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-c372c2b [2018-10-02 12:26:39,919 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 12:26:39,921 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 12:26:39,934 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 12:26:39,934 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 12:26:39,935 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 12:26:39,936 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 12:26:39,939 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 12:26:39,942 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 12:26:39,943 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 12:26:39,952 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 12:26:39,953 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 12:26:39,954 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 12:26:39,958 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 12:26:39,959 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 12:26:39,960 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 12:26:39,964 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 12:26:39,969 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 12:26:39,973 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 12:26:39,975 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 12:26:39,976 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 12:26:39,979 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 12:26:39,983 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 12:26:39,984 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 12:26:39,984 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 12:26:39,988 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 12:26:39,990 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 12:26:39,991 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 12:26:39,992 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 12:26:39,994 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 12:26:39,994 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 12:26:39,995 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 12:26:39,995 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 12:26:39,995 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 12:26:39,996 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 12:26:39,998 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 12:26:39,999 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 [2018-10-02 12:26:40,026 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 12:26:40,026 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 12:26:40,027 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 12:26:40,027 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 12:26:40,028 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 12:26:40,030 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 12:26:40,031 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 12:26:40,031 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 12:26:40,031 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 12:26:40,032 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 12:26:40,032 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 12:26:40,032 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 12:26:40,032 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 12:26:40,032 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 12:26:40,033 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 12:26:40,033 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 12:26:40,033 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 12:26:40,033 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 12:26:40,033 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 12:26:40,034 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 12:26:40,034 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 12:26:40,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:26:40,034 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 12:26:40,036 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 12:26:40,036 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 12:26:40,036 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 12:26:40,037 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 12:26:40,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 12:26:40,038 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 12:26:40,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 12:26:40,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 12:26:40,134 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 12:26:40,136 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 12:26:40,136 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 12:26:40,137 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl [2018-10-02 12:26:40,137 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl' [2018-10-02 12:26:40,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 12:26:40,219 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 12:26:40,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 12:26:40,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 12:26:40,220 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 12:26:40,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,260 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-02 12:26:40,261 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-02 12:26:40,261 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-02 12:26:40,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 12:26:40,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 12:26:40,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 12:26:40,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 12:26:40,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 12:26:40,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 12:26:40,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 12:26:40,304 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 12:26:40,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (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 [2018-10-02 12:26:40,387 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-10-02 12:26:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-10-02 12:26:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-10-02 12:26:42,156 INFO L337 CfgBuilder]: Using library mode [2018-10-02 12:26:42,157 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:26:42 BoogieIcfgContainer [2018-10-02 12:26:42,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 12:26:42,158 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 12:26:42,158 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 12:26:42,170 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 12:26:42,171 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:26:42" (1/1) ... [2018-10-02 12:26:42,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 12:26:42,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-02 12:26:42,227 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-02 12:26:42,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-02 12:26:42,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:42,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:42,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-02 12:26:42,884 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-02 12:26:42,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 12:26:42,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:43,361 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 10 [2018-10-02 12:26:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2018-10-02 12:26:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2018-10-02 12:26:43,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:26:43,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:44,271 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2018-10-02 12:26:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:45,436 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-10-02 12:26:45,617 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-10-02 12:26:46,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:46,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 14 states and 31 transitions. [2018-10-02 12:26:46,236 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 31 transitions. [2018-10-02 12:26:46,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 12:26:46,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:46,880 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2018-10-02 12:26:47,161 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2018-10-02 12:26:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:47,877 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2018-10-02 12:26:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:48,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 17 states and 41 transitions. [2018-10-02 12:26:48,696 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 41 transitions. [2018-10-02 12:26:48,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 12:26:48,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:49,775 WARN L178 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2018-10-02 12:26:50,151 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 51 [2018-10-02 12:26:50,550 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 50 [2018-10-02 12:26:50,804 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2018-10-02 12:26:51,072 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:51,609 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2018-10-02 12:26:52,488 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2018-10-02 12:26:52,745 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-10-02 12:26:52,914 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2018-10-02 12:26:53,476 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-10-02 12:26:54,069 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2018-10-02 12:26:54,711 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-10-02 12:26:55,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 26 states and 79 transitions. [2018-10-02 12:26:55,200 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 79 transitions. [2018-10-02 12:26:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:26:55,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:56,964 WARN L178 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 38 [2018-10-02 12:26:58,145 WARN L178 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 59 [2018-10-02 12:26:59,610 WARN L178 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 196 DAG size of output: 77 [2018-10-02 12:27:01,082 WARN L178 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 195 DAG size of output: 78 [2018-10-02 12:27:01,975 WARN L178 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 71 [2018-10-02 12:27:02,879 WARN L178 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 67 [2018-10-02 12:27:03,317 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 51 [2018-10-02 12:27:03,692 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 42 [2018-10-02 12:27:03,727 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:03,901 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2018-10-02 12:27:04,126 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2018-10-02 12:27:04,810 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 42 [2018-10-02 12:27:05,606 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-10-02 12:27:06,105 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2018-10-02 12:27:06,456 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2018-10-02 12:27:07,205 WARN L178 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-10-02 12:27:07,422 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2018-10-02 12:27:08,061 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-10-02 12:27:08,790 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2018-10-02 12:27:09,632 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2018-10-02 12:27:09,925 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2018-10-02 12:27:10,461 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2018-10-02 12:27:10,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:10,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 31 states and 107 transitions. [2018-10-02 12:27:10,738 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 107 transitions. [2018-10-02 12:27:10,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:27:10,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:13,261 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2018-10-02 12:27:13,401 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2018-10-02 12:27:13,854 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2018-10-02 12:27:14,091 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2018-10-02 12:27:14,681 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2018-10-02 12:27:14,930 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 58 [2018-10-02 12:27:15,348 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-10-02 12:27:15,568 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 34 [2018-10-02 12:27:16,106 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 36 [2018-10-02 12:27:16,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:16,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 34 states and 118 transitions. [2018-10-02 12:27:16,361 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 118 transitions. [2018-10-02 12:27:16,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 12:27:16,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:18,804 WARN L178 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 41 [2018-10-02 12:27:19,961 WARN L178 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 41 [2018-10-02 12:27:22,221 WARN L178 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 390 DAG size of output: 70 [2018-10-02 12:27:24,491 WARN L178 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 391 DAG size of output: 70 [2018-10-02 12:27:26,725 WARN L178 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 418 DAG size of output: 83 [2018-10-02 12:27:30,906 WARN L178 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 427 DAG size of output: 119 [2018-10-02 12:27:33,969 WARN L178 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 430 DAG size of output: 117 [2018-10-02 12:27:35,515 WARN L178 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 310 DAG size of output: 69 [2018-10-02 12:27:37,180 WARN L178 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 313 DAG size of output: 72 [2018-10-02 12:27:37,744 WARN L178 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2018-10-02 12:27:38,320 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 21 [2018-10-02 12:27:38,333 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:38,757 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2018-10-02 12:27:39,900 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 36 [2018-10-02 12:27:40,272 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2018-10-02 12:27:40,953 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2018-10-02 12:27:41,322 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 43 [2018-10-02 12:27:41,706 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-10-02 12:27:41,964 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2018-10-02 12:27:42,794 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2018-10-02 12:27:43,329 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 51 [2018-10-02 12:27:43,841 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-02 12:27:44,139 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 57 [2018-10-02 12:27:44,366 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-10-02 12:27:44,638 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2018-10-02 12:27:45,225 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-02 12:27:45,569 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2018-10-02 12:27:45,870 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-10-02 12:27:46,109 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2018-10-02 12:27:48,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:48,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 47 states and 177 transitions. [2018-10-02 12:27:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 177 transitions. [2018-10-02 12:27:48,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:27:48,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:50,156 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-02 12:27:51,245 WARN L178 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 33 [2018-10-02 12:27:52,047 WARN L178 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 32 [2018-10-02 12:27:53,333 WARN L178 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 49 [2018-10-02 12:27:55,629 WARN L178 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 280 DAG size of output: 69 [2018-10-02 12:27:58,326 WARN L178 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 313 DAG size of output: 85 [2018-10-02 12:28:00,401 WARN L178 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 331 DAG size of output: 86 [2018-10-02 12:28:02,656 WARN L178 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 362 DAG size of output: 107 [2018-10-02 12:28:04,883 WARN L178 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 360 DAG size of output: 102 [2018-10-02 12:28:06,968 WARN L178 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 295 DAG size of output: 95 [2018-10-02 12:28:08,986 WARN L178 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 295 DAG size of output: 97 [2018-10-02 12:28:09,533 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 31 [2018-10-02 12:28:10,050 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 25 [2018-10-02 12:28:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:10,862 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2018-10-02 12:28:11,173 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-10-02 12:28:11,335 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 36 [2018-10-02 12:28:12,287 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2018-10-02 12:28:12,649 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-02 12:28:13,072 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 63 [2018-10-02 12:28:13,973 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 54 [2018-10-02 12:28:14,320 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-10-02 12:28:14,746 WARN L178 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2018-10-02 12:28:16,145 WARN L178 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2018-10-02 12:28:17,055 WARN L178 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2018-10-02 12:28:17,417 WARN L178 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2018-10-02 12:28:17,981 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-10-02 12:28:18,346 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2018-10-02 12:28:19,382 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-02 12:28:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:19,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 53 states and 198 transitions. [2018-10-02 12:28:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 198 transitions. [2018-10-02 12:28:19,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-02 12:28:19,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:22,430 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2018-10-02 12:28:23,147 WARN L178 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 35 [2018-10-02 12:28:25,392 WARN L178 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 336 DAG size of output: 53 [2018-10-02 12:28:29,256 WARN L178 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 478 DAG size of output: 89 [2018-10-02 12:28:33,765 WARN L178 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 614 DAG size of output: 110 [2018-10-02 12:28:37,265 WARN L178 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 470 DAG size of output: 59 [2018-10-02 12:28:40,549 WARN L178 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 347 DAG size of output: 76 [2018-10-02 12:28:42,933 WARN L178 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 348 DAG size of output: 68 [2018-10-02 12:28:44,234 WARN L178 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 61 [2018-10-02 12:28:45,295 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2018-10-02 12:28:45,819 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 29 [2018-10-02 12:28:45,831 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:47,364 WARN L178 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2018-10-02 12:28:48,176 WARN L178 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2018-10-02 12:28:48,869 WARN L178 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2018-10-02 12:28:49,545 WARN L178 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2018-10-02 12:28:49,942 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-10-02 12:28:50,285 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-10-02 12:28:50,662 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 26 [2018-10-02 12:28:51,492 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2018-10-02 12:28:51,744 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-10-02 12:28:53,052 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-10-02 12:28:53,413 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-10-02 12:28:53,623 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2018-10-02 12:28:54,176 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2018-10-02 12:28:55,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:55,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 58 states and 220 transitions. [2018-10-02 12:28:55,098 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 220 transitions. [2018-10-02 12:28:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-02 12:28:55,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:58,637 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2018-10-02 12:28:58,938 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 36 [2018-10-02 12:28:59,815 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2018-10-02 12:29:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:29:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 60 states and 223 transitions. [2018-10-02 12:29:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 223 transitions. [2018-10-02 12:29:00,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-02 12:29:00,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:29:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:29:06,646 WARN L178 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 480 DAG size of output: 33 [2018-10-02 12:29:11,797 WARN L178 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 556 DAG size of output: 46 [2018-10-02 12:29:19,081 WARN L178 SmtUtils]: Spent 5.94 s on a formula simplification. DAG size of input: 628 DAG size of output: 86 [2018-10-02 12:29:26,201 WARN L178 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 626 DAG size of output: 85 [2018-10-02 12:29:33,930 WARN L178 SmtUtils]: Spent 6.32 s on a formula simplification. DAG size of input: 606 DAG size of output: 68 [2018-10-02 12:29:44,967 WARN L178 SmtUtils]: Spent 7.77 s on a formula simplification. DAG size of input: 722 DAG size of output: 99 [2018-10-02 12:29:51,925 WARN L178 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 630 DAG size of output: 96 [2018-10-02 12:29:59,276 WARN L178 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 632 DAG size of output: 100 [2018-10-02 12:30:03,838 WARN L178 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 537 DAG size of output: 89 [2018-10-02 12:30:08,782 WARN L178 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 542 DAG size of output: 90 [2018-10-02 12:30:15,002 WARN L178 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 526 DAG size of output: 76 [2018-10-02 12:30:20,752 WARN L178 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 535 DAG size of output: 79 [2018-10-02 12:30:22,220 WARN L178 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 35 [2018-10-02 12:30:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:23,547 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-02 12:30:23,957 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-10-02 12:30:24,383 WARN L178 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2018-10-02 12:30:25,123 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2018-10-02 12:30:25,500 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-10-02 12:30:27,240 WARN L178 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2018-10-02 12:30:27,758 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-02 12:30:28,331 WARN L178 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 79 [2018-10-02 12:30:28,739 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-02 12:30:29,170 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-02 12:30:29,387 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2018-10-02 12:30:29,593 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 31 [2018-10-02 12:30:30,916 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-02 12:30:31,190 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 40 [2018-10-02 12:30:32,335 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-10-02 12:30:32,750 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 39 [2018-10-02 12:30:33,262 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-10-02 12:30:33,629 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 59 [2018-10-02 12:30:34,227 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2018-10-02 12:30:34,911 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-02 12:30:35,477 WARN L178 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2018-10-02 12:30:36,157 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 60 [2018-10-02 12:30:37,261 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-10-02 12:30:37,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:37,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 17 states and 46 transitions. [2018-10-02 12:30:37,643 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 46 transitions. [2018-10-02 12:30:37,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-02 12:30:37,643 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 0 iterations. [2018-10-02 12:30:37,688 INFO L760 CodeCheckObserver]: 0 DeclaredPredicates, 2736 GetRequests, 2258 SyntacticMatches, 120 SemanticMatches, 358 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84774 ImplicationChecksByTransitivity, 222.1s TimeCoverageRelationStatistics Valid=24519, Invalid=104721, Unknown=0, NotChecked=0, Total=129240 [2018-10-02 12:30:37,692 INFO L776 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-02 12:30:37,710 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.10 12:30:37 ImpRootNode [2018-10-02 12:30:37,710 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-02 12:30:37,711 INFO L168 Benchmark]: Toolchain (without parser) took 237494.63 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 596.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -20.4 MB). Peak memory consumption was 576.3 MB. Max. memory is 7.1 GB. [2018-10-02 12:30:37,712 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:30:37,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:30:37,713 INFO L168 Benchmark]: Boogie Preprocessor took 33.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:30:37,713 INFO L168 Benchmark]: RCFGBuilder took 1859.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 7.1 GB. [2018-10-02 12:30:37,714 INFO L168 Benchmark]: CodeCheck took 235552.08 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 596.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -83.8 MB). Peak memory consumption was 512.8 MB. Max. memory is 7.1 GB. [2018-10-02 12:30:37,717 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, 235.4s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21100 SDtfs, 20546 SDslu, 0 SDs, 0 SdLazy, 151280 SolverSat, 34106 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.8s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 167.8s 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)) || (((((goal' == current' && qDC2 == 1) && goal' <= max) && min <= goal') && !(qDC1 == 1)) && qCSP == 1)) || (((((((((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')) || (((((!(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))) || ((((((((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)) || (((((((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 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1859.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 7.1 GB. * CodeCheck took 235552.08 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 596.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -83.8 MB). Peak memory consumption was 512.8 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-0-2018-10-02_12-30-37-730.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-0-2018-10-02_12-30-37-730.csv Received shutdown request...