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.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:05:37,365 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:05:37,367 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:05:37,379 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:05:37,379 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:05:37,380 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:05:37,382 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:05:37,383 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:05:37,385 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:05:37,386 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:05:37,387 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:05:37,387 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:05:37,388 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:05:37,389 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:05:37,390 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:05:37,391 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:05:37,392 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:05:37,394 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:05:37,396 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:05:37,397 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:05:37,399 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:05:37,400 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:05:37,402 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:05:37,403 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:05:37,403 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:05:37,404 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:05:37,405 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:05:37,406 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:05:37,407 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:05:37,408 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:05:37,408 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:05:37,409 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:05:37,409 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:05:37,409 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:05:37,410 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:05:37,411 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:05:37,411 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-30 21:05:37,445 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:05:37,446 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:05:37,447 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:05:37,447 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:05:37,448 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:05:37,448 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:05:37,449 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:05:37,449 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:05:37,449 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:05:37,449 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:05:37,450 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:05:37,451 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:05:37,451 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:05:37,451 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:05:37,451 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:05:37,451 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:05:37,451 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:05:37,452 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:05:37,452 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:05:37,452 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:05:37,452 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:05:37,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:05:37,454 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:05:37,454 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:05:37,454 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:05:37,454 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:05:37,454 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:05:37,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:05:37,455 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:05:37,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:05:37,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:05:37,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:05:37,521 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:05:37,522 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:05:37,523 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-09-30 21:05:37,523 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2018-09-30 21:05:37,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:05:37,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:05:37,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:05:37,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:05:37,580 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:05:37,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:05:37" (1/1) ... [2018-09-30 21:05:37,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:05:37" (1/1) ... [2018-09-30 21:05:37,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:05:37,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:05:37,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:05:37,622 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:05:37,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:05:37" (1/1) ... [2018-09-30 21:05:37,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:05:37" (1/1) ... [2018-09-30 21:05:37,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:05:37" (1/1) ... [2018-09-30 21:05:37,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:05:37" (1/1) ... [2018-09-30 21:05:37,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:05:37" (1/1) ... [2018-09-30 21:05:37,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:05:37" (1/1) ... [2018-09-30 21:05:37,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:05:37" (1/1) ... [2018-09-30 21:05:37,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:05:37,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:05:37,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:05:37,643 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:05:37,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:05:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:05:37,726 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-30 21:05:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:05:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:05:37,938 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:05:37,938 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:05:37 BoogieIcfgContainer [2018-09-30 21:05:37,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:05:37,939 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:05:37,939 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:05:37,951 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:05:37,952 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:05:37" (1/1) ... [2018-09-30 21:05:37,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 21:05:37,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:38,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-09-30 21:05:38,007 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-09-30 21:05:38,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 21:05:38,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:38,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:38,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:38,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-09-30 21:05:38,369 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-09-30 21:05:38,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:05:38,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:38,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:38,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:38,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-09-30 21:05:38,545 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-30 21:05:38,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:05:38,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:38,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:38,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-09-30 21:05:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-09-30 21:05:38,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:05:38,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 21:05:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:39,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-09-30 21:05:39,934 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-09-30 21:05:39,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:05:39,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-30 21:05:40,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:40,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-09-30 21:05:40,214 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-09-30 21:05:40,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:05:40,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:40,288 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-30 21:05:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:40,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-09-30 21:05:40,532 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-09-30 21:05:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:05:40,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:40,628 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-09-30 21:05:41,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:41,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-09-30 21:05:41,328 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-09-30 21:05:41,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:05:41,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:41,355 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-09-30 21:05:41,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:41,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-09-30 21:05:41,770 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-09-30 21:05:41,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:05:41,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-09-30 21:05:41,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:41,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-09-30 21:05:41,985 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-09-30 21:05:41,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 21:05:41,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-09-30 21:05:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:42,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-09-30 21:05:42,141 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-09-30 21:05:42,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:05:42,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-09-30 21:05:42,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:42,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-09-30 21:05:42,409 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-09-30 21:05:42,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 21:05:42,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-09-30 21:05:43,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:43,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-09-30 21:05:43,442 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-09-30 21:05:43,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 21:05:43,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:43,542 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-09-30 21:05:43,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2018-09-30 21:05:43,709 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-09-30 21:05:43,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:05:43,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-09-30 21:05:45,173 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-30 21:05:45,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:45,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-09-30 21:05:45,463 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-09-30 21:05:45,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 21:05:45,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-09-30 21:05:46,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:46,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2018-09-30 21:05:46,886 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2018-09-30 21:05:46,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:05:46,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 176 proven. 10 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-09-30 21:05:47,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:47,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2018-09-30 21:05:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-09-30 21:05:47,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 21:05:47,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:47,225 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 194 proven. 15 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-09-30 21:05:47,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:47,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-09-30 21:05:47,430 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-09-30 21:05:47,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:05:47,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:47,465 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 212 proven. 21 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-09-30 21:05:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2018-09-30 21:05:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-09-30 21:05:47,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 21:05:47,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-09-30 21:05:49,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:49,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2018-09-30 21:05:49,001 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-09-30 21:05:49,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 21:05:49,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:49,091 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 394 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-09-30 21:05:50,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:50,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2018-09-30 21:05:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2018-09-30 21:05:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 21:05:50,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 407 proven. 10 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-09-30 21:05:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2018-09-30 21:05:50,809 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-09-30 21:05:50,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:05:50,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 438 proven. 15 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-09-30 21:05:51,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:51,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2018-09-30 21:05:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2018-09-30 21:05:51,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:05:51,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 469 proven. 21 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-09-30 21:05:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:51,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2018-09-30 21:05:51,691 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2018-09-30 21:05:51,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:05:51,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 422 proven. 10 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-30 21:05:52,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2018-09-30 21:05:52,032 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-09-30 21:05:52,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:05:52,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:52,056 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 456 proven. 15 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-30 21:05:52,473 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-30 21:05:52,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:52,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2018-09-30 21:05:52,801 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-09-30 21:05:52,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:05:52,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:52,826 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 490 proven. 21 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-30 21:05:53,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:53,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2018-09-30 21:05:53,107 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2018-09-30 21:05:53,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:05:53,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:53,129 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 355 proven. 10 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-30 21:05:53,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:53,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2018-09-30 21:05:53,465 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-09-30 21:05:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:05:53,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:53,487 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 392 proven. 15 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-30 21:05:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:53,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2018-09-30 21:05:53,743 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2018-09-30 21:05:53,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 21:05:53,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:53,767 INFO L134 CoverageAnalysis]: Checked inductivity of 967 backedges. 429 proven. 21 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-30 21:05:54,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:54,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2018-09-30 21:05:54,111 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-09-30 21:05:54,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:05:54,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:54,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 206 proven. 10 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-09-30 21:05:54,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:54,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2018-09-30 21:05:54,420 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2018-09-30 21:05:54,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-30 21:05:54,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:54,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 246 proven. 15 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-09-30 21:05:54,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:54,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2018-09-30 21:05:54,800 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-09-30 21:05:54,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:05:54,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:54,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 286 proven. 21 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-09-30 21:05:55,322 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-09-30 21:05:55,840 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 7 [2018-09-30 21:05:56,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:56,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2018-09-30 21:05:56,446 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2018-09-30 21:05:56,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 21:05:56,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:56,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 0 proven. 981 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-09-30 21:05:58,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:58,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2018-09-30 21:05:58,827 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2018-09-30 21:05:58,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 21:05:58,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 391 proven. 28 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2018-09-30 21:05:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2018-09-30 21:05:59,262 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2018-09-30 21:05:59,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-30 21:05:59,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:59,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 764 proven. 28 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2018-09-30 21:05:59,728 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-30 21:05:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:59,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2018-09-30 21:05:59,969 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2018-09-30 21:05:59,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 21:05:59,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:00,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 991 proven. 28 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2018-09-30 21:06:00,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:00,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2018-09-30 21:06:00,393 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2018-09-30 21:06:00,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-30 21:06:00,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 1072 proven. 28 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2018-09-30 21:06:00,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:00,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2018-09-30 21:06:00,913 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2018-09-30 21:06:00,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 21:06:00,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:00,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 1007 proven. 28 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2018-09-30 21:06:01,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:01,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2018-09-30 21:06:01,536 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2018-09-30 21:06:01,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-30 21:06:01,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:01,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1858 backedges. 796 proven. 28 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-09-30 21:06:01,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2018-09-30 21:06:01,862 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2018-09-30 21:06:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 21:06:01,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:02,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 1675 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-09-30 21:06:04,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:04,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2018-09-30 21:06:04,988 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-09-30 21:06:04,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-30 21:06:04,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:05,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 942 proven. 28 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2018-09-30 21:06:05,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:05,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2018-09-30 21:06:05,398 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2018-09-30 21:06:05,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 21:06:05,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:05,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 512 proven. 28 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-09-30 21:06:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:06,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2018-09-30 21:06:06,778 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2018-09-30 21:06:06,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-30 21:06:06,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:07,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 575 proven. 36 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-09-30 21:06:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:08,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2018-09-30 21:06:08,132 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-09-30 21:06:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 21:06:08,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 638 proven. 45 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-09-30 21:06:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2018-09-30 21:06:08,727 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2018-09-30 21:06:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-30 21:06:08,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:08,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2737 backedges. 1193 proven. 36 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-09-30 21:06:09,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2018-09-30 21:06:09,150 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2018-09-30 21:06:09,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 21:06:09,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2811 backedges. 1258 proven. 45 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-09-30 21:06:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 88 states and 95 transitions. [2018-09-30 21:06:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2018-09-30 21:06:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-30 21:06:09,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:09,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2886 backedges. 1611 proven. 36 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-09-30 21:06:10,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:10,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2018-09-30 21:06:10,237 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2018-09-30 21:06:10,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 21:06:10,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:10,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 1678 proven. 45 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-09-30 21:06:10,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2018-09-30 21:06:10,838 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2018-09-30 21:06:10,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-30 21:06:10,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:10,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3039 backedges. 1829 proven. 36 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-09-30 21:06:11,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:11,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2018-09-30 21:06:11,323 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2018-09-30 21:06:11,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 21:06:11,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:11,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3117 backedges. 1898 proven. 45 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-09-30 21:06:12,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:12,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 92 states and 97 transitions. [2018-09-30 21:06:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-09-30 21:06:12,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-30 21:06:12,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:12,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 2832 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-09-30 21:06:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:15,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2018-09-30 21:06:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2018-09-30 21:06:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-30 21:06:15,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 0 proven. 3561 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2018-09-30 21:06:17,043 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 7 [2018-09-30 21:06:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:24,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2018-09-30 21:06:24,618 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2018-09-30 21:06:24,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-30 21:06:24,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4808 backedges. 0 proven. 4372 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2018-09-30 21:06:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:28,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 122 states and 130 transitions. [2018-09-30 21:06:28,598 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2018-09-30 21:06:28,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-09-30 21:06:28,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:29,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5737 backedges. 0 proven. 5265 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2018-09-30 21:06:32,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:32,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2018-09-30 21:06:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2018-09-30 21:06:32,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-30 21:06:32,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:32,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6748 backedges. 3775 proven. 36 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-09-30 21:06:33,536 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-30 21:06:34,142 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-09-30 21:06:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 133 states and 142 transitions. [2018-09-30 21:06:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 142 transitions. [2018-09-30 21:06:34,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-30 21:06:34,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:34,475 INFO L134 CoverageAnalysis]: Checked inductivity of 6864 backedges. 3882 proven. 45 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-09-30 21:06:34,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:34,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 134 states and 142 transitions. [2018-09-30 21:06:34,887 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2018-09-30 21:06:34,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-09-30 21:06:34,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 6981 backedges. 3993 proven. 36 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-09-30 21:06:35,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:35,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 135 states and 143 transitions. [2018-09-30 21:06:35,450 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2018-09-30 21:06:35,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-30 21:06:35,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:35,486 INFO L134 CoverageAnalysis]: Checked inductivity of 7099 backedges. 4102 proven. 45 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-09-30 21:06:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 136 states and 143 transitions. [2018-09-30 21:06:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 143 transitions. [2018-09-30 21:06:35,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-30 21:06:35,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 7218 backedges. 4011 proven. 36 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-09-30 21:06:36,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:36,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 137 states and 144 transitions. [2018-09-30 21:06:36,469 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions. [2018-09-30 21:06:36,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-30 21:06:36,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:36,501 INFO L134 CoverageAnalysis]: Checked inductivity of 7338 backedges. 4122 proven. 45 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-09-30 21:06:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 138 states and 144 transitions. [2018-09-30 21:06:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2018-09-30 21:06:37,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-09-30 21:06:37,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:37,198 INFO L134 CoverageAnalysis]: Checked inductivity of 7459 backedges. 3829 proven. 36 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-09-30 21:06:37,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:37,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 139 states and 145 transitions. [2018-09-30 21:06:37,722 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2018-09-30 21:06:37,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-30 21:06:37,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 7581 backedges. 3942 proven. 45 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-09-30 21:06:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 140 states and 145 transitions. [2018-09-30 21:06:38,137 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2018-09-30 21:06:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-30 21:06:38,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:38,170 INFO L134 CoverageAnalysis]: Checked inductivity of 7704 backedges. 3447 proven. 36 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-09-30 21:06:38,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:38,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 141 states and 146 transitions. [2018-09-30 21:06:38,685 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2018-09-30 21:06:38,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-30 21:06:38,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:38,721 INFO L134 CoverageAnalysis]: Checked inductivity of 7828 backedges. 3562 proven. 45 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-09-30 21:06:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:39,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 142 states and 146 transitions. [2018-09-30 21:06:39,257 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2018-09-30 21:06:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-09-30 21:06:39,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:39,287 INFO L134 CoverageAnalysis]: Checked inductivity of 7953 backedges. 2865 proven. 36 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-09-30 21:06:39,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:39,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 143 states and 147 transitions. [2018-09-30 21:06:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2018-09-30 21:06:39,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-09-30 21:06:39,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:39,735 INFO L134 CoverageAnalysis]: Checked inductivity of 8079 backedges. 2982 proven. 45 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-09-30 21:06:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:40,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 144 states and 147 transitions. [2018-09-30 21:06:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 147 transitions. [2018-09-30 21:06:40,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-09-30 21:06:40,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:40,397 INFO L134 CoverageAnalysis]: Checked inductivity of 8206 backedges. 2083 proven. 36 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-09-30 21:06:40,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:40,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 145 states and 148 transitions. [2018-09-30 21:06:40,838 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 148 transitions. [2018-09-30 21:06:40,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-30 21:06:40,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 8334 backedges. 2202 proven. 45 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-09-30 21:06:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 146 states and 148 transitions. [2018-09-30 21:06:41,475 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2018-09-30 21:06:41,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-30 21:06:41,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 8463 backedges. 1101 proven. 36 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-09-30 21:06:41,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 147 states and 149 transitions. [2018-09-30 21:06:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 149 transitions. [2018-09-30 21:06:41,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-30 21:06:41,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 8593 backedges. 1222 proven. 45 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-09-30 21:06:42,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 148 states and 149 transitions. [2018-09-30 21:06:42,677 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 149 transitions. [2018-09-30 21:06:42,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-30 21:06:42,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:43,035 INFO L134 CoverageAnalysis]: Checked inductivity of 8724 backedges. 0 proven. 8064 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2018-09-30 21:06:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 160 states and 161 transitions. [2018-09-30 21:06:48,337 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 161 transitions. [2018-09-30 21:06:48,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-09-30 21:06:48,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 10244 backedges. 0 proven. 9529 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-09-30 21:06:54,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:06:54,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 172 states and 173 transitions. [2018-09-30 21:06:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 173 transitions. [2018-09-30 21:06:54,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-09-30 21:06:54,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:06:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:06:54,643 INFO L134 CoverageAnalysis]: Checked inductivity of 11886 backedges. 0 proven. 11116 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2018-09-30 21:07:00,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:07:00,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 184 states and 185 transitions. [2018-09-30 21:07:00,640 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 185 transitions. [2018-09-30 21:07:00,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-09-30 21:07:00,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:07:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:07:00,951 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 12825 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2018-09-30 21:07:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:07:07,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 196 states and 197 transitions. [2018-09-30 21:07:07,347 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 197 transitions. [2018-09-30 21:07:07,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-09-30 21:07:07,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:07:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:07:07,905 INFO L134 CoverageAnalysis]: Checked inductivity of 15536 backedges. 0 proven. 14656 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2018-09-30 21:07:14,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:07:14,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 208 states and 209 transitions. [2018-09-30 21:07:14,796 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2018-09-30 21:07:14,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-09-30 21:07:14,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:07:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:07:15,629 INFO L134 CoverageAnalysis]: Checked inductivity of 17544 backedges. 0 proven. 16609 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2018-09-30 21:07:22,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:07:22,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 220 states and 221 transitions. [2018-09-30 21:07:22,986 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 221 transitions. [2018-09-30 21:07:22,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-09-30 21:07:22,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:07:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:07:24,149 INFO L134 CoverageAnalysis]: Checked inductivity of 19674 backedges. 0 proven. 18684 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-09-30 21:07:31,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:07:31,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 232 states and 233 transitions. [2018-09-30 21:07:31,758 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 233 transitions. [2018-09-30 21:07:31,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-09-30 21:07:31,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:07:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:07:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 21926 backedges. 0 proven. 20881 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-09-30 21:07:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:07:40,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 244 states and 245 transitions. [2018-09-30 21:07:40,623 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 245 transitions. [2018-09-30 21:07:40,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-09-30 21:07:40,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:07:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:07:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 24300 backedges. 0 proven. 23200 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2018-09-30 21:07:43,216 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-30 21:07:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:07:49,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 256 states and 257 transitions. [2018-09-30 21:07:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 257 transitions. [2018-09-30 21:07:49,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-09-30 21:07:49,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:07:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:07:50,237 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 25641 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2018-09-30 21:07:59,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:07:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 268 states and 269 transitions. [2018-09-30 21:07:59,376 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 269 transitions. [2018-09-30 21:07:59,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-09-30 21:07:59,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:07:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:07:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 29414 backedges. 0 proven. 28204 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2018-09-30 21:08:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:08:09,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 280 states and 281 transitions. [2018-09-30 21:08:09,058 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 281 transitions. [2018-09-30 21:08:09,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-09-30 21:08:09,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:08:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:08:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 32154 backedges. 0 proven. 30889 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2018-09-30 21:08:19,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:08:19,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 292 states and 293 transitions. [2018-09-30 21:08:19,732 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 293 transitions. [2018-09-30 21:08:19,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-09-30 21:08:19,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:08:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:08:20,283 INFO L134 CoverageAnalysis]: Checked inductivity of 35016 backedges. 0 proven. 33696 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2018-09-30 21:08:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:08:30,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 304 states and 305 transitions. [2018-09-30 21:08:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 305 transitions. [2018-09-30 21:08:30,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-09-30 21:08:30,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:08:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:08:31,316 INFO L134 CoverageAnalysis]: Checked inductivity of 38000 backedges. 0 proven. 36625 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. [2018-09-30 21:08:41,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:08:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 316 states and 317 transitions. [2018-09-30 21:08:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 317 transitions. [2018-09-30 21:08:41,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-09-30 21:08:41,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:08:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:08:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 41106 backedges. 0 proven. 39676 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2018-09-30 21:08:54,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:08:54,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 328 states and 329 transitions. [2018-09-30 21:08:54,161 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 329 transitions. [2018-09-30 21:08:54,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-09-30 21:08:54,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:08:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:08:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 44334 backedges. 0 proven. 42849 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2018-09-30 21:09:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:09:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 340 states and 341 transitions. [2018-09-30 21:09:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 341 transitions. [2018-09-30 21:09:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-09-30 21:09:06,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:09:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:09:07,819 INFO L134 CoverageAnalysis]: Checked inductivity of 47684 backedges. 0 proven. 46144 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2018-09-30 21:09:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:09:19,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 352 states and 353 transitions. [2018-09-30 21:09:19,623 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 353 transitions. [2018-09-30 21:09:19,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-09-30 21:09:19,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:09:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:09:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 51156 backedges. 0 proven. 49561 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2018-09-30 21:09:32,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:09:32,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 364 states and 365 transitions. [2018-09-30 21:09:32,748 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 365 transitions. [2018-09-30 21:09:32,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-09-30 21:09:32,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:09:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:09:33,449 INFO L134 CoverageAnalysis]: Checked inductivity of 54750 backedges. 0 proven. 53100 refuted. 0 times theorem prover too weak. 1650 trivial. 0 not checked. Received shutdown request... [2018-09-30 21:09:35,163 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:09:35,165 INFO L168 Benchmark]: Toolchain (without parser) took 237589.68 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 104.5 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-09-30 21:09:35,166 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:09:35,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:09:35,167 INFO L168 Benchmark]: Boogie Preprocessor took 20.68 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:09:35,168 INFO L168 Benchmark]: RCFGBuilder took 295.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:09:35,168 INFO L168 Benchmark]: CodeCheck took 237225.46 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 83.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-09-30 21:09:35,172 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1457 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.68 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 295.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 237225.46 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 83.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-09-35-183.csv Completed graceful shutdown