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.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:20:55,696 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:20:55,698 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:20:55,710 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:20:55,711 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:20:55,712 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:20:55,713 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:20:55,715 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:20:55,717 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:20:55,718 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:20:55,719 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:20:55,719 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:20:55,720 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:20:55,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:20:55,722 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:20:55,723 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:20:55,724 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:20:55,726 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:20:55,728 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:20:55,730 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:20:55,731 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:20:55,732 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:20:55,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:20:55,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:20:55,735 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:20:55,736 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:20:55,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:20:55,738 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:20:55,739 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:20:55,741 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:20:55,741 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:20:55,742 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:20:55,742 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:20:55,742 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:20:55,743 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:20:55,744 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:20:55,745 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-26 22:20:55,761 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:20:55,761 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:20:55,762 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:20:55,762 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:20:55,763 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:20:55,763 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:20:55,763 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:20:55,763 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:20:55,764 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:20:55,764 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:20:55,764 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:20:55,764 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:20:55,764 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:20:55,765 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:20:55,765 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:20:55,765 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:20:55,765 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:20:55,765 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:20:55,766 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:20:55,766 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:20:55,766 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:20:55,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:20:55,766 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:20:55,767 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:20:55,767 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:20:55,767 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:20:55,767 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:20:55,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:20:55,767 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:20:55,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:20:55,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:20:55,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:20:55,855 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:20:55,856 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:20:55,857 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.i_4.bpl [2018-09-26 22:20:55,857 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.i_4.bpl' [2018-09-26 22:20:55,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:20:55,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:20:55,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:20:55,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:20:55,913 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:20:55,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:55" (1/1) ... [2018-09-26 22:20:55,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:55" (1/1) ... [2018-09-26 22:20:55,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:20:55,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:20:55,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:20:55,963 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:20:55,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:55" (1/1) ... [2018-09-26 22:20:55,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:55" (1/1) ... [2018-09-26 22:20:55,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:55" (1/1) ... [2018-09-26 22:20:55,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:55" (1/1) ... [2018-09-26 22:20:55,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:55" (1/1) ... [2018-09-26 22:20:55,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:55" (1/1) ... [2018-09-26 22:20:55,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:55" (1/1) ... [2018-09-26 22:20:55,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:20:55,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:20:55,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:20:55,989 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:20:55,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:55" (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 22:20:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:20:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:20:56,334 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:20:56,334 INFO L202 PluginConnector]: Adding new model nested.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:20:56 BoogieIcfgContainer [2018-09-26 22:20:56,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:20:56,335 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:20:56,335 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:20:56,345 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:20:56,345 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:20:56" (1/1) ... [2018-09-26 22:20:56,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:20:56,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:56,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-09-26 22:20:56,392 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-26 22:20:56,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:20:56,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:56,543 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 22:20:56,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:56,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-09-26 22:20:56,677 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-09-26 22:20:56,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:20:56,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:56,814 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 22:20:57,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-09-26 22:20:57,339 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-09-26 22:20:57,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:20:57,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:57,448 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 22:20:57,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:57,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2018-09-26 22:20:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2018-09-26 22:20:57,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:20:57,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:58,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:58,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2018-09-26 22:20:58,073 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2018-09-26 22:20:58,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:20:58,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:58,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:58,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-09-26 22:20:58,649 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-09-26 22:20:58,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:20:58,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:58,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2018-09-26 22:20:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2018-09-26 22:20:58,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:20:58,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:59,010 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2018-09-26 22:20:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2018-09-26 22:20:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:20:59,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:59,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2018-09-26 22:20:59,540 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2018-09-26 22:20:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:20:59,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:59,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:59,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2018-09-26 22:20:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2018-09-26 22:20:59,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:20:59,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:00,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:00,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2018-09-26 22:21:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2018-09-26 22:21:00,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:21:00,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:00,204 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 2 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:00,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:00,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2018-09-26 22:21:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2018-09-26 22:21:00,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:21:00,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:00,467 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-09-26 22:21:03,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:03,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 88 transitions. [2018-09-26 22:21:03,296 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2018-09-26 22:21:03,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:21:03,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:03,321 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-09-26 22:21:04,860 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-26 22:21:06,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:06,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 53 states and 66 transitions. [2018-09-26 22:21:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2018-09-26 22:21:06,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:21:06,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:07,045 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-09-26 22:21:09,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 77 states and 101 transitions. [2018-09-26 22:21:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2018-09-26 22:21:09,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:21:09,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:09,962 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 6 proven. 44 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2018-09-26 22:21:10,966 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-09-26 22:21:13,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:13,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 77 states and 91 transitions. [2018-09-26 22:21:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2018-09-26 22:21:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-26 22:21:13,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:13,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-26 22:21:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:16,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 101 states and 126 transitions. [2018-09-26 22:21:16,715 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2018-09-26 22:21:16,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 22:21:16,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 8 proven. 66 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2018-09-26 22:21:21,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:21,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 101 states and 116 transitions. [2018-09-26 22:21:21,070 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2018-09-26 22:21:21,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-26 22:21:21,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:21,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 0 proven. 1472 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2018-09-26 22:21:26,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:26,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 125 states and 151 transitions. [2018-09-26 22:21:26,004 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 151 transitions. [2018-09-26 22:21:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-26 22:21:26,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:26,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2010 backedges. 10 proven. 88 refuted. 0 times theorem prover too weak. 1912 trivial. 0 not checked. [2018-09-26 22:21:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 125 states and 141 transitions. [2018-09-26 22:21:31,804 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 141 transitions. [2018-09-26 22:21:31,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-26 22:21:31,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:32,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3000 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2018-09-26 22:21:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:37,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 149 states and 176 transitions. [2018-09-26 22:21:37,526 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2018-09-26 22:21:37,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-26 22:21:37,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3122 backedges. 12 proven. 110 refuted. 0 times theorem prover too weak. 3000 trivial. 0 not checked. [2018-09-26 22:21:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:43,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 149 states and 166 transitions. [2018-09-26 22:21:43,755 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 166 transitions. [2018-09-26 22:21:43,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-26 22:21:43,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4332 backedges. 0 proven. 3672 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2018-09-26 22:21:49,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:49,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 173 states and 201 transitions. [2018-09-26 22:21:49,766 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 201 transitions. [2018-09-26 22:21:49,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-09-26 22:21:49,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4478 backedges. 14 proven. 132 refuted. 0 times theorem prover too weak. 4332 trivial. 0 not checked. [2018-09-26 22:21:56,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 173 states and 191 transitions. [2018-09-26 22:21:56,936 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 191 transitions. [2018-09-26 22:21:56,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-09-26 22:21:56,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5908 backedges. 0 proven. 5138 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2018-09-26 22:22:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:04,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 197 states and 226 transitions. [2018-09-26 22:22:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 226 transitions. [2018-09-26 22:22:04,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-09-26 22:22:04,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:04,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6078 backedges. 16 proven. 154 refuted. 0 times theorem prover too weak. 5908 trivial. 0 not checked. [2018-09-26 22:22:11,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:11,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 197 states and 216 transitions. [2018-09-26 22:22:11,564 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 216 transitions. [2018-09-26 22:22:11,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-09-26 22:22:11,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 7728 backedges. 0 proven. 6848 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2018-09-26 22:22:19,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:19,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 221 states and 251 transitions. [2018-09-26 22:22:19,598 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2018-09-26 22:22:19,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-09-26 22:22:19,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 7922 backedges. 18 proven. 176 refuted. 0 times theorem prover too weak. 7728 trivial. 0 not checked. [2018-09-26 22:22:27,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:27,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 221 states and 241 transitions. [2018-09-26 22:22:27,944 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 241 transitions. [2018-09-26 22:22:27,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-09-26 22:22:27,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:28,447 INFO L134 CoverageAnalysis]: Checked inductivity of 9792 backedges. 0 proven. 8802 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-09-26 22:22:31,930 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2018-09-26 22:22:36,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:36,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 245 states and 265 transitions. [2018-09-26 22:22:36,638 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 265 transitions. [2018-09-26 22:22:36,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-09-26 22:22:36,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 10010 backedges. 20 proven. 198 refuted. 0 times theorem prover too weak. 9792 trivial. 0 not checked. [2018-09-26 22:22:38,631 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-26 22:22:39,024 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-26 22:22:51,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 245 states and 255 transitions. [2018-09-26 22:22:51,629 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 255 transitions. [2018-09-26 22:22:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-09-26 22:22:51,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 12100 backedges. 12082 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. Received shutdown request... [2018-09-26 22:25:08,252 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:25:08,255 INFO L168 Benchmark]: Toolchain (without parser) took 252345.61 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-09-26 22:25:08,256 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.92 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 22:25:08,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.69 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 22:25:08,257 INFO L168 Benchmark]: Boogie Preprocessor took 24.98 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 22:25:08,258 INFO L168 Benchmark]: RCFGBuilder took 346.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 22:25:08,259 INFO L168 Benchmark]: CodeCheck took 251918.85 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-09-26 22:25:08,263 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1285 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.92 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 49.69 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 24.98 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 346.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 251918.85 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.4 GB. 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/nested.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-25-08-276.csv Completed graceful shutdown