java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 03:59:44,953 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 03:59:44,955 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 03:59:44,967 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 03:59:44,968 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 03:59:44,969 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 03:59:44,970 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 03:59:44,972 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 03:59:44,973 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 03:59:44,974 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 03:59:44,975 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 03:59:44,975 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 03:59:44,976 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 03:59:44,977 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 03:59:44,978 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 03:59:44,979 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 03:59:44,980 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 03:59:44,982 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 03:59:44,984 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 03:59:44,985 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 03:59:44,986 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 03:59:44,989 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 03:59:44,992 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 03:59:44,992 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 03:59:44,992 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 03:59:44,993 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 03:59:44,994 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 03:59:44,995 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 03:59:44,995 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 03:59:44,997 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 03:59:44,997 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 03:59:44,998 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 03:59:44,998 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 03:59:44,998 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 03:59:44,999 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 03:59:45,000 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 03:59:45,000 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 03:59:45,017 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 03:59:45,017 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 03:59:45,018 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 03:59:45,018 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 03:59:45,019 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 03:59:45,019 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 03:59:45,019 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 03:59:45,019 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 03:59:45,020 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 03:59:45,020 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 03:59:45,020 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 03:59:45,020 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 03:59:45,020 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 03:59:45,020 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 03:59:45,021 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 03:59:45,021 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 03:59:45,021 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 03:59:45,021 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 03:59:45,021 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 03:59:45,022 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 03:59:45,022 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 03:59:45,022 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 03:59:45,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 03:59:45,023 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 03:59:45,023 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 03:59:45,023 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 03:59:45,023 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 03:59:45,023 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 03:59:45,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 03:59:45,024 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 03:59:45,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 03:59:45,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 03:59:45,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 03:59:45,084 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 03:59:45,085 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 03:59:45,085 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl [2018-10-01 03:59:45,086 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl' [2018-10-01 03:59:45,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 03:59:45,145 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 03:59:45,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 03:59:45,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 03:59:45,146 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 03:59:45,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:59:45" (1/1) ... [2018-10-01 03:59:45,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:59:45" (1/1) ... [2018-10-01 03:59:45,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 03:59:45,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 03:59:45,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 03:59:45,188 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 03:59:45,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:59:45" (1/1) ... [2018-10-01 03:59:45,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:59:45" (1/1) ... [2018-10-01 03:59:45,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:59:45" (1/1) ... [2018-10-01 03:59:45,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:59:45" (1/1) ... [2018-10-01 03:59:45,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:59:45" (1/1) ... [2018-10-01 03:59:45,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:59:45" (1/1) ... [2018-10-01 03:59:45,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:59:45" (1/1) ... [2018-10-01 03:59:45,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 03:59:45,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 03:59:45,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 03:59:45,209 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 03:59:45,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:59:45" (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 03:59:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-01 03:59:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-01 03:59:45,644 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-01 03:59:45,645 INFO L202 PluginConnector]: Adding new model seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:59:45 BoogieIcfgContainer [2018-10-01 03:59:45,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 03:59:45,646 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 03:59:45,647 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 03:59:45,662 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 03:59:45,662 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:59:45" (1/1) ... [2018-10-01 03:59:45,683 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 03:59:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:59:45,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-01 03:59:45,729 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-01 03:59:45,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 03:59:45,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:59:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:59:46,091 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 03:59:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:59:46,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-01 03:59:46,893 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-01 03:59:46,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 03:59:46,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:59:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:59:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:59:48,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:59:48,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-10-01 03:59:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-10-01 03:59:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:59:48,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:59:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:59:48,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:59:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:59:49,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-10-01 03:59:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-10-01 03:59:49,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:59:49,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:59:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:59:50,053 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:59:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:59:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-10-01 03:59:51,921 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-10-01 03:59:51,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:59:51,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:59:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:59:52,055 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 03:59:53,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:59:53,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-10-01 03:59:53,453 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-10-01 03:59:53,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:59:53,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:59:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:59:53,653 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 03:59:55,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:59:55,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-10-01 03:59:55,134 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-10-01 03:59:55,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:59:55,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:59:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:59:55,271 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:59:56,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:59:56,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-10-01 03:59:56,402 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-10-01 03:59:56,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 03:59:56,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:59:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:59:56,589 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:59:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:59:57,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-10-01 03:59:57,740 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-10-01 03:59:57,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 03:59:57,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:59:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:59:57,910 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:59:59,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:59:59,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-10-01 03:59:59,533 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-10-01 03:59:59,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 03:59:59,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:59:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:59:59,732 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:01,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:01,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-10-01 04:00:01,025 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-10-01 04:00:01,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 04:00:01,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:01,192 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:02,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:02,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-10-01 04:00:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-10-01 04:00:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 04:00:02,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:04,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:04,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-10-01 04:00:04,637 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-10-01 04:00:04,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 04:00:04,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:05,403 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:07,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:07,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-10-01 04:00:07,213 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-10-01 04:00:07,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 04:00:07,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:07,449 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:09,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:09,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-10-01 04:00:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-10-01 04:00:09,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 04:00:09,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:10,432 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:12,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:12,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-10-01 04:00:12,900 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-10-01 04:00:12,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 04:00:12,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:15,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:15,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-10-01 04:00:15,506 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-10-01 04:00:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 04:00:15,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:18,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-10-01 04:00:18,802 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-10-01 04:00:18,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 04:00:18,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:21,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:21,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-10-01 04:00:21,583 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-10-01 04:00:21,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 04:00:21,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:21,824 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:24,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:24,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-10-01 04:00:24,437 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-10-01 04:00:24,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 04:00:24,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:24,794 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:27,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:27,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-10-01 04:00:27,637 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-10-01 04:00:27,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 04:00:27,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:27,882 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:30,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:30,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-10-01 04:00:30,867 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-10-01 04:00:30,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 04:00:30,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:31,435 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:34,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:34,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-10-01 04:00:34,750 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-10-01 04:00:34,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 04:00:34,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:38,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:38,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-10-01 04:00:38,476 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-10-01 04:00:38,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 04:00:38,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:38,925 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:42,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:42,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-10-01 04:00:42,400 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-10-01 04:00:42,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 04:00:42,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:43,325 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:47,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:47,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-10-01 04:00:47,066 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-10-01 04:00:47,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 04:00:47,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:51,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-10-01 04:00:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-10-01 04:00:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 04:00:51,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:51,959 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:56,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-10-01 04:00:56,222 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-10-01 04:00:56,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 04:00:56,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:56,700 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:01,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:01,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-10-01 04:01:01,059 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-10-01 04:01:01,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 04:01:01,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:01,485 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:06,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:06,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-10-01 04:01:06,239 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-10-01 04:01:06,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 04:01:06,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:11,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:11,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-10-01 04:01:11,545 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-10-01 04:01:11,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 04:01:11,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:11,877 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:17,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:17,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-10-01 04:01:17,110 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-10-01 04:01:17,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 04:01:17,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:22,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-10-01 04:01:22,993 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-10-01 04:01:22,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 04:01:22,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:29,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:29,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-10-01 04:01:29,200 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-10-01 04:01:29,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 04:01:29,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:35,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-10-01 04:01:35,875 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-10-01 04:01:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 04:01:35,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:36,534 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:43,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-10-01 04:01:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-10-01 04:01:43,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 04:01:43,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:49,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:49,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-10-01 04:01:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-10-01 04:01:49,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 04:01:49,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:50,456 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:57,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:57,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-10-01 04:01:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-10-01 04:01:57,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 04:01:57,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:05,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:05,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-10-01 04:02:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-10-01 04:02:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 04:02:05,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:06,281 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:17,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:17,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-10-01 04:02:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-10-01 04:02:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 04:02:17,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:18,224 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:25,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-10-01 04:02:25,901 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-10-01 04:02:25,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 04:02:25,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:26,587 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:34,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-10-01 04:02:34,992 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-10-01 04:02:34,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-01 04:02:34,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:35,814 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:44,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-10-01 04:02:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-10-01 04:02:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-01 04:02:44,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:44,901 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:54,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:54,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-10-01 04:02:54,178 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-10-01 04:02:54,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-01 04:02:54,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:03:04,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:03:04,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-10-01 04:03:04,808 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-10-01 04:03:04,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-01 04:03:04,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:03:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:03:05,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:03:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:03:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-10-01 04:03:15,371 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-10-01 04:03:15,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-01 04:03:15,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:03:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:03:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:03:26,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:03:26,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-10-01 04:03:26,336 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-10-01 04:03:26,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-01 04:03:26,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:03:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:03:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:03:38,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:03:38,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-10-01 04:03:38,177 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-10-01 04:03:38,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-01 04:03:38,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:03:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:03:39,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:03:50,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:03:50,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-10-01 04:03:50,673 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-10-01 04:03:50,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-01 04:03:50,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:03:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:03:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:04:03,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:04:03,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-10-01 04:04:03,259 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-10-01 04:04:03,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-01 04:04:03,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:04:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:04:04,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:04:16,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:04:16,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 156 states and 508 transitions. [2018-10-01 04:04:16,514 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 508 transitions. [2018-10-01 04:04:16,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-01 04:04:16,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:04:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:04:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:04:30,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:04:30,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 160 states and 539 transitions. [2018-10-01 04:04:30,272 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 539 transitions. [2018-10-01 04:04:30,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-01 04:04:30,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:04:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:04:31,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:04:44,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:04:44,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 162 states and 541 transitions. [2018-10-01 04:04:44,581 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 541 transitions. [2018-10-01 04:04:44,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-01 04:04:44,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:04:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:04:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 702 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:04:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:04:59,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 166 states and 573 transitions. [2018-10-01 04:04:59,281 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 573 transitions. [2018-10-01 04:04:59,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-01 04:04:59,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:04:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:05:00,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:05:14,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:05:14,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 168 states and 575 transitions. [2018-10-01 04:05:14,755 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 575 transitions. [2018-10-01 04:05:14,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-01 04:05:14,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:05:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:05:15,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 756 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:05:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:05:30,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 172 states and 608 transitions. [2018-10-01 04:05:30,719 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 608 transitions. [2018-10-01 04:05:30,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-01 04:05:30,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:05:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:05:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 812 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:05:47,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:05:47,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 174 states and 610 transitions. [2018-10-01 04:05:47,183 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 610 transitions. [2018-10-01 04:05:47,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-01 04:05:47,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:05:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:05:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 812 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:06:04,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:06:04,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 178 states and 644 transitions. [2018-10-01 04:06:04,204 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 644 transitions. [2018-10-01 04:06:04,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-01 04:06:04,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:06:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:06:05,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 870 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:06:22,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:06:22,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 180 states and 646 transitions. [2018-10-01 04:06:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 646 transitions. [2018-10-01 04:06:22,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-01 04:06:22,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:06:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:06:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 870 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:06:40,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:06:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 184 states and 681 transitions. [2018-10-01 04:06:40,609 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 681 transitions. [2018-10-01 04:06:40,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-01 04:06:40,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:06:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:06:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 930 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:06:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:06:59,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 186 states and 683 transitions. [2018-10-01 04:06:59,673 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 683 transitions. [2018-10-01 04:06:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-01 04:06:59,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:06:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:07:00,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 930 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:07:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:07:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 190 states and 719 transitions. [2018-10-01 04:07:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 719 transitions. [2018-10-01 04:07:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-01 04:07:19,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:07:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:07:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 992 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:07:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:07:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 192 states and 721 transitions. [2018-10-01 04:07:40,478 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 721 transitions. [2018-10-01 04:07:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-01 04:07:40,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:07:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:07:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 992 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:08:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:08:01,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 196 states and 758 transitions. [2018-10-01 04:08:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 758 transitions. [2018-10-01 04:08:01,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-01 04:08:01,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:08:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:08:02,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1056 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:08:23,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:08:23,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 198 states and 760 transitions. [2018-10-01 04:08:23,687 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 760 transitions. [2018-10-01 04:08:23,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-01 04:08:23,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:08:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:08:24,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1056 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:08:46,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:08:46,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 202 states and 798 transitions. [2018-10-01 04:08:46,703 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 798 transitions. [2018-10-01 04:08:46,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-01 04:08:46,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:08:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:08:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 1122 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:09:10,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:09:10,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 204 states and 800 transitions. [2018-10-01 04:09:10,304 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 800 transitions. [2018-10-01 04:09:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-01 04:09:10,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:09:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:09:11,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1122 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:09:34,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:09:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 208 states and 839 transitions. [2018-10-01 04:09:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 839 transitions. [2018-10-01 04:09:34,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-01 04:09:34,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:09:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:09:36,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 1190 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:10:00,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:10:00,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 210 states and 841 transitions. [2018-10-01 04:10:00,070 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 841 transitions. [2018-10-01 04:10:00,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-01 04:10:00,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:10:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:10:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1190 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:10:26,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:10:26,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 214 states and 881 transitions. [2018-10-01 04:10:26,256 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 881 transitions. [2018-10-01 04:10:26,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-01 04:10:26,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:10:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:10:27,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 1260 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:10:53,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:10:53,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 216 states and 883 transitions. [2018-10-01 04:10:53,433 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 883 transitions. [2018-10-01 04:10:53,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-01 04:10:53,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:10:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:10:54,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1260 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:11:21,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:11:21,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 220 states and 924 transitions. [2018-10-01 04:11:21,462 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 924 transitions. [2018-10-01 04:11:21,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-01 04:11:21,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:11:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:11:22,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 1332 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:11:50,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:11:50,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 222 states and 926 transitions. [2018-10-01 04:11:50,469 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 926 transitions. [2018-10-01 04:11:50,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-01 04:11:50,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:11:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:11:51,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 1332 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:12:20,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:12:20,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 226 states and 968 transitions. [2018-10-01 04:12:20,286 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 968 transitions. [2018-10-01 04:12:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-01 04:12:20,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:12:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:12:21,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2738 backedges. 1406 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:12:51,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:12:51,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 228 states and 970 transitions. [2018-10-01 04:12:51,097 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 970 transitions. [2018-10-01 04:12:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-01 04:12:51,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:12:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:12:52,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1406 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:13:23,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:13:23,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 232 states and 1013 transitions. [2018-10-01 04:13:23,073 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 1013 transitions. [2018-10-01 04:13:23,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-01 04:13:23,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:13:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:13:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 1482 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown