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 0.1.23-1cc990c [2018-09-30 21:32:01,684 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:32:01,686 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:32:01,699 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:32:01,699 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:32:01,700 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:32:01,701 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:32:01,703 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:32:01,705 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:32:01,706 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:32:01,707 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:32:01,707 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:32:01,709 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:32:01,710 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:32:01,711 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:32:01,712 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:32:01,713 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:32:01,715 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:32:01,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:32:01,719 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:32:01,720 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:32:01,722 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:32:01,724 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:32:01,725 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:32:01,725 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:32:01,726 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:32:01,727 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:32:01,728 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:32:01,729 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:32:01,731 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:32:01,731 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:32:01,732 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:32:01,732 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:32:01,733 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:32:01,734 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:32:01,735 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:32:01,735 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 [2018-09-30 21:32:01,752 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:32:01,753 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:32:01,754 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:32:01,754 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:32:01,755 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:32:01,755 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:32:01,756 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:32:01,756 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:32:01,756 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:32:01,756 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:32:01,756 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:32:01,757 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:32:01,757 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:32:01,757 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:32:01,757 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:32:01,757 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:32:01,758 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:32:01,758 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:32:01,758 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:32:01,758 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 21:32:01,758 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:32:01,759 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:32:01,759 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:32:01,759 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:32:01,759 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:32:01,759 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:32:01,760 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:32:01,760 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:32:01,760 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:32:01,760 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:32:01,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:32:01,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:32:01,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:32:01,831 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:32:01,831 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:32:01,832 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-09-30 21:32:01,833 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-09-30 21:32:01,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:32:01,899 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:32:01,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:32:01,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:32:01,901 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:32:01,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:01" (1/1) ... [2018-09-30 21:32:01,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:01" (1/1) ... [2018-09-30 21:32:01,941 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 21:32:01,941 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 21:32:01,941 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 21:32:01,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:32:01,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:32:01,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:32:01,945 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:32:01,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:01" (1/1) ... [2018-09-30 21:32:01,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:01" (1/1) ... [2018-09-30 21:32:01,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:01" (1/1) ... [2018-09-30 21:32:01,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:01" (1/1) ... [2018-09-30 21:32:01,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:01" (1/1) ... [2018-09-30 21:32:01,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:01" (1/1) ... [2018-09-30 21:32:01,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:01" (1/1) ... [2018-09-30 21:32:01,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:32:02,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:32:02,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:32:02,003 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:32:02,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:01" (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 [2018-09-30 21:32:02,104 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-30 21:32:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-30 21:32:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-30 21:32:03,738 INFO L345 CfgBuilder]: Using library mode [2018-09-30 21:32:03,738 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:32:03 BoogieIcfgContainer [2018-09-30 21:32:03,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:32:03,740 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:32:03,740 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:32:03,756 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:32:03,756 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:32:03" (1/1) ... [2018-09-30 21:32:03,772 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 21:32:03,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:03,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-30 21:32:03,807 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-30 21:32:03,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-30 21:32:03,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:04,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:04,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-09-30 21:32:04,295 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-30 21:32:04,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:32:04,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:04,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:05,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-09-30 21:32:05,558 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-09-30 21:32:05,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:32:05,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:07,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 13 states and 28 transitions. [2018-09-30 21:32:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 28 transitions. [2018-09-30 21:32:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:32:07,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:08,044 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:10,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:10,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 18 states and 45 transitions. [2018-09-30 21:32:10,315 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 45 transitions. [2018-09-30 21:32:10,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:32:10,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:11,291 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:15,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:15,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 26 states and 81 transitions. [2018-09-30 21:32:15,115 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 81 transitions. [2018-09-30 21:32:15,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:32:15,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:15,436 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:16,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 27 states and 84 transitions. [2018-09-30 21:32:16,785 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 84 transitions. [2018-09-30 21:32:16,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:32:16,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:19,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 30 states and 96 transitions. [2018-09-30 21:32:19,028 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 96 transitions. [2018-09-30 21:32:19,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:32:19,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:26,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 38 states and 140 transitions. [2018-09-30 21:32:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 140 transitions. [2018-09-30 21:32:26,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:32:26,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:27,273 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:29,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:29,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 39 states and 150 transitions. [2018-09-30 21:32:29,691 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 150 transitions. [2018-09-30 21:32:29,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:32:29,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:30,201 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:32,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 40 states and 157 transitions. [2018-09-30 21:32:32,242 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 157 transitions. [2018-09-30 21:32:32,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:32:32,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:36,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:36,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 43 states and 174 transitions. [2018-09-30 21:32:36,538 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 174 transitions. [2018-09-30 21:32:36,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:32:36,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:50,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 49 states and 209 transitions. [2018-09-30 21:32:50,124 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 209 transitions. [2018-09-30 21:32:50,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:32:50,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:57,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:57,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 52 states and 217 transitions. [2018-09-30 21:32:57,216 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 217 transitions. [2018-09-30 21:32:57,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:32:57,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:57,909 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:05,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 56 states and 239 transitions. [2018-09-30 21:33:05,874 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 239 transitions. [2018-09-30 21:33:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:33:05,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:29,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:29,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 64 states and 292 transitions. [2018-09-30 21:33:29,909 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 292 transitions. [2018-09-30 21:33:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:33:29,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:30,869 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:38,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:38,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 66 states and 300 transitions. [2018-09-30 21:33:38,810 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 300 transitions. [2018-09-30 21:33:38,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:33:38,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 70 states and 314 transitions. [2018-09-30 21:33:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 314 transitions. [2018-09-30 21:33:52,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:33:52,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:52,774 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:57,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:57,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 71 states and 319 transitions. [2018-09-30 21:33:57,933 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 319 transitions. [2018-09-30 21:33:57,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:33:57,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:58,602 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:06,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:06,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 72 states and 329 transitions. [2018-09-30 21:34:06,135 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 329 transitions. [2018-09-30 21:34:06,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:34:06,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:13,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:13,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 74 states and 341 transitions. [2018-09-30 21:34:13,380 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 341 transitions. [2018-09-30 21:34:13,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:34:13,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:13,866 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:18,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 75 states and 342 transitions. [2018-09-30 21:34:18,579 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 342 transitions. [2018-09-30 21:34:18,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:34:18,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:35:35,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:35,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 84 states and 397 transitions. [2018-09-30 21:35:35,005 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 397 transitions. [2018-09-30 21:35:35,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:35:35,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:37,405 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:08,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 88 states and 424 transitions. [2018-09-30 21:36:08,216 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 424 transitions. [2018-09-30 21:36:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:36:08,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:10,536 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