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/real-life/Elevator-Integer.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 10:47:10,582 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 10:47:10,584 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 10:47:10,597 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 10:47:10,597 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 10:47:10,598 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 10:47:10,600 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 10:47:10,602 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 10:47:10,603 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 10:47:10,604 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 10:47:10,605 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 10:47:10,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 10:47:10,606 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 10:47:10,608 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 10:47:10,609 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 10:47:10,609 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 10:47:10,610 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 10:47:10,612 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 10:47:10,614 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 10:47:10,616 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 10:47:10,617 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 10:47:10,618 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 10:47:10,621 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 10:47:10,622 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 10:47:10,622 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 10:47:10,623 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 10:47:10,624 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 10:47:10,625 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 10:47:10,625 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 10:47:10,627 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 10:47:10,627 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 10:47:10,628 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 10:47:10,628 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 10:47:10,628 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 10:47:10,629 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 10:47:10,630 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 10:47:10,630 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 [2018-09-28 10:47:10,646 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 10:47:10,647 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 10:47:10,647 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 10:47:10,648 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 10:47:10,648 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 10:47:10,648 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 10:47:10,649 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 10:47:10,649 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 10:47:10,649 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 10:47:10,649 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 10:47:10,649 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 10:47:10,650 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 10:47:10,650 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 10:47:10,650 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 10:47:10,650 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 10:47:10,650 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 10:47:10,651 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 10:47:10,651 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 10:47:10,651 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 10:47:10,651 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 10:47:10,651 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 10:47:10,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 10:47:10,652 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 10:47:10,652 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 10:47:10,652 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 10:47:10,652 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 10:47:10,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 10:47:10,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 10:47:10,653 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 10:47:10,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 10:47:10,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 10:47:10,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 10:47:10,719 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 10:47:10,720 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 10:47:10,721 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl [2018-09-28 10:47:10,721 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl' [2018-09-28 10:47:10,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 10:47:10,794 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 10:47:10,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 10:47:10,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 10:47:10,796 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 10:47:10,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,841 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-28 10:47:10,841 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-28 10:47:10,842 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-28 10:47:10,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 10:47:10,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 10:47:10,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 10:47:10,845 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 10:47:10,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (1/1) ... [2018-09-28 10:47:10,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 10:47:10,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 10:47:10,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 10:47:10,890 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 10:47:10,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:47:10" (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 [2018-09-28 10:47:10,967 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-28 10:47:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-28 10:47:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-28 10:47:12,520 INFO L350 CfgBuilder]: Using library mode [2018-09-28 10:47:12,520 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:47:12 BoogieIcfgContainer [2018-09-28 10:47:12,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 10:47:12,521 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 10:47:12,521 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 10:47:12,534 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 10:47:12,534 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:47:12" (1/1) ... [2018-09-28 10:47:12,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:47:12,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:12,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-28 10:47:12,593 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-28 10:47:12,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-28 10:47:12,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:13,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:13,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:13,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-09-28 10:47:13,432 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-28 10:47:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 10:47:13,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:13,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:14,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:14,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2018-09-28 10:47:14,311 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2018-09-28 10:47:14,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:47:14,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:14,985 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2018-09-28 10:47:15,192 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:15,958 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-09-28 10:47:16,122 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-09-28 10:47:16,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:16,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 14 states and 31 transitions. [2018-09-28 10:47:16,720 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 31 transitions. [2018-09-28 10:47:16,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 10:47:16,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:17,324 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2018-09-28 10:47:17,907 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2018-09-28 10:47:18,060 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:18,350 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2018-09-28 10:47:19,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:19,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 17 states and 41 transitions. [2018-09-28 10:47:19,176 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 41 transitions. [2018-09-28 10:47:19,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-28 10:47:19,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:20,309 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2018-09-28 10:47:20,690 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 51 [2018-09-28 10:47:21,113 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 50 [2018-09-28 10:47:21,359 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2018-09-28 10:47:21,631 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:22,164 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2018-09-28 10:47:22,629 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2018-09-28 10:47:23,205 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2018-09-28 10:47:23,460 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-09-28 10:47:23,613 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2018-09-28 10:47:24,199 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-09-28 10:47:24,726 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2018-09-28 10:47:25,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:25,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 26 states and 79 transitions. [2018-09-28 10:47:25,709 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 79 transitions. [2018-09-28 10:47:25,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:47:25,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:27,577 WARN L178 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 38 [2018-09-28 10:47:28,857 WARN L178 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 59 [2018-09-28 10:47:30,384 WARN L178 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 196 DAG size of output: 77 [2018-09-28 10:47:31,852 WARN L178 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 195 DAG size of output: 78 [2018-09-28 10:47:32,657 WARN L178 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 71 [2018-09-28 10:47:33,666 WARN L178 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 67 [2018-09-28 10:47:34,131 WARN L178 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 51 [2018-09-28 10:47:34,494 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 42 [2018-09-28 10:47:34,506 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:34,683 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2018-09-28 10:47:34,933 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2018-09-28 10:47:35,614 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 42 [2018-09-28 10:47:36,755 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2018-09-28 10:47:37,132 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2018-09-28 10:47:37,909 WARN L178 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-09-28 10:47:38,161 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2018-09-28 10:47:38,879 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-28 10:47:39,539 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2018-09-28 10:47:40,314 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2018-09-28 10:47:40,570 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2018-09-28 10:47:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:41,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 31 states and 107 transitions. [2018-09-28 10:47:41,180 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 107 transitions. [2018-09-28 10:47:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:47:41,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:42,457 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:47:43,015 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2018-09-28 10:47:43,195 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2018-09-28 10:47:43,739 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2018-09-28 10:47:43,977 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2018-09-28 10:47:44,580 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2018-09-28 10:47:44,815 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 58 [2018-09-28 10:47:45,227 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-09-28 10:47:46,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:47:46,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 34 states and 118 transitions. [2018-09-28 10:47:46,147 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 118 transitions. [2018-09-28 10:47:46,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 10:47:46,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:47:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:47:48,112 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-28 10:47:49,282 WARN L178 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 41 [2018-09-28 10:47:50,383 WARN L178 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 41 [2018-09-28 10:47:52,645 WARN L178 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 390 DAG size of output: 70 [2018-09-28 10:47:55,012 WARN L178 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 391 DAG size of output: 70 [2018-09-28 10:47:57,149 WARN L178 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 418 DAG size of output: 83 [2018-09-28 10:48:01,306 WARN L178 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 427 DAG size of output: 119 [2018-09-28 10:48:04,519 WARN L178 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 430 DAG size of output: 117 [2018-09-28 10:48:06,058 WARN L178 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 310 DAG size of output: 69 [2018-09-28 10:48:07,740 WARN L178 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 313 DAG size of output: 72 [2018-09-28 10:48:08,225 WARN L178 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2018-09-28 10:48:08,842 WARN L178 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 21 [2018-09-28 10:48:08,866 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:09,379 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2018-09-28 10:48:09,636 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2018-09-28 10:48:10,516 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 36 [2018-09-28 10:48:10,889 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2018-09-28 10:48:11,782 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 43 [2018-09-28 10:48:12,112 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-09-28 10:48:12,362 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2018-09-28 10:48:13,214 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2018-09-28 10:48:13,765 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 51 [2018-09-28 10:48:14,345 WARN L178 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-28 10:48:14,663 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 57 [2018-09-28 10:48:14,902 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-09-28 10:48:15,212 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2018-09-28 10:48:15,802 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-28 10:48:16,147 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2018-09-28 10:48:16,545 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2018-09-28 10:48:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:18,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 47 states and 177 transitions. [2018-09-28 10:48:18,470 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 177 transitions. [2018-09-28 10:48:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 10:48:18,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:21,205 WARN L178 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 33 [2018-09-28 10:48:22,057 WARN L178 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 32 [2018-09-28 10:48:23,481 WARN L178 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 49 [2018-09-28 10:48:25,868 WARN L178 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 280 DAG size of output: 69 [2018-09-28 10:48:28,535 WARN L178 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 313 DAG size of output: 85 [2018-09-28 10:48:30,753 WARN L178 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 331 DAG size of output: 86 [2018-09-28 10:48:32,910 WARN L178 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 362 DAG size of output: 107 [2018-09-28 10:48:35,204 WARN L178 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 360 DAG size of output: 102 [2018-09-28 10:48:37,158 WARN L178 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 295 DAG size of output: 95 [2018-09-28 10:48:39,188 WARN L178 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 295 DAG size of output: 97 [2018-09-28 10:48:39,844 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 31 [2018-09-28 10:48:40,363 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 25 [2018-09-28 10:48:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:48:41,178 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2018-09-28 10:48:41,484 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-09-28 10:48:41,638 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 36 [2018-09-28 10:48:42,430 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2018-09-28 10:48:42,788 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-09-28 10:48:43,213 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 63 [2018-09-28 10:48:44,099 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 54 [2018-09-28 10:48:44,468 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-09-28 10:48:45,014 WARN L178 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2018-09-28 10:48:46,409 WARN L178 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2018-09-28 10:48:47,209 WARN L178 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2018-09-28 10:48:47,581 WARN L178 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2018-09-28 10:48:48,129 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-09-28 10:48:48,534 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2018-09-28 10:48:49,544 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-09-28 10:48:50,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:48:50,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 53 states and 198 transitions. [2018-09-28 10:48:50,170 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 198 transitions. [2018-09-28 10:48:50,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-28 10:48:50,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:48:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:48:52,586 WARN L178 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2018-09-28 10:48:53,281 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 35 [2018-09-28 10:48:55,545 WARN L178 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 336 DAG size of output: 53 [2018-09-28 10:48:59,433 WARN L178 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 478 DAG size of output: 89 [2018-09-28 10:49:03,872 WARN L178 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 614 DAG size of output: 110 [2018-09-28 10:49:07,486 WARN L178 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 470 DAG size of output: 59 [2018-09-28 10:49:10,761 WARN L178 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 347 DAG size of output: 76 [2018-09-28 10:49:13,072 WARN L178 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 348 DAG size of output: 68 [2018-09-28 10:49:14,500 WARN L178 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 61 [2018-09-28 10:49:15,641 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2018-09-28 10:49:16,165 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 29 [2018-09-28 10:49:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:17,673 WARN L178 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2018-09-28 10:49:18,485 WARN L178 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2018-09-28 10:49:19,170 WARN L178 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2018-09-28 10:49:19,809 WARN L178 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2018-09-28 10:49:20,149 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-28 10:49:20,541 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-09-28 10:49:20,759 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 25 [2018-09-28 10:49:20,977 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 26 [2018-09-28 10:49:21,645 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2018-09-28 10:49:22,035 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2018-09-28 10:49:22,321 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 36 [2018-09-28 10:49:23,164 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2018-09-28 10:49:23,994 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-09-28 10:49:24,393 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-09-28 10:49:24,606 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2018-09-28 10:49:25,135 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2018-09-28 10:49:26,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:26,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 58 states and 219 transitions. [2018-09-28 10:49:26,105 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 219 transitions. [2018-09-28 10:49:26,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-28 10:49:26,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:29,078 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:49:29,691 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-09-28 10:49:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:49:30,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 60 states and 223 transitions. [2018-09-28 10:49:30,686 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 223 transitions. [2018-09-28 10:49:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-28 10:49:30,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:49:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:49:36,652 WARN L178 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 480 DAG size of output: 33 [2018-09-28 10:49:41,971 WARN L178 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 556 DAG size of output: 46 [2018-09-28 10:49:49,195 WARN L178 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 628 DAG size of output: 86 [2018-09-28 10:49:56,401 WARN L178 SmtUtils]: Spent 5.83 s on a formula simplification. DAG size of input: 626 DAG size of output: 85 [2018-09-28 10:50:04,059 WARN L178 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 606 DAG size of output: 68 [2018-09-28 10:50:14,976 WARN L178 SmtUtils]: Spent 7.67 s on a formula simplification. DAG size of input: 722 DAG size of output: 99 [2018-09-28 10:50:21,940 WARN L178 SmtUtils]: Spent 5.16 s on a formula simplification. DAG size of input: 630 DAG size of output: 96 [2018-09-28 10:50:29,212 WARN L178 SmtUtils]: Spent 5.58 s on a formula simplification. DAG size of input: 632 DAG size of output: 100 [2018-09-28 10:50:33,808 WARN L178 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 537 DAG size of output: 89 [2018-09-28 10:50:38,856 WARN L178 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 542 DAG size of output: 90 [2018-09-28 10:50:45,082 WARN L178 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 526 DAG size of output: 76 [2018-09-28 10:50:50,991 WARN L178 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 535 DAG size of output: 79 [2018-09-28 10:50:52,447 WARN L178 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 35 [2018-09-28 10:50:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:50:53,887 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-09-28 10:50:54,302 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-28 10:50:54,706 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2018-09-28 10:50:55,353 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2018-09-28 10:50:55,772 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-09-28 10:50:56,129 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-09-28 10:50:57,249 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 47 [2018-09-28 10:50:57,859 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-09-28 10:50:58,156 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 46 [2018-09-28 10:51:00,031 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-09-28 10:51:00,308 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 40 [2018-09-28 10:51:01,432 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-09-28 10:51:01,833 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 39 [2018-09-28 10:51:02,343 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-09-28 10:51:02,682 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 59 [2018-09-28 10:51:03,379 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2018-09-28 10:51:04,010 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-09-28 10:51:04,558 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2018-09-28 10:51:05,236 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 60 [2018-09-28 10:51:06,367 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-28 10:51:06,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:06,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 17 states and 46 transitions. [2018-09-28 10:51:06,759 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 46 transitions. [2018-09-28 10:51:06,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-28 10:51:06,760 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 0 iterations. [2018-09-28 10:51:06,770 INFO L776 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-09-28 10:51:06,787 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.09 10:51:06 ImpRootNode [2018-09-28 10:51:06,787 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-09-28 10:51:06,788 INFO L168 Benchmark]: Toolchain (without parser) took 235998.78 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 807.9 MB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -745.3 MB). Peak memory consumption was 62.6 MB. Max. memory is 7.1 GB. [2018-09-28 10:51:06,789 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-09-28 10:51:06,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.09 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. [2018-09-28 10:51:06,790 INFO L168 Benchmark]: Boogie Preprocessor took 44.56 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. [2018-09-28 10:51:06,791 INFO L168 Benchmark]: RCFGBuilder took 1631.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-09-28 10:51:06,791 INFO L168 Benchmark]: CodeCheck took 234266.07 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 807.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -808.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:51:06,795 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 29 locations, 1 error locations. SAFE Result, 234.2s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21100 SDtfs, 20548 SDslu, 0 SDs, 0 SdLazy, 151278 SolverSat, 34114 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 168.2s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 258344 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 0/432 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 - PositiveResult [Line: 185]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: ((((((((((((((((current' <= max && qCSP == 2) && 0 < qDC1) && c3 + 1 <= 0) && qDC2 == 2) && (current' + 1 <= goal' || goal' + 1 <= current')) && min <= current') && goal' <= max) && min <= goal') && qDC1 <= 1) || ((((((((((current' <= max && (!(goal' == current') || qDC2 == 3)) && qDC1 == 2) && ((0 == dir' + 1 && goal' <= current') || 1 == dir')) && ((qDC2 == 2 && 0 == dir' + 1) || current' < goal' + 1)) && (qDC2 == 2 || goal' <= current')) && min <= current') && goal' <= max) && min <= goal') && (!(qDC2 == 3) || (0 <= c3 && c2 <= c3))) && qCSP == 3)) || ((((((((((qDC2 <= 2 && 0 < qDC1) && (qDC2 == 2 || goal' + 1 <= current')) && !(qDC2 == 1)) && min <= current') && (((current' <= max && 0 == dir' + 1) && goal' + 1 <= current') || 1 == dir')) && min <= goal') && !(0 <= c3 && qDC2 == 2)) && qDC1 <= 1) && ((goal' <= max && current' + 1 <= goal') || ((current' <= max && 0 == dir' + 1) && goal' + 1 <= current'))) && qCSP == 3)) || (((((((((current' <= max && qCSP == 2) && 0 < qDC1) && 0 < c3 + 1) && qDC2 == 2) && (current' + 1 <= goal' || goal' + 1 <= current')) && min <= current') && goal' <= max) && min <= goal') && qDC1 <= 1)) || (((((((qDC1 == 1 && 0 <= c3) && current' <= goal') && qDC2 == 1) && goal' <= max) && min <= goal') && qCSP == 1) && goal' <= current')) || (((((goal' == current' && qDC2 == 1) && goal' <= max) && min <= goal') && !(qDC1 == 1)) && qCSP == 1)) || ((((((((0 <= c3 && 0 < qDC1) && qDC2 == 2) && min <= current') && min <= goal') && qDC1 <= 1) && (goal' + 1 <= current' || 1 == dir')) && ((goal' <= max && current' + 1 <= goal') || (current' <= max && 0 == dir' + 1))) && qCSP == 3)) || (((((!(qCSP == 3) && !(((qCSP == 2 && 0 < qDC1) && qDC1 <= 1) || ((qCSP <= 1 && 0 < qDC1) && qDC1 <= 1))) && ((((((c2 <= c3 && current' <= goal') && 2 <= qDC1) && current' + 1 <= max) && 3 <= qCSP) && goal' <= current') || !(qDC2 == 3))) && min <= current') && (qDC2 == 3 || (((current' <= max && (current' + 1 <= goal' || goal' + 1 <= current')) && goal' <= max) && (((!(qDC1 == 2) && min <= goal') || current' < goal' + 1) || (qCSP == 2 && min <= goal'))))) && !(qCSP == 1))) || (((((((qDC1 == 1 && current' <= goal') && qDC2 == 1) && goal' <= max) && min <= goal') && c3 < 0) && qCSP == 1) && goal' <= current') * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 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 49.09 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 44.56 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 1631.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * CodeCheck took 234266.07 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 807.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -808.8 MB). There was no memory consumed. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Elevator-Integer.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-09-28_10-51-06-810.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Elevator-Integer.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-28_10-51-06-810.csv Received shutdown request...