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/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:43:31,147 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:43:31,150 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:43:31,169 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:43:31,171 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:43:31,172 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:43:31,174 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:43:31,176 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:43:31,182 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:43:31,185 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:43:31,187 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:43:31,187 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:43:31,188 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:43:31,191 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:43:31,193 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:43:31,201 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:43:31,203 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:43:31,204 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:43:31,208 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:43:31,210 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:43:31,213 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:43:31,214 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:43:31,217 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:43:31,218 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:43:31,218 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:43:31,220 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:43:31,221 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:43:31,222 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:43:31,223 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:43:31,226 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:43:31,227 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:43:31,228 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:43:31,228 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:43:31,228 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:43:31,229 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:43:31,230 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:43:31,231 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 [2018-09-26 22:43:31,255 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:43:31,255 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:43:31,256 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:43:31,256 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:43:31,257 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:43:31,257 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:43:31,257 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:43:31,257 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:43:31,258 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:43:31,258 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:43:31,258 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:43:31,258 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:43:31,259 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:43:31,260 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:43:31,260 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:43:31,260 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:43:31,260 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:43:31,260 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:43:31,260 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:43:31,261 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:43:31,261 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:43:31,261 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:43:31,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:43:31,263 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:43:31,263 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:43:31,263 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:43:31,263 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:43:31,263 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:43:31,263 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:43:31,264 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:43:31,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:43:31,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:43:31,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:43:31,343 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:43:31,343 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:43:31,345 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-09-26 22:43:31,345 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl' [2018-09-26 22:43:31,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:43:31,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:43:31,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:43:31,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:43:31,399 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:43:31,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:31" (1/1) ... [2018-09-26 22:43:31,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:31" (1/1) ... [2018-09-26 22:43:31,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:43:31,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:43:31,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:43:31,439 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:43:31,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:31" (1/1) ... [2018-09-26 22:43:31,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:31" (1/1) ... [2018-09-26 22:43:31,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:31" (1/1) ... [2018-09-26 22:43:31,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:31" (1/1) ... [2018-09-26 22:43:31,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:31" (1/1) ... [2018-09-26 22:43:31,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:31" (1/1) ... [2018-09-26 22:43:31,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:31" (1/1) ... [2018-09-26 22:43:31,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:43:31,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:43:31,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:43:31,459 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:43:31,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:31" (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 [2018-09-26 22:43:31,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 22:43:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:43:31,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:43:31,954 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:43:31,954 INFO L202 PluginConnector]: Adding new model down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:43:31 BoogieIcfgContainer [2018-09-26 22:43:31,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:43:31,955 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:43:31,955 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:43:31,969 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:43:31,969 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:43:31" (1/1) ... [2018-09-26 22:43:31,986 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:43:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:32,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-09-26 22:43:32,033 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-09-26 22:43:32,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:43:32,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:32,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:32,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 8 states and 12 transitions. [2018-09-26 22:43:32,950 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 12 transitions. [2018-09-26 22:43:32,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:43:32,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-09-26 22:43:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-09-26 22:43:35,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:43:35,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:35,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:38,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:38,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-09-26 22:43:38,077 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-09-26 22:43:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:43:38,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:38,206 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:39,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:39,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-09-26 22:43:39,508 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-09-26 22:43:39,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:43:39,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:41,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:41,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2018-09-26 22:43:41,652 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2018-09-26 22:43:41,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:43:41,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:44,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2018-09-26 22:43:44,337 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2018-09-26 22:43:44,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:43:44,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:44,619 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:47,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:47,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2018-09-26 22:43:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2018-09-26 22:43:47,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:43:47,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 50 transitions. [2018-09-26 22:43:51,626 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 50 transitions. [2018-09-26 22:43:51,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:43:51,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:52,315 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:56,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:56,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 28 states and 60 transitions. [2018-09-26 22:43:56,638 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 60 transitions. [2018-09-26 22:43:56,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:43:56,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:57,160 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:02,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:02,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2018-09-26 22:44:02,104 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2018-09-26 22:44:02,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:44:02,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:02,689 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:09,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 74 transitions. [2018-09-26 22:44:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 74 transitions. [2018-09-26 22:44:09,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:44:09,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:10,241 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:17,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:17,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 35 states and 77 transitions. [2018-09-26 22:44:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 77 transitions. [2018-09-26 22:44:17,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 22:44:17,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:18,500 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 38 states and 89 transitions. [2018-09-26 22:44:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 89 transitions. [2018-09-26 22:44:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:44:28,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:40,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:40,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 40 states and 92 transitions. [2018-09-26 22:44:40,325 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 92 transitions. [2018-09-26 22:44:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:44:40,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 56 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:56,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:56,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 43 states and 105 transitions. [2018-09-26 22:44:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 105 transitions. [2018-09-26 22:44:56,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:44:56,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:58,267 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 36 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:13,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 45 states and 108 transitions. [2018-09-26 22:45:13,272 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 108 transitions. [2018-09-26 22:45:13,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:45:13,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:14,701 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 72 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:35,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 48 states and 122 transitions. [2018-09-26 22:45:35,372 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 122 transitions. [2018-09-26 22:45:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:45:35,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:37,874 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:58,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 50 states and 125 transitions. [2018-09-26 22:45:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 125 transitions. [2018-09-26 22:45:58,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:45:58,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:46:00,380 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 90 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:46:28,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:46:28,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 53 states and 140 transitions. [2018-09-26 22:46:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 140 transitions. [2018-09-26 22:46:28,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:46:28,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:46:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:46:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 55 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:47:00,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:47:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 55 states and 143 transitions. [2018-09-26 22:47:00,712 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 143 transitions. [2018-09-26 22:47:00,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:47:00,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:47:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:03,060 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 110 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:47:42,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:47:42,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 58 states and 159 transitions. [2018-09-26 22:47:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 159 transitions. [2018-09-26 22:47:42,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:47:42,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:47:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:47,762 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 66 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown