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-c372c2b [2018-10-02 13:21:34,218 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 13:21:34,220 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 13:21:34,231 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 13:21:34,232 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 13:21:34,233 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 13:21:34,234 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 13:21:34,236 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 13:21:34,237 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 13:21:34,238 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 13:21:34,239 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 13:21:34,239 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 13:21:34,240 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 13:21:34,241 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 13:21:34,242 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 13:21:34,243 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 13:21:34,244 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 13:21:34,246 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 13:21:34,248 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 13:21:34,249 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 13:21:34,250 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 13:21:34,252 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 13:21:34,254 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 13:21:34,254 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 13:21:34,255 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 13:21:34,255 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 13:21:34,256 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 13:21:34,257 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 13:21:34,258 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 13:21:34,259 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 13:21:34,259 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 13:21:34,260 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 13:21:34,260 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 13:21:34,261 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 13:21:34,262 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 13:21:34,262 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 13:21:34,263 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 [2018-10-02 13:21:34,278 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 13:21:34,279 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 13:21:34,279 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 13:21:34,280 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 13:21:34,280 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 13:21:34,280 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 13:21:34,281 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 13:21:34,281 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 13:21:34,281 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 13:21:34,281 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 13:21:34,281 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 13:21:34,282 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 13:21:34,282 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 13:21:34,282 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 13:21:34,282 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 13:21:34,282 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 13:21:34,282 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 13:21:34,283 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 13:21:34,283 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 13:21:34,283 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-02 13:21:34,283 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 13:21:34,283 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 13:21:34,284 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 13:21:34,284 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 13:21:34,284 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 13:21:34,284 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 13:21:34,285 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 13:21:34,285 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 13:21:34,285 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 13:21:34,285 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 13:21:34,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 13:21:34,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 13:21:34,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 13:21:34,348 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 13:21:34,348 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 13:21:34,349 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl [2018-10-02 13:21:34,349 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl' [2018-10-02 13:21:34,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 13:21:34,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 13:21:34,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 13:21:34,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 13:21:34,401 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 13:21:34,421 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 02.10 01:21:34" (1/1) ... [2018-10-02 13:21:34,433 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 02.10 01:21:34" (1/1) ... [2018-10-02 13:21:34,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 13:21:34,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 13:21:34,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 13:21:34,442 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 13:21:34,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:21:34" (1/1) ... [2018-10-02 13:21:34,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:21:34" (1/1) ... [2018-10-02 13:21:34,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:21:34" (1/1) ... [2018-10-02 13:21:34,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:21:34" (1/1) ... [2018-10-02 13:21:34,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:21:34" (1/1) ... [2018-10-02 13:21:34,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:21:34" (1/1) ... [2018-10-02 13:21:34,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:21:34" (1/1) ... [2018-10-02 13:21:34,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 13:21:34,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 13:21:34,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 13:21:34,463 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 13:21:34,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:21:34" (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 [2018-10-02 13:21:34,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-02 13:21:34,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-02 13:21:34,774 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-02 13:21:34,774 INFO L202 PluginConnector]: Adding new model up.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:21:34 BoogieIcfgContainer [2018-10-02 13:21:34,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 13:21:34,775 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 13:21:34,775 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 13:21:34,787 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 13:21:34,787 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:21:34" (1/1) ... [2018-10-02 13:21:34,800 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 13:21:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:34,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-02 13:21:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-02 13:21:34,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 13:21:34,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:35,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:35,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-02 13:21:35,720 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-02 13:21:35,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 13:21:35,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:35,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:37,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:37,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-10-02 13:21:37,317 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-10-02 13:21:37,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 13:21:37,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:37,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:38,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-10-02 13:21:38,182 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-10-02 13:21:38,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 13:21:38,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:39,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-10-02 13:21:39,798 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-10-02 13:21:39,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 13:21:39,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:39,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:41,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-10-02 13:21:41,512 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-10-02 13:21:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 13:21:41,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:43,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:43,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-10-02 13:21:43,320 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-10-02 13:21:43,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 13:21:43,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:44,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-10-02 13:21:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-10-02 13:21:44,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 13:21:44,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:44,790 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:45,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:45,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-10-02 13:21:45,943 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-10-02 13:21:45,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-02 13:21:45,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:46,108 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:47,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:47,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-10-02 13:21:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-10-02 13:21:47,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-02 13:21:47,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:47,708 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:48,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:48,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-10-02 13:21:48,940 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-10-02 13:21:48,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-02 13:21:48,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:49,164 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:50,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-10-02 13:21:50,455 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-10-02 13:21:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-02 13:21:50,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:50,623 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-10-02 13:21:52,225 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-10-02 13:21:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 13:21:52,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:55,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:55,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-10-02 13:21:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-10-02 13:21:55,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 13:21:55,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:55,469 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:21:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:21:58,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-10-02 13:21:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-10-02 13:21:58,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-02 13:21:58,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:21:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:21:59,166 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:01,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:01,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-10-02 13:22:01,483 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-10-02 13:22:01,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-02 13:22:01,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:03,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:03,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-10-02 13:22:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-10-02 13:22:03,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-02 13:22:03,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:04,159 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:06,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:06,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-10-02 13:22:06,216 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-10-02 13:22:06,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-02 13:22:06,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:09,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:09,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-10-02 13:22:09,120 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-10-02 13:22:09,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-02 13:22:09,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:09,446 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-10-02 13:22:11,692 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-10-02 13:22:11,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-02 13:22:11,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:15,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-10-02 13:22:15,269 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-10-02 13:22:15,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-02 13:22:15,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:18,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-10-02 13:22:18,896 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-10-02 13:22:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 13:22:18,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:22,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:22,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-10-02 13:22:22,430 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-10-02 13:22:22,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-02 13:22:22,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:26,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-10-02 13:22:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-10-02 13:22:26,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-02 13:22:26,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:26,509 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:30,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-10-02 13:22:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-10-02 13:22:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-02 13:22:30,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:34,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:34,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-10-02 13:22:34,851 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-10-02 13:22:34,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-02 13:22:34,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:35,168 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:38,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-10-02 13:22:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-10-02 13:22:38,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-02 13:22:38,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:42,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:42,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-10-02 13:22:42,915 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-10-02 13:22:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-02 13:22:42,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:43,263 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:47,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:47,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-10-02 13:22:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-10-02 13:22:47,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-02 13:22:47,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:48,004 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:51,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-10-02 13:22:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-10-02 13:22:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-02 13:22:51,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:52,270 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:56,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:56,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-10-02 13:22:56,523 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-10-02 13:22:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-02 13:22:56,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:57,095 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:01,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:01,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-10-02 13:23:01,281 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-10-02 13:23:01,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-02 13:23:01,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:01,776 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-10-02 13:23:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-10-02 13:23:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-02 13:23:06,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:07,409 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-10-02 13:23:12,019 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-10-02 13:23:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-02 13:23:12,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:17,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:17,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-10-02 13:23:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-10-02 13:23:17,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-02 13:23:17,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-10-02 13:23:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-10-02 13:23:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-02 13:23:23,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:29,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:29,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-10-02 13:23:29,667 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-10-02 13:23:29,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-02 13:23:29,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:30,272 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:35,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:35,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-10-02 13:23:35,972 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-10-02 13:23:35,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-02 13:23:35,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:43,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:43,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-10-02 13:23:43,143 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-10-02 13:23:43,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-02 13:23:43,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:43,879 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:53,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:53,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-10-02 13:23:53,450 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-10-02 13:23:53,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-02 13:23:53,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:53,932 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-10-02 13:24:01,318 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-10-02 13:24:01,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-02 13:24:01,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:09,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:09,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-10-02 13:24:09,487 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-10-02 13:24:09,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-02 13:24:09,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:18,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-10-02 13:24:18,548 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-10-02 13:24:18,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-02 13:24:18,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:26,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:26,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-10-02 13:24:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-10-02 13:24:26,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-02 13:24:26,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:35,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-10-02 13:24:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-10-02 13:24:35,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-02 13:24:35,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:44,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:44,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-10-02 13:24:44,922 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-10-02 13:24:44,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-02 13:24:44,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:45,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:54,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:54,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-10-02 13:24:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-10-02 13:24:54,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-02 13:24:54,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:04,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-10-02 13:25:04,268 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-10-02 13:25:04,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-02 13:25:04,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:04,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:14,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:14,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-10-02 13:25:14,355 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-10-02 13:25:14,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-02 13:25:14,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:25,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:25,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-10-02 13:25:25,698 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-10-02 13:25:25,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-02 13:25:25,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:26,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:37,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:37,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 156 states and 508 transitions. [2018-10-02 13:25:37,460 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 508 transitions. [2018-10-02 13:25:37,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-02 13:25:37,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:25:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:25:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 160 states and 539 transitions. [2018-10-02 13:25:49,162 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 539 transitions. [2018-10-02 13:25:49,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-02 13:25:49,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:25:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:25:49,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown