java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:52:57,142 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:52:57,144 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:52:57,161 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:52:57,162 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:52:57,163 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:52:57,165 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:52:57,175 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:52:57,178 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:52:57,179 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:52:57,180 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:52:57,181 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:52:57,183 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:52:57,184 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:52:57,192 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:52:57,192 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:52:57,193 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:52:57,197 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:52:57,199 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:52:57,201 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:52:57,202 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:52:57,203 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:52:57,205 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:52:57,205 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:52:57,205 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:52:57,206 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:52:57,207 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:52:57,208 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:52:57,208 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:52:57,209 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:52:57,209 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:52:57,210 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:52:57,210 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:52:57,211 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:52:57,211 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:52:57,212 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:52:57,212 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-30 21:52:57,236 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:52:57,237 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:52:57,238 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:52:57,239 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:52:57,239 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:52:57,240 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:52:57,240 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:52:57,240 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:52:57,240 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:52:57,243 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:52:57,243 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:52:57,243 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:52:57,243 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:52:57,244 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:52:57,244 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:52:57,244 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:52:57,244 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:52:57,244 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:52:57,245 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:52:57,245 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 21:52:57,245 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:52:57,245 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:52:57,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:52:57,247 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:52:57,247 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:52:57,247 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:52:57,247 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:52:57,248 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:52:57,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:52:57,248 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:52:57,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:52:57,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:52:57,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:52:57,323 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:52:57,324 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:52:57,324 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl [2018-09-30 21:52:57,325 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl' [2018-09-30 21:52:57,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:52:57,395 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:52:57,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:52:57,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:52:57,398 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:52:57,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:57" (1/1) ... [2018-09-30 21:52:57,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:57" (1/1) ... [2018-09-30 21:52:57,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:52:57,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:52:57,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:52:57,439 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:52:57,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:57" (1/1) ... [2018-09-30 21:52:57,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:57" (1/1) ... [2018-09-30 21:52:57,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:57" (1/1) ... [2018-09-30 21:52:57,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:57" (1/1) ... [2018-09-30 21:52:57,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:57" (1/1) ... [2018-09-30 21:52:57,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:57" (1/1) ... [2018-09-30 21:52:57,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:57" (1/1) ... [2018-09-30 21:52:57,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:52:57,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:52:57,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:52:57,459 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:52:57,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:57" (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 21:52:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:52:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:52:57,845 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:52:57,845 INFO L202 PluginConnector]: Adding new model up.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:52:57 BoogieIcfgContainer [2018-09-30 21:52:57,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:52:57,846 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:52:57,846 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:52:57,855 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:52:57,856 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:52:57" (1/1) ... [2018-09-30 21:52:57,872 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 21:52:57,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:57,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-30 21:52:57,910 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-30 21:52:57,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:52:57,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:58,175 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 21:52:58,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:58,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-09-30 21:52:58,794 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-09-30 21:52:58,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:52:58,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:58,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:00,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:00,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-09-30 21:53:00,365 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-09-30 21:53:00,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:53:00,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:00,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:01,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:01,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-09-30 21:53:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-09-30 21:53:01,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:53:01,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:01,553 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:03,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:03,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-09-30 21:53:03,086 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-09-30 21:53:03,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:53:03,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:03,203 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-09-30 21:53:04,515 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-09-30 21:53:04,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:53:04,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:04,790 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:06,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:06,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-09-30 21:53:06,501 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-09-30 21:53:06,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:53:06,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:06,656 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:08,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:08,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-09-30 21:53:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-09-30 21:53:08,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:53:08,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:08,174 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:09,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:09,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-09-30 21:53:09,307 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-09-30 21:53:09,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:53:09,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:09,460 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:11,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:11,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-09-30 21:53:11,166 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-09-30 21:53:11,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:53:11,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:11,408 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-09-30 21:53:12,766 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-09-30 21:53:12,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:53:12,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:12,935 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:14,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:14,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-09-30 21:53:14,447 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-09-30 21:53:14,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:53:14,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:16,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-09-30 21:53:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-09-30 21:53:16,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:53:16,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:16,534 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:18,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:18,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-09-30 21:53:18,417 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-09-30 21:53:18,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:53:18,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:21,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:21,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-09-30 21:53:21,058 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-09-30 21:53:21,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:53:21,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:23,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:23,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-09-30 21:53:23,686 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-09-30 21:53:23,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:53:23,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:26,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:26,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-09-30 21:53:26,070 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-09-30 21:53:26,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:53:26,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:26,368 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:28,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:28,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-09-30 21:53:28,741 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-09-30 21:53:28,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:53:28,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:29,158 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:31,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-09-30 21:53:31,348 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-09-30 21:53:31,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:53:31,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:31,556 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:34,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-09-30 21:53:34,168 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-09-30 21:53:34,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:53:34,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:35,358 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:37,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:37,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-09-30 21:53:37,917 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-09-30 21:53:37,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:53:37,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:41,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:41,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-09-30 21:53:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-09-30 21:53:41,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:53:41,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:41,516 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:44,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-09-30 21:53:44,804 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-09-30 21:53:44,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:53:44,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:45,857 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:49,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:49,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-09-30 21:53:49,047 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-09-30 21:53:49,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:53:49,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:53,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:53,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-09-30 21:53:53,739 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-09-30 21:53:53,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:53:53,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:57,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:57,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-09-30 21:53:57,391 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-09-30 21:53:57,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:53:57,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:01,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:01,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-09-30 21:54:01,491 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-09-30 21:54:01,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:54:01,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:01,767 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:05,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:05,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-09-30 21:54:05,667 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-09-30 21:54:05,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:54:05,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:10,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:10,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-09-30 21:54:10,136 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-09-30 21:54:10,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 21:54:10,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:14,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:14,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-09-30 21:54:14,732 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-09-30 21:54:14,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 21:54:14,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:15,213 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:19,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-09-30 21:54:19,618 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-09-30 21:54:19,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 21:54:19,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:24,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:24,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-09-30 21:54:24,892 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-09-30 21:54:24,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 21:54:24,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:30,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-09-30 21:54:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-09-30 21:54:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 21:54:30,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:36,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-09-30 21:54:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-09-30 21:54:36,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 21:54:36,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:37,293 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:42,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:42,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-09-30 21:54:42,730 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-09-30 21:54:42,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 21:54:42,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:49,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-09-30 21:54:49,134 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-09-30 21:54:49,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 21:54:49,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:49,814 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:56,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:56,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-09-30 21:54:56,030 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-09-30 21:54:56,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 21:54:56,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:02,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-09-30 21:55:02,782 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-09-30 21:55:02,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 21:55:02,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:09,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:09,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-09-30 21:55:09,811 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-09-30 21:55:09,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 21:55:09,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:10,256 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:20,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:20,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-09-30 21:55:20,805 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-09-30 21:55:20,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 21:55:20,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:28,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:28,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-09-30 21:55:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-09-30 21:55:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 21:55:28,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:36,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:36,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-09-30 21:55:36,402 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-09-30 21:55:36,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 21:55:36,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:44,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:44,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-09-30 21:55:44,771 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-09-30 21:55:44,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 21:55:44,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:45,324 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-09-30 21:55:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-09-30 21:55:53,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 21:55:53,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:54,207 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:02,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-09-30 21:56:02,162 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-09-30 21:56:02,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 21:56:02,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:02,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:11,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:11,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-09-30 21:56:11,269 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-09-30 21:56:11,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 21:56:11,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:12,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:20,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-09-30 21:56:20,949 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-09-30 21:56:20,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-30 21:56:20,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:21,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:31,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-09-30 21:56:31,353 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-09-30 21:56:31,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-30 21:56:31,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:32,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:41,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:41,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-09-30 21:56:41,687 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-09-30 21:56:41,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-30 21:56:41,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:52,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:52,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-09-30 21:56:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-09-30 21:56:52,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-30 21:56:52,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:57:04,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:57:04,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 156 states and 508 transitions. [2018-09-30 21:57:04,012 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 508 transitions. [2018-09-30 21:57:04,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-30 21:57:04,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:57:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:57:04,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:57:15,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:57:15,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 160 states and 539 transitions. [2018-09-30 21:57:15,607 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 539 transitions. [2018-09-30 21:57:15,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-30 21:57:15,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:57:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-30 21:57:17,050 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-30 21:57:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:57:17,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:57:17,221 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-30 21:57:17,221 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 21:57:17,224 INFO L168 Benchmark]: Toolchain (without parser) took 259830.69 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -332.9 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 456.2 MB). Peak memory consumption was 123.2 MB. Max. memory is 7.1 GB. [2018-09-30 21:57:17,226 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-09-30 21:57:17,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.70 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. [2018-09-30 21:57:17,228 INFO L168 Benchmark]: Boogie Preprocessor took 20.12 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. [2018-09-30 21:57:17,228 INFO L168 Benchmark]: RCFGBuilder took 386.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:57:17,230 INFO L168 Benchmark]: CodeCheck took 259376.91 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -332.9 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 435.0 MB). Peak memory consumption was 102.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:57:17,236 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 TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 2 xjuncts. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 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 41.70 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 20.12 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 386.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 259376.91 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -332.9 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 435.0 MB). Peak memory consumption was 102.1 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/up.i_4.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-57-17-250.csv Completed graceful shutdown