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/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 03:17:40,361 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 03:17:40,363 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 03:17:40,374 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 03:17:40,375 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 03:17:40,376 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 03:17:40,377 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 03:17:40,379 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 03:17:40,381 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 03:17:40,381 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 03:17:40,383 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 03:17:40,385 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 03:17:40,386 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 03:17:40,389 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 03:17:40,394 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 03:17:40,395 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 03:17:40,396 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 03:17:40,401 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 03:17:40,405 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 03:17:40,409 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 03:17:40,410 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 03:17:40,411 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 03:17:40,413 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 03:17:40,414 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 03:17:40,414 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 03:17:40,415 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 03:17:40,415 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 03:17:40,416 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 03:17:40,417 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 03:17:40,418 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 03:17:40,418 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 03:17:40,419 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 03:17:40,419 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 03:17:40,419 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 03:17:40,420 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 03:17:40,421 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 03:17:40,421 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 [2018-10-01 03:17:40,442 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 03:17:40,443 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 03:17:40,444 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 03:17:40,444 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 03:17:40,445 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 03:17:40,445 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 03:17:40,446 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 03:17:40,446 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 03:17:40,446 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 03:17:40,446 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 03:17:40,446 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 03:17:40,447 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 03:17:40,447 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 03:17:40,447 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 03:17:40,447 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 03:17:40,447 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 03:17:40,447 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 03:17:40,448 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 03:17:40,448 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 03:17:40,448 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 03:17:40,448 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 03:17:40,448 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 03:17:40,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 03:17:40,449 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 03:17:40,449 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 03:17:40,449 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 03:17:40,449 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 03:17:40,450 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 03:17:40,450 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 03:17:40,450 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 03:17:40,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 03:17:40,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 03:17:40,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 03:17:40,541 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 03:17:40,542 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 03:17:40,543 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-10-01 03:17:40,544 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl' [2018-10-01 03:17:40,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 03:17:40,607 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 03:17:40,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 03:17:40,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 03:17:40,609 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 03:17:40,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:17:40" (1/1) ... [2018-10-01 03:17:40,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:17:40" (1/1) ... [2018-10-01 03:17:40,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 03:17:40,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 03:17:40,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 03:17:40,647 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 03:17:40,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:17:40" (1/1) ... [2018-10-01 03:17:40,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:17:40" (1/1) ... [2018-10-01 03:17:40,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:17:40" (1/1) ... [2018-10-01 03:17:40,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:17:40" (1/1) ... [2018-10-01 03:17:40,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:17:40" (1/1) ... [2018-10-01 03:17:40,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:17:40" (1/1) ... [2018-10-01 03:17:40,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:17:40" (1/1) ... [2018-10-01 03:17:40,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 03:17:40,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 03:17:40,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 03:17:40,667 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 03:17:40,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:17:40" (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 [2018-10-01 03:17:40,735 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-01 03:17:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-01 03:17:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-01 03:17:41,143 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-01 03:17:41,144 INFO L202 PluginConnector]: Adding new model down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:17:41 BoogieIcfgContainer [2018-10-01 03:17:41,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 03:17:41,145 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 03:17:41,145 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 03:17:41,157 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 03:17:41,157 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:17:41" (1/1) ... [2018-10-01 03:17:41,171 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 03:17:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-01 03:17:41,214 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-01 03:17:41,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 03:17:41,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:41,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:41,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:41,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 8 states and 12 transitions. [2018-10-01 03:17:41,990 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 12 transitions. [2018-10-01 03:17:41,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 03:17:41,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:43,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:43,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-10-01 03:17:43,535 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-10-01 03:17:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 03:17:43,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:43,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:44,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:44,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-10-01 03:17:44,320 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-10-01 03:17:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 03:17:44,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:44,425 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-10-01 03:17:45,471 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-10-01 03:17:45,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 03:17:45,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:45,584 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:46,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:46,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2018-10-01 03:17:46,761 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2018-10-01 03:17:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:17:46,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:48,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:48,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2018-10-01 03:17:48,242 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2018-10-01 03:17:48,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:17:48,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:49,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:49,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2018-10-01 03:17:49,717 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2018-10-01 03:17:49,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:17:49,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:49,829 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:51,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 50 transitions. [2018-10-01 03:17:51,016 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 50 transitions. [2018-10-01 03:17:51,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 03:17:51,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:51,154 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:52,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 28 states and 60 transitions. [2018-10-01 03:17:52,246 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 60 transitions. [2018-10-01 03:17:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:17:52,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:53,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:53,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2018-10-01 03:17:53,557 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2018-10-01 03:17:53,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 03:17:53,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:54,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:54,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 74 transitions. [2018-10-01 03:17:54,873 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 74 transitions. [2018-10-01 03:17:54,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 03:17:54,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:55,026 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 35 states and 77 transitions. [2018-10-01 03:17:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 77 transitions. [2018-10-01 03:17:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-01 03:17:56,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:56,726 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:58,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:58,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 38 states and 89 transitions. [2018-10-01 03:17:58,149 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 89 transitions. [2018-10-01 03:17:58,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 03:17:58,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:58,392 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:59,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:59,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 40 states and 92 transitions. [2018-10-01 03:17:59,838 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 92 transitions. [2018-10-01 03:17:59,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 03:17:59,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:00,057 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 56 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:03,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:03,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 43 states and 105 transitions. [2018-10-01 03:18:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 105 transitions. [2018-10-01 03:18:03,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-01 03:18:03,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:03,305 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 36 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 45 states and 108 transitions. [2018-10-01 03:18:05,601 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 108 transitions. [2018-10-01 03:18:05,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-01 03:18:05,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:05,796 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 72 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:07,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:07,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 48 states and 122 transitions. [2018-10-01 03:18:07,932 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 122 transitions. [2018-10-01 03:18:07,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 03:18:07,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:08,385 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:10,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:10,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 50 states and 125 transitions. [2018-10-01 03:18:10,192 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 125 transitions. [2018-10-01 03:18:10,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 03:18:10,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 90 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:12,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 53 states and 140 transitions. [2018-10-01 03:18:12,675 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 140 transitions. [2018-10-01 03:18:12,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-01 03:18:12,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:13,722 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 55 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:15,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:15,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 55 states and 143 transitions. [2018-10-01 03:18:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 143 transitions. [2018-10-01 03:18:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-01 03:18:15,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:16,206 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 110 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:18,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:18,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 58 states and 159 transitions. [2018-10-01 03:18:18,607 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 159 transitions. [2018-10-01 03:18:18,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 03:18:18,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:18,816 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 66 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:21,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:21,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 60 states and 162 transitions. [2018-10-01 03:18:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 162 transitions. [2018-10-01 03:18:21,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 03:18:21,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:22,288 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:24,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:24,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 63 states and 179 transitions. [2018-10-01 03:18:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 179 transitions. [2018-10-01 03:18:24,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-01 03:18:24,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:25,108 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 78 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:27,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:27,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 65 states and 182 transitions. [2018-10-01 03:18:27,791 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 182 transitions. [2018-10-01 03:18:27,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-01 03:18:27,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 156 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:30,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:30,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 68 states and 200 transitions. [2018-10-01 03:18:30,989 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 200 transitions. [2018-10-01 03:18:30,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 03:18:30,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 91 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:34,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:34,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 70 states and 203 transitions. [2018-10-01 03:18:34,224 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 203 transitions. [2018-10-01 03:18:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 03:18:34,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 182 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:38,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 73 states and 222 transitions. [2018-10-01 03:18:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 222 transitions. [2018-10-01 03:18:38,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-01 03:18:38,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 105 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:41,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:41,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 75 states and 225 transitions. [2018-10-01 03:18:41,588 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 225 transitions. [2018-10-01 03:18:41,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 03:18:41,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:41,880 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 210 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:45,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:45,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 78 states and 245 transitions. [2018-10-01 03:18:45,434 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 245 transitions. [2018-10-01 03:18:45,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 03:18:45,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 120 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:49,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 80 states and 248 transitions. [2018-10-01 03:18:49,326 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 248 transitions. [2018-10-01 03:18:49,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:18:49,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:50,149 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 240 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:54,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 83 states and 269 transitions. [2018-10-01 03:18:54,166 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 269 transitions. [2018-10-01 03:18:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 03:18:54,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:54,454 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 136 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:18:58,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:18:58,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 85 states and 272 transitions. [2018-10-01 03:18:58,422 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 272 transitions. [2018-10-01 03:18:58,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 03:18:58,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:18:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:18:58,771 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 272 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:19:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:19:03,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 88 states and 294 transitions. [2018-10-01 03:19:03,175 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 294 transitions. [2018-10-01 03:19:03,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:19:03,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:19:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:19:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 153 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:19:08,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:19:08,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 90 states and 297 transitions. [2018-10-01 03:19:08,482 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 297 transitions. [2018-10-01 03:19:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:19:08,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:19:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:19:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 306 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:19:13,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:19:13,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 93 states and 320 transitions. [2018-10-01 03:19:13,744 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 320 transitions. [2018-10-01 03:19:13,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 03:19:13,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:19:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:19:14,116 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 171 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:19:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:19:18,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 95 states and 323 transitions. [2018-10-01 03:19:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 323 transitions. [2018-10-01 03:19:18,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 03:19:18,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:19:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:19:19,276 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 342 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:19:24,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:19:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 98 states and 347 transitions. [2018-10-01 03:19:24,496 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 347 transitions. [2018-10-01 03:19:24,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:19:24,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:19:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:19:24,862 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 190 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:19:30,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:19:30,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 100 states and 350 transitions. [2018-10-01 03:19:30,063 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 350 transitions. [2018-10-01 03:19:30,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 03:19:30,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:19:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:19:30,533 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 380 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:19:36,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:19:36,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 103 states and 375 transitions. [2018-10-01 03:19:36,307 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 375 transitions. [2018-10-01 03:19:36,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-01 03:19:36,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:19:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:19:36,719 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 210 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:19:50,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:19:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 105 states and 378 transitions. [2018-10-01 03:19:50,111 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 378 transitions. [2018-10-01 03:19:50,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-01 03:19:50,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:19:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:19:50,488 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 420 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:19:56,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:19:56,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 108 states and 404 transitions. [2018-10-01 03:19:56,765 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 404 transitions. [2018-10-01 03:19:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 03:19:56,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:19:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:19:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 231 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:20:03,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:20:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 110 states and 407 transitions. [2018-10-01 03:20:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 407 transitions. [2018-10-01 03:20:03,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 03:20:03,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:20:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:20:04,188 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 462 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:20:10,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:20:10,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 113 states and 434 transitions. [2018-10-01 03:20:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 434 transitions. [2018-10-01 03:20:10,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-01 03:20:10,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:20:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:20:11,374 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 253 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:20:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:20:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 115 states and 437 transitions. [2018-10-01 03:20:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 437 transitions. [2018-10-01 03:20:18,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-01 03:20:18,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:20:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:20:18,857 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 506 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:20:26,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:20:26,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 118 states and 465 transitions. [2018-10-01 03:20:26,469 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 465 transitions. [2018-10-01 03:20:26,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 03:20:26,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:20:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:20:27,070 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 276 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:20:34,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:20:34,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 120 states and 468 transitions. [2018-10-01 03:20:34,588 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 468 transitions. [2018-10-01 03:20:34,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 03:20:34,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:20:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:20:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 552 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:20:43,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:20:43,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 123 states and 497 transitions. [2018-10-01 03:20:43,489 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 497 transitions. [2018-10-01 03:20:43,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-01 03:20:43,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:20:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:20:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 300 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:20:52,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:20:52,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 125 states and 500 transitions. [2018-10-01 03:20:52,422 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 500 transitions. [2018-10-01 03:20:52,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-01 03:20:52,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:20:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:20:53,592 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 600 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:21:02,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:21:02,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 128 states and 530 transitions. [2018-10-01 03:21:02,364 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 530 transitions. [2018-10-01 03:21:02,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 03:21:02,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:21:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:21:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 325 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:21:12,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:21:12,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 130 states and 533 transitions. [2018-10-01 03:21:12,094 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 533 transitions. [2018-10-01 03:21:12,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 03:21:12,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:21:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:21:12,666 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 650 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:21:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:21:22,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 133 states and 564 transitions. [2018-10-01 03:21:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 564 transitions. [2018-10-01 03:21:22,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-01 03:21:22,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:21:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:21:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 351 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:21:32,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:21:32,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 135 states and 567 transitions. [2018-10-01 03:21:32,058 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 567 transitions. [2018-10-01 03:21:32,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-01 03:21:32,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:21:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:21:32,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 702 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:21:42,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:21:42,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 138 states and 599 transitions. [2018-10-01 03:21:42,827 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 599 transitions. [2018-10-01 03:21:42,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 03:21:42,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:21:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:21:43,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 378 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:21:53,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:21:53,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 140 states and 602 transitions. [2018-10-01 03:21:53,261 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 602 transitions. [2018-10-01 03:21:53,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 03:21:53,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:21:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:21:53,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 756 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:22:04,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:22:04,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 143 states and 635 transitions. [2018-10-01 03:22:04,551 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 635 transitions. [2018-10-01 03:22:04,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-01 03:22:04,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:22:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:22:05,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 406 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:22:15,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:22:15,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 145 states and 638 transitions. [2018-10-01 03:22:15,888 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 638 transitions. [2018-10-01 03:22:15,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-01 03:22:15,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:22:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:22:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 812 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:22:28,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:22:28,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 148 states and 672 transitions. [2018-10-01 03:22:28,079 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 672 transitions. [2018-10-01 03:22:28,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-01 03:22:28,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:22:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:22:28,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 435 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:22:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:22:40,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 150 states and 675 transitions. [2018-10-01 03:22:40,206 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 675 transitions. [2018-10-01 03:22:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-01 03:22:40,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:22:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:22:40,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 870 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:22:53,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:22:53,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 153 states and 710 transitions. [2018-10-01 03:22:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 710 transitions. [2018-10-01 03:22:53,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-01 03:22:53,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:22:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:22:53,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 465 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:23:06,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:23:06,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 155 states and 713 transitions. [2018-10-01 03:23:06,247 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 713 transitions. [2018-10-01 03:23:06,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-01 03:23:06,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:23:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:23:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 930 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:23:20,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:23:20,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 158 states and 749 transitions. [2018-10-01 03:23:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 749 transitions. [2018-10-01 03:23:20,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-01 03:23:20,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:23:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:23:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 496 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:23:34,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:23:34,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 160 states and 752 transitions. [2018-10-01 03:23:34,271 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 752 transitions. [2018-10-01 03:23:34,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-01 03:23:34,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:23:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:23:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 992 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:23:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:23:49,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 163 states and 789 transitions. [2018-10-01 03:23:49,320 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 789 transitions. [2018-10-01 03:23:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-01 03:23:49,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:23:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:23:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 528 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:24:04,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:04,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 165 states and 792 transitions. [2018-10-01 03:24:04,023 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 792 transitions. [2018-10-01 03:24:04,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-01 03:24:04,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 1056 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:24:19,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:19,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 168 states and 830 transitions. [2018-10-01 03:24:19,802 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 830 transitions. [2018-10-01 03:24:19,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-01 03:24:19,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:20,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 561 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:24:35,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 170 states and 833 transitions. [2018-10-01 03:24:35,744 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 833 transitions. [2018-10-01 03:24:35,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-01 03:24:35,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 1122 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:24:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:24:52,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 173 states and 872 transitions. [2018-10-01 03:24:52,641 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 872 transitions. [2018-10-01 03:24:52,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-01 03:24:52,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:24:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:24:53,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 595 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:25:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:09,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 175 states and 875 transitions. [2018-10-01 03:25:09,378 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 875 transitions. [2018-10-01 03:25:09,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-01 03:25:09,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:10,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1785 backedges. 1190 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:25:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 178 states and 915 transitions. [2018-10-01 03:25:27,621 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 915 transitions. [2018-10-01 03:25:27,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-01 03:25:27,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:28,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 630 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:25:45,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:25:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 180 states and 918 transitions. [2018-10-01 03:25:45,597 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 918 transitions. [2018-10-01 03:25:45,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-01 03:25:45,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:25:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:25:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 1260 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:26:04,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:26:04,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 183 states and 959 transitions. [2018-10-01 03:26:04,997 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 959 transitions. [2018-10-01 03:26:04,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-01 03:26:04,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:26:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:26:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 666 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:26:24,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:26:24,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 185 states and 962 transitions. [2018-10-01 03:26:24,075 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 962 transitions. [2018-10-01 03:26:24,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-01 03:26:24,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:26:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:26:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1998 backedges. 1332 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:26:44,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:26:44,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 188 states and 1004 transitions. [2018-10-01 03:26:44,389 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 1004 transitions. [2018-10-01 03:26:44,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-01 03:26:44,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:26:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:26:45,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2035 backedges. 703 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:27:04,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:27:04,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 190 states and 1007 transitions. [2018-10-01 03:27:04,593 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 1007 transitions. [2018-10-01 03:27:04,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-01 03:27:04,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:27:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:27:05,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2109 backedges. 1406 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:27:26,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:27:26,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 193 states and 1050 transitions. [2018-10-01 03:27:26,129 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 1050 transitions. [2018-10-01 03:27:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-01 03:27:26,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:27:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:27:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 741 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:27:47,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:27:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 195 states and 1053 transitions. [2018-10-01 03:27:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 1053 transitions. [2018-10-01 03:27:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-01 03:27:47,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:27:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:27:48,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2223 backedges. 1482 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:28:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:28:10,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 198 states and 1097 transitions. [2018-10-01 03:28:10,363 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 1097 transitions. [2018-10-01 03:28:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-01 03:28:10,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:28:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:28:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2262 backedges. 780 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:28:33,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:28:33,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 200 states and 1100 transitions. [2018-10-01 03:28:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 1100 transitions. [2018-10-01 03:28:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-01 03:28:33,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:28:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:28:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2340 backedges. 1560 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:28:57,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:28:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 203 states and 1145 transitions. [2018-10-01 03:28:57,557 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 1145 transitions. [2018-10-01 03:28:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-01 03:28:57,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:28:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:28:58,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 820 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:29:21,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:29:21,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 205 states and 1148 transitions. [2018-10-01 03:29:21,605 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 1148 transitions. [2018-10-01 03:29:21,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-01 03:29:21,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:29:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:29:22,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2460 backedges. 1640 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:29:47,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:29:47,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 208 states and 1194 transitions. [2018-10-01 03:29:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 1194 transitions. [2018-10-01 03:29:47,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-01 03:29:47,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:29:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:29:48,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2501 backedges. 861 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:30:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:30:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 210 states and 1197 transitions. [2018-10-01 03:30:12,629 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 1197 transitions. [2018-10-01 03:30:12,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-01 03:30:12,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:30:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:30:13,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 1722 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:30:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:30:39,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 213 states and 1244 transitions. [2018-10-01 03:30:39,800 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1244 transitions. [2018-10-01 03:30:39,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-01 03:30:39,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:30:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:30:40,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2625 backedges. 903 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:31:07,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:31:07,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 215 states and 1247 transitions. [2018-10-01 03:31:07,682 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1247 transitions. [2018-10-01 03:31:07,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-01 03:31:07,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:31:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:31:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1806 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown