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 0.1.23-9f4048f-m [2018-10-04 14:42:23,874 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 14:42:23,876 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 14:42:23,888 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 14:42:23,888 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 14:42:23,889 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 14:42:23,891 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 14:42:23,892 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 14:42:23,894 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 14:42:23,895 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 14:42:23,896 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 14:42:23,896 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 14:42:23,897 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 14:42:23,898 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 14:42:23,899 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 14:42:23,900 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 14:42:23,901 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 14:42:23,903 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 14:42:23,907 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 14:42:23,911 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 14:42:23,913 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 14:42:23,915 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 14:42:23,921 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 14:42:23,921 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 14:42:23,921 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 14:42:23,923 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 14:42:23,924 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 14:42:23,926 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 14:42:23,930 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 14:42:23,931 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 14:42:23,931 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 14:42:23,933 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 14:42:23,933 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 14:42:23,935 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 14:42:23,936 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 14:42:23,938 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 14:42:23,938 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 [2018-10-04 14:42:23,962 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 14:42:23,966 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 14:42:23,967 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 14:42:23,967 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 14:42:23,968 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 14:42:23,968 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 14:42:23,969 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 14:42:23,969 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 14:42:23,969 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 14:42:23,969 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 14:42:23,969 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 14:42:23,969 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 14:42:23,972 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 14:42:23,973 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 14:42:23,973 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 14:42:23,973 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 14:42:23,973 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 14:42:23,974 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 14:42:23,975 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 14:42:23,975 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 14:42:23,975 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 14:42:23,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 14:42:23,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 14:42:23,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 14:42:23,976 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 14:42:23,976 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 14:42:23,977 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 14:42:23,978 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 14:42:23,978 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 14:42:23,978 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 14:42:24,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 14:42:24,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 14:42:24,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 14:42:24,041 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 14:42:24,042 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 14:42:24,043 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-10-04 14:42:24,043 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-10-04 14:42:24,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 14:42:24,106 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 14:42:24,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 14:42:24,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 14:42:24,111 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 14:42:24,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:24" (1/1) ... [2018-10-04 14:42:24,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:24" (1/1) ... [2018-10-04 14:42:24,154 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 14:42:24,154 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 14:42:24,155 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 14:42:24,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 14:42:24,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 14:42:24,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 14:42:24,158 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 14:42:24,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:24" (1/1) ... [2018-10-04 14:42:24,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:24" (1/1) ... [2018-10-04 14:42:24,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:24" (1/1) ... [2018-10-04 14:42:24,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:24" (1/1) ... [2018-10-04 14:42:24,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:24" (1/1) ... [2018-10-04 14:42:24,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:24" (1/1) ... [2018-10-04 14:42:24,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:24" (1/1) ... [2018-10-04 14:42:24,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 14:42:24,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 14:42:24,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 14:42:24,201 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 14:42:24,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:42:24" (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 14:42:24,268 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-10-04 14:42:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-10-04 14:42:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-10-04 14:42:26,047 INFO L338 CfgBuilder]: Using library mode [2018-10-04 14:42:26,048 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:42:26 BoogieIcfgContainer [2018-10-04 14:42:26,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 14:42:26,049 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 14:42:26,049 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 14:42:26,061 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 14:42:26,061 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:42:26" (1/1) ... [2018-10-04 14:42:26,077 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:42:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:26,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-04 14:42:26,120 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-04 14:42:26,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-04 14:42:26,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:26,295 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 14:42:26,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:26,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-10-04 14:42:26,669 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-10-04 14:42:26,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 14:42:26,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:28,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:28,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-10-04 14:42:28,040 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-10-04 14:42:28,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 14:42:28,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 13 states and 28 transitions. [2018-10-04 14:42:29,628 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 28 transitions. [2018-10-04 14:42:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 14:42:29,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:32,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:32,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2018-10-04 14:42:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2018-10-04 14:42:32,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 14:42:32,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:32,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:32,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 49 transitions. [2018-10-04 14:42:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 49 transitions. [2018-10-04 14:42:32,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:42:32,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:34,251 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:37,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:37,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 27 states and 87 transitions. [2018-10-04 14:42:37,716 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 87 transitions. [2018-10-04 14:42:37,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:42:37,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:37,941 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:39,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 30 states and 99 transitions. [2018-10-04 14:42:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 99 transitions. [2018-10-04 14:42:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:42:39,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:39,711 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:41,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 32 states and 109 transitions. [2018-10-04 14:42:41,463 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 109 transitions. [2018-10-04 14:42:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:42:41,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 40 states and 151 transitions. [2018-10-04 14:42:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 151 transitions. [2018-10-04 14:42:47,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:42:47,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 44 states and 176 transitions. [2018-10-04 14:42:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 176 transitions. [2018-10-04 14:42:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:42:51,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:54,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:54,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 45 states and 181 transitions. [2018-10-04 14:42:54,668 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 181 transitions. [2018-10-04 14:42:54,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:42:54,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:55,164 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:42:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:42:57,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 46 states and 185 transitions. [2018-10-04 14:42:57,801 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 185 transitions. [2018-10-04 14:42:57,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:42:57,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:42:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:42:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:00,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:00,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 48 states and 200 transitions. [2018-10-04 14:43:00,889 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 200 transitions. [2018-10-04 14:43:00,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:43:00,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:03,438 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:15,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 54 states and 241 transitions. [2018-10-04 14:43:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 241 transitions. [2018-10-04 14:43:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:43:15,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:16,522 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:26,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:26,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 59 states and 266 transitions. [2018-10-04 14:43:26,122 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 266 transitions. [2018-10-04 14:43:26,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:43:26,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:26,903 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:34,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 63 states and 282 transitions. [2018-10-04 14:43:34,084 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 282 transitions. [2018-10-04 14:43:34,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 14:43:34,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:38,187 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:43:53,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:43:53,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 69 states and 306 transitions. [2018-10-04 14:43:53,510 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 306 transitions. [2018-10-04 14:43:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 14:43:53,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:43:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:43:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:10,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 76 states and 350 transitions. [2018-10-04 14:44:10,971 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 350 transitions. [2018-10-04 14:44:10,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 14:44:10,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:22,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 79 states and 358 transitions. [2018-10-04 14:44:22,571 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 358 transitions. [2018-10-04 14:44:22,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 14:44:22,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:32,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:32,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 83 states and 379 transitions. [2018-10-04 14:44:32,353 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 379 transitions. [2018-10-04 14:44:32,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 14:44:32,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:44:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:44:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 84 states and 381 transitions. [2018-10-04 14:44:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 381 transitions. [2018-10-04 14:44:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:44:36,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:44:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:44:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:45:59,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:45:59,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 93 states and 441 transitions. [2018-10-04 14:45:59,300 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 441 transitions. [2018-10-04 14:45:59,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:45:59,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:45:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:01,642 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:21,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 95 states and 464 transitions. [2018-10-04 14:46:21,693 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 464 transitions. [2018-10-04 14:46:21,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:46:21,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:24,231 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