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 0.1.23-9f4048f [2018-10-04 13:03:15,402 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:03:15,404 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:03:15,416 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:03:15,416 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:03:15,420 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:03:15,421 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:03:15,423 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:03:15,425 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:03:15,425 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:03:15,426 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:03:15,427 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:03:15,428 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:03:15,429 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:03:15,430 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:03:15,431 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:03:15,431 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:03:15,433 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:03:15,435 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:03:15,437 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:03:15,438 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:03:15,439 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:03:15,442 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:03:15,442 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:03:15,442 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:03:15,443 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:03:15,445 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:03:15,445 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:03:15,446 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:03:15,447 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:03:15,448 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:03:15,448 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:03:15,449 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:03:15,449 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:03:15,450 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:03:15,451 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:03:15,451 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 [2018-10-04 13:03:15,467 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:03:15,467 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:03:15,468 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:03:15,468 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:03:15,469 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:03:15,469 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:03:15,469 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:03:15,469 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:03:15,470 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:03:15,470 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:03:15,470 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:03:15,470 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:03:15,470 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:03:15,471 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:03:15,471 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:03:15,471 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:03:15,471 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:03:15,471 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:03:15,471 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:03:15,472 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:03:15,472 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:03:15,472 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:03:15,472 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:03:15,472 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:03:15,473 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:03:15,473 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:03:15,473 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:03:15,473 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:03:15,473 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:03:15,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:03:15,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:03:15,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:03:15,543 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:03:15,544 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:03:15,544 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl [2018-10-04 13:03:15,545 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl' [2018-10-04 13:03:15,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:03:15,608 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:03:15,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:03:15,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:03:15,609 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:03:15,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,647 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 13:03:15,648 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 13:03:15,648 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 13:03:15,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:03:15,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:03:15,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:03:15,651 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:03:15,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:03:15,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:03:15,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:03:15,684 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:03:15,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (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 [2018-10-04 13:03:15,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-10-04 13:03:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-10-04 13:03:15,760 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-10-04 13:03:17,493 INFO L338 CfgBuilder]: Using library mode [2018-10-04 13:03:17,494 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:03:17 BoogieIcfgContainer [2018-10-04 13:03:17,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:03:17,496 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:03:17,496 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:03:17,508 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:03:17,508 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:03:17" (1/1) ... [2018-10-04 13:03:17,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:03:17,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:17,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-04 13:03:17,567 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-04 13:03:17,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 13:03:17,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:18,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-04 13:03:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-04 13:03:18,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:03:18,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:18,870 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 10 [2018-10-04 13:03:18,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:19,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:19,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2018-10-04 13:03:19,126 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2018-10-04 13:03:19,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:03:19,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:19,824 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2018-10-04 13:03:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:20,302 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-10-04 13:03:20,878 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-10-04 13:03:21,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:21,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 14 states and 31 transitions. [2018-10-04 13:03:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 31 transitions. [2018-10-04 13:03:21,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:03:21,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:22,061 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2018-10-04 13:03:22,357 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2018-10-04 13:03:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:22,799 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2018-10-04 13:03:23,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:23,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 17 states and 41 transitions. [2018-10-04 13:03:23,584 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 41 transitions. [2018-10-04 13:03:23,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:03:23,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:24,322 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 23 [2018-10-04 13:03:24,906 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2018-10-04 13:03:25,273 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 51 [2018-10-04 13:03:25,699 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 50 [2018-10-04 13:03:25,964 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2018-10-04 13:03:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:26,754 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2018-10-04 13:03:27,654 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2018-10-04 13:03:27,905 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-10-04 13:03:28,058 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2018-10-04 13:03:28,615 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-10-04 13:03:29,227 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2018-10-04 13:03:29,683 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-10-04 13:03:30,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:30,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 26 states and 79 transitions. [2018-10-04 13:03:30,153 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 79 transitions. [2018-10-04 13:03:30,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:03:30,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:32,388 WARN L178 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 38 [2018-10-04 13:03:33,638 WARN L178 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 59 [2018-10-04 13:03:35,234 WARN L178 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 196 DAG size of output: 77 [2018-10-04 13:03:36,681 WARN L178 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 195 DAG size of output: 78 [2018-10-04 13:03:37,469 WARN L178 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 71 [2018-10-04 13:03:38,341 WARN L178 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 67 [2018-10-04 13:03:38,806 WARN L178 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 51 [2018-10-04 13:03:39,167 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 42 [2018-10-04 13:03:39,179 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:39,376 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2018-10-04 13:03:39,624 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2018-10-04 13:03:40,427 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 42 [2018-10-04 13:03:41,264 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-10-04 13:03:41,802 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2018-10-04 13:03:42,234 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2018-10-04 13:03:43,172 WARN L178 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-10-04 13:03:43,355 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2018-10-04 13:03:44,185 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-10-04 13:03:44,919 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2018-10-04 13:03:45,756 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2018-10-04 13:03:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 31 states and 107 transitions. [2018-10-04 13:03:46,603 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 107 transitions. [2018-10-04 13:03:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:03:46,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:48,141 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:48,693 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2018-10-04 13:03:48,835 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2018-10-04 13:03:49,298 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2018-10-04 13:03:49,545 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2018-10-04 13:03:49,973 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2018-10-04 13:03:50,300 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2018-10-04 13:03:50,545 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 58 [2018-10-04 13:03:51,606 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 36 [2018-10-04 13:03:51,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:51,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 34 states and 118 transitions. [2018-10-04 13:03:51,849 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 118 transitions. [2018-10-04 13:03:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:03:51,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:54,007 WARN L178 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 41 [2018-10-04 13:03:55,207 WARN L178 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 41 [2018-10-04 13:03:57,515 WARN L178 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 390 DAG size of output: 70 [2018-10-04 13:03:59,770 WARN L178 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 391 DAG size of output: 70 [2018-10-04 13:04:01,990 WARN L178 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 418 DAG size of output: 83 [2018-10-04 13:04:05,860 WARN L178 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 427 DAG size of output: 119 [2018-10-04 13:04:08,922 WARN L178 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 430 DAG size of output: 117 [2018-10-04 13:04:10,572 WARN L178 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 310 DAG size of output: 69 [2018-10-04 13:04:12,200 WARN L178 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 313 DAG size of output: 72 [2018-10-04 13:04:12,692 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2018-10-04 13:04:13,250 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 21 [2018-10-04 13:04:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:13,701 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2018-10-04 13:04:13,961 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2018-10-04 13:04:14,819 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 36 [2018-10-04 13:04:15,195 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2018-10-04 13:04:15,888 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2018-10-04 13:04:16,437 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 43 [2018-10-04 13:04:16,759 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-10-04 13:04:17,050 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2018-10-04 13:04:17,908 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2018-10-04 13:04:18,469 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 51 [2018-10-04 13:04:19,128 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-04 13:04:19,437 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 57 [2018-10-04 13:04:19,668 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-10-04 13:04:19,938 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2018-10-04 13:04:20,511 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-04 13:04:20,901 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2018-10-04 13:04:21,299 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2018-10-04 13:04:23,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 47 states and 177 transitions. [2018-10-04 13:04:23,254 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 177 transitions. [2018-10-04 13:04:23,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:04:23,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:25,429 WARN L178 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 33 [2018-10-04 13:04:26,376 WARN L178 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 32 [2018-10-04 13:04:27,738 WARN L178 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 49 [2018-10-04 13:04:29,959 WARN L178 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 280 DAG size of output: 69 [2018-10-04 13:04:32,707 WARN L178 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 313 DAG size of output: 85 [2018-10-04 13:04:34,838 WARN L178 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 331 DAG size of output: 86 [2018-10-04 13:04:37,038 WARN L178 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 362 DAG size of output: 107 [2018-10-04 13:04:39,254 WARN L178 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 360 DAG size of output: 102 [2018-10-04 13:04:41,268 WARN L178 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 295 DAG size of output: 95 [2018-10-04 13:04:43,386 WARN L178 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 295 DAG size of output: 97 [2018-10-04 13:04:43,918 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 31 [2018-10-04 13:04:44,430 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 25 [2018-10-04 13:04:44,441 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:45,252 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2018-10-04 13:04:45,562 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-10-04 13:04:45,712 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 36 [2018-10-04 13:04:46,606 WARN L178 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2018-10-04 13:04:46,975 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-04 13:04:47,405 WARN L178 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 63 [2018-10-04 13:04:48,285 WARN L178 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 54 [2018-10-04 13:04:48,641 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-10-04 13:04:49,062 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2018-10-04 13:04:50,460 WARN L178 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2018-10-04 13:04:51,335 WARN L178 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2018-10-04 13:04:51,744 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2018-10-04 13:04:52,298 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-10-04 13:04:52,676 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2018-10-04 13:04:53,726 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-04 13:04:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:54,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 53 states and 198 transitions. [2018-10-04 13:04:54,167 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 198 transitions. [2018-10-04 13:04:54,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:04:54,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:56,421 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2018-10-04 13:04:57,128 WARN L178 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 35 [2018-10-04 13:04:59,424 WARN L178 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 336 DAG size of output: 53 [2018-10-04 13:05:03,445 WARN L178 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 478 DAG size of output: 89 [2018-10-04 13:05:07,905 WARN L178 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 614 DAG size of output: 110 [2018-10-04 13:05:11,297 WARN L178 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 470 DAG size of output: 59 [2018-10-04 13:05:14,487 WARN L178 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 347 DAG size of output: 76 [2018-10-04 13:05:16,874 WARN L178 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 348 DAG size of output: 68 [2018-10-04 13:05:18,195 WARN L178 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 61 [2018-10-04 13:05:19,241 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2018-10-04 13:05:19,746 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 29 [2018-10-04 13:05:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:05:21,225 WARN L178 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2018-10-04 13:05:22,030 WARN L178 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2018-10-04 13:05:22,742 WARN L178 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2018-10-04 13:05:23,376 WARN L178 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2018-10-04 13:05:23,710 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-10-04 13:05:24,047 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-10-04 13:05:24,426 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 26 [2018-10-04 13:05:25,087 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2018-10-04 13:05:25,510 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2018-10-04 13:05:25,803 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 36 [2018-10-04 13:05:26,650 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2018-10-04 13:05:27,529 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-10-04 13:05:27,877 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-10-04 13:05:28,088 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2018-10-04 13:05:28,613 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2018-10-04 13:05:29,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:05:29,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 58 states and 219 transitions. [2018-10-04 13:05:29,525 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 219 transitions. [2018-10-04 13:05:29,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:05:29,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:05:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:05:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:05:33,124 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-10-04 13:05:34,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:05:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 60 states and 223 transitions. [2018-10-04 13:05:34,044 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 223 transitions. [2018-10-04 13:05:34,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 13:05:34,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:05:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:05:39,772 WARN L178 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 480 DAG size of output: 33 [2018-10-04 13:05:45,020 WARN L178 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 556 DAG size of output: 46 [2018-10-04 13:05:52,283 WARN L178 SmtUtils]: Spent 5.90 s on a formula simplification. DAG size of input: 628 DAG size of output: 86 [2018-10-04 13:05:59,390 WARN L178 SmtUtils]: Spent 5.76 s on a formula simplification. DAG size of input: 626 DAG size of output: 85 [2018-10-04 13:06:07,008 WARN L178 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 606 DAG size of output: 68 [2018-10-04 13:06:17,941 WARN L178 SmtUtils]: Spent 7.71 s on a formula simplification. DAG size of input: 722 DAG size of output: 99 [2018-10-04 13:06:24,797 WARN L178 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 630 DAG size of output: 96 [2018-10-04 13:06:32,032 WARN L178 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 632 DAG size of output: 100 [2018-10-04 13:06:36,712 WARN L178 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 537 DAG size of output: 89 [2018-10-04 13:06:41,699 WARN L178 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 542 DAG size of output: 90 [2018-10-04 13:06:47,893 WARN L178 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 526 DAG size of output: 76 [2018-10-04 13:06:53,649 WARN L178 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 535 DAG size of output: 79 [2018-10-04 13:06:55,248 WARN L178 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 190 DAG size of output: 35 [2018-10-04 13:06:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:06:56,580 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-04 13:06:56,992 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-10-04 13:06:57,474 WARN L178 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2018-10-04 13:06:58,120 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2018-10-04 13:06:58,484 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-10-04 13:07:00,136 WARN L178 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2018-10-04 13:07:00,651 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-04 13:07:01,232 WARN L178 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 79 [2018-10-04 13:07:01,622 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-04 13:07:02,053 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-04 13:07:02,267 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2018-10-04 13:07:02,467 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 31 [2018-10-04 13:07:03,574 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-04 13:07:03,858 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 40 [2018-10-04 13:07:05,031 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-10-04 13:07:05,465 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 39 [2018-10-04 13:07:05,983 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-10-04 13:07:06,308 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 59 [2018-10-04 13:07:06,900 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2018-10-04 13:07:07,542 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-04 13:07:08,086 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2018-10-04 13:07:08,808 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 60 [2018-10-04 13:07:09,978 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-10-04 13:07:10,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:10,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 17 states and 46 transitions. [2018-10-04 13:07:10,378 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 46 transitions. [2018-10-04 13:07:10,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 13:07:10,378 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-10-04 13:07:10,389 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-04 13:07:11,196 WARN L178 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 92 [2018-10-04 13:07:11,657 WARN L178 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 82 [2018-10-04 13:07:11,658 INFO L582 CodeCheckObserver]: Invariant with dag size 82 [2018-10-04 13:07:11,671 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 04.10 01:07:11 ImpRootNode [2018-10-04 13:07:11,671 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-04 13:07:11,672 INFO L168 Benchmark]: Toolchain (without parser) took 236065.46 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 893.4 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -16.7 MB). Peak memory consumption was 876.6 MB. Max. memory is 7.1 GB. [2018-10-04 13:07:11,673 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-10-04 13:07:11,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.83 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. [2018-10-04 13:07:11,674 INFO L168 Benchmark]: Boogie Preprocessor took 32.01 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. [2018-10-04 13:07:11,675 INFO L168 Benchmark]: RCFGBuilder took 1810.96 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. [2018-10-04 13:07:11,675 INFO L168 Benchmark]: CodeCheck took 234175.25 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 893.4 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -80.2 MB). Peak memory consumption was 813.2 MB. Max. memory is 7.1 GB. [2018-10-04 13:07:11,679 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, 232.8s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21100 SDtfs, 20550 SDslu, 0 SDs, 0 SdLazy, 151276 SolverSat, 34106 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2736 GetRequests, 2258 SyntacticMatches, 120 SemanticMatches, 358 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84775 ImplicationChecksByTransitivity, 220.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 166.0s 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) && qDC2 == 2) && (current' + 1 <= goal' || goal' + 1 <= current')) && min <= current') && goal' <= max) && min <= goal') || ((((((((((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') && qDC1 <= 1) && ((goal' <= max && current' + 1 <= goal') || ((current' <= max && 0 == dir' + 1) && goal' + 1 <= current'))) && qCSP == 3)) || (((((current' <= goal' && qDC2 == 1) && goal' <= max) && min <= goal') && qCSP == 1) && goal' <= current')) || (((((!(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)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 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 41.83 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 32.01 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 1810.96 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 234175.25 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 893.4 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -80.2 MB). Peak memory consumption was 813.2 MB. 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-0-2018-10-04_13-07-11-692.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-0-2018-10-04_13-07-11-692.csv Received shutdown request...