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 0.1.23-133090d [2018-10-04 10:33:07,219 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:33:07,221 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:33:07,234 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:33:07,235 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:33:07,236 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:33:07,237 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:33:07,239 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:33:07,240 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:33:07,241 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:33:07,242 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:33:07,242 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:33:07,243 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:33:07,244 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:33:07,245 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:33:07,246 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:33:07,247 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:33:07,249 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:33:07,250 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:33:07,252 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:33:07,253 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:33:07,254 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:33:07,257 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:33:07,257 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:33:07,257 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:33:07,258 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:33:07,259 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:33:07,260 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:33:07,261 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:33:07,262 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:33:07,262 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:33:07,263 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:33:07,263 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:33:07,263 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:33:07,264 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:33:07,265 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:33:07,266 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 [2018-10-04 10:33:07,281 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:33:07,281 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:33:07,282 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:33:07,283 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:33:07,285 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:33:07,285 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:33:07,285 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:33:07,286 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:33:07,286 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:33:07,286 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:33:07,286 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:33:07,286 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:33:07,286 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:33:07,287 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:33:07,287 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:33:07,287 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:33:07,287 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:33:07,287 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:33:07,288 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:33:07,288 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 10:33:07,288 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:33:07,288 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:33:07,288 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:33:07,289 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:33:07,289 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:33:07,289 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:33:07,289 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:33:07,289 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:33:07,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:33:07,290 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:33:07,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:33:07,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:33:07,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:33:07,379 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:33:07,380 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:33:07,380 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-10-04 10:33:07,380 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl' [2018-10-04 10:33:07,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:33:07,428 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:33:07,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:33:07,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:33:07,429 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:33:07,449 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 04.10 10:33:07" (1/1) ... [2018-10-04 10:33:07,462 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 04.10 10:33:07" (1/1) ... [2018-10-04 10:33:07,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:33:07,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:33:07,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:33:07,471 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:33:07,482 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 04.10 10:33:07" (1/1) ... [2018-10-04 10:33:07,482 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 04.10 10:33:07" (1/1) ... [2018-10-04 10:33:07,483 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 04.10 10:33:07" (1/1) ... [2018-10-04 10:33:07,483 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 04.10 10:33:07" (1/1) ... [2018-10-04 10:33:07,487 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 04.10 10:33:07" (1/1) ... [2018-10-04 10:33:07,489 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 04.10 10:33:07" (1/1) ... [2018-10-04 10:33:07,490 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 04.10 10:33:07" (1/1) ... [2018-10-04 10:33:07,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:33:07,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:33:07,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:33:07,493 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:33:07,494 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 04.10 10:33:07" (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 [2018-10-04 10:33:07,570 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-04 10:33:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 10:33:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 10:33:07,911 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 10:33:07,912 INFO L202 PluginConnector]: Adding new model down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:33:07 BoogieIcfgContainer [2018-10-04 10:33:07,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:33:07,913 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:33:07,913 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:33:07,924 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:33:07,924 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 04.10 10:33:07" (1/1) ... [2018-10-04 10:33:07,938 INFO L104 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 10:33:07,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:07,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-04 10:33:07,972 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-04 10:33:07,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:33:07,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:08,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:08,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 8 states and 12 transitions. [2018-10-04 10:33:08,455 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 12 transitions. [2018-10-04 10:33:08,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:33:08,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:10,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:10,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-10-04 10:33:10,130 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-10-04 10:33:10,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:33:10,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:10,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:10,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:10,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-10-04 10:33:10,920 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-10-04 10:33:10,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:33:10,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:11,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:11,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-10-04 10:33:11,819 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-10-04 10:33:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:33:11,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:12,285 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 22 new depth: 14 [2018-10-04 10:33:13,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:13,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2018-10-04 10:33:13,259 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2018-10-04 10:33:13,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:33:13,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:14,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:14,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2018-10-04 10:33:14,697 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2018-10-04 10:33:14,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:33:14,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:14,852 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:16,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:16,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2018-10-04 10:33:16,001 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2018-10-04 10:33:16,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 10:33:16,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:16,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:16,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 50 transitions. [2018-10-04 10:33:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 50 transitions. [2018-10-04 10:33:16,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 10:33:16,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:17,103 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:17,347 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 32 new depth: 22 [2018-10-04 10:33:17,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:17,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 28 states and 60 transitions. [2018-10-04 10:33:17,992 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 60 transitions. [2018-10-04 10:33:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:33:17,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:18,105 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:19,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:19,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2018-10-04 10:33:19,168 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2018-10-04 10:33:19,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:33:19,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:20,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:20,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 74 transitions. [2018-10-04 10:33:20,717 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 74 transitions. [2018-10-04 10:33:20,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 10:33:20,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:20,845 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 35 states and 77 transitions. [2018-10-04 10:33:21,890 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 77 transitions. [2018-10-04 10:33:21,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 10:33:21,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:24,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:24,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 38 states and 89 transitions. [2018-10-04 10:33:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 89 transitions. [2018-10-04 10:33:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:33:24,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:24,472 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 42 new depth: 32 [2018-10-04 10:33:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:27,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:27,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 40 states and 92 transitions. [2018-10-04 10:33:27,118 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 92 transitions. [2018-10-04 10:33:27,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 10:33:27,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:27,405 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 56 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:29,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:29,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 43 states and 105 transitions. [2018-10-04 10:33:29,487 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 105 transitions. [2018-10-04 10:33:29,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 10:33:29,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 36 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:31,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:31,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 45 states and 108 transitions. [2018-10-04 10:33:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 108 transitions. [2018-10-04 10:33:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 10:33:31,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:32,090 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 72 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:33,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:33,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 48 states and 122 transitions. [2018-10-04 10:33:33,683 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 122 transitions. [2018-10-04 10:33:33,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:33:33,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:35,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 50 states and 125 transitions. [2018-10-04 10:33:35,548 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 125 transitions. [2018-10-04 10:33:35,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:33:35,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 90 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:37,697 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 54 new depth: 41 [2018-10-04 10:33:38,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:38,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 53 states and 140 transitions. [2018-10-04 10:33:38,663 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 140 transitions. [2018-10-04 10:33:38,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 10:33:38,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:39,402 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 55 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:41,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:41,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 55 states and 143 transitions. [2018-10-04 10:33:41,318 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 143 transitions. [2018-10-04 10:33:41,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 10:33:41,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:41,717 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 110 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:43,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 58 states and 159 transitions. [2018-10-04 10:33:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 159 transitions. [2018-10-04 10:33:43,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:33:43,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:43,749 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 66 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:46,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:46,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 60 states and 162 transitions. [2018-10-04 10:33:46,032 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 162 transitions. [2018-10-04 10:33:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:33:46,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:48,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 63 states and 179 transitions. [2018-10-04 10:33:48,483 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 179 transitions. [2018-10-04 10:33:48,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 10:33:48,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:49,225 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 78 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:51,310 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 62 new depth: 51 [2018-10-04 10:33:52,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 65 states and 182 transitions. [2018-10-04 10:33:52,475 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 182 transitions. [2018-10-04 10:33:52,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 10:33:52,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:52,989 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 156 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:55,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:55,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 68 states and 200 transitions. [2018-10-04 10:33:55,577 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 200 transitions. [2018-10-04 10:33:55,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 10:33:55,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 91 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:33:58,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:33:58,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 70 states and 203 transitions. [2018-10-04 10:33:58,829 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 203 transitions. [2018-10-04 10:33:58,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:33:58,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:33:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:33:59,194 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 182 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:34:01,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:34:01,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 73 states and 222 transitions. [2018-10-04 10:34:01,839 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 222 transitions. [2018-10-04 10:34:01,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 10:34:01,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:34:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:34:02,101 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 105 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:34:04,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:34:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 75 states and 225 transitions. [2018-10-04 10:34:04,952 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 225 transitions. [2018-10-04 10:34:04,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 10:34:04,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:34:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:34:05,394 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 210 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:34:07,083 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 72 new depth: 60 [2018-10-04 10:34:09,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:34:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 78 states and 245 transitions. [2018-10-04 10:34:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 245 transitions. [2018-10-04 10:34:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:34:09,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:34:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:34:09,528 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 120 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:34:12,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:34:12,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 80 states and 248 transitions. [2018-10-04 10:34:12,834 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 248 transitions. [2018-10-04 10:34:12,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 10:34:12,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:34:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:34:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 240 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:34:16,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:34:16,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 83 states and 269 transitions. [2018-10-04 10:34:16,811 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 269 transitions. [2018-10-04 10:34:16,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 10:34:16,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:34:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:34:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 136 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:34:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:34:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 85 states and 272 transitions. [2018-10-04 10:34:21,234 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 272 transitions. [2018-10-04 10:34:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 10:34:21,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:34:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:34:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 272 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:34:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:34:25,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 88 states and 294 transitions. [2018-10-04 10:34:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 294 transitions. [2018-10-04 10:34:25,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 10:34:25,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:34:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:34:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 153 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:34:28,745 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 81 new depth: 69 [2018-10-04 10:34:31,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:34:31,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 90 states and 297 transitions. [2018-10-04 10:34:31,743 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 297 transitions. [2018-10-04 10:34:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:34:31,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:34:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:34:32,504 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 306 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:34:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:34:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 93 states and 320 transitions. [2018-10-04 10:34:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 320 transitions. [2018-10-04 10:34:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 10:34:36,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:34:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:34:36,801 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 171 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:34:41,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:34:41,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 95 states and 323 transitions. [2018-10-04 10:34:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 323 transitions. [2018-10-04 10:34:41,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 10:34:41,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:34:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:34:41,658 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 342 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:34:46,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:34:46,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 98 states and 347 transitions. [2018-10-04 10:34:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 347 transitions. [2018-10-04 10:34:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:34:46,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:34:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:34:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 190 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:34:51,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:34:51,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 100 states and 350 transitions. [2018-10-04 10:34:51,004 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 350 transitions. [2018-10-04 10:34:51,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 10:34:51,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:34:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:34:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 380 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:34:55,897 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 93 new depth: 81 [2018-10-04 10:34:57,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:34:57,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 103 states and 375 transitions. [2018-10-04 10:34:57,339 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 375 transitions. [2018-10-04 10:34:57,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 10:34:57,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:34:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:34:57,720 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 210 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:35:06,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:35:06,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 105 states and 378 transitions. [2018-10-04 10:35:06,891 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 378 transitions. [2018-10-04 10:35:06,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 10:35:06,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:35:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:35:07,600 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 420 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:35:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:35:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 108 states and 404 transitions. [2018-10-04 10:35:13,155 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 404 transitions. [2018-10-04 10:35:13,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 10:35:13,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:35:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:35:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 231 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:35:19,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:35:19,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 110 states and 407 transitions. [2018-10-04 10:35:19,837 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 407 transitions. [2018-10-04 10:35:19,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 10:35:19,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:35:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:35:20,449 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 462 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:35:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:35:26,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 113 states and 434 transitions. [2018-10-04 10:35:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 434 transitions. [2018-10-04 10:35:26,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 10:35:26,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:35:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:35:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 253 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:35:32,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:35:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 115 states and 437 transitions. [2018-10-04 10:35:32,682 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 437 transitions. [2018-10-04 10:35:32,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 10:35:32,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:35:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:35:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 506 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:35:36,703 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 104 new depth: 93 [2018-10-04 10:35:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:35:41,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 118 states and 465 transitions. [2018-10-04 10:35:41,206 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 465 transitions. [2018-10-04 10:35:41,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 10:35:41,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:35:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:35:41,572 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 276 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:35:47,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:35:47,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 120 states and 468 transitions. [2018-10-04 10:35:47,978 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 468 transitions. [2018-10-04 10:35:47,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 10:35:47,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:35:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:35:49,183 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 552 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:35:55,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:35:55,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 123 states and 497 transitions. [2018-10-04 10:35:55,799 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 497 transitions. [2018-10-04 10:35:55,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 10:35:55,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:35:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:35:56,189 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 300 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:36:03,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:36:03,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 125 states and 500 transitions. [2018-10-04 10:36:03,249 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 500 transitions. [2018-10-04 10:36:03,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 10:36:03,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:36:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:36:04,716 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 600 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:36:12,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:36:12,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 128 states and 530 transitions. [2018-10-04 10:36:12,162 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 530 transitions. [2018-10-04 10:36:12,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 10:36:12,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:36:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:36:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 325 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:36:18,823 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 116 new depth: 105 [2018-10-04 10:36:22,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:36:22,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 130 states and 533 transitions. [2018-10-04 10:36:22,334 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 533 transitions. [2018-10-04 10:36:22,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 10:36:22,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:36:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:36:25,156 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 650 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:36:33,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:36:33,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 133 states and 564 transitions. [2018-10-04 10:36:33,102 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 564 transitions. [2018-10-04 10:36:33,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 10:36:33,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:36:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:36:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 351 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:36:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:36:42,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 135 states and 567 transitions. [2018-10-04 10:36:42,277 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 567 transitions. [2018-10-04 10:36:42,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 10:36:42,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:36:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:36:43,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 702 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:36:52,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:36:52,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 138 states and 599 transitions. [2018-10-04 10:36:52,853 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 599 transitions. [2018-10-04 10:36:52,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 10:36:52,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:36:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:36:53,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 378 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:37:03,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:37:03,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 140 states and 602 transitions. [2018-10-04 10:37:03,018 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 602 transitions. [2018-10-04 10:37:03,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 10:37:03,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:37:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:37:03,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 756 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:37:13,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:37:13,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 143 states and 635 transitions. [2018-10-04 10:37:13,360 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 635 transitions. [2018-10-04 10:37:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 10:37:13,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:37:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:37:15,296 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 128 new depth: 116 [2018-10-04 10:37:15,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 406 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown