java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 10:00:21,127 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 10:00:21,129 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 10:00:21,140 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 10:00:21,140 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 10:00:21,142 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 10:00:21,143 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 10:00:21,145 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 10:00:21,146 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 10:00:21,147 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 10:00:21,148 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 10:00:21,148 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 10:00:21,149 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 10:00:21,150 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 10:00:21,151 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 10:00:21,152 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 10:00:21,153 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 10:00:21,155 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 10:00:21,157 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 10:00:21,159 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 10:00:21,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 10:00:21,161 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 10:00:21,163 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 10:00:21,164 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 10:00:21,164 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 10:00:21,165 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 10:00:21,166 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 10:00:21,167 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 10:00:21,168 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 10:00:21,169 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 10:00:21,169 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 10:00:21,170 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 10:00:21,170 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 10:00:21,170 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 10:00:21,171 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 10:00:21,172 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 10:00:21,173 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-03 10:00:21,189 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 10:00:21,189 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 10:00:21,190 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 10:00:21,191 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 10:00:21,191 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 10:00:21,191 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 10:00:21,192 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 10:00:21,192 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 10:00:21,192 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 10:00:21,192 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 10:00:21,193 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 10:00:21,193 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 10:00:21,193 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 10:00:21,193 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 10:00:21,193 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 10:00:21,193 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 10:00:21,194 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 10:00:21,194 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 10:00:21,194 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 10:00:21,194 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-03 10:00:21,195 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 10:00:21,195 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 10:00:21,195 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:00:21,195 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 10:00:21,195 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 10:00:21,196 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 10:00:21,196 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 10:00:21,196 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 10:00:21,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 10:00:21,196 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 10:00:21,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 10:00:21,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 10:00:21,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 10:00:21,284 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 10:00:21,284 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 10:00:21,285 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-10-03 10:00:21,286 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-10-03 10:00:21,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 10:00:21,357 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 10:00:21,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 10:00:21,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 10:00:21,359 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 10:00:21,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,400 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-03 10:00:21,400 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-03 10:00:21,400 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-03 10:00:21,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 10:00:21,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 10:00:21,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 10:00:21,404 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 10:00:21,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (1/1) ... [2018-10-03 10:00:21,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 10:00:21,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 10:00:21,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 10:00:21,437 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 10:00:21,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:00:21" (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 [2018-10-03 10:00:21,521 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-10-03 10:00:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-10-03 10:00:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-10-03 10:00:23,144 INFO L337 CfgBuilder]: Using library mode [2018-10-03 10:00:23,145 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:00:23 BoogieIcfgContainer [2018-10-03 10:00:23,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 10:00:23,146 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 10:00:23,151 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 10:00:23,163 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 10:00:23,164 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:00:23" (1/1) ... [2018-10-03 10:00:23,183 INFO L106 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-03 10:00:23,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:23,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-03 10:00:23,218 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-03 10:00:23,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-03 10:00:23,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:23,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-10-03 10:00:23,818 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-10-03 10:00:23,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 10:00:23,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:24,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:25,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:25,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-10-03 10:00:25,282 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-10-03 10:00:25,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 10:00:25,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:26,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:26,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 13 states and 28 transitions. [2018-10-03 10:00:26,980 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 28 transitions. [2018-10-03 10:00:26,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:00:26,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:27,504 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:29,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:29,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2018-10-03 10:00:29,691 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2018-10-03 10:00:29,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:00:29,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:29,822 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:30,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:30,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 49 transitions. [2018-10-03 10:00:30,341 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 49 transitions. [2018-10-03 10:00:30,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:00:30,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:31,532 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:34,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 27 states and 87 transitions. [2018-10-03 10:00:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 87 transitions. [2018-10-03 10:00:34,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:00:34,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:37,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:37,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 29 states and 97 transitions. [2018-10-03 10:00:37,586 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 97 transitions. [2018-10-03 10:00:37,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:00:37,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:37,963 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:39,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:39,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 32 states and 109 transitions. [2018-10-03 10:00:39,397 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 109 transitions. [2018-10-03 10:00:39,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:00:39,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:44,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:44,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 40 states and 151 transitions. [2018-10-03 10:00:44,915 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 151 transitions. [2018-10-03 10:00:44,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:00:44,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:45,470 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:49,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:49,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 44 states and 176 transitions. [2018-10-03 10:00:49,768 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 176 transitions. [2018-10-03 10:00:49,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:00:49,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:53,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 45 states and 181 transitions. [2018-10-03 10:00:53,117 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 181 transitions. [2018-10-03 10:00:53,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:00:53,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:53,619 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:55,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:55,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 46 states and 185 transitions. [2018-10-03 10:00:55,786 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 185 transitions. [2018-10-03 10:00:55,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:00:55,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:00:56,223 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:00:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:00:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 48 states and 200 transitions. [2018-10-03 10:00:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 200 transitions. [2018-10-03 10:00:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:00:58,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:00:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:01:01,387 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:01:13,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:01:13,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 54 states and 235 transitions. [2018-10-03 10:01:13,231 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 235 transitions. [2018-10-03 10:01:13,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:01:13,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:01:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:01:13,972 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:01:23,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:01:23,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 59 states and 267 transitions. [2018-10-03 10:01:23,988 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 267 transitions. [2018-10-03 10:01:23,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:01:23,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:01:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:01:24,739 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:01:31,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:01:31,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 62 states and 278 transitions. [2018-10-03 10:01:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 278 transitions. [2018-10-03 10:01:31,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:01:31,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:01:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:01:32,227 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:01:36,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:01:36,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 64 states and 285 transitions. [2018-10-03 10:01:36,725 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 285 transitions. [2018-10-03 10:01:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:01:36,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:01:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:01:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:02:00,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:02:00,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 72 states and 335 transitions. [2018-10-03 10:02:00,969 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 335 transitions. [2018-10-03 10:02:00,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:02:00,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:02:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:02:01,902 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:02:11,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:02:11,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 75 states and 347 transitions. [2018-10-03 10:02:11,670 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 347 transitions. [2018-10-03 10:02:11,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:02:11,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:02:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:02:12,434 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:02:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:02:24,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 80 states and 362 transitions. [2018-10-03 10:02:24,534 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 362 transitions. [2018-10-03 10:02:24,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:02:24,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:02:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:02:25,145 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:02:35,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:02:35,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 84 states and 382 transitions. [2018-10-03 10:02:35,106 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 382 transitions. [2018-10-03 10:02:35,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:02:35,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:02:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:02:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:02:42,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:02:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 85 states and 388 transitions. [2018-10-03 10:02:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 388 transitions. [2018-10-03 10:02:42,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:02:42,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:02:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:02:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:02:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:02:46,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 86 states and 390 transitions. [2018-10-03 10:02:46,256 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 390 transitions. [2018-10-03 10:02:46,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:02:46,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:02:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:02:59,627 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 94 states and 433 transitions. [2018-10-03 10:04:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 433 transitions. [2018-10-03 10:04:03,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:04:03,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:05,329 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:25,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:25,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 96 states and 443 transitions. [2018-10-03 10:04:25,256 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 443 transitions. [2018-10-03 10:04:25,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:04:25,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown