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/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:47:53,978 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:47:53,982 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:47:54,000 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:47:54,001 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:47:54,002 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:47:54,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:47:54,005 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:47:54,007 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:47:54,007 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:47:54,008 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:47:54,009 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:47:54,010 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:47:54,011 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:47:54,012 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:47:54,012 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:47:54,013 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:47:54,015 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:47:54,017 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:47:54,019 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:47:54,020 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:47:54,021 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:47:54,024 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:47:54,024 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:47:54,025 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:47:54,026 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:47:54,027 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:47:54,030 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:47:54,031 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:47:54,032 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:47:54,032 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:47:54,036 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:47:54,036 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:47:54,036 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:47:54,040 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:47:54,041 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:47:54,042 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 22:47:54,074 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:47:54,074 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:47:54,075 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:47:54,075 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:47:54,076 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:47:54,076 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:47:54,076 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:47:54,077 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:47:54,077 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:47:54,077 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:47:54,077 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:47:54,077 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:47:54,078 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:47:54,078 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:47:54,078 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:47:54,078 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:47:54,078 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:47:54,079 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:47:54,079 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:47:54,079 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:47:54,079 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:47:54,079 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:47:54,080 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:47:54,080 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:47:54,080 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:47:54,080 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:47:54,080 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:47:54,081 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:47:54,081 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:47:54,081 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:47:54,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:47:54,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:47:54,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:47:54,152 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:47:54,153 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:47:54,153 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-09-26 22:47:54,154 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2018-09-26 22:47:54,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:47:54,234 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:47:54,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:47:54,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:47:54,235 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:47:54,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:47:54" (1/1) ... [2018-09-26 22:47:54,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:47:54" (1/1) ... [2018-09-26 22:47:54,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:47:54,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:47:54,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:47:54,281 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:47:54,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:47:54" (1/1) ... [2018-09-26 22:47:54,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:47:54" (1/1) ... [2018-09-26 22:47:54,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:47:54" (1/1) ... [2018-09-26 22:47:54,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:47:54" (1/1) ... [2018-09-26 22:47:54,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:47:54" (1/1) ... [2018-09-26 22:47:54,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:47:54" (1/1) ... [2018-09-26 22:47:54,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:47:54" (1/1) ... [2018-09-26 22:47:54,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:47:54,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:47:54,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:47:54,304 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:47:54,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:47:54" (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 22:47:54,391 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 22:47:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:47:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:47:54,647 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:47:54,648 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:47:54 BoogieIcfgContainer [2018-09-26 22:47:54,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:47:54,649 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:47:54,649 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:47:54,661 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:47:54,661 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:47:54" (1/1) ... [2018-09-26 22:47:54,676 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:47:54,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:47:54,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-09-26 22:47:54,716 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-09-26 22:47:54,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 22:47:54,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:47:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:54,890 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 22:47:55,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:47:55,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-09-26 22:47:55,259 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-09-26 22:47:55,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:47:55,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:47:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:55,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:47:55,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:47:55,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-09-26 22:47:55,772 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-26 22:47:55,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:47:55,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:47:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:47:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:47:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-09-26 22:47:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-09-26 22:47:56,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:47:56,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:47:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-26 22:47:58,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:47:58,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-09-26 22:47:58,585 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-09-26 22:47:58,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:47:58,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:47:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:58,713 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-26 22:48:00,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:00,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-09-26 22:48:00,633 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-09-26 22:48:00,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:48:00,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:00,702 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-26 22:48:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-09-26 22:48:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-09-26 22:48:01,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:48:01,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-09-26 22:48:02,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:02,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-09-26 22:48:02,566 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-09-26 22:48:02,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:48:02,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-09-26 22:48:03,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-09-26 22:48:03,599 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-09-26 22:48:03,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:48:03,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:03,660 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-09-26 22:48:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:05,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-09-26 22:48:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-09-26 22:48:05,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:48:05,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:05,176 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-09-26 22:48:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-09-26 22:48:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-09-26 22:48:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:48:06,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:06,406 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-09-26 22:48:06,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-09-26 22:48:06,972 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-09-26 22:48:06,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:48:06,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:07,062 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-09-26 22:48:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:09,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-09-26 22:48:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-09-26 22:48:09,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:48:09,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:10,197 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-09-26 22:48:11,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:11,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2018-09-26 22:48:11,413 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-09-26 22:48:11,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:48:11,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:11,577 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-09-26 22:48:13,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:13,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-09-26 22:48:13,779 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-09-26 22:48:13,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:48:13,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-09-26 22:48:15,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:15,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2018-09-26 22:48:15,481 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2018-09-26 22:48:15,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:48:15,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 176 proven. 10 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-09-26 22:48:17,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:17,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2018-09-26 22:48:17,006 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-09-26 22:48:17,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 22:48:17,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:17,163 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 194 proven. 15 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-09-26 22:48:18,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:18,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-09-26 22:48:18,488 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-09-26 22:48:18,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:48:18,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 212 proven. 21 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-09-26 22:48:20,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:20,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2018-09-26 22:48:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-09-26 22:48:20,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:48:20,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:20,455 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-09-26 22:48:27,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:27,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2018-09-26 22:48:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-09-26 22:48:27,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:48:27,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 394 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-09-26 22:48:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2018-09-26 22:48:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2018-09-26 22:48:37,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 22:48:37,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:38,250 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 407 proven. 10 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-09-26 22:48:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2018-09-26 22:48:41,048 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-09-26 22:48:41,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:48:41,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:41,772 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 438 proven. 15 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-09-26 22:48:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:44,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2018-09-26 22:48:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2018-09-26 22:48:44,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-26 22:48:44,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 469 proven. 21 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-09-26 22:48:48,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:48,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2018-09-26 22:48:48,513 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2018-09-26 22:48:48,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:48:48,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:49,718 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 422 proven. 10 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-26 22:48:52,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:52,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2018-09-26 22:48:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-09-26 22:48:52,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 22:48:52,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:53,585 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 456 proven. 15 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-26 22:48:56,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:48:56,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2018-09-26 22:48:56,942 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-09-26 22:48:56,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:48:56,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:48:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:48:57,834 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 490 proven. 21 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-26 22:49:01,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:01,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2018-09-26 22:49:01,219 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2018-09-26 22:49:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-26 22:49:01,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:01,782 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 355 proven. 10 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-26 22:49:05,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:05,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2018-09-26 22:49:05,386 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-09-26 22:49:05,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:49:05,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 392 proven. 15 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-26 22:49:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:09,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2018-09-26 22:49:09,594 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2018-09-26 22:49:09,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-26 22:49:09,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 967 backedges. 429 proven. 21 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-26 22:49:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2018-09-26 22:49:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-09-26 22:49:14,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:49:14,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 206 proven. 10 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-09-26 22:49:18,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:18,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2018-09-26 22:49:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2018-09-26 22:49:18,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-26 22:49:18,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 246 proven. 15 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-09-26 22:49:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:22,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2018-09-26 22:49:22,913 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-09-26 22:49:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:49:22,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:23,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 286 proven. 21 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-09-26 22:49:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:49:27,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2018-09-26 22:49:27,492 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2018-09-26 22:49:27,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-26 22:49:27,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:49:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:49:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 0 proven. 981 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-09-26 22:50:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2018-09-26 22:50:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2018-09-26 22:50:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-26 22:50:03,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:06,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 391 proven. 28 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2018-09-26 22:50:15,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:15,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2018-09-26 22:50:15,983 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2018-09-26 22:50:15,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-26 22:50:15,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:19,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 764 proven. 28 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2018-09-26 22:50:27,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:27,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2018-09-26 22:50:27,266 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2018-09-26 22:50:27,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-26 22:50:27,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:31,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 991 proven. 28 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2018-09-26 22:50:39,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:39,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2018-09-26 22:50:39,432 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2018-09-26 22:50:39,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-26 22:50:39,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 1072 proven. 28 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2018-09-26 22:50:52,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:50:52,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2018-09-26 22:50:52,229 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2018-09-26 22:50:52,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 22:50:52,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:50:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:50:56,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 1007 proven. 28 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2018-09-26 22:51:05,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:05,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2018-09-26 22:51:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2018-09-26 22:51:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-26 22:51:05,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1858 backedges. 796 proven. 28 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-09-26 22:51:16,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:51:16,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2018-09-26 22:51:16,358 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2018-09-26 22:51:16,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 22:51:16,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:51:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:51:16,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 1675 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. Received shutdown request... [2018-09-26 22:52:28,493 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.09 10:52:28 ImpRootNode [2018-09-26 22:52:28,493 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-09-26 22:52:28,494 INFO L168 Benchmark]: Toolchain (without parser) took 274263.13 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -253.2 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 303.6 MB). Peak memory consumption was 50.4 MB. Max. memory is 7.1 GB. [2018-09-26 22:52:28,496 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:52:28,497 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:52:28,497 INFO L168 Benchmark]: Boogie Preprocessor took 22.79 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:52:28,498 INFO L168 Benchmark]: RCFGBuilder took 344.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 22:52:28,499 INFO L168 Benchmark]: CodeCheck took 273844.31 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -253.2 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 282.5 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2018-09-26 22:52:28,503 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 35]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 35) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNKNOWN Result, 273.7s OverallTime, 40 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1086325252 SDslu, 0 SDs, 0 SdLazy, 77603774 SolverSat, 1063260054 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.6s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 1547 NumberOfCodeBlocks, 1547 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1507 ConstructedInterpolants, 0 QuantifiedInterpolants, 112849 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 2 PerfectInterpolantSequences, 22703/26584 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - GenericResult: Unable to decide if program is safe! Unable to decide if program is safe! * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.79 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 344.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 273844.31 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -253.2 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 282.5 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-09-26_22-52-28-516.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-52-28-516.csv Completed graceful shutdown