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/20170319-ConjunctivePathPrograms/count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 11:26:44,714 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:26:44,717 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:26:44,729 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:26:44,730 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:26:44,731 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:26:44,732 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:26:44,734 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:26:44,736 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:26:44,737 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:26:44,738 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:26:44,739 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:26:44,740 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:26:44,741 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:26:44,742 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:26:44,743 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:26:44,744 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:26:44,746 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:26:44,748 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:26:44,750 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:26:44,751 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:26:44,753 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:26:44,755 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:26:44,756 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:26:44,756 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:26:44,757 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:26:44,758 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:26:44,759 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:26:44,760 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:26:44,761 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:26:44,762 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:26:44,762 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:26:44,763 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:26:44,763 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:26:44,764 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:26:44,765 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:26:44,766 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 [2018-09-28 11:26:44,782 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:26:44,783 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:26:44,783 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:26:44,784 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:26:44,784 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:26:44,784 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:26:44,785 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:26:44,785 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:26:44,785 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:26:44,785 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:26:44,786 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:26:44,786 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:26:44,786 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:26:44,786 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:26:44,786 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:26:44,787 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:26:44,787 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:26:44,787 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:26:44,787 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:26:44,787 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-28 11:26:44,788 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:26:44,788 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:26:44,788 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:26:44,788 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:26:44,788 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:26:44,789 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:26:44,789 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:26:44,789 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:26:44,789 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:26:44,789 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:26:44,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:26:44,850 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:26:44,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:26:44,857 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:26:44,857 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:26:44,858 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl [2018-09-28 11:26:44,858 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl' [2018-09-28 11:26:44,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:26:44,917 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:26:44,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:26:44,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:26:44,919 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:26:44,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:44" (1/1) ... [2018-09-28 11:26:44,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:44" (1/1) ... [2018-09-28 11:26:44,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:26:44,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:26:44,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:26:44,962 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:26:44,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:44" (1/1) ... [2018-09-28 11:26:44,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:44" (1/1) ... [2018-09-28 11:26:44,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:44" (1/1) ... [2018-09-28 11:26:44,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:44" (1/1) ... [2018-09-28 11:26:44,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:44" (1/1) ... [2018-09-28 11:26:44,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:44" (1/1) ... [2018-09-28 11:26:44,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:44" (1/1) ... [2018-09-28 11:26:44,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:26:44,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:26:44,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:26:44,987 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:26:44,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:26:44" (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 [2018-09-28 11:26:45,069 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-28 11:26:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 11:26:45,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 11:26:45,372 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 11:26:45,373 INFO L202 PluginConnector]: Adding new model count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:26:45 BoogieIcfgContainer [2018-09-28 11:26:45,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:26:45,374 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:26:45,374 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:26:45,386 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:26:45,386 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "count_by_1_variant.i_2.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:26:45" (1/1) ... [2018-09-28 11:26:45,401 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 11:26:45,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:45,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-28 11:26:45,435 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-28 11:26:45,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:26:45,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:46,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:46,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-09-28 11:26:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-09-28 11:26:46,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:26:46,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:46,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2018-09-28 11:26:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2018-09-28 11:26:46,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:26:46,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:46,966 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:47,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:47,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2018-09-28 11:26:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2018-09-28 11:26:47,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 11:26:47,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:48,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2018-09-28 11:26:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2018-09-28 11:26:48,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 11:26:48,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:48,546 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2018-09-28 11:26:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2018-09-28 11:26:49,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:26:49,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:50,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:50,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-09-28 11:26:50,271 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-09-28 11:26:50,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:26:50,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:50,354 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:51,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:51,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-09-28 11:26:51,440 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-09-28 11:26:51,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 11:26:51,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:52,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:52,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2018-09-28 11:26:52,430 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2018-09-28 11:26:52,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-28 11:26:52,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:52,557 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-09-28 11:26:53,936 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-09-28 11:26:53,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-28 11:26:53,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:54,087 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:54,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:54,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2018-09-28 11:26:54,656 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2018-09-28 11:26:54,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 11:26:54,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:54,769 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:55,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:55,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2018-09-28 11:26:55,462 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2018-09-28 11:26:55,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-28 11:26:55,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:55,562 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:56,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2018-09-28 11:26:56,184 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-09-28 11:26:56,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-28 11:26:56,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:56,300 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:57,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2018-09-28 11:26:57,157 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2018-09-28 11:26:57,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-28 11:26:57,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:58,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:58,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2018-09-28 11:26:58,671 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2018-09-28 11:26:58,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 11:26:58,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:58,894 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:00,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:00,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2018-09-28 11:27:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2018-09-28 11:27:00,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:27:00,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:01,058 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:02,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:02,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-09-28 11:27:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-09-28 11:27:02,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:27:02,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:02,442 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:03,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:03,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2018-09-28 11:27:03,765 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2018-09-28 11:27:03,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-28 11:27:03,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:04,534 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:05,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:05,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2018-09-28 11:27:05,936 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2018-09-28 11:27:05,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:27:05,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:07,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:07,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-09-28 11:27:07,968 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-09-28 11:27:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-28 11:27:07,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:09,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:09,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2018-09-28 11:27:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2018-09-28 11:27:09,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-28 11:27:09,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:11,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:11,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2018-09-28 11:27:11,768 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2018-09-28 11:27:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-28 11:27:11,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2018-09-28 11:27:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2018-09-28 11:27:14,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-28 11:27:14,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:16,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:16,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2018-09-28 11:27:16,443 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2018-09-28 11:27:16,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-28 11:27:16,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:19,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:19,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2018-09-28 11:27:19,375 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2018-09-28 11:27:19,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-28 11:27:19,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:19,546 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:22,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:22,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 82 transitions. [2018-09-28 11:27:22,142 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2018-09-28 11:27:22,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-28 11:27:22,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:23,366 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:26,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2018-09-28 11:27:26,410 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2018-09-28 11:27:26,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-28 11:27:26,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:26,595 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:29,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:29,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2018-09-28 11:27:29,814 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2018-09-28 11:27:29,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-28 11:27:29,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:30,405 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:34,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 91 transitions. [2018-09-28 11:27:34,016 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2018-09-28 11:27:34,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-28 11:27:34,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:38,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:38,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 63 states and 94 transitions. [2018-09-28 11:27:38,333 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2018-09-28 11:27:38,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-28 11:27:38,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:38,575 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:42,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:42,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 65 states and 97 transitions. [2018-09-28 11:27:42,859 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2018-09-28 11:27:42,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-28 11:27:42,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:47,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:47,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2018-09-28 11:27:47,855 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2018-09-28 11:27:47,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-28 11:27:47,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:53,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 69 states and 103 transitions. [2018-09-28 11:27:53,401 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2018-09-28 11:27:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-28 11:27:53,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:53,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:27:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:27:59,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 106 transitions. [2018-09-28 11:27:59,230 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2018-09-28 11:27:59,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-28 11:27:59,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:27:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:27:59,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:28:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:06,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 73 states and 109 transitions. [2018-09-28 11:28:06,431 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2018-09-28 11:28:06,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-28 11:28:06,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:06,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:28:13,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:13,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 75 states and 112 transitions. [2018-09-28 11:28:13,681 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 112 transitions. [2018-09-28 11:28:13,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-28 11:28:13,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:28:21,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:21,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 77 states and 115 transitions. [2018-09-28 11:28:21,551 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2018-09-28 11:28:21,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-28 11:28:21,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:21,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:28:30,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 118 transitions. [2018-09-28 11:28:30,150 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2018-09-28 11:28:30,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-28 11:28:30,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:28:39,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:39,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 81 states and 121 transitions. [2018-09-28 11:28:39,731 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2018-09-28 11:28:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-28 11:28:39,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:28:50,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:28:50,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 83 states and 124 transitions. [2018-09-28 11:28:50,567 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 124 transitions. [2018-09-28 11:28:50,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-28 11:28:50,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:28:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:28:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:29:01,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:29:01,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 85 states and 127 transitions. [2018-09-28 11:29:01,932 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2018-09-28 11:29:01,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-28 11:29:01,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:29:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:29:02,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:29:14,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:29:14,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 87 states and 130 transitions. [2018-09-28 11:29:14,589 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2018-09-28 11:29:14,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-28 11:29:14,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:29:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:29:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:29:27,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:29:27,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 89 states and 133 transitions. [2018-09-28 11:29:27,754 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 133 transitions. [2018-09-28 11:29:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-28 11:29:27,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:29:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:29:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:29:42,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:29:42,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 91 states and 136 transitions. [2018-09-28 11:29:42,224 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2018-09-28 11:29:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-28 11:29:42,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:29:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:29:42,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:29:58,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:29:58,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 93 states and 139 transitions. [2018-09-28 11:29:58,158 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 139 transitions. [2018-09-28 11:29:58,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-28 11:29:58,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:29:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:29:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:30:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:30:16,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 95 states and 142 transitions. [2018-09-28 11:30:16,095 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2018-09-28 11:30:16,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-28 11:30:16,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:30:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:30:18,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:30:38,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:30:38,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 97 states and 145 transitions. [2018-09-28 11:30:38,806 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 145 transitions. [2018-09-28 11:30:38,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-28 11:30:38,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:30:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:30:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:30:59,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:30:59,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 99 states and 148 transitions. [2018-09-28 11:30:59,323 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2018-09-28 11:30:59,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-28 11:30:59,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:30:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:30:59,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown