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/20170304-DifficultPathPrograms/seq.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 13:20:55,272 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 13:20:55,274 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 13:20:55,293 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 13:20:55,294 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 13:20:55,295 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 13:20:55,297 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 13:20:55,299 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 13:20:55,301 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 13:20:55,302 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 13:20:55,303 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 13:20:55,303 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 13:20:55,304 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 13:20:55,305 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 13:20:55,306 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 13:20:55,307 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 13:20:55,308 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 13:20:55,310 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 13:20:55,312 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 13:20:55,313 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 13:20:55,315 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 13:20:55,316 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 13:20:55,319 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 13:20:55,319 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 13:20:55,319 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 13:20:55,320 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 13:20:55,321 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 13:20:55,322 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 13:20:55,323 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 13:20:55,324 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 13:20:55,324 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 13:20:55,325 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 13:20:55,325 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 13:20:55,325 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 13:20:55,326 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 13:20:55,327 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 13:20:55,328 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 13:20:55,343 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 13:20:55,343 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 13:20:55,344 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 13:20:55,344 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 13:20:55,345 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 13:20:55,345 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 13:20:55,345 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 13:20:55,346 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 13:20:55,346 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 13:20:55,346 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 13:20:55,346 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 13:20:55,346 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 13:20:55,347 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 13:20:55,347 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 13:20:55,347 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 13:20:55,347 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 13:20:55,348 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 13:20:55,348 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 13:20:55,348 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 13:20:55,348 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-02 13:20:55,348 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 13:20:55,349 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 13:20:55,349 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 13:20:55,349 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 13:20:55,349 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 13:20:55,349 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 13:20:55,350 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 13:20:55,350 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 13:20:55,350 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 13:20:55,350 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 13:20:55,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 13:20:55,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 13:20:55,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 13:20:55,441 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 13:20:55,441 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 13:20:55,442 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl [2018-10-02 13:20:55,442 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl' [2018-10-02 13:20:55,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 13:20:55,519 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 13:20:55,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 13:20:55,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 13:20:55,521 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 13:20:55,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:20:55" (1/1) ... [2018-10-02 13:20:55,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:20:55" (1/1) ... [2018-10-02 13:20:55,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 13:20:55,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 13:20:55,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 13:20:55,563 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 13:20:55,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:20:55" (1/1) ... [2018-10-02 13:20:55,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:20:55" (1/1) ... [2018-10-02 13:20:55,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:20:55" (1/1) ... [2018-10-02 13:20:55,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:20:55" (1/1) ... [2018-10-02 13:20:55,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:20:55" (1/1) ... [2018-10-02 13:20:55,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:20:55" (1/1) ... [2018-10-02 13:20:55,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:20:55" (1/1) ... [2018-10-02 13:20:55,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 13:20:55,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 13:20:55,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 13:20:55,597 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 13:20:55,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:20:55" (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 13:20:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-02 13:20:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-02 13:20:55,982 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-02 13:20:55,983 INFO L202 PluginConnector]: Adding new model seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:20:55 BoogieIcfgContainer [2018-10-02 13:20:55,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 13:20:55,983 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 13:20:55,984 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 13:20:55,996 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 13:20:55,996 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:20:55" (1/1) ... [2018-10-02 13:20:56,010 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 13:20:56,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:20:56,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-02 13:20:56,055 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-02 13:20:56,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 13:20:56,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:20:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:20:56,354 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 13:20:56,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:20:56,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-02 13:20:56,962 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-02 13:20:56,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 13:20:56,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:20:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:20:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:20:58,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:20:58,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-10-02 13:20:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-10-02 13:20:58,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 13:20:58,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:20:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:20:58,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:20:59,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:20:59,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-10-02 13:20:59,896 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-10-02 13:20:59,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 13:20:59,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:20:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:00,073 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:01,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:01,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-10-02 13:21:01,857 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-10-02 13:21:01,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 13:21:01,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:03,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:03,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-10-02 13:21:03,406 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-10-02 13:21:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 13:21:03,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:03,527 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:04,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:04,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-10-02 13:21:04,855 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-10-02 13:21:04,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 13:21:04,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-10-02 13:21:06,311 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-10-02 13:21:06,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 13:21:06,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:06,441 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:07,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:07,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-10-02 13:21:07,587 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-10-02 13:21:07,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-02 13:21:07,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:07,758 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:09,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:09,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-10-02 13:21:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-10-02 13:21:09,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-02 13:21:09,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:09,228 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:10,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-10-02 13:21:10,371 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-10-02 13:21:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-02 13:21:10,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:10,597 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:12,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-10-02 13:21:12,049 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-10-02 13:21:12,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-02 13:21:12,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:12,226 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-10-02 13:21:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-10-02 13:21:13,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 13:21:13,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:14,137 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:16,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:16,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-10-02 13:21:16,969 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-10-02 13:21:16,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 13:21:16,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:21,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:21,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-10-02 13:21:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-10-02 13:21:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-02 13:21:21,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:21,986 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-10-02 13:21:24,416 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-10-02 13:21:24,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-02 13:21:24,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:26,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:26,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-10-02 13:21:26,697 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-10-02 13:21:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-02 13:21:26,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:29,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:29,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-10-02 13:21:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-10-02 13:21:29,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-02 13:21:29,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:29,999 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:32,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-10-02 13:21:32,302 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-10-02 13:21:32,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-02 13:21:32,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:35,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:35,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-10-02 13:21:35,737 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-10-02 13:21:35,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-02 13:21:35,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:35,975 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-10-02 13:21:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-10-02 13:21:38,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-02 13:21:38,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:39,011 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:41,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-10-02 13:21:41,563 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-10-02 13:21:41,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 13:21:41,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:45,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:45,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-10-02 13:21:45,092 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-10-02 13:21:45,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-02 13:21:45,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:45,630 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:48,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-10-02 13:21:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-10-02 13:21:48,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-02 13:21:48,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:49,196 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:53,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:53,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-10-02 13:21:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-10-02 13:21:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-02 13:21:53,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:57,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-10-02 13:21:57,750 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-10-02 13:21:57,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-02 13:21:57,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:58,729 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:02,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-10-02 13:22:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-10-02 13:22:02,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-02 13:22:02,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:03,046 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:06,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-10-02 13:22:06,884 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-10-02 13:22:06,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-02 13:22:06,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:07,141 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-10-02 13:22:11,406 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-10-02 13:22:11,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-02 13:22:11,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:12,127 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:16,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-10-02 13:22:16,334 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-10-02 13:22:16,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-02 13:22:16,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:16,626 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:21,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:21,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-10-02 13:22:21,296 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-10-02 13:22:21,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-02 13:22:21,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:21,853 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:26,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:26,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-10-02 13:22:26,528 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-10-02 13:22:26,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-02 13:22:26,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:27,378 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:32,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-10-02 13:22:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-10-02 13:22:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-02 13:22:32,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:38,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:38,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-10-02 13:22:38,489 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-10-02 13:22:38,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-02 13:22:38,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:38,927 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:44,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-10-02 13:22:44,658 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-10-02 13:22:44,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-02 13:22:44,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:45,542 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:51,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:51,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-10-02 13:22:51,451 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-10-02 13:22:51,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-02 13:22:51,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:58,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:58,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-10-02 13:22:58,278 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-10-02 13:22:58,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-02 13:22:58,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:59,120 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:05,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:05,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-10-02 13:23:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-10-02 13:23:05,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-02 13:23:05,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:13,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-10-02 13:23:13,015 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-10-02 13:23:13,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-02 13:23:13,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:24,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:24,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-10-02 13:23:24,181 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-10-02 13:23:24,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-02 13:23:24,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:24,570 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:32,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:32,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-10-02 13:23:32,772 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-10-02 13:23:32,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-02 13:23:32,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:33,822 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-10-02 13:23:42,419 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-10-02 13:23:42,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-02 13:23:42,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:42,922 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:52,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:52,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-10-02 13:23:52,219 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-10-02 13:23:52,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-02 13:23:52,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:53,112 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:01,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:01,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-10-02 13:24:01,844 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-10-02 13:24:01,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-02 13:24:01,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:02,798 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:12,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:12,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-10-02 13:24:12,322 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-10-02 13:24:12,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-02 13:24:12,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:22,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-10-02 13:24:22,881 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-10-02 13:24:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-02 13:24:22,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:34,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-10-02 13:24:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-10-02 13:24:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-02 13:24:34,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:35,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:45,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:45,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-10-02 13:24:45,872 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-10-02 13:24:45,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-02 13:24:45,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:46,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-10-02 13:24:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-10-02 13:24:58,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-02 13:24:58,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-10-02 13:25:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-10-02 13:25:11,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-02 13:25:11,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:12,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown