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/Elevator.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 03:03:33,568 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 03:03:33,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 03:03:33,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 03:03:33,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 03:03:33,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 03:03:33,597 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 03:03:33,600 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 03:03:33,603 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 03:03:33,604 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 03:03:33,611 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 03:03:33,612 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 03:03:33,616 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 03:03:33,617 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 03:03:33,621 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 03:03:33,622 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 03:03:33,623 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 03:03:33,625 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 03:03:33,631 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 03:03:33,634 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 03:03:33,636 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 03:03:33,637 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 03:03:33,642 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 03:03:33,642 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 03:03:33,643 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 03:03:33,644 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 03:03:33,645 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 03:03:33,646 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 03:03:33,647 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 03:03:33,652 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 03:03:33,652 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 03:03:33,653 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 03:03:33,654 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 03:03:33,654 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 03:03:33,655 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 03:03:33,655 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 03:03:33,656 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 [2018-10-01 03:03:33,676 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 03:03:33,676 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 03:03:33,677 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 03:03:33,677 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 03:03:33,678 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 03:03:33,678 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 03:03:33,679 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 03:03:33,679 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 03:03:33,679 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 03:03:33,679 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 03:03:33,679 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 03:03:33,680 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 03:03:33,680 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 03:03:33,680 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 03:03:33,680 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 03:03:33,680 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 03:03:33,681 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 03:03:33,681 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 03:03:33,681 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 03:03:33,681 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 03:03:33,682 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 03:03:33,682 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 03:03:33,682 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 03:03:33,682 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 03:03:33,682 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 03:03:33,683 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 03:03:33,683 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 03:03:33,683 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 03:03:33,683 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 03:03:33,683 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 03:03:33,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 03:03:33,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 03:03:33,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 03:03:33,772 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 03:03:33,773 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 03:03:33,774 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator.bpl [2018-10-01 03:03:33,774 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator.bpl' [2018-10-01 03:03:33,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 03:03:33,859 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 03:03:33,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 03:03:33,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 03:03:33,861 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 03:03:33,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,904 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 03:03:33,905 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 03:03:33,905 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 03:03:33,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 03:03:33,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 03:03:33,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 03:03:33,909 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 03:03:33,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (1/1) ... [2018-10-01 03:03:33,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 03:03:33,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 03:03:33,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 03:03:33,970 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 03:03:33,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:33" (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 [2018-10-01 03:03:34,071 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-10-01 03:03:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-10-01 03:03:34,072 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-10-01 03:03:35,800 INFO L345 CfgBuilder]: Using library mode [2018-10-01 03:03:35,801 INFO L202 PluginConnector]: Adding new model Elevator.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:03:35 BoogieIcfgContainer [2018-10-01 03:03:35,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 03:03:35,802 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 03:03:35,803 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 03:03:35,814 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 03:03:35,814 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Elevator.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:03:35" (1/1) ... [2018-10-01 03:03:35,829 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 03:03:35,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:35,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-01 03:03:35,865 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-01 03:03:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-01 03:03:35,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:36,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-01 03:03:36,896 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-01 03:03:36,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 03:03:36,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:37,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:37,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2018-10-01 03:03:37,994 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2018-10-01 03:03:37,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 03:03:37,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:39,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:39,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 13 states and 25 transitions. [2018-10-01 03:03:39,650 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 25 transitions. [2018-10-01 03:03:39,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 03:03:39,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:40,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:42,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 17 states and 36 transitions. [2018-10-01 03:03:42,284 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 36 transitions. [2018-10-01 03:03:42,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 03:03:42,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:43,086 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:45,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:45,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 19 states and 44 transitions. [2018-10-01 03:03:45,965 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 44 transitions. [2018-10-01 03:03:45,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:03:45,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:53,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:53,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 26 states and 75 transitions. [2018-10-01 03:03:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 75 transitions. [2018-10-01 03:03:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:03:53,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:56,838 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 34 states and 110 transitions. [2018-10-01 03:04:08,896 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 110 transitions. [2018-10-01 03:04:08,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:04:08,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:16,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:16,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 38 states and 123 transitions. [2018-10-01 03:04:16,976 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 123 transitions. [2018-10-01 03:04:16,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 03:04:16,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:44,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:44,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 44 states and 154 transitions. [2018-10-01 03:04:44,355 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 154 transitions. [2018-10-01 03:04:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 03:04:44,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:46,471 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:57,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 46 states and 163 transitions. [2018-10-01 03:04:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 163 transitions. [2018-10-01 03:04:57,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-01 03:04:57,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:20,392 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:23,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:23,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 60 states and 234 transitions. [2018-10-01 03:07:23,528 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 234 transitions. [2018-10-01 03:07:23,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 03:07:23,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:30,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:30,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 65 states and 254 transitions. [2018-10-01 03:09:30,631 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 254 transitions. [2018-10-01 03:09:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-01 03:09:30,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:17,572 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:56,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 79 states and 316 transitions. [2018-10-01 03:14:56,484 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 316 transitions. [2018-10-01 03:14:56,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-01 03:14:56,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:09,163 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:24,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:24,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 81 states and 328 transitions. [2018-10-01 03:16:24,551 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 328 transitions. [2018-10-01 03:16:24,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-01 03:16:24,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:20,227 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 1 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown