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/real-life/threadpooling_out_Reals.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:38:52,398 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:38:52,400 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:38:52,419 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:38:52,420 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:38:52,421 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:38:52,423 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:38:52,425 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:38:52,428 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:38:52,434 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:38:52,439 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:38:52,439 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:38:52,440 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:38:52,441 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:38:52,442 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:38:52,443 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:38:52,444 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:38:52,446 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:38:52,448 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:38:52,449 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:38:52,450 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:38:52,451 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:38:52,454 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:38:52,454 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:38:52,454 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:38:52,455 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:38:52,456 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:38:52,457 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:38:52,458 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:38:52,459 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:38:52,459 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:38:52,460 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:38:52,460 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:38:52,460 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:38:52,461 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:38:52,462 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:38:52,462 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-26 22:38:52,489 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:38:52,490 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:38:52,490 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:38:52,491 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:38:52,491 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:38:52,491 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:38:52,492 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:38:52,492 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:38:52,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:38:52,492 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:38:52,493 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:38:52,493 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:38:52,493 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:38:52,493 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:38:52,493 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:38:52,494 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:38:52,494 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:38:52,494 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:38:52,494 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:38:52,494 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:38:52,494 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:38:52,495 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:38:52,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:38:52,495 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:38:52,495 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:38:52,495 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:38:52,496 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:38:52,496 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:38:52,496 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:38:52,496 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:38:52,560 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:38:52,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:38:52,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:38:52,585 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:38:52,586 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:38:52,587 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out_Reals.bpl [2018-09-26 22:38:52,587 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out_Reals.bpl' [2018-09-26 22:38:52,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:38:52,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:38:52,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:38:52,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:38:52,681 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:38:52,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:52" (1/1) ... [2018-09-26 22:38:52,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:52" (1/1) ... [2018-09-26 22:38:52,737 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 22:38:52,737 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 22:38:52,737 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 22:38:52,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:38:52,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:38:52,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:38:52,746 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:38:52,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:52" (1/1) ... [2018-09-26 22:38:52,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:52" (1/1) ... [2018-09-26 22:38:52,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:52" (1/1) ... [2018-09-26 22:38:52,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:52" (1/1) ... [2018-09-26 22:38:52,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:52" (1/1) ... [2018-09-26 22:38:52,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:52" (1/1) ... [2018-09-26 22:38:52,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:52" (1/1) ... [2018-09-26 22:38:52,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:38:52,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:38:52,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:38:52,793 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:38:52,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:38:52,881 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-26 22:38:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-26 22:38:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-26 22:38:53,783 INFO L343 CfgBuilder]: Using library mode [2018-09-26 22:38:53,784 INFO L202 PluginConnector]: Adding new model threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:38:53 BoogieIcfgContainer [2018-09-26 22:38:53,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:38:53,785 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:38:53,785 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:38:53,797 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:38:53,797 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:38:53" (1/1) ... [2018-09-26 22:38:53,812 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:38:53,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:53,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 127 transitions. [2018-09-26 22:38:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 127 transitions. [2018-09-26 22:38:53,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:38:53,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:54,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:55,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-09-26 22:38:55,585 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-09-26 22:38:55,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:38:55,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:56,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:57,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 76 states and 174 transitions. [2018-09-26 22:38:57,454 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 174 transitions. [2018-09-26 22:38:57,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:38:57,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:57,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:59,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:59,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 79 states and 184 transitions. [2018-09-26 22:38:59,749 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 184 transitions. [2018-09-26 22:38:59,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:38:59,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:59,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:00,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:00,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 186 transitions. [2018-09-26 22:39:00,166 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 186 transitions. [2018-09-26 22:39:00,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:39:00,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:00,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:00,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 81 states and 189 transitions. [2018-09-26 22:39:00,525 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 189 transitions. [2018-09-26 22:39:00,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:39:00,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:01,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:01,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 87 states and 207 transitions. [2018-09-26 22:39:01,690 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 207 transitions. [2018-09-26 22:39:01,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:39:01,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:01,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:01,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:02,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 88 states and 210 transitions. [2018-09-26 22:39:02,000 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 210 transitions. [2018-09-26 22:39:02,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:39:02,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:02,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:02,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:02,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 89 states and 213 transitions. [2018-09-26 22:39:02,436 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 213 transitions. [2018-09-26 22:39:02,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:39:02,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:02,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:02,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:02,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 90 states and 215 transitions. [2018-09-26 22:39:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 215 transitions. [2018-09-26 22:39:02,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:39:02,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:03,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:03,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 91 states and 220 transitions. [2018-09-26 22:39:03,310 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 220 transitions. [2018-09-26 22:39:03,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:39:03,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:03,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:03,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:03,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 92 states and 223 transitions. [2018-09-26 22:39:03,857 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 223 transitions. [2018-09-26 22:39:03,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:39:03,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:05,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:05,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-09-26 22:39:05,551 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-09-26 22:39:05,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:39:05,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:08,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 106 states and 277 transitions. [2018-09-26 22:39:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 277 transitions. [2018-09-26 22:39:08,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:39:08,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:14,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 114 states and 313 transitions. [2018-09-26 22:39:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 313 transitions. [2018-09-26 22:39:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:39:14,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:15,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 115 states and 315 transitions. [2018-09-26 22:39:15,584 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 315 transitions. [2018-09-26 22:39:15,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:39:15,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:16,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:16,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 116 states and 318 transitions. [2018-09-26 22:39:16,393 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 318 transitions. [2018-09-26 22:39:16,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:39:16,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:16,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:16,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 117 states and 321 transitions. [2018-09-26 22:39:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 321 transitions. [2018-09-26 22:39:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:39:16,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:17,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:17,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 118 states and 328 transitions. [2018-09-26 22:39:17,412 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 328 transitions. [2018-09-26 22:39:17,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:39:17,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:17,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:18,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 119 states and 332 transitions. [2018-09-26 22:39:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 332 transitions. [2018-09-26 22:39:18,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:39:18,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:18,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:19,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:19,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 120 states and 335 transitions. [2018-09-26 22:39:19,008 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 335 transitions. [2018-09-26 22:39:19,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:39:19,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:19,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:19,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 121 states and 343 transitions. [2018-09-26 22:39:19,857 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 343 transitions. [2018-09-26 22:39:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:39:19,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:24,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:24,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 127 states and 367 transitions. [2018-09-26 22:39:24,029 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 367 transitions. [2018-09-26 22:39:24,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:39:24,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:25,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:25,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 128 states and 370 transitions. [2018-09-26 22:39:25,927 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 370 transitions. [2018-09-26 22:39:25,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:39:25,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:26,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 129 states and 374 transitions. [2018-09-26 22:39:26,506 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 374 transitions. [2018-09-26 22:39:26,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:39:26,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:27,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 130 states and 378 transitions. [2018-09-26 22:39:27,322 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 378 transitions. [2018-09-26 22:39:27,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:39:27,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:28,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:28,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 131 states and 388 transitions. [2018-09-26 22:39:28,166 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 388 transitions. [2018-09-26 22:39:28,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:39:28,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:28,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:31,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:31,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 133 states and 396 transitions. [2018-09-26 22:39:31,204 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 396 transitions. [2018-09-26 22:39:31,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:39:31,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:31,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:33,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:33,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 134 states and 400 transitions. [2018-09-26 22:39:33,069 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 400 transitions. [2018-09-26 22:39:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:39:33,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:35,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:35,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 135 states and 404 transitions. [2018-09-26 22:39:35,275 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 404 transitions. [2018-09-26 22:39:35,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:39:35,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:35,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:36,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 136 states and 410 transitions. [2018-09-26 22:39:36,545 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 410 transitions. [2018-09-26 22:39:36,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:39:36,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:45,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:45,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 140 states and 429 transitions. [2018-09-26 22:39:45,563 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 429 transitions. [2018-09-26 22:39:45,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:39:45,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:45,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:46,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:46,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 141 states and 432 transitions. [2018-09-26 22:39:46,372 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 432 transitions. [2018-09-26 22:39:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:39:46,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:46,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:47,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 142 states and 435 transitions. [2018-09-26 22:39:47,261 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 435 transitions. [2018-09-26 22:39:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:39:47,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:47,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:48,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:48,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 147 states and 449 transitions. [2018-09-26 22:39:48,461 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 449 transitions. [2018-09-26 22:39:48,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:39:48,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:48,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:50,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:50,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 148 states and 453 transitions. [2018-09-26 22:39:50,119 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 453 transitions. [2018-09-26 22:39:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:39:50,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:51,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:54,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:54,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 150 states and 462 transitions. [2018-09-26 22:39:54,853 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 462 transitions. [2018-09-26 22:39:54,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:39:54,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:54,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:55,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:55,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 151 states and 465 transitions. [2018-09-26 22:39:55,719 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 465 transitions. [2018-09-26 22:39:55,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:39:55,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:55,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:56,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:56,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 152 states and 467 transitions. [2018-09-26 22:39:56,675 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 467 transitions. [2018-09-26 22:39:56,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:39:56,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:00,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:21,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:21,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 159 states and 494 transitions. [2018-09-26 22:40:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 494 transitions. [2018-09-26 22:40:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:40:21,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:26,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:56,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 166 states and 520 transitions. [2018-09-26 22:40:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 520 transitions. [2018-09-26 22:40:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:40:56,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:06,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 168 states and 529 transitions. [2018-09-26 22:41:06,777 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 529 transitions. [2018-09-26 22:41:06,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:41:06,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:06,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:18,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 171 states and 540 transitions. [2018-09-26 22:41:18,251 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 540 transitions. [2018-09-26 22:41:18,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:41:18,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:18,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:26,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:26,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 173 states and 545 transitions. [2018-09-26 22:41:26,775 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 545 transitions. [2018-09-26 22:41:26,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:41:26,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:26,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:36,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 174 states and 549 transitions. [2018-09-26 22:41:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 549 transitions. [2018-09-26 22:41:36,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:41:36,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:36,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:42,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:42,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 176 states and 560 transitions. [2018-09-26 22:41:42,980 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 560 transitions. [2018-09-26 22:41:42,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:41:42,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:45,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:45,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 178 states and 575 transitions. [2018-09-26 22:41:45,292 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 575 transitions. [2018-09-26 22:41:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:41:45,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:59,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:59,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 180 states and 581 transitions. [2018-09-26 22:41:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 581 transitions. [2018-09-26 22:41:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:41:59,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:59,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 182 states and 588 transitions. [2018-09-26 22:42:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 588 transitions. [2018-09-26 22:42:09,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:42:09,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:20,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:20,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 184 states and 600 transitions. [2018-09-26 22:42:20,601 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 600 transitions. [2018-09-26 22:42:20,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:42:20,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:20,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 185 states and 603 transitions. [2018-09-26 22:42:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 603 transitions. [2018-09-26 22:42:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:42:27,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:27,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:33,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 186 states and 605 transitions. [2018-09-26 22:42:33,810 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 605 transitions. [2018-09-26 22:42:33,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:42:33,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:33,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:39,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:39,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 187 states and 607 transitions. [2018-09-26 22:42:39,959 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 607 transitions. [2018-09-26 22:42:39,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:42:39,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:40,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 190 states and 628 transitions. [2018-09-26 22:42:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 628 transitions. [2018-09-26 22:42:46,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:42:46,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:53,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:09,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:09,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 192 states and 637 transitions. [2018-09-26 22:43:09,938 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 637 transitions. [2018-09-26 22:43:09,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:43:09,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:10,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:12,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:12,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 193 states and 644 transitions. [2018-09-26 22:43:12,255 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 644 transitions. [2018-09-26 22:43:12,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:43:12,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:17,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown