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 0.1.23-00a8621 [2018-09-30 11:19:08,148 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:19:08,150 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:19:08,162 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:19:08,163 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:19:08,164 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:19:08,165 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:19:08,169 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:19:08,171 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:19:08,172 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:19:08,173 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:19:08,173 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:19:08,174 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:19:08,175 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:19:08,177 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:19:08,181 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:19:08,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:19:08,187 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:19:08,192 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:19:08,199 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:19:08,200 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:19:08,201 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:19:08,205 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:19:08,205 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:19:08,205 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:19:08,206 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:19:08,208 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:19:08,209 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:19:08,210 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:19:08,215 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:19:08,215 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:19:08,216 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:19:08,216 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:19:08,216 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:19:08,217 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:19:08,218 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:19:08,218 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-30 11:19:08,233 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:19:08,234 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:19:08,234 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:19:08,235 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:19:08,235 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:19:08,235 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:19:08,236 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:19:08,236 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:19:08,236 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:19:08,236 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:19:08,236 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:19:08,237 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:19:08,237 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:19:08,237 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:19:08,237 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:19:08,237 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:19:08,238 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:19:08,238 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:19:08,238 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:19:08,238 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:19:08,238 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:19:08,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:19:08,239 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:19:08,239 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:19:08,239 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:19:08,239 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:19:08,239 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:19:08,240 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:19:08,240 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:19:08,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:19:08,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:19:08,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:19:08,312 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:19:08,312 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:19:08,313 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl [2018-09-30 11:19:08,314 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl' [2018-09-30 11:19:08,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:19:08,385 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:19:08,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:19:08,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:19:08,387 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:19:08,408 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 30.09 11:19:08" (1/1) ... [2018-09-30 11:19:08,425 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 30.09 11:19:08" (1/1) ... [2018-09-30 11:19:08,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:19:08,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:19:08,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:19:08,433 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:19:08,445 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 30.09 11:19:08" (1/1) ... [2018-09-30 11:19:08,445 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 30.09 11:19:08" (1/1) ... [2018-09-30 11:19:08,446 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 30.09 11:19:08" (1/1) ... [2018-09-30 11:19:08,446 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 30.09 11:19:08" (1/1) ... [2018-09-30 11:19:08,450 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 30.09 11:19:08" (1/1) ... [2018-09-30 11:19:08,452 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 30.09 11:19:08" (1/1) ... [2018-09-30 11:19:08,453 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 30.09 11:19:08" (1/1) ... [2018-09-30 11:19:08,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:19:08,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:19:08,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:19:08,456 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:19:08,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:19:08" (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 [2018-09-30 11:19:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 11:19:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 11:19:08,848 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 11:19:08,849 INFO L202 PluginConnector]: Adding new model invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:19:08 BoogieIcfgContainer [2018-09-30 11:19:08,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:19:08,850 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:19:08,851 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:19:08,862 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:19:08,862 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 30.09 11:19:08" (1/1) ... [2018-09-30 11:19:08,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 11:19:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:08,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-30 11:19:08,912 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-30 11:19:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 11:19:08,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:09,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:09,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:09,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-09-30 11:19:09,352 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-09-30 11:19:09,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:19:09,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:09,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:10,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:10,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-09-30 11:19:10,245 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-09-30 11:19:10,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:19:10,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:10,794 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-30 11:19:11,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:11,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-09-30 11:19:11,585 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-09-30 11:19:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:19:11,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:11,718 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:12,352 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2018-09-30 11:19:12,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-09-30 11:19:12,484 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-09-30 11:19:12,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:19:12,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:12,667 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-09-30 11:19:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-09-30 11:19:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:19:13,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:14,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:14,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-09-30 11:19:14,644 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-09-30 11:19:14,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:19:14,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:14,932 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:15,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-09-30 11:19:15,562 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-09-30 11:19:15,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:19:15,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:15,698 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:16,745 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-30 11:19:17,846 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-30 11:19:18,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2018-09-30 11:19:18,283 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2018-09-30 11:19:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:19:18,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:18,533 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:18,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:18,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-09-30 11:19:18,985 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-09-30 11:19:18,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:19:18,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:20,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:20,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2018-09-30 11:19:20,709 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2018-09-30 11:19:20,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:19:20,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:21,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:21,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2018-09-30 11:19:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2018-09-30 11:19:21,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:19:21,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:21,357 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:22,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:22,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2018-09-30 11:19:22,474 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2018-09-30 11:19:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:19:22,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:22,549 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 63 states and 105 transitions. [2018-09-30 11:19:22,901 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 105 transitions. [2018-09-30 11:19:22,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:19:22,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:24,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:24,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2018-09-30 11:19:24,244 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2018-09-30 11:19:24,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:19:24,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:24,575 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:25,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:25,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 119 transitions. [2018-09-30 11:19:25,098 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 119 transitions. [2018-09-30 11:19:25,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:19:25,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:25,589 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:27,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 130 transitions. [2018-09-30 11:19:27,550 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 130 transitions. [2018-09-30 11:19:27,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:19:27,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:28,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:28,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 79 states and 132 transitions. [2018-09-30 11:19:28,043 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 132 transitions. [2018-09-30 11:19:28,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:19:28,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 83 states and 140 transitions. [2018-09-30 11:19:29,857 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 140 transitions. [2018-09-30 11:19:29,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:19:29,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:30,227 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:30,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:30,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 85 states and 146 transitions. [2018-09-30 11:19:30,644 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 146 transitions. [2018-09-30 11:19:30,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:19:30,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:32,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:32,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 89 states and 153 transitions. [2018-09-30 11:19:32,410 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 153 transitions. [2018-09-30 11:19:32,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:19:32,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:32,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:32,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 91 states and 155 transitions. [2018-09-30 11:19:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 155 transitions. [2018-09-30 11:19:32,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:19:32,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:33,479 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:35,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:35,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 101 states and 170 transitions. [2018-09-30 11:19:35,968 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 170 transitions. [2018-09-30 11:19:35,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:19:35,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:36,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2018-09-30 11:19:36,575 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2018-09-30 11:19:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:19:36,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:38,039 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:39,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:39,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 107 states and 180 transitions. [2018-09-30 11:19:39,204 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions. [2018-09-30 11:19:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:19:39,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:40,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 111 states and 187 transitions. [2018-09-30 11:19:40,929 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 187 transitions. [2018-09-30 11:19:40,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:19:40,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:41,463 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:42,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 193 transitions. [2018-09-30 11:19:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2018-09-30 11:19:42,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:19:42,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:42,310 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:42,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:42,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 115 states and 195 transitions. [2018-09-30 11:19:42,763 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2018-09-30 11:19:42,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:19:42,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:43,325 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:46,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:46,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 210 transitions. [2018-09-30 11:19:46,691 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-09-30 11:19:46,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:19:46,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 127 states and 212 transitions. [2018-09-30 11:19:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 212 transitions. [2018-09-30 11:19:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:19:47,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:49,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:49,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2018-09-30 11:19:49,828 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2018-09-30 11:19:49,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:19:49,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:50,696 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 44 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:52,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 135 states and 227 transitions. [2018-09-30 11:19:52,176 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 227 transitions. [2018-09-30 11:19:52,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:19:52,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:53,126 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:54,286 WARN L178 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-09-30 11:19:55,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:55,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 137 states and 233 transitions. [2018-09-30 11:19:55,108 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 233 transitions. [2018-09-30 11:19:55,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:19:55,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 44 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:19:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:19:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 139 states and 235 transitions. [2018-09-30 11:19:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 235 transitions. [2018-09-30 11:19:56,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:19:56,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:19:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:19:56,825 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:00,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:00,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 149 states and 250 transitions. [2018-09-30 11:20:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 250 transitions. [2018-09-30 11:20:00,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:20:00,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:01,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:01,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 151 states and 252 transitions. [2018-09-30 11:20:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 252 transitions. [2018-09-30 11:20:01,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:20:01,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:03,195 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 56 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:04,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:04,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 155 states and 260 transitions. [2018-09-30 11:20:04,991 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 260 transitions. [2018-09-30 11:20:04,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:20:04,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:05,492 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 58 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:07,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:07,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2018-09-30 11:20:07,208 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2018-09-30 11:20:07,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:20:07,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 56 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:08,721 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-30 11:20:09,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:09,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 161 states and 273 transitions. [2018-09-30 11:20:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 273 transitions. [2018-09-30 11:20:09,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:20:09,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 58 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:09,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 163 states and 275 transitions. [2018-09-30 11:20:09,693 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 275 transitions. [2018-09-30 11:20:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:20:09,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:14,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 173 states and 290 transitions. [2018-09-30 11:20:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 290 transitions. [2018-09-30 11:20:14,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:20:14,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:14,419 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:15,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:15,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 175 states and 292 transitions. [2018-09-30 11:20:15,405 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 292 transitions. [2018-09-30 11:20:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:20:15,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 72 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:18,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:18,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 179 states and 300 transitions. [2018-09-30 11:20:18,950 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 300 transitions. [2018-09-30 11:20:18,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:20:18,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:20,055 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 183 states and 307 transitions. [2018-09-30 11:20:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 307 transitions. [2018-09-30 11:20:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:20:22,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 72 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:24,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:24,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 185 states and 313 transitions. [2018-09-30 11:20:24,447 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 313 transitions. [2018-09-30 11:20:24,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:20:24,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:24,559 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:25,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:25,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 187 states and 315 transitions. [2018-09-30 11:20:25,233 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 315 transitions. [2018-09-30 11:20:25,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:20:25,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:26,583 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:31,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:31,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 197 states and 330 transitions. [2018-09-30 11:20:31,120 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 330 transitions. [2018-09-30 11:20:31,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:20:31,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:32,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 199 states and 332 transitions. [2018-09-30 11:20:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 332 transitions. [2018-09-30 11:20:32,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:20:32,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 90 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:37,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 203 states and 340 transitions. [2018-09-30 11:20:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 340 transitions. [2018-09-30 11:20:37,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:20:37,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:41,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 207 states and 347 transitions. [2018-09-30 11:20:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 347 transitions. [2018-09-30 11:20:41,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:20:41,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:43,450 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 90 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:44,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:44,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 209 states and 353 transitions. [2018-09-30 11:20:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 353 transitions. [2018-09-30 11:20:44,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:20:44,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:46,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:46,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 211 states and 355 transitions. [2018-09-30 11:20:46,100 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 355 transitions. [2018-09-30 11:20:46,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:20:46,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:47,175 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 221 states and 370 transitions. [2018-09-30 11:20:52,359 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 370 transitions. [2018-09-30 11:20:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:20:52,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:52,395 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:53,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 223 states and 372 transitions. [2018-09-30 11:20:53,643 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 372 transitions. [2018-09-30 11:20:53,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:20:53,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:56,455 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 110 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:20:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:20:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 227 states and 380 transitions. [2018-09-30 11:20:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 380 transitions. [2018-09-30 11:20:59,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:20:59,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:20:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:20:59,771 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 112 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:21:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:21:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 231 states and 387 transitions. [2018-09-30 11:21:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 387 transitions. [2018-09-30 11:21:02,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:21:02,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:21:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:21:04,795 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 110 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:21:05,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:21:05,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 233 states and 393 transitions. [2018-09-30 11:21:05,963 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 393 transitions. [2018-09-30 11:21:05,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:21:05,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:21:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:21:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 112 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:21:06,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:21:06,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 235 states and 395 transitions. [2018-09-30 11:21:06,815 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 395 transitions. [2018-09-30 11:21:06,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:21:06,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:21:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:21:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:21:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:21:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 245 states and 410 transitions. [2018-09-30 11:21:14,239 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 410 transitions. [2018-09-30 11:21:14,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:21:14,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:21:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:21:14,284 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:21:15,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:21:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 247 states and 412 transitions. [2018-09-30 11:21:15,401 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 412 transitions. [2018-09-30 11:21:15,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:21:15,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:21:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:21:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 132 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:21:21,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:21:21,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 251 states and 420 transitions. [2018-09-30 11:21:21,785 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 420 transitions. [2018-09-30 11:21:21,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:21:21,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:21:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:21:22,395 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 134 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:21:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:21:25,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 255 states and 427 transitions. [2018-09-30 11:21:25,151 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 427 transitions. [2018-09-30 11:21:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:21:25,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:21:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:21:29,184 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 132 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:21:30,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:21:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 257 states and 433 transitions. [2018-09-30 11:21:30,457 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 433 transitions. [2018-09-30 11:21:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:21:30,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:21:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:21:30,492 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 134 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:21:31,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:21:31,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 259 states and 435 transitions. [2018-09-30 11:21:31,332 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 435 transitions. [2018-09-30 11:21:31,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:21:31,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:21:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:21:32,817 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:21:39,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:21:39,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 269 states and 450 transitions. [2018-09-30 11:21:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 450 transitions. [2018-09-30 11:21:39,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:21:39,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:21:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:21:39,318 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:21:41,418 WARN L178 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2018-09-30 11:21:42,934 WARN L178 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-09-30 11:21:44,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:21:44,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 271 states and 452 transitions. [2018-09-30 11:21:44,217 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 452 transitions. [2018-09-30 11:21:44,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:21:44,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:21:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:21:48,182 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 156 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:21:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:21:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 275 states and 460 transitions. [2018-09-30 11:21:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 460 transitions. [2018-09-30 11:21:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:21:51,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:21:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:21:52,656 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 158 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:21:55,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:21:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 279 states and 467 transitions. [2018-09-30 11:21:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 467 transitions. [2018-09-30 11:21:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:21:55,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:21:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:21:59,407 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 156 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:22:00,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:00,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 281 states and 473 transitions. [2018-09-30 11:22:00,971 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 473 transitions. [2018-09-30 11:22:00,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:22:00,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:01,050 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 158 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:22:01,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:01,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 283 states and 475 transitions. [2018-09-30 11:22:01,950 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 475 transitions. [2018-09-30 11:22:01,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 11:22:01,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:22:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:10,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 293 states and 490 transitions. [2018-09-30 11:22:10,745 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 490 transitions. [2018-09-30 11:22:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 11:22:10,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:10,788 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:22:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:12,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 295 states and 492 transitions. [2018-09-30 11:22:12,140 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 492 transitions. [2018-09-30 11:22:12,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 11:22:12,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:16,504 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 182 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:22:20,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 299 states and 500 transitions. [2018-09-30 11:22:20,294 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 500 transitions. [2018-09-30 11:22:20,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 11:22:20,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 184 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:22:25,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:25,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 303 states and 507 transitions. [2018-09-30 11:22:25,946 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 507 transitions. [2018-09-30 11:22:25,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 11:22:25,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:30,148 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 182 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:22:31,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:31,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 305 states and 513 transitions. [2018-09-30 11:22:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 513 transitions. [2018-09-30 11:22:31,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 11:22:31,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:31,830 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 184 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:22:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 307 states and 515 transitions. [2018-09-30 11:22:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 515 transitions. [2018-09-30 11:22:32,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 11:22:32,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:22:38,541 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2018-09-30 11:22:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 317 states and 530 transitions. [2018-09-30 11:22:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 530 transitions. [2018-09-30 11:22:42,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 11:22:42,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:22:44,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:44,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 319 states and 532 transitions. [2018-09-30 11:22:44,321 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 532 transitions. [2018-09-30 11:22:44,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 11:22:44,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 210 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:22:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:53,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 323 states and 540 transitions. [2018-09-30 11:22:53,727 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 540 transitions. [2018-09-30 11:22:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 11:22:53,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:22:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 212 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:22:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:22:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 327 states and 547 transitions. [2018-09-30 11:22:59,117 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 547 transitions. [2018-09-30 11:22:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 11:22:59,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:22:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:04,882 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 210 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:06,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 329 states and 553 transitions. [2018-09-30 11:23:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 553 transitions. [2018-09-30 11:23:06,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 11:23:06,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:06,733 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 212 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:23:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:23:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 331 states and 555 transitions. [2018-09-30 11:23:07,802 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 555 transitions. [2018-09-30 11:23:07,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 11:23:07,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:23:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:23:09,706 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... [2018-09-30 11:23:10,958 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 11:23:10,960 INFO L168 Benchmark]: Toolchain (without parser) took 242578.14 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 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 318.1 MB. Max. memory is 7.1 GB. [2018-09-30 11:23:10,961 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:23:10,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:23:10,962 INFO L168 Benchmark]: Boogie Preprocessor took 22.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:23:10,963 INFO L168 Benchmark]: RCFGBuilder took 394.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 11:23:10,963 INFO L168 Benchmark]: CodeCheck took 242109.47 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 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 297.0 MB. Max. memory is 7.1 GB. [2018-09-30 11:23:10,967 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 913 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 394.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 242109.47 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 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 297.0 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/invert_string.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_11-23-10-979.csv Completed graceful shutdown