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/real-life/Elevator-Integer.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:38:35,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:38:35,497 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:38:35,509 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:38:35,510 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:38:35,511 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:38:35,512 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:38:35,514 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:38:35,516 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:38:35,517 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:38:35,518 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:38:35,518 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:38:35,519 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:38:35,520 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:38:35,521 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:38:35,522 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:38:35,523 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:38:35,525 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:38:35,527 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:38:35,529 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:38:35,530 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:38:35,531 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:38:35,534 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-26 22:38:35,543 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 22:38:35,560 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:38:35,560 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:38:35,561 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:38:35,561 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:38:35,562 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:38:35,562 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:38:35,562 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:38:35,563 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:38:35,563 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:38:35,563 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:38:35,563 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:38:35,563 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:38:35,563 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:38:35,564 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:38:35,564 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:38:35,564 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:38:35,564 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:38:35,564 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:38:35,565 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:38:35,565 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:38:35,565 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:38:35,565 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:38:35,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:38:35,566 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:38:35,566 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:38:35,566 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:38:35,566 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:38:35,566 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:38:35,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:38:35,567 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:38:35,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:38:35,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:38:35,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:38:35,637 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:38:35,638 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:38:35,639 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl [2018-09-26 22:38:35,640 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl' [2018-09-26 22:38:35,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:38:35,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:38:35,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:38:35,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:38:35,699 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:38:35,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,738 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 22:38:35,738 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 22:38:35,738 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 22:38:35,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:38:35,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:38:35,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:38:35,742 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:38:35,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:38:35,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:38:35,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:38:35,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:38:35,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (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 22:38:35,839 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-26 22:38:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-26 22:38:35,840 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-26 22:38:37,704 INFO L343 CfgBuilder]: Using library mode [2018-09-26 22:38:37,705 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:38:37 BoogieIcfgContainer [2018-09-26 22:38:37,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:38:37,706 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:38:37,706 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:38:37,718 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:38:37,718 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:38:37" (1/1) ... [2018-09-26 22:38:37,734 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:38:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:37,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 22:38:37,777 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 22:38:37,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 22:38:37,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:38,130 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 22:38:39,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-09-26 22:38:39,001 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-26 22:38:39,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:38:39,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:39,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:40,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:40,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2018-09-26 22:38:40,682 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2018-09-26 22:38:40,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:38:40,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:44,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:44,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 14 states and 31 transitions. [2018-09-26 22:38:44,846 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 31 transitions. [2018-09-26 22:38:44,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:38:44,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:45,644 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:48,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 17 states and 41 transitions. [2018-09-26 22:38:48,651 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 41 transitions. [2018-09-26 22:38:48,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:38:48,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:51,247 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:09,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:09,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 26 states and 79 transitions. [2018-09-26 22:39:09,207 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 79 transitions. [2018-09-26 22:39:09,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:39:09,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:02,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:02,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 31 states and 107 transitions. [2018-09-26 22:41:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 107 transitions. [2018-09-26 22:41:02,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:41:02,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:15,064 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown