java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:57:08,991 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:57:08,993 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:57:09,006 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:57:09,006 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:57:09,007 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:57:09,009 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:57:09,010 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:57:09,012 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:57:09,013 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:57:09,014 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:57:09,014 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:57:09,015 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:57:09,016 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:57:09,017 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:57:09,018 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:57:09,019 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:57:09,021 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:57:09,023 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:57:09,024 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:57:09,025 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:57:09,031 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:57:09,033 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:57:09,033 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:57:09,034 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:57:09,035 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:57:09,036 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:57:09,037 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:57:09,038 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:57:09,041 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:57:09,041 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:57:09,045 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:57:09,045 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:57:09,046 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:57:09,048 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:57:09,049 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:57:09,049 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 22:57:09,076 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:57:09,076 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:57:09,080 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:57:09,080 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:57:09,080 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:57:09,081 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:57:09,081 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:57:09,081 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:57:09,081 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:57:09,084 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:57:09,084 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:57:09,085 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:57:09,085 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:57:09,085 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:57:09,085 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:57:09,085 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:57:09,086 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:57:09,086 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:57:09,086 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:57:09,086 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:57:09,088 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:57:09,088 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:57:09,088 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:57:09,088 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:57:09,088 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:57:09,089 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:57:09,089 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:57:09,089 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:57:09,089 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:57:09,089 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:57:09,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:57:09,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:57:09,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:57:09,157 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:57:09,157 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:57:09,158 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl [2018-09-26 22:57:09,159 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl' [2018-09-26 22:57:09,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:57:09,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:57:09,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:57:09,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:57:09,214 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:57:09,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:57:09" (1/1) ... [2018-09-26 22:57:09,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:57:09" (1/1) ... [2018-09-26 22:57:09,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:57:09,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:57:09,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:57:09,256 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:57:09,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:57:09" (1/1) ... [2018-09-26 22:57:09,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:57:09" (1/1) ... [2018-09-26 22:57:09,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:57:09" (1/1) ... [2018-09-26 22:57:09,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:57:09" (1/1) ... [2018-09-26 22:57:09,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:57:09" (1/1) ... [2018-09-26 22:57:09,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:57:09" (1/1) ... [2018-09-26 22:57:09,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:57:09" (1/1) ... [2018-09-26 22:57:09,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:57:09,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:57:09,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:57:09,279 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:57:09,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:57:09" (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 22:57:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:57:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:57:09,703 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:57:09,704 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:57:09 BoogieIcfgContainer [2018-09-26 22:57:09,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:57:09,705 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:57:09,705 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:57:09,719 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:57:09,719 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:57:09" (1/1) ... [2018-09-26 22:57:09,739 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:57:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-09-26 22:57:09,779 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-26 22:57:09,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:57:09,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:09,937 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 22:57:10,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:10,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-09-26 22:57:10,291 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-09-26 22:57:10,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:57:10,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:10,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:57:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-09-26 22:57:11,039 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-09-26 22:57:11,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:57:11,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:57:12,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-09-26 22:57:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-09-26 22:57:12,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:57:12,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-09-26 22:57:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:15,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-09-26 22:57:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-09-26 22:57:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:57:15,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-26 22:57:16,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:16,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2018-09-26 22:57:16,645 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-09-26 22:57:16,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:57:16,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:16,721 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-09-26 22:57:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2018-09-26 22:57:17,748 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2018-09-26 22:57:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:57:17,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:17,975 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-09-26 22:57:20,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:20,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2018-09-26 22:57:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-09-26 22:57:20,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:57:20,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:20,554 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-09-26 22:57:22,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2018-09-26 22:57:22,293 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-09-26 22:57:22,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:57:22,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:22,492 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 120 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-26 22:57:23,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:23,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2018-09-26 22:57:23,516 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-09-26 22:57:23,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:57:23,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:24,056 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-09-26 22:57:28,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2018-09-26 22:57:28,140 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-09-26 22:57:28,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:57:28,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:28,628 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-09-26 22:57:35,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2018-09-26 22:57:35,021 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2018-09-26 22:57:35,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 22:57:35,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:35,308 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 322 proven. 12 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-09-26 22:57:37,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:37,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 61 states and 67 transitions. [2018-09-26 22:57:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2018-09-26 22:57:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:57:37,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:38,393 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-09-26 22:57:47,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:47,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 71 states and 78 transitions. [2018-09-26 22:57:47,803 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2018-09-26 22:57:47,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 22:57:47,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 448 proven. 12 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-09-26 22:57:52,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:57:52,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 73 states and 80 transitions. [2018-09-26 22:57:52,260 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2018-09-26 22:57:52,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 22:57:52,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:57:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:57:53,151 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 0 proven. 694 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-09-26 22:58:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:58:05,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2018-09-26 22:58:05,410 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2018-09-26 22:58:05,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-26 22:58:05,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:58:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:58:06,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 574 proven. 12 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2018-09-26 22:58:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:58:11,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 85 states and 93 transitions. [2018-09-26 22:58:11,396 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2018-09-26 22:58:11,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 22:58:11,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:58:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:58:12,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 0 proven. 988 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-09-26 22:58:29,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:58:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 95 states and 104 transitions. [2018-09-26 22:58:29,370 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2018-09-26 22:58:29,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-26 22:58:29,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:58:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:58:30,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 700 proven. 12 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2018-09-26 22:58:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:58:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 97 states and 106 transitions. [2018-09-26 22:58:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2018-09-26 22:58:37,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-26 22:58:37,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:58:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:58:38,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 0 proven. 1334 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-09-26 22:58:59,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:58:59,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 107 states and 117 transitions. [2018-09-26 22:58:59,938 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2018-09-26 22:58:59,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-26 22:58:59,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:58:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:01,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 826 proven. 12 refuted. 0 times theorem prover too weak. 974 trivial. 0 not checked. [2018-09-26 22:59:10,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:10,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 109 states and 119 transitions. [2018-09-26 22:59:10,058 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2018-09-26 22:59:10,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-26 22:59:10,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1896 backedges. 0 proven. 1732 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-09-26 22:59:40,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:40,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 119 states and 130 transitions. [2018-09-26 22:59:40,049 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 130 transitions. [2018-09-26 22:59:40,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-26 22:59:40,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:42,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 952 proven. 12 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2018-09-26 22:59:53,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:53,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 121 states and 132 transitions. [2018-09-26 22:59:53,436 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 132 transitions. [2018-09-26 22:59:53,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-26 22:59:53,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:57,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2366 backedges. 0 proven. 2182 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-09-26 23:00:34,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 131 states and 143 transitions. [2018-09-26 23:00:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2018-09-26 23:00:34,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-26 23:00:34,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2784 backedges. 1078 proven. 12 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2018-09-26 23:00:51,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:51,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 133 states and 145 transitions. [2018-09-26 23:00:51,960 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2018-09-26 23:00:51,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-26 23:00:51,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 0 proven. 2684 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. Received shutdown request... [2018-09-26 23:01:43,710 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.09 11:01:43 ImpRootNode [2018-09-26 23:01:43,711 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-09-26 23:01:43,712 INFO L168 Benchmark]: Toolchain (without parser) took 274501.38 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -195.0 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 222.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2018-09-26 23:01:43,714 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 23:01:43,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.46 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 23:01:43,715 INFO L168 Benchmark]: Boogie Preprocessor took 22.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 23:01:43,716 INFO L168 Benchmark]: RCFGBuilder took 425.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 23:01:43,717 INFO L168 Benchmark]: CodeCheck took 274005.91 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -195.0 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 201.8 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. [2018-09-26 23:01:43,721 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 34]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 34) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNKNOWN Result, 273.9s OverallTime, 25 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83886080 SDtfs, 140552864 SDslu, 194685592 SDs, 0 SdLazy, 396034024 SolverSat, 212271092 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.0s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 17.0s InterpolantComputationTime, 1586 NumberOfCodeBlocks, 1586 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1561 ConstructedInterpolants, 0 QuantifiedInterpolants, 599465 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 2 PerfectInterpolantSequences, 11990/22622 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.46 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 425.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 274005.91 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -195.0 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 201.8 MB). Peak memory consumption was 6.7 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.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-09-26_23-01-43-734.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_23-01-43-734.csv Completed graceful shutdown