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/nested.i_4.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 11:49:29,425 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:49:29,427 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:49:29,438 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:49:29,439 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:49:29,441 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:49:29,443 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:49:29,444 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:49:29,446 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:49:29,447 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:49:29,447 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:49:29,448 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:49:29,449 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:49:29,450 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:49:29,451 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:49:29,452 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:49:29,452 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:49:29,454 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:49:29,456 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:49:29,458 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:49:29,459 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:49:29,460 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:49:29,463 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:49:29,463 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:49:29,463 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:49:29,464 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:49:29,465 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:49:29,466 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:49:29,466 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:49:29,468 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:49:29,468 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:49:29,469 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:49:29,469 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:49:29,469 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:49:29,470 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:49:29,471 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:49:29,471 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 [2018-09-30 11:49:29,487 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:49:29,487 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:49:29,488 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:49:29,489 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:49:29,490 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:49:29,490 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:49:29,491 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:49:29,491 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:49:29,491 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:49:29,491 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:49:29,491 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:49:29,492 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:49:29,492 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:49:29,492 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:49:29,492 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:49:29,493 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:49:29,493 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:49:29,493 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:49:29,494 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:49:29,494 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 11:49:29,494 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:49:29,494 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:49:29,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:49:29,496 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:49:29,496 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:49:29,496 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:49:29,496 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:49:29,497 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:49:29,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:49:29,497 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:49:29,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:49:29,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:49:29,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:49:29,566 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:49:29,566 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:49:29,567 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-09-30 11:49:29,567 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl' [2018-09-30 11:49:29,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:49:29,627 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:49:29,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:49:29,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:49:29,628 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:49:29,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:49:29" (1/1) ... [2018-09-30 11:49:29,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:49:29" (1/1) ... [2018-09-30 11:49:29,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:49:29,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:49:29,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:49:29,669 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:49:29,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:49:29" (1/1) ... [2018-09-30 11:49:29,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:49:29" (1/1) ... [2018-09-30 11:49:29,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:49:29" (1/1) ... [2018-09-30 11:49:29,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:49:29" (1/1) ... [2018-09-30 11:49:29,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:49:29" (1/1) ... [2018-09-30 11:49:29,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:49:29" (1/1) ... [2018-09-30 11:49:29,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:49:29" (1/1) ... [2018-09-30 11:49:29,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:49:29,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:49:29,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:49:29,690 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:49:29,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:49:29" (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 [2018-09-30 11:49:29,774 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-30 11:49:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 11:49:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 11:49:30,012 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 11:49:30,013 INFO L202 PluginConnector]: Adding new model nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:49:30 BoogieIcfgContainer [2018-09-30 11:49:30,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:49:30,013 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:49:30,014 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:49:30,026 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:49:30,026 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:49:30" (1/1) ... [2018-09-30 11:49:30,041 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 11:49:30,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:30,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-09-30 11:49:30,084 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-09-30 11:49:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 11:49:30,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:49:30,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:30,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-09-30 11:49:30,577 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-09-30 11:49:30,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 11:49:30,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:30,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:49:31,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:31,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 8 states and 13 transitions. [2018-09-30 11:49:31,563 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 13 transitions. [2018-09-30 11:49:31,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 11:49:31,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:49:32,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 9 states and 16 transitions. [2018-09-30 11:49:32,438 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 16 transitions. [2018-09-30 11:49:32,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:49:32,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:49:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:32,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 10 states and 19 transitions. [2018-09-30 11:49:32,831 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 19 transitions. [2018-09-30 11:49:32,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:49:32,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:49:33,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:33,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 11 states and 22 transitions. [2018-09-30 11:49:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 22 transitions. [2018-09-30 11:49:33,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:49:33,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:33,596 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:49:34,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:34,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 12 states and 25 transitions. [2018-09-30 11:49:34,003 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 25 transitions. [2018-09-30 11:49:34,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:49:34,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:34,075 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:49:34,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:34,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 13 states and 28 transitions. [2018-09-30 11:49:34,590 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 28 transitions. [2018-09-30 11:49:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:49:34,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:34,690 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:49:35,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 14 states and 31 transitions. [2018-09-30 11:49:35,255 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 31 transitions. [2018-09-30 11:49:35,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:49:35,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:35,339 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:49:35,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:35,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 15 states and 34 transitions. [2018-09-30 11:49:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 34 transitions. [2018-09-30 11:49:35,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:49:35,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:35,817 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:49:36,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:36,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 16 states and 37 transitions. [2018-09-30 11:49:36,671 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 37 transitions. [2018-09-30 11:49:36,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:49:36,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:49:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:37,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 17 states and 39 transitions. [2018-09-30 11:49:37,146 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 39 transitions. [2018-09-30 11:49:37,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 11:49:37,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-09-30 11:49:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:40,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 29 states and 62 transitions. [2018-09-30 11:49:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 62 transitions. [2018-09-30 11:49:40,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:49:40,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:40,854 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-09-30 11:49:44,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:44,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2018-09-30 11:49:44,439 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2018-09-30 11:49:44,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 11:49:44,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-09-30 11:49:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2018-09-30 11:49:49,419 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2018-09-30 11:49:49,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 11:49:49,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:49,518 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-09-30 11:49:55,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2018-09-30 11:49:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2018-09-30 11:49:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 11:49:55,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:56,132 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-09-30 11:50:05,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 77 transitions. [2018-09-30 11:50:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2018-09-30 11:50:05,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 11:50:05,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:05,105 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2018-09-30 11:50:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:16,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 52 states and 67 transitions. [2018-09-30 11:50:16,853 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2018-09-30 11:50:16,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 11:50:16,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:17,082 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 736 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-09-30 11:50:32,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2018-09-30 11:50:32,313 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2018-09-30 11:50:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 11:50:32,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 5 proven. 44 refuted. 0 times theorem prover too weak. 956 trivial. 0 not checked. [2018-09-30 11:50:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 64 states and 80 transitions. [2018-09-30 11:50:51,247 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2018-09-30 11:50:51,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-30 11:50:51,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:51,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2018-09-30 11:51:16,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:16,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 76 states and 103 transitions. [2018-09-30 11:51:16,304 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2018-09-30 11:51:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 11:51:16,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:16,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2018-09-30 11:51:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2018-09-30 11:51:46,403 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-09-30 11:51:46,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-30 11:51:46,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:46,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-30 11:52:24,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:52:24,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2018-09-30 11:52:24,841 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2018-09-30 11:52:24,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-30 11:52:24,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:52:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:52:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2239 backedges. 7 proven. 66 refuted. 0 times theorem prover too weak. 2166 trivial. 0 not checked. [2018-09-30 11:53:10,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:53:10,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 88 states and 106 transitions. [2018-09-30 11:53:10,493 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 106 transitions. [2018-09-30 11:53:10,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-30 11:53:10,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:53:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:53:11,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2954 backedges. 0 proven. 2569 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. Received shutdown request... [2018-09-30 11:54:07,676 INFO L202 PluginConnector]: Adding new model nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.09 11:54:07 ImpRootNode [2018-09-30 11:54:07,676 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-09-30 11:54:07,677 INFO L168 Benchmark]: Toolchain (without parser) took 278052.71 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 494.9 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 340.4 MB). Peak memory consumption was 835.3 MB. Max. memory is 7.1 GB. [2018-09-30 11:54:07,679 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. [2018-09-30 11:54:07,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.63 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. [2018-09-30 11:54:07,680 INFO L168 Benchmark]: Boogie Preprocessor took 20.60 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. [2018-09-30 11:54:07,681 INFO L168 Benchmark]: RCFGBuilder took 322.91 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. [2018-09-30 11:54:07,682 INFO L168 Benchmark]: CodeCheck took 277662.65 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 494.9 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 319.2 MB). Peak memory consumption was 814.2 MB. Max. memory is 7.1 GB. [2018-09-30 11:54:07,686 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 51]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 51) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNKNOWN Result, 277.6s OverallTime, 24 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8388608 SDtfs, 300344 SDslu, 0 SDs, 0 SdLazy, 261256382 SolverSat, 126235926 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.2s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 737 NumberOfCodeBlocks, 737 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 713 ConstructedInterpolants, 0 QuantifiedInterpolants, 154543 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 2 PerfectInterpolantSequences, 7023/14279 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 40.63 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 20.60 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 322.91 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 277662.65 ms. Allocated memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: 494.9 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 319.2 MB). Peak memory consumption was 814.2 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/nested.i_4.bplTransformedIcfg_BEv2_3.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-09-30_11-54-07-699.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested.i_4.bplTransformedIcfg_BEv2_3.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_11-54-07-699.csv Completed graceful shutdown