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/toy/tooDifficultLoopInvariant/ArrayInit02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 04:00:31,444 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 04:00:31,446 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 04:00:31,459 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 04:00:31,459 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 04:00:31,460 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 04:00:31,461 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 04:00:31,463 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 04:00:31,465 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 04:00:31,466 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 04:00:31,467 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 04:00:31,467 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 04:00:31,468 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 04:00:31,469 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 04:00:31,470 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 04:00:31,471 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 04:00:31,471 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 04:00:31,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 04:00:31,475 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 04:00:31,477 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 04:00:31,478 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 04:00:31,480 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 04:00:31,484 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 04:00:31,484 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 04:00:31,485 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 04:00:31,486 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 04:00:31,487 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 04:00:31,488 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 04:00:31,491 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 04:00:31,492 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 04:00:31,492 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 04:00:31,493 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 04:00:31,493 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 04:00:31,493 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 04:00:31,497 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 04:00:31,498 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 04:00:31,498 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 [2018-10-01 04:00:31,531 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 04:00:31,532 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 04:00:31,533 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 04:00:31,533 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 04:00:31,534 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 04:00:31,535 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 04:00:31,535 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 04:00:31,535 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 04:00:31,535 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 04:00:31,535 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 04:00:31,536 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 04:00:31,536 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 04:00:31,536 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 04:00:31,536 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 04:00:31,537 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 04:00:31,537 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 04:00:31,537 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 04:00:31,537 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 04:00:31,537 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 04:00:31,538 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 04:00:31,538 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 04:00:31,538 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 04:00:31,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 04:00:31,540 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 04:00:31,540 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 04:00:31,540 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 04:00:31,540 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 04:00:31,540 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 04:00:31,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 04:00:31,541 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 04:00:31,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 04:00:31,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 04:00:31,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 04:00:31,631 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 04:00:31,632 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 04:00:31,633 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl [2018-10-01 04:00:31,633 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl' [2018-10-01 04:00:31,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 04:00:31,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 04:00:31,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 04:00:31,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 04:00:31,696 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 04:00:31,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:31" (1/1) ... [2018-10-01 04:00:31,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:31" (1/1) ... [2018-10-01 04:00:31,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 04:00:31,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 04:00:31,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 04:00:31,743 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 04:00:31,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:31" (1/1) ... [2018-10-01 04:00:31,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:31" (1/1) ... [2018-10-01 04:00:31,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:31" (1/1) ... [2018-10-01 04:00:31,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:31" (1/1) ... [2018-10-01 04:00:31,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:31" (1/1) ... [2018-10-01 04:00:31,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:31" (1/1) ... [2018-10-01 04:00:31,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:31" (1/1) ... [2018-10-01 04:00:31,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 04:00:31,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 04:00:31,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 04:00:31,770 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 04:00:31,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 04:00:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 04:00:31,847 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-01 04:00:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-01 04:00:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-01 04:00:32,228 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-01 04:00:32,228 INFO L202 PluginConnector]: Adding new model ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 04:00:32 BoogieIcfgContainer [2018-10-01 04:00:32,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 04:00:32,230 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 04:00:32,230 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 04:00:32,243 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 04:00:32,243 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 04:00:32" (1/1) ... [2018-10-01 04:00:32,275 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 04:00:32,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-10-01 04:00:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-10-01 04:00:32,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 04:00:32,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:32,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:32,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:32,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-01 04:00:32,995 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-01 04:00:32,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 04:00:32,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:34,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:34,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-10-01 04:00:34,774 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-10-01 04:00:34,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 04:00:34,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:34,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:36,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2018-10-01 04:00:36,109 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2018-10-01 04:00:36,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 04:00:36,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:37,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-10-01 04:00:37,521 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-10-01 04:00:37,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 04:00:37,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:39,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:39,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-10-01 04:00:39,213 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-10-01 04:00:39,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 04:00:39,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:41,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-10-01 04:00:41,771 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-10-01 04:00:41,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 04:00:41,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:41,890 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:43,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2018-10-01 04:00:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2018-10-01 04:00:43,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 04:00:43,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2018-10-01 04:00:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2018-10-01 04:00:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 04:00:45,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:45,976 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:48,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:48,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2018-10-01 04:00:48,111 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2018-10-01 04:00:48,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 04:00:48,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:48,450 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:50,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2018-10-01 04:00:50,638 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2018-10-01 04:00:50,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-01 04:00:50,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:50,874 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 40 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:53,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:53,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2018-10-01 04:00:53,230 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2018-10-01 04:00:53,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 04:00:53,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 75 transitions. [2018-10-01 04:00:56,436 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2018-10-01 04:00:56,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-01 04:00:56,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:00:56,665 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 57 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:00:59,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:00:59,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2018-10-01 04:00:59,898 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2018-10-01 04:00:59,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 04:00:59,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:00:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:00,381 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:04,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 54 states and 90 transitions. [2018-10-01 04:01:04,807 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2018-10-01 04:01:04,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-01 04:01:04,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 77 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:09,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:09,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 58 states and 103 transitions. [2018-10-01 04:01:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2018-10-01 04:01:09,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 04:01:09,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:13,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:13,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2018-10-01 04:01:13,406 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2018-10-01 04:01:13,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-01 04:01:13,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 100 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:18,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:18,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 65 states and 120 transitions. [2018-10-01 04:01:18,454 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2018-10-01 04:01:18,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 04:01:18,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:19,125 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:23,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 68 states and 123 transitions. [2018-10-01 04:01:23,268 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 123 transitions. [2018-10-01 04:01:23,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-01 04:01:23,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:24,385 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:29,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 138 transitions. [2018-10-01 04:01:29,225 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 138 transitions. [2018-10-01 04:01:29,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 04:01:29,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:29,853 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:34,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:34,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 75 states and 141 transitions. [2018-10-01 04:01:34,476 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 141 transitions. [2018-10-01 04:01:34,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-01 04:01:34,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 155 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:40,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:40,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 79 states and 157 transitions. [2018-10-01 04:01:40,159 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 157 transitions. [2018-10-01 04:01:40,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 04:01:40,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:40,882 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:46,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 82 states and 160 transitions. [2018-10-01 04:01:46,151 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 160 transitions. [2018-10-01 04:01:46,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 04:01:46,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:46,506 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 187 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:52,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 86 states and 177 transitions. [2018-10-01 04:01:52,916 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 177 transitions. [2018-10-01 04:01:52,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 04:01:52,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:01:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:01:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 89 states and 180 transitions. [2018-10-01 04:01:59,595 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 180 transitions. [2018-10-01 04:01:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 04:01:59,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:01:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:01:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 222 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:06,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 93 states and 198 transitions. [2018-10-01 04:02:06,777 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 198 transitions. [2018-10-01 04:02:06,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 04:02:06,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:07,646 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:14,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 96 states and 201 transitions. [2018-10-01 04:02:14,660 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 201 transitions. [2018-10-01 04:02:14,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 04:02:14,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:15,044 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 260 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:23,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:23,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 100 states and 220 transitions. [2018-10-01 04:02:23,034 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 220 transitions. [2018-10-01 04:02:23,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 04:02:23,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:31,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:31,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 103 states and 223 transitions. [2018-10-01 04:02:31,597 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 223 transitions. [2018-10-01 04:02:31,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 04:02:31,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 301 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:40,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:40,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 107 states and 243 transitions. [2018-10-01 04:02:40,553 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 243 transitions. [2018-10-01 04:02:40,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 04:02:40,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:41,985 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 421 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:02:50,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:02:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 110 states and 246 transitions. [2018-10-01 04:02:50,452 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 246 transitions. [2018-10-01 04:02:50,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-01 04:02:50,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:02:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:02:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 345 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:03:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:03:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 114 states and 267 transitions. [2018-10-01 04:03:00,463 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 267 transitions. [2018-10-01 04:03:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 04:03:00,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:03:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:03:01,595 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 481 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:03:11,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:03:11,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 117 states and 270 transitions. [2018-10-01 04:03:11,187 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 270 transitions. [2018-10-01 04:03:11,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-01 04:03:11,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:03:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:03:11,783 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 392 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:03:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:03:22,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 121 states and 292 transitions. [2018-10-01 04:03:22,632 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 292 transitions. [2018-10-01 04:03:22,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 04:03:22,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:03:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:03:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:03:34,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:03:34,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 124 states and 295 transitions. [2018-10-01 04:03:34,586 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 295 transitions. [2018-10-01 04:03:34,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-01 04:03:34,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:03:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:03:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 442 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:03:47,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:03:47,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 128 states and 318 transitions. [2018-10-01 04:03:47,784 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 318 transitions. [2018-10-01 04:03:47,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 04:03:47,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:03:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:03:49,129 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 0 proven. 613 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:04:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:04:00,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 131 states and 321 transitions. [2018-10-01 04:04:00,979 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 321 transitions. [2018-10-01 04:04:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-01 04:04:00,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:04:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:04:01,489 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 495 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:04:14,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:04:14,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 135 states and 345 transitions. [2018-10-01 04:04:14,621 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 345 transitions. [2018-10-01 04:04:14,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 04:04:14,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:04:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:04:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 0 proven. 685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:04:28,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:04:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 138 states and 348 transitions. [2018-10-01 04:04:28,622 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 348 transitions. [2018-10-01 04:04:28,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-01 04:04:28,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:04:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:04:29,226 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 551 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:04:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:04:43,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 142 states and 373 transitions. [2018-10-01 04:04:43,368 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 373 transitions. [2018-10-01 04:04:43,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 04:04:43,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:04:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:04:44,732 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 761 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:05:01,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:05:01,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 145 states and 376 transitions. [2018-10-01 04:05:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 376 transitions. [2018-10-01 04:05:01,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-01 04:05:01,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:05:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:05:02,631 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 610 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:05:17,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:05:17,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 149 states and 402 transitions. [2018-10-01 04:05:17,812 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 402 transitions. [2018-10-01 04:05:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 04:05:17,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:05:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:05:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 0 proven. 841 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:05:34,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:05:34,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 152 states and 405 transitions. [2018-10-01 04:05:34,027 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 405 transitions. [2018-10-01 04:05:34,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-01 04:05:34,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:05:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:05:36,140 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 672 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:05:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:05:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 156 states and 432 transitions. [2018-10-01 04:05:52,899 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 432 transitions. [2018-10-01 04:05:52,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-01 04:05:52,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:05:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:05:54,395 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 0 proven. 925 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:06:10,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:06:10,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 159 states and 435 transitions. [2018-10-01 04:06:10,585 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 435 transitions. [2018-10-01 04:06:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-01 04:06:10,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:06:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:06:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 737 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:06:29,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:06:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 163 states and 463 transitions. [2018-10-01 04:06:29,439 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 463 transitions. [2018-10-01 04:06:29,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-01 04:06:29,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:06:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:06:31,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 0 proven. 1013 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:06:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:06:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 166 states and 466 transitions. [2018-10-01 04:06:48,591 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 466 transitions. [2018-10-01 04:06:48,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-01 04:06:48,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:06:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:06:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 805 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:07:08,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:07:08,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 170 states and 495 transitions. [2018-10-01 04:07:08,854 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 495 transitions. [2018-10-01 04:07:08,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-01 04:07:08,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:07:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:07:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 0 proven. 1105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:07:29,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:07:29,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 173 states and 498 transitions. [2018-10-01 04:07:29,945 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 498 transitions. [2018-10-01 04:07:29,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-01 04:07:29,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:07:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:07:31,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 876 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:07:52,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:07:52,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 177 states and 528 transitions. [2018-10-01 04:07:52,238 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 528 transitions. [2018-10-01 04:07:52,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-01 04:07:52,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:07:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:07:54,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 0 proven. 1201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:08:14,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:08:14,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 180 states and 531 transitions. [2018-10-01 04:08:14,573 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 531 transitions. [2018-10-01 04:08:14,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-01 04:08:14,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:08:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:08:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 950 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:08:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:08:38,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 184 states and 562 transitions. [2018-10-01 04:08:38,418 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 562 transitions. [2018-10-01 04:08:38,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-01 04:08:38,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:08:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:08:40,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 0 proven. 1301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:09:02,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:09:02,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 187 states and 565 transitions. [2018-10-01 04:09:02,712 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 565 transitions. [2018-10-01 04:09:02,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-01 04:09:02,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:09:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:09:03,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 1027 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:09:28,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:09:28,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 191 states and 597 transitions. [2018-10-01 04:09:28,218 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 597 transitions. [2018-10-01 04:09:28,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-01 04:09:28,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:09:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:09:30,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 0 proven. 1405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:09:54,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:09:54,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 194 states and 600 transitions. [2018-10-01 04:09:54,231 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 600 transitions. [2018-10-01 04:09:54,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-01 04:09:54,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:09:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:09:55,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 1107 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:10:21,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:10:21,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 198 states and 633 transitions. [2018-10-01 04:10:21,501 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 633 transitions. [2018-10-01 04:10:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-01 04:10:21,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:10:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:10:23,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1513 backedges. 0 proven. 1513 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:10:49,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:10:49,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 201 states and 636 transitions. [2018-10-01 04:10:49,433 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 636 transitions. [2018-10-01 04:10:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-01 04:10:49,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:10:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:10:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 1190 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:11:18,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:11:18,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 205 states and 670 transitions. [2018-10-01 04:11:18,851 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 670 transitions. [2018-10-01 04:11:18,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-01 04:11:18,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:11:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:11:21,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 0 proven. 1625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:11:48,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:11:48,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 208 states and 673 transitions. [2018-10-01 04:11:48,806 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 673 transitions. [2018-10-01 04:11:48,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-01 04:11:48,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:11:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:11:49,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 1276 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:12:20,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:12:20,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 212 states and 708 transitions. [2018-10-01 04:12:20,492 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 708 transitions. [2018-10-01 04:12:20,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-01 04:12:20,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:12:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:12:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 0 proven. 1741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:12:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:12:52,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 215 states and 711 transitions. [2018-10-01 04:12:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 711 transitions. [2018-10-01 04:12:52,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-01 04:12:52,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:12:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:12:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 1365 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:13:26,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:13:26,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 219 states and 747 transitions. [2018-10-01 04:13:26,788 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 747 transitions. [2018-10-01 04:13:26,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-01 04:13:26,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:13:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:13:29,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1861 backedges. 0 proven. 1861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 04:14:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 04:14:01,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 222 states and 750 transitions. [2018-10-01 04:14:01,052 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 750 transitions. [2018-10-01 04:14:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-01 04:14:01,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 04:14:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 04:14:02,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 1457 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown