java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 11:08:23,933 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:08:23,935 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:08:23,947 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:08:23,947 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:08:23,948 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:08:23,950 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:08:23,952 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:08:23,954 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:08:23,955 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:08:23,956 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:08:23,956 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:08:23,957 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:08:23,958 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:08:23,960 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:08:23,961 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:08:23,962 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:08:23,964 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:08:23,966 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:08:23,968 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:08:23,969 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:08:23,970 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:08:23,973 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:08:23,974 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:08:23,974 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:08:23,975 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:08:23,976 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:08:23,979 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:08:23,980 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:08:23,985 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:08:23,985 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:08:23,986 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:08:23,986 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:08:23,987 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:08:23,988 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:08:23,989 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:08:23,989 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-28 11:08:24,025 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:08:24,025 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:08:24,026 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:08:24,026 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:08:24,027 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:08:24,027 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:08:24,030 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:08:24,031 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:08:24,031 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:08:24,031 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:08:24,031 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:08:24,032 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:08:24,032 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:08:24,032 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:08:24,032 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:08:24,033 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:08:24,033 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:08:24,033 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:08:24,034 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:08:24,034 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:08:24,034 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:08:24,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:08:24,035 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:08:24,035 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:08:24,035 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:08:24,035 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:08:24,036 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:08:24,036 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:08:24,036 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:08:24,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:08:24,117 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:08:24,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:08:24,123 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:08:24,124 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:08:24,124 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl [2018-09-28 11:08:24,125 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl' [2018-09-28 11:08:24,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:08:24,186 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:08:24,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:08:24,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:08:24,188 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:08:24,211 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 28.09 11:08:24" (1/1) ... [2018-09-28 11:08:24,225 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 28.09 11:08:24" (1/1) ... [2018-09-28 11:08:24,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:08:24,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:08:24,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:08:24,235 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:08:24,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:24" (1/1) ... [2018-09-28 11:08:24,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:24" (1/1) ... [2018-09-28 11:08:24,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:24" (1/1) ... [2018-09-28 11:08:24,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:24" (1/1) ... [2018-09-28 11:08:24,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:24" (1/1) ... [2018-09-28 11:08:24,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:24" (1/1) ... [2018-09-28 11:08:24,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:24" (1/1) ... [2018-09-28 11:08:24,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:08:24,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:08:24,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:08:24,261 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:08:24,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:08:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:08:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 11:08:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 11:08:24,616 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 11:08:24,616 INFO L202 PluginConnector]: Adding new model seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:08:24 BoogieIcfgContainer [2018-09-28 11:08:24,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:08:24,617 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:08:24,617 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:08:24,630 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:08:24,630 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:08:24" (1/1) ... [2018-09-28 11:08:24,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 11:08:24,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:24,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-28 11:08:24,686 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-28 11:08:24,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:08:24,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:24,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-09-28 11:08:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-09-28 11:08:25,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:08:25,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:26,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:26,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-09-28 11:08:26,501 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-09-28 11:08:26,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 11:08:26,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:27,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:27,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-09-28 11:08:27,653 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-09-28 11:08:27,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 11:08:27,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:27,827 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:28,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-09-28 11:08:28,875 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-09-28 11:08:28,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:08:28,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:29,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:29,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-09-28 11:08:29,927 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-09-28 11:08:29,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:08:29,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:31,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-09-28 11:08:31,043 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-09-28 11:08:31,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 11:08:31,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:31,285 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:32,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:32,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-09-28 11:08:32,140 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-09-28 11:08:32,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-28 11:08:32,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:32,555 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:33,167 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 9 [2018-09-28 11:08:34,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:34,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-09-28 11:08:34,390 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-09-28 11:08:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-28 11:08:34,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-09-28 11:08:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-09-28 11:08:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 11:08:35,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:37,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:37,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-09-28 11:08:37,004 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-09-28 11:08:37,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-28 11:08:37,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:37,207 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:38,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:38,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-09-28 11:08:38,491 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-09-28 11:08:38,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-28 11:08:38,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:38,730 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:40,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:40,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-09-28 11:08:40,013 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-09-28 11:08:40,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-28 11:08:40,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:40,274 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:41,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:41,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-09-28 11:08:41,817 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-09-28 11:08:41,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 11:08:41,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:43,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:43,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-09-28 11:08:43,773 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-09-28 11:08:43,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:08:43,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:44,106 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:45,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-09-28 11:08:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-09-28 11:08:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:08:45,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:47,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-09-28 11:08:47,504 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-09-28 11:08:47,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-28 11:08:47,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:48,182 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:49,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:49,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-09-28 11:08:49,747 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-09-28 11:08:49,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:08:49,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:51,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:51,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-09-28 11:08:51,782 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-09-28 11:08:51,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-28 11:08:51,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:54,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-09-28 11:08:54,985 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-09-28 11:08:54,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-28 11:08:54,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:55,362 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:08:57,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:08:57,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-09-28 11:08:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-09-28 11:08:57,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-28 11:08:57,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:08:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:08:57,749 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:00,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:00,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-09-28 11:09:00,111 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-09-28 11:09:00,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-28 11:09:00,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:00,581 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:02,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:02,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-09-28 11:09:02,454 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-09-28 11:09:02,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-28 11:09:02,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:03,000 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:05,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:05,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-09-28 11:09:05,327 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-09-28 11:09:05,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-28 11:09:05,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:05,883 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:08,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-09-28 11:09:08,228 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-09-28 11:09:08,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-28 11:09:08,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-09-28 11:09:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-09-28 11:09:11,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-28 11:09:11,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:13,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:13,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-09-28 11:09:13,955 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-09-28 11:09:13,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-28 11:09:13,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:15,060 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:17,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-09-28 11:09:17,338 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-09-28 11:09:17,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-28 11:09:17,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:17,815 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:20,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:20,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-09-28 11:09:20,777 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-09-28 11:09:20,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-28 11:09:20,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:24,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:24,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-09-28 11:09:24,030 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-09-28 11:09:24,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-28 11:09:24,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:24,567 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:27,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:27,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-09-28 11:09:27,083 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-09-28 11:09:27,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-28 11:09:27,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:30,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:30,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-09-28 11:09:30,945 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-09-28 11:09:30,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-28 11:09:30,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:32,134 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:35,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:35,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-09-28 11:09:35,091 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-09-28 11:09:35,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-28 11:09:35,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:38,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-09-28 11:09:38,639 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-09-28 11:09:38,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-28 11:09:38,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:39,463 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:42,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:42,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-09-28 11:09:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-09-28 11:09:42,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-28 11:09:42,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:43,090 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:46,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:46,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-09-28 11:09:46,434 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-09-28 11:09:46,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-28 11:09:46,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:47,008 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:50,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-09-28 11:09:50,255 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-09-28 11:09:50,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-28 11:09:50,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:54,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-09-28 11:09:54,058 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-09-28 11:09:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-28 11:09:54,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:09:58,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:09:58,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-09-28 11:09:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-09-28 11:09:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-28 11:09:58,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:09:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:09:58,949 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:06,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-09-28 11:10:06,572 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-09-28 11:10:06,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-28 11:10:06,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:11,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:11,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-09-28 11:10:11,061 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-09-28 11:10:11,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-28 11:10:11,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:15,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-09-28 11:10:15,659 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-09-28 11:10:15,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-28 11:10:15,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:16,496 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:20,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:20,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-09-28 11:10:20,277 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-09-28 11:10:20,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-28 11:10:20,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:21,027 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:24,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:24,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-09-28 11:10:24,619 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-09-28 11:10:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-28 11:10:24,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:29,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-09-28 11:10:29,645 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-09-28 11:10:29,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-28 11:10:29,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:34,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:34,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-09-28 11:10:34,586 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-09-28 11:10:34,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-28 11:10:34,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:39,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-09-28 11:10:39,907 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-09-28 11:10:39,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-28 11:10:39,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:45,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:45,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-09-28 11:10:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-09-28 11:10:45,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-28 11:10:45,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:46,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:50,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-09-28 11:10:50,426 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-09-28 11:10:50,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-28 11:10:50,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:10:55,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:10:55,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-09-28 11:10:55,986 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-09-28 11:10:55,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-28 11:10:55,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:10:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:10:57,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:02,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:02,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 156 states and 508 transitions. [2018-09-28 11:11:02,222 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 508 transitions. [2018-09-28 11:11:02,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-28 11:11:02,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:07,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:07,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 160 states and 539 transitions. [2018-09-28 11:11:07,846 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 539 transitions. [2018-09-28 11:11:07,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-28 11:11:07,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:08,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:13,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:13,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 162 states and 541 transitions. [2018-09-28 11:11:13,362 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 541 transitions. [2018-09-28 11:11:13,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-28 11:11:13,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:14,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 702 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:19,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:19,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 166 states and 573 transitions. [2018-09-28 11:11:19,038 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 573 transitions. [2018-09-28 11:11:19,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-28 11:11:19,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:24,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 168 states and 575 transitions. [2018-09-28 11:11:24,890 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 575 transitions. [2018-09-28 11:11:24,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-28 11:11:24,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:25,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 756 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:30,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:30,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 172 states and 608 transitions. [2018-09-28 11:11:30,658 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 608 transitions. [2018-09-28 11:11:30,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-28 11:11:30,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:31,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 812 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:36,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:36,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 174 states and 610 transitions. [2018-09-28 11:11:36,467 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 610 transitions. [2018-09-28 11:11:36,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-28 11:11:36,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:37,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 812 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:42,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:42,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 178 states and 644 transitions. [2018-09-28 11:11:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 644 transitions. [2018-09-28 11:11:42,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-28 11:11:42,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 870 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:48,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:48,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 180 states and 646 transitions. [2018-09-28 11:11:48,793 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 646 transitions. [2018-09-28 11:11:48,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-28 11:11:48,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 870 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:11:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:11:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 184 states and 681 transitions. [2018-09-28 11:11:55,125 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 681 transitions. [2018-09-28 11:11:55,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-28 11:11:55,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:11:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:11:56,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 930 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:01,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 186 states and 683 transitions. [2018-09-28 11:12:01,481 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 683 transitions. [2018-09-28 11:12:01,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-28 11:12:01,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:02,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 930 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:08,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:08,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 190 states and 719 transitions. [2018-09-28 11:12:08,565 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 719 transitions. [2018-09-28 11:12:08,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-28 11:12:08,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 992 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:15,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:15,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 192 states and 721 transitions. [2018-09-28 11:12:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 721 transitions. [2018-09-28 11:12:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-28 11:12:15,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:16,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 992 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 196 states and 758 transitions. [2018-09-28 11:12:22,075 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 758 transitions. [2018-09-28 11:12:22,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-28 11:12:22,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1056 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:28,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 198 states and 760 transitions. [2018-09-28 11:12:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 760 transitions. [2018-09-28 11:12:28,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-28 11:12:28,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-28 11:12:30,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1056 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:30,124 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-28 11:12:30,127 INFO L168 Benchmark]: Toolchain (without parser) took 245943.44 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: -1.6 GB). Peak memory consumption was 287.4 MB. Max. memory is 7.1 GB. [2018-09-28 11:12:30,128 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:12:30,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.53 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:12:30,129 INFO L168 Benchmark]: Boogie Preprocessor took 25.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:12:30,129 INFO L168 Benchmark]: RCFGBuilder took 356.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-28 11:12:30,130 INFO L168 Benchmark]: CodeCheck took 245508.66 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.6 GB). Peak memory consumption was 266.2 MB. Max. memory is 7.1 GB. [2018-09-28 11:12:30,134 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1022 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.53 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 356.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 245508.66 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.6 GB). Peak memory consumption was 266.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/seq.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-28_11-12-30-146.csv Completed graceful shutdown