java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:45:19,780 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:45:19,782 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:45:19,799 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:45:19,800 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:45:19,801 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:45:19,803 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:45:19,806 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:45:19,808 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:45:19,808 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:45:19,811 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:45:19,811 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:45:19,812 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:45:19,813 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:45:19,814 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:45:19,815 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:45:19,815 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:45:19,817 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:45:19,819 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:45:19,821 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:45:19,822 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:45:19,823 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:45:19,825 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:45:19,825 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:45:19,826 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:45:19,827 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:45:19,827 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:45:19,828 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:45:19,829 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:45:19,830 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:45:19,830 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:45:19,831 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:45:19,831 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:45:19,831 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:45:19,834 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:45:19,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:45:19,835 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 [2018-09-30 21:45:19,854 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:45:19,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:45:19,855 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:45:19,856 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:45:19,857 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:45:19,857 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:45:19,857 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:45:19,858 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:45:19,858 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:45:19,859 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:45:19,859 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:45:19,859 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:45:19,859 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:45:19,859 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:45:19,860 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:45:19,860 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:45:19,860 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:45:19,860 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:45:19,860 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:45:19,861 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 21:45:19,861 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:45:19,861 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:45:19,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:45:19,862 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:45:19,863 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:45:19,863 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:45:19,863 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:45:19,863 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:45:19,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:45:19,864 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:45:19,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:45:19,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:45:19,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:45:19,937 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:45:19,937 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:45:19,938 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl [2018-09-30 21:45:19,939 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl' [2018-09-30 21:45:20,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:45:20,003 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:45:20,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:45:20,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:45:20,004 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:45:20,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:19" (1/1) ... [2018-09-30 21:45:20,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:19" (1/1) ... [2018-09-30 21:45:20,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:45:20,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:45:20,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:45:20,045 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:45:20,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:19" (1/1) ... [2018-09-30 21:45:20,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:19" (1/1) ... [2018-09-30 21:45:20,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:19" (1/1) ... [2018-09-30 21:45:20,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:19" (1/1) ... [2018-09-30 21:45:20,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:19" (1/1) ... [2018-09-30 21:45:20,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:19" (1/1) ... [2018-09-30 21:45:20,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:19" (1/1) ... [2018-09-30 21:45:20,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:45:20,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:45:20,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:45:20,065 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:45:20,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:19" (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 [2018-09-30 21:45:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:45:20,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:45:20,477 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:45:20,477 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:45:20 BoogieIcfgContainer [2018-09-30 21:45:20,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:45:20,478 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:45:20,478 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:45:20,491 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:45:20,492 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:45:20" (1/1) ... [2018-09-30 21:45:20,507 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 21:45:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:20,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-30 21:45:20,553 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-30 21:45:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:45:20,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:21,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:21,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-09-30 21:45:21,325 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-09-30 21:45:21,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:45:21,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:21,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:22,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:22,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2018-09-30 21:45:22,243 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2018-09-30 21:45:22,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:45:22,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:22,403 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:23,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:23,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2018-09-30 21:45:23,524 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2018-09-30 21:45:23,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:45:23,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:23,603 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:24,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2018-09-30 21:45:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2018-09-30 21:45:24,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:45:24,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:25,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:25,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2018-09-30 21:45:25,264 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2018-09-30 21:45:25,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:45:25,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:25,410 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:26,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:26,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-09-30 21:45:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-09-30 21:45:26,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:45:26,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:26,639 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:27,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:27,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-09-30 21:45:27,253 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-09-30 21:45:27,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:45:27,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:27,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:27,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2018-09-30 21:45:27,948 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2018-09-30 21:45:27,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:45:27,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:28,156 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:28,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:28,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-09-30 21:45:28,749 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-09-30 21:45:28,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:45:28,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:28,926 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:29,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2018-09-30 21:45:29,764 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2018-09-30 21:45:29,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:45:29,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:29,884 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:30,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:30,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2018-09-30 21:45:30,559 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2018-09-30 21:45:30,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:45:30,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:31,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2018-09-30 21:45:31,502 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-09-30 21:45:31,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:45:31,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:31,607 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:32,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:32,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2018-09-30 21:45:32,604 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2018-09-30 21:45:32,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:45:32,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:33,014 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:33,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:33,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2018-09-30 21:45:33,831 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2018-09-30 21:45:33,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:45:33,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:33,957 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:34,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:34,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2018-09-30 21:45:34,781 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2018-09-30 21:45:34,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:45:34,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:35,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:35,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-09-30 21:45:35,760 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-09-30 21:45:35,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:45:35,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:36,865 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:38,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2018-09-30 21:45:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2018-09-30 21:45:38,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:45:38,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:40,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:40,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2018-09-30 21:45:40,404 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2018-09-30 21:45:40,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:45:40,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:41,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:41,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-09-30 21:45:41,419 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-09-30 21:45:41,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:45:41,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:42,339 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:43,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2018-09-30 21:45:43,250 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2018-09-30 21:45:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:45:43,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:43,677 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2018-09-30 21:45:44,725 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2018-09-30 21:45:44,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:45:44,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2018-09-30 21:45:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2018-09-30 21:45:46,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:45:46,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:47,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:47,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2018-09-30 21:45:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2018-09-30 21:45:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:45:47,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:47,688 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:48,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:48,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2018-09-30 21:45:48,899 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2018-09-30 21:45:48,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:45:48,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:50,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 82 transitions. [2018-09-30 21:45:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2018-09-30 21:45:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:45:50,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:51,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2018-09-30 21:45:51,925 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2018-09-30 21:45:51,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:45:51,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:53,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:53,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2018-09-30 21:45:53,708 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2018-09-30 21:45:53,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:45:53,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:54,489 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:55,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 91 transitions. [2018-09-30 21:45:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2018-09-30 21:45:55,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:45:55,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:57,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:57,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 63 states and 94 transitions. [2018-09-30 21:45:57,440 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2018-09-30 21:45:57,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 21:45:57,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:57,693 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:59,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:59,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 65 states and 97 transitions. [2018-09-30 21:45:59,119 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2018-09-30 21:45:59,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 21:45:59,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:59,425 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2018-09-30 21:46:00,868 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2018-09-30 21:46:00,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 21:46:00,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 69 states and 103 transitions. [2018-09-30 21:46:02,727 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2018-09-30 21:46:02,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 21:46:02,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:02,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:04,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:04,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 106 transitions. [2018-09-30 21:46:04,541 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2018-09-30 21:46:04,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 21:46:04,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:04,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:06,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:06,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 73 states and 109 transitions. [2018-09-30 21:46:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2018-09-30 21:46:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 21:46:06,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:08,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 75 states and 112 transitions. [2018-09-30 21:46:08,457 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 112 transitions. [2018-09-30 21:46:08,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 21:46:08,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:10,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:10,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 77 states and 115 transitions. [2018-09-30 21:46:10,489 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2018-09-30 21:46:10,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 21:46:10,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:10,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:12,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:12,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 118 transitions. [2018-09-30 21:46:12,517 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2018-09-30 21:46:12,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 21:46:12,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:14,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 81 states and 121 transitions. [2018-09-30 21:46:14,852 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2018-09-30 21:46:14,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 21:46:14,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:17,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 83 states and 124 transitions. [2018-09-30 21:46:17,110 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 124 transitions. [2018-09-30 21:46:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 21:46:17,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:17,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:19,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 85 states and 127 transitions. [2018-09-30 21:46:19,508 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2018-09-30 21:46:19,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 21:46:19,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:19,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:21,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:21,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 87 states and 130 transitions. [2018-09-30 21:46:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2018-09-30 21:46:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 21:46:21,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:24,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:24,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 89 states and 133 transitions. [2018-09-30 21:46:24,479 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 133 transitions. [2018-09-30 21:46:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 21:46:24,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:27,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:27,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 91 states and 136 transitions. [2018-09-30 21:46:27,478 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2018-09-30 21:46:27,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 21:46:27,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:30,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:30,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 93 states and 139 transitions. [2018-09-30 21:46:30,578 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 139 transitions. [2018-09-30 21:46:30,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 21:46:30,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:31,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:34,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:34,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 95 states and 142 transitions. [2018-09-30 21:46:34,245 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2018-09-30 21:46:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 21:46:34,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:40,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:40,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 97 states and 145 transitions. [2018-09-30 21:46:40,578 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 145 transitions. [2018-09-30 21:46:40,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 21:46:40,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:41,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:43,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 99 states and 148 transitions. [2018-09-30 21:46:43,773 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2018-09-30 21:46:43,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-30 21:46:43,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:44,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:46,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:46,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 101 states and 151 transitions. [2018-09-30 21:46:46,727 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 151 transitions. [2018-09-30 21:46:46,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-30 21:46:46,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:46,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:49,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 103 states and 154 transitions. [2018-09-30 21:46:49,732 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 154 transitions. [2018-09-30 21:46:49,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-30 21:46:49,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 105 states and 157 transitions. [2018-09-30 21:46:52,882 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2018-09-30 21:46:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-30 21:46:52,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:53,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:57,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 108 states and 160 transitions. [2018-09-30 21:46:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 160 transitions. [2018-09-30 21:46:57,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-30 21:46:57,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:03,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:47:10,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:47:10,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 112 states and 165 transitions. [2018-09-30 21:47:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 165 transitions. [2018-09-30 21:47:10,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-30 21:47:10,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:47:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:16,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:47:33,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:47:33,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 147 states and 201 transitions. [2018-09-30 21:47:33,963 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 201 transitions. [2018-09-30 21:47:33,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-30 21:47:33,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:47:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:47:38,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:47:38,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 149 states and 203 transitions. [2018-09-30 21:47:38,835 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 203 transitions. [2018-09-30 21:47:38,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-30 21:47:38,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:47:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:39,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:47:43,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:47:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 151 states and 205 transitions. [2018-09-30 21:47:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 205 transitions. [2018-09-30 21:47:43,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-30 21:47:43,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:47:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:45,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:47:49,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:47:49,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 153 states and 207 transitions. [2018-09-30 21:47:49,205 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 207 transitions. [2018-09-30 21:47:49,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-30 21:47:49,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:47:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:47:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:47:54,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 155 states and 209 transitions. [2018-09-30 21:47:54,693 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 209 transitions. [2018-09-30 21:47:54,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-30 21:47:54,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:47:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:56,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:48:00,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:48:00,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 157 states and 211 transitions. [2018-09-30 21:48:00,819 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 211 transitions. [2018-09-30 21:48:00,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-30 21:48:00,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:48:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:48:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:48:07,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:48:07,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 159 states and 213 transitions. [2018-09-30 21:48:07,108 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 213 transitions. [2018-09-30 21:48:07,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-30 21:48:07,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:48:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:48:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:48:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:48:13,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 161 states and 215 transitions. [2018-09-30 21:48:13,369 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 215 transitions. [2018-09-30 21:48:13,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-30 21:48:13,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:48:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:48:14,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:48:20,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:48:20,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 163 states and 217 transitions. [2018-09-30 21:48:20,150 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 217 transitions. [2018-09-30 21:48:20,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-30 21:48:20,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:48:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:48:21,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:48:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:48:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 165 states and 219 transitions. [2018-09-30 21:48:27,256 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 219 transitions. [2018-09-30 21:48:27,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-30 21:48:27,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:48:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:48:28,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:48:34,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:48:34,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 167 states and 221 transitions. [2018-09-30 21:48:34,131 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 221 transitions. [2018-09-30 21:48:34,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-30 21:48:34,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:48:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:48:35,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:48:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:48:41,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 169 states and 223 transitions. [2018-09-30 21:48:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 223 transitions. [2018-09-30 21:48:41,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-30 21:48:41,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:48:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown