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/invert_string.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-bd42740 [2018-09-23 22:00:07,904 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 22:00:07,906 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 22:00:07,919 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 22:00:07,919 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 22:00:07,920 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 22:00:07,921 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 22:00:07,923 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 22:00:07,925 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 22:00:07,926 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 22:00:07,927 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 22:00:07,927 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 22:00:07,928 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 22:00:07,929 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 22:00:07,931 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 22:00:07,931 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 22:00:07,932 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 22:00:07,934 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 22:00:07,936 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 22:00:07,938 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 22:00:07,939 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 22:00:07,941 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 22:00:07,943 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 22:00:07,944 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 22:00:07,944 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 22:00:07,945 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 22:00:07,949 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 22:00:07,951 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 22:00:07,951 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 22:00:07,953 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 22:00:07,953 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 22:00:07,954 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 22:00:07,954 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 22:00:07,954 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 22:00:07,957 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 22:00:07,958 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 22:00:07,958 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 [2018-09-23 22:00:07,987 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 22:00:07,987 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 22:00:07,988 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 22:00:07,988 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 22:00:07,989 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 22:00:07,989 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 22:00:07,989 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 22:00:07,989 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 22:00:07,989 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 22:00:07,990 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 22:00:07,990 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 22:00:07,990 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 22:00:07,990 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 22:00:07,990 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 22:00:07,990 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 22:00:07,991 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 22:00:07,991 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 22:00:07,991 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 22:00:07,991 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 22:00:07,991 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 22:00:07,992 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 22:00:07,992 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 22:00:07,992 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 22:00:07,992 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 22:00:07,992 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 22:00:07,993 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 22:00:07,993 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 22:00:07,993 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 22:00:07,993 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 22:00:08,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 22:00:08,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 22:00:08,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 22:00:08,063 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 22:00:08,063 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 22:00:08,064 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl [2018-09-23 22:00:08,065 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl' [2018-09-23 22:00:08,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 22:00:08,141 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 22:00:08,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 22:00:08,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 22:00:08,142 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 22:00:08,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:00:08" (1/1) ... [2018-09-23 22:00:08,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:00:08" (1/1) ... [2018-09-23 22:00:08,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 22:00:08,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 22:00:08,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 22:00:08,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 22:00:08,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:00:08" (1/1) ... [2018-09-23 22:00:08,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:00:08" (1/1) ... [2018-09-23 22:00:08,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:00:08" (1/1) ... [2018-09-23 22:00:08,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:00:08" (1/1) ... [2018-09-23 22:00:08,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:00:08" (1/1) ... [2018-09-23 22:00:08,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:00:08" (1/1) ... [2018-09-23 22:00:08,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:00:08" (1/1) ... [2018-09-23 22:00:08,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 22:00:08,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 22:00:08,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 22:00:08,216 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 22:00:08,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:00:08" (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 [2018-09-23 22:00:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-23 22:00:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-23 22:00:08,627 INFO L354 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-23 22:00:08,628 INFO L202 PluginConnector]: Adding new model invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:00:08 BoogieIcfgContainer [2018-09-23 22:00:08,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 22:00:08,629 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 22:00:08,629 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 22:00:08,645 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 22:00:08,645 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:00:08" (1/1) ... [2018-09-23 22:00:08,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 22:00:08,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-23 22:00:08,713 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-23 22:00:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-23 22:00:08,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:09,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:09,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:09,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-09-23 22:00:09,232 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-09-23 22:00:09,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-23 22:00:09,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:10,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-09-23 22:00:10,133 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-09-23 22:00:10,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 22:00:10,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:10,654 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-23 22:00:11,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:11,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-09-23 22:00:11,428 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-09-23 22:00:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 22:00:11,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:11,547 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:12,171 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2018-09-23 22:00:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:12,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-09-23 22:00:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-09-23 22:00:12,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 22:00:12,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:12,486 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:13,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:13,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-09-23 22:00:13,187 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-09-23 22:00:13,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 22:00:13,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:13,506 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:14,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-09-23 22:00:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-09-23 22:00:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 22:00:14,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:14,770 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:15,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:15,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-09-23 22:00:15,465 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-09-23 22:00:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 22:00:15,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:16,255 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-23 22:00:17,419 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-23 22:00:17,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:17,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2018-09-23 22:00:17,706 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2018-09-23 22:00:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 22:00:17,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:17,945 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:18,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:18,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-09-23 22:00:18,198 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-09-23 22:00:18,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 22:00:18,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:18,533 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:19,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:19,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2018-09-23 22:00:19,976 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2018-09-23 22:00:19,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 22:00:19,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:20,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2018-09-23 22:00:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2018-09-23 22:00:20,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 22:00:20,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:20,686 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:22,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:22,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2018-09-23 22:00:22,035 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2018-09-23 22:00:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 22:00:22,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:22,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:22,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 63 states and 105 transitions. [2018-09-23 22:00:22,440 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 105 transitions. [2018-09-23 22:00:22,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 22:00:22,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:22,705 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:23,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2018-09-23 22:00:23,533 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2018-09-23 22:00:23,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 22:00:23,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:23,729 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 119 transitions. [2018-09-23 22:00:24,264 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 119 transitions. [2018-09-23 22:00:24,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-23 22:00:24,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:26,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:26,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 130 transitions. [2018-09-23 22:00:26,951 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 130 transitions. [2018-09-23 22:00:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-23 22:00:26,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 79 states and 132 transitions. [2018-09-23 22:00:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 132 transitions. [2018-09-23 22:00:27,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 22:00:27,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:29,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:29,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 83 states and 140 transitions. [2018-09-23 22:00:29,011 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 140 transitions. [2018-09-23 22:00:29,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 22:00:29,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:29,410 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:29,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:29,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 85 states and 146 transitions. [2018-09-23 22:00:29,949 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 146 transitions. [2018-09-23 22:00:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 22:00:29,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 89 states and 153 transitions. [2018-09-23 22:00:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 153 transitions. [2018-09-23 22:00:32,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 22:00:32,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:32,184 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 91 states and 155 transitions. [2018-09-23 22:00:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 155 transitions. [2018-09-23 22:00:32,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 22:00:32,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:35,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:35,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 101 states and 170 transitions. [2018-09-23 22:00:35,911 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 170 transitions. [2018-09-23 22:00:35,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 22:00:35,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:35,942 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:36,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:36,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2018-09-23 22:00:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2018-09-23 22:00:36,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 22:00:36,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:37,093 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:38,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 107 states and 180 transitions. [2018-09-23 22:00:38,274 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions. [2018-09-23 22:00:38,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 22:00:38,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 111 states and 187 transitions. [2018-09-23 22:00:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 187 transitions. [2018-09-23 22:00:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 22:00:39,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:40,613 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:41,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 193 transitions. [2018-09-23 22:00:41,375 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2018-09-23 22:00:41,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 22:00:41,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:41,569 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:42,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:42,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 115 states and 195 transitions. [2018-09-23 22:00:42,529 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2018-09-23 22:00:42,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 22:00:42,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:43,286 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:46,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 210 transitions. [2018-09-23 22:00:46,586 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-09-23 22:00:46,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 22:00:46,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:46,621 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:47,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:47,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 127 states and 212 transitions. [2018-09-23 22:00:47,196 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 212 transitions. [2018-09-23 22:00:47,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 22:00:47,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:49,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:49,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2018-09-23 22:00:49,670 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2018-09-23 22:00:49,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 22:00:49,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 44 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:52,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:52,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 135 states and 227 transitions. [2018-09-23 22:00:52,298 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 227 transitions. [2018-09-23 22:00:52,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 22:00:52,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:54,567 WARN L178 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-09-23 22:00:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:55,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 137 states and 233 transitions. [2018-09-23 22:00:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 233 transitions. [2018-09-23 22:00:55,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 22:00:55,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:55,217 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 44 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:56,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 139 states and 235 transitions. [2018-09-23 22:00:56,148 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 235 transitions. [2018-09-23 22:00:56,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 22:00:56,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:56,866 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:00,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 149 states and 250 transitions. [2018-09-23 22:01:00,326 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 250 transitions. [2018-09-23 22:01:00,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 22:01:00,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:00,360 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:01,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:01,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 151 states and 252 transitions. [2018-09-23 22:01:01,219 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 252 transitions. [2018-09-23 22:01:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 22:01:01,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 56 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:04,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:04,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 155 states and 260 transitions. [2018-09-23 22:01:04,678 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 260 transitions. [2018-09-23 22:01:04,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 22:01:04,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:05,142 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 58 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:07,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:07,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2018-09-23 22:01:07,042 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2018-09-23 22:01:07,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 22:01:07,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:08,095 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 56 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:08,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:08,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 161 states and 273 transitions. [2018-09-23 22:01:08,856 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 273 transitions. [2018-09-23 22:01:08,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 22:01:08,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:08,904 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 58 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:09,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 163 states and 275 transitions. [2018-09-23 22:01:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 275 transitions. [2018-09-23 22:01:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 22:01:09,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:14,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:14,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 173 states and 290 transitions. [2018-09-23 22:01:14,319 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 290 transitions. [2018-09-23 22:01:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 22:01:14,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:14,399 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:15,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:15,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 175 states and 292 transitions. [2018-09-23 22:01:15,571 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 292 transitions. [2018-09-23 22:01:15,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:01:15,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:17,516 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 72 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:19,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:19,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 179 states and 300 transitions. [2018-09-23 22:01:19,381 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 300 transitions. [2018-09-23 22:01:19,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:01:19,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:22,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 183 states and 307 transitions. [2018-09-23 22:01:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 307 transitions. [2018-09-23 22:01:22,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:01:22,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 72 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:24,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 185 states and 313 transitions. [2018-09-23 22:01:24,995 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 313 transitions. [2018-09-23 22:01:24,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:01:24,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:25,093 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:25,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 187 states and 315 transitions. [2018-09-23 22:01:25,763 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 315 transitions. [2018-09-23 22:01:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 22:01:25,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 197 states and 330 transitions. [2018-09-23 22:01:31,360 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 330 transitions. [2018-09-23 22:01:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 22:01:31,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:32,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 199 states and 332 transitions. [2018-09-23 22:01:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 332 transitions. [2018-09-23 22:01:32,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:01:32,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:34,463 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 90 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:36,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 203 states and 340 transitions. [2018-09-23 22:01:36,847 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 340 transitions. [2018-09-23 22:01:36,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:01:36,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:37,970 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:40,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:40,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 207 states and 347 transitions. [2018-09-23 22:01:40,227 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 347 transitions. [2018-09-23 22:01:40,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:01:40,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:42,250 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 90 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:43,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 209 states and 353 transitions. [2018-09-23 22:01:43,239 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 353 transitions. [2018-09-23 22:01:43,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:01:43,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:43,427 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 211 states and 355 transitions. [2018-09-23 22:01:44,715 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 355 transitions. [2018-09-23 22:01:44,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 22:01:44,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:45,719 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:50,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:50,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 221 states and 370 transitions. [2018-09-23 22:01:50,998 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 370 transitions. [2018-09-23 22:01:50,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 22:01:50,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:52,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:52,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 223 states and 372 transitions. [2018-09-23 22:01:52,594 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 372 transitions. [2018-09-23 22:01:52,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:01:52,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:56,045 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 110 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:58,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:58,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 227 states and 380 transitions. [2018-09-23 22:01:58,830 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 380 transitions. [2018-09-23 22:01:58,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:01:58,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 112 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:02,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:02,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 231 states and 387 transitions. [2018-09-23 22:02:02,032 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 387 transitions. [2018-09-23 22:02:02,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:02:02,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:04,391 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 110 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:05,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 233 states and 393 transitions. [2018-09-23 22:02:05,567 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 393 transitions. [2018-09-23 22:02:05,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:02:05,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 112 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:06,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 235 states and 395 transitions. [2018-09-23 22:02:06,419 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 395 transitions. [2018-09-23 22:02:06,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 22:02:06,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:13,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:13,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 245 states and 410 transitions. [2018-09-23 22:02:13,658 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 410 transitions. [2018-09-23 22:02:13,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 22:02:13,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:14,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 247 states and 412 transitions. [2018-09-23 22:02:14,842 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 412 transitions. [2018-09-23 22:02:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:02:14,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 132 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:21,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 251 states and 420 transitions. [2018-09-23 22:02:21,079 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 420 transitions. [2018-09-23 22:02:21,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:02:21,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:22,088 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 134 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 255 states and 427 transitions. [2018-09-23 22:02:25,147 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 427 transitions. [2018-09-23 22:02:25,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:02:25,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:28,184 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 132 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:29,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:29,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 257 states and 433 transitions. [2018-09-23 22:02:29,477 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 433 transitions. [2018-09-23 22:02:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:02:29,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 134 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:30,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:30,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 259 states and 435 transitions. [2018-09-23 22:02:30,407 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 435 transitions. [2018-09-23 22:02:30,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 22:02:30,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:31,824 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 269 states and 450 transitions. [2018-09-23 22:02:38,347 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 450 transitions. [2018-09-23 22:02:38,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 22:02:38,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:40,538 WARN L178 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2018-09-23 22:02:41,940 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-09-23 22:02:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:42,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 271 states and 452 transitions. [2018-09-23 22:02:42,829 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 452 transitions. [2018-09-23 22:02:42,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 22:02:42,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 156 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:50,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 275 states and 460 transitions. [2018-09-23 22:02:50,160 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 460 transitions. [2018-09-23 22:02:50,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 22:02:50,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:50,863 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 158 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:54,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:54,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 279 states and 467 transitions. [2018-09-23 22:02:54,139 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 467 transitions. [2018-09-23 22:02:54,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 22:02:54,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 156 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:59,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 281 states and 473 transitions. [2018-09-23 22:02:59,202 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 473 transitions. [2018-09-23 22:02:59,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 22:02:59,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 158 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:00,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 283 states and 475 transitions. [2018-09-23 22:03:00,309 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 475 transitions. [2018-09-23 22:03:00,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-23 22:03:00,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:09,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 293 states and 490 transitions. [2018-09-23 22:03:09,153 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 490 transitions. [2018-09-23 22:03:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-23 22:03:09,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:09,199 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:10,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 295 states and 492 transitions. [2018-09-23 22:03:10,591 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 492 transitions. [2018-09-23 22:03:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-23 22:03:10,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:15,379 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 182 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:19,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 299 states and 500 transitions. [2018-09-23 22:03:19,310 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 500 transitions. [2018-09-23 22:03:19,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-23 22:03:19,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:20,036 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 184 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:23,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:23,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 303 states and 507 transitions. [2018-09-23 22:03:23,398 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 507 transitions. [2018-09-23 22:03:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-23 22:03:23,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:27,709 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 182 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 305 states and 513 transitions. [2018-09-23 22:03:29,546 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 513 transitions. [2018-09-23 22:03:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-23 22:03:29,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:29,752 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 184 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:30,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:30,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 307 states and 515 transitions. [2018-09-23 22:03:30,752 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 515 transitions. [2018-09-23 22:03:30,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-23 22:03:30,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:40,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:40,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 317 states and 530 transitions. [2018-09-23 22:03:40,317 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 530 transitions. [2018-09-23 22:03:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-23 22:03:40,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:42,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:42,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 319 states and 532 transitions. [2018-09-23 22:03:42,283 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 532 transitions. [2018-09-23 22:03:42,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-23 22:03:42,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:47,649 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 210 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:51,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:51,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 323 states and 540 transitions. [2018-09-23 22:03:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 540 transitions. [2018-09-23 22:03:51,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-23 22:03:51,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:53,459 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 212 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:57,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:57,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 327 states and 547 transitions. [2018-09-23 22:03:57,299 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 547 transitions. [2018-09-23 22:03:57,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-23 22:03:57,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:02,113 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 210 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:02,622 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-09-23 22:04:04,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:04,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 329 states and 553 transitions. [2018-09-23 22:04:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 553 transitions. [2018-09-23 22:04:04,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-23 22:04:04,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 212 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:06,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:06,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 331 states and 555 transitions. [2018-09-23 22:04:06,217 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 555 transitions. [2018-09-23 22:04:06,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-23 22:04:06,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-23 22:04:14,004 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-23 22:04:14,006 INFO L168 Benchmark]: Toolchain (without parser) took 245867.52 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 394.2 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-09-23 22:04:14,007 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-09-23 22:04:14,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.18 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. [2018-09-23 22:04:14,008 INFO L168 Benchmark]: Boogie Preprocessor took 25.69 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. [2018-09-23 22:04:14,008 INFO L168 Benchmark]: RCFGBuilder took 419.24 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. [2018-09-23 22:04:14,009 INFO L168 Benchmark]: CodeCheck took 245376.22 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 373.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-09-23 22:04:14,014 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 929 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 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 41.18 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 25.69 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 419.24 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 245376.22 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 373.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/invert_string.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-23_22-04-14-025.csv Completed graceful shutdown