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/count_by_nondet.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:48:34,737 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:48:34,740 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:48:34,761 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:48:34,762 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:48:34,764 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:48:34,765 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:48:34,768 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:48:34,770 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:48:34,771 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:48:34,773 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:48:34,774 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:48:34,775 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:48:34,776 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:48:34,779 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:48:34,780 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:48:34,788 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:48:34,790 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:48:34,795 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:48:34,797 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:48:34,798 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:48:34,801 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:48:34,803 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:48:34,803 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:48:34,806 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:48:34,807 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:48:34,808 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:48:34,809 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:48:34,810 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:48:34,811 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:48:34,815 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:48:34,816 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:48:34,816 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:48:34,816 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:48:34,819 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:48:34,819 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:48:34,821 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-26 22:48:34,850 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:48:34,850 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:48:34,853 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:48:34,853 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:48:34,854 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:48:34,854 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:48:34,855 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:48:34,855 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:48:34,855 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:48:34,855 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:48:34,855 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:48:34,856 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:48:34,856 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:48:34,856 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:48:34,856 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:48:34,856 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:48:34,858 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:48:34,858 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:48:34,858 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:48:34,858 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:48:34,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:48:34,859 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:48:34,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:48:34,859 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:48:34,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:48:34,860 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:48:34,860 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:48:34,860 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:48:34,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:48:34,860 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:48:34,931 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:48:34,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:48:34,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:48:34,955 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:48:34,956 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:48:34,957 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_nondet.i_3.bpl [2018-09-26 22:48:34,957 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_nondet.i_3.bpl' [2018-09-26 22:48:35,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:48:35,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:48:35,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:48:35,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:48:35,022 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:48:35,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:35" (1/1) ... [2018-09-26 22:48:35,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:35" (1/1) ... [2018-09-26 22:48:35,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:48:35,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:48:35,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:48:35,056 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:48:35,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:35" (1/1) ... [2018-09-26 22:48:35,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:35" (1/1) ... [2018-09-26 22:48:35,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:35" (1/1) ... [2018-09-26 22:48:35,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:35" (1/1) ... [2018-09-26 22:48:35,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:35" (1/1) ... [2018-09-26 22:48:35,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:35" (1/1) ... [2018-09-26 22:48:35,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:35" (1/1) ... [2018-09-26 22:48:35,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:48:35,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:48:35,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:48:35,075 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:48:35,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:48:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:48:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:48:35,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:48:35,453 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:48:35,453 INFO L202 PluginConnector]: Adding new model count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:48:35 BoogieIcfgContainer [2018-09-26 22:48:35,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:48:35,454 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:48:35,454 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:48:35,468 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:48:35,469 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:48:35" (1/1) ... [2018-09-26 22:48:35,491 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:48:35,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:35,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-26 22:48:35,538 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-26 22:48:35,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:48:35,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:35,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:36,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-09-26 22:48:36,080 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-09-26 22:48:36,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:48:36,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:36,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:36,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-09-26 22:48:36,712 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-26 22:48:36,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:48:36,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:36,945 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:38,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-09-26 22:48:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-09-26 22:48:38,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:48:38,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:38,899 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:41,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2018-09-26 22:48:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2018-09-26 22:48:41,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:48:41,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:41,637 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:42,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:42,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2018-09-26 22:48:42,581 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2018-09-26 22:48:42,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:48:42,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:43,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:43,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2018-09-26 22:48:43,740 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2018-09-26 22:48:43,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:48:43,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:43,848 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:45,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2018-09-26 22:48:45,532 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-09-26 22:48:45,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:48:45,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2018-09-26 22:48:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2018-09-26 22:48:46,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:48:46,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:47,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:47,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2018-09-26 22:48:47,761 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2018-09-26 22:48:47,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:48:47,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:47,855 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:48,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:48,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2018-09-26 22:48:48,701 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2018-09-26 22:48:48,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:48:48,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:50,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:50,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2018-09-26 22:48:50,450 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2018-09-26 22:48:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:48:50,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:50,528 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2018-09-26 22:48:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-09-26 22:48:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:48:51,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:51,712 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:53,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:53,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2018-09-26 22:48:53,800 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-09-26 22:48:53,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:48:53,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:55,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:55,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2018-09-26 22:48:55,440 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2018-09-26 22:48:55,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:48:55,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:55,636 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:48:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:58,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 66 transitions. [2018-09-26 22:48:58,691 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2018-09-26 22:48:58,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:48:58,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:58,792 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:00,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:00,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 57 states and 68 transitions. [2018-09-26 22:49:00,263 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2018-09-26 22:49:00,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:49:00,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:00,472 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:03,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 61 states and 73 transitions. [2018-09-26 22:49:03,512 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2018-09-26 22:49:03,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:49:03,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:05,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2018-09-26 22:49:05,472 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2018-09-26 22:49:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:49:05,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:09,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 67 states and 80 transitions. [2018-09-26 22:49:09,368 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2018-09-26 22:49:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:49:09,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:09,465 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:12,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:12,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 69 states and 82 transitions. [2018-09-26 22:49:12,569 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2018-09-26 22:49:12,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:49:12,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:13,519 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:18,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:18,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 73 states and 87 transitions. [2018-09-26 22:49:18,203 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2018-09-26 22:49:18,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:49:18,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:21,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:21,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 75 states and 89 transitions. [2018-09-26 22:49:21,358 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 89 transitions. [2018-09-26 22:49:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:49:21,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:21,705 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:27,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:27,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 79 states and 94 transitions. [2018-09-26 22:49:27,230 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2018-09-26 22:49:27,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:49:27,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:30,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:30,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2018-09-26 22:49:30,865 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2018-09-26 22:49:30,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:49:30,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:37,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:37,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 101 transitions. [2018-09-26 22:49:37,714 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2018-09-26 22:49:37,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:49:37,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:38,016 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:41,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 87 states and 103 transitions. [2018-09-26 22:49:41,866 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2018-09-26 22:49:41,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:49:41,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:42,337 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:50,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:50,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2018-09-26 22:49:50,087 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2018-09-26 22:49:50,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:49:50,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:49:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:54,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2018-09-26 22:49:54,950 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2018-09-26 22:49:54,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:49:54,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:55,454 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:04,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:04,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 97 states and 115 transitions. [2018-09-26 22:50:04,776 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 115 transitions. [2018-09-26 22:50:04,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:50:04,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:05,032 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:10,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:10,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 99 states and 117 transitions. [2018-09-26 22:50:10,271 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 117 transitions. [2018-09-26 22:50:10,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:50:10,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:10,760 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:21,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:21,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 103 states and 122 transitions. [2018-09-26 22:50:21,886 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2018-09-26 22:50:21,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:50:21,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:28,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:28,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 105 states and 124 transitions. [2018-09-26 22:50:28,574 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2018-09-26 22:50:28,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:50:28,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:42,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 109 states and 129 transitions. [2018-09-26 22:50:42,165 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 129 transitions. [2018-09-26 22:50:42,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:50:42,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:50:49,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:49,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 111 states and 131 transitions. [2018-09-26 22:50:49,465 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2018-09-26 22:50:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:50:49,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:50,054 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:05,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:05,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 115 states and 136 transitions. [2018-09-26 22:51:05,404 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 136 transitions. [2018-09-26 22:51:05,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:51:05,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:14,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:14,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 117 states and 138 transitions. [2018-09-26 22:51:14,059 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2018-09-26 22:51:14,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:51:14,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:15,408 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 121 states and 143 transitions. [2018-09-26 22:51:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 143 transitions. [2018-09-26 22:51:33,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:51:33,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:33,417 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:51:42,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 123 states and 145 transitions. [2018-09-26 22:51:42,888 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2018-09-26 22:51:42,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:51:42,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:52:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 127 states and 150 transitions. [2018-09-26 22:52:04,095 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2018-09-26 22:52:04,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:52:04,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:04,448 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:52:15,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:15,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 129 states and 152 transitions. [2018-09-26 22:52:15,171 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2018-09-26 22:52:15,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:52:15,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:15,893 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:52:40,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:40,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 133 states and 157 transitions. [2018-09-26 22:52:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 157 transitions. [2018-09-26 22:52:40,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:52:40,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:40,567 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:52:52,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:52:52,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 135 states and 159 transitions. [2018-09-26 22:52:52,858 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2018-09-26 22:52:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:52:52,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:52:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:52:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown