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-b2fde6a [2018-09-28 11:22:09,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:22:09,498 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:22:09,518 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:22:09,519 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:22:09,520 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:22:09,522 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:22:09,524 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:22:09,526 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:22:09,528 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:22:09,531 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:22:09,531 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:22:09,532 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:22:09,536 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:22:09,537 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:22:09,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:22:09,539 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:22:09,549 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:22:09,554 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:22:09,557 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:22:09,559 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:22:09,560 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:22:09,562 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:22:09,562 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:22:09,562 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:22:09,563 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:22:09,564 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:22:09,565 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:22:09,566 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:22:09,569 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:22:09,569 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:22:09,570 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:22:09,570 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:22:09,570 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:22:09,571 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:22:09,573 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:22:09,574 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 [2018-09-28 11:22:09,601 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:22:09,602 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:22:09,603 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:22:09,603 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:22:09,607 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:22:09,607 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:22:09,608 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:22:09,608 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:22:09,608 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:22:09,608 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:22:09,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:22:09,609 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:22:09,609 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:22:09,609 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:22:09,609 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:22:09,610 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:22:09,610 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:22:09,610 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:22:09,610 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:22:09,611 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-28 11:22:09,611 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:22:09,611 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:22:09,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:22:09,611 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:22:09,612 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:22:09,612 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:22:09,612 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:22:09,612 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:22:09,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:22:09,614 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:22:09,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:22:09,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:22:09,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:22:09,714 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:22:09,715 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:22:09,716 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-09-28 11:22:09,716 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-09-28 11:22:09,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:22:09,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:22:09,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:22:09,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:22:09,784 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:22:09,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:09" (1/1) ... [2018-09-28 11:22:09,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:09" (1/1) ... [2018-09-28 11:22:09,825 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-28 11:22:09,826 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-28 11:22:09,826 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-28 11:22:09,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:22:09,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:22:09,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:22:09,829 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:22:09,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:09" (1/1) ... [2018-09-28 11:22:09,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:09" (1/1) ... [2018-09-28 11:22:09,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:09" (1/1) ... [2018-09-28 11:22:09,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:09" (1/1) ... [2018-09-28 11:22:09,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:09" (1/1) ... [2018-09-28 11:22:09,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:09" (1/1) ... [2018-09-28 11:22:09,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:09" (1/1) ... [2018-09-28 11:22:09,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:22:09,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:22:09,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:22:09,867 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:22:09,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:09" (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 [2018-09-28 11:22:09,959 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-28 11:22:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-28 11:22:09,960 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-28 11:22:11,542 INFO L350 CfgBuilder]: Using library mode [2018-09-28 11:22:11,543 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:22:11 BoogieIcfgContainer [2018-09-28 11:22:11,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:22:11,544 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:22:11,544 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:22:11,556 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:22:11,557 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:22:11" (1/1) ... [2018-09-28 11:22:11,572 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 11:22:11,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:11,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-28 11:22:11,619 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-28 11:22:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-28 11:22:11,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:11,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:12,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:12,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-09-28 11:22:12,128 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-28 11:22:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:22:12,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:13,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-09-28 11:22:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-09-28 11:22:13,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:22:13,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:13,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:15,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:15,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 13 states and 28 transitions. [2018-09-28 11:22:15,587 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 28 transitions. [2018-09-28 11:22:15,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:22:15,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:16,054 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:18,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:18,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 18 states and 45 transitions. [2018-09-28 11:22:18,620 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 45 transitions. [2018-09-28 11:22:18,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 11:22:18,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:23,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:23,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 26 states and 81 transitions. [2018-09-28 11:22:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 81 transitions. [2018-09-28 11:22:23,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 11:22:23,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:23,780 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:25,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:25,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 27 states and 84 transitions. [2018-09-28 11:22:25,175 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 84 transitions. [2018-09-28 11:22:25,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 11:22:25,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:25,471 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:27,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:27,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 30 states and 96 transitions. [2018-09-28 11:22:27,716 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 96 transitions. [2018-09-28 11:22:27,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 11:22:27,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:28,951 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:36,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:36,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 38 states and 143 transitions. [2018-09-28 11:22:36,992 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 143 transitions. [2018-09-28 11:22:36,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 11:22:36,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:37,546 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:40,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 39 states and 150 transitions. [2018-09-28 11:22:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 150 transitions. [2018-09-28 11:22:40,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 11:22:40,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:41,102 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 40 states and 159 transitions. [2018-09-28 11:22:43,554 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 159 transitions. [2018-09-28 11:22:43,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 11:22:43,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:46,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:46,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 41 states and 165 transitions. [2018-09-28 11:22:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 165 transitions. [2018-09-28 11:22:46,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 11:22:46,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:49,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:49,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 43 states and 174 transitions. [2018-09-28 11:22:49,896 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 174 transitions. [2018-09-28 11:22:49,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:22:49,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:09,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:09,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 50 states and 209 transitions. [2018-09-28 11:23:09,061 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 209 transitions. [2018-09-28 11:23:09,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:23:09,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:09,669 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:18,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:18,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 53 states and 223 transitions. [2018-09-28 11:23:18,425 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 223 transitions. [2018-09-28 11:23:18,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:23:18,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:19,194 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:30,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:30,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 56 states and 242 transitions. [2018-09-28 11:23:30,620 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 242 transitions. [2018-09-28 11:23:30,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:23:30,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:31,352 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:39,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:39,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 58 states and 247 transitions. [2018-09-28 11:23:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 247 transitions. [2018-09-28 11:23:39,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:23:39,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:45,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:45,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 59 states and 251 transitions. [2018-09-28 11:23:45,295 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 251 transitions. [2018-09-28 11:23:45,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:23:45,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:49,239 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:24:25,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:24:25,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 67 states and 288 transitions. [2018-09-28 11:24:25,625 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 288 transitions. [2018-09-28 11:24:25,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:24:25,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:24:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:24:26,621 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:24:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:24:48,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 70 states and 309 transitions. [2018-09-28 11:24:48,945 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 309 transitions. [2018-09-28 11:24:48,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:24:48,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:24:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:24:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:25:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:25:20,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 75 states and 333 transitions. [2018-09-28 11:25:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 333 transitions. [2018-09-28 11:25:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:25:20,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:25:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:25:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:25:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:25:46,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 78 states and 350 transitions. [2018-09-28 11:25:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 350 transitions. [2018-09-28 11:25:46,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:25:46,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:25:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:25:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:25:56,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:25:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 79 states and 355 transitions. [2018-09-28 11:25:56,928 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 355 transitions. [2018-09-28 11:25:56,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:25:56,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:25:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:25:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:07,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:07,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 80 states and 357 transitions. [2018-09-28 11:26:07,563 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 357 transitions. [2018-09-28 11:26:07,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 11:26:07,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:24,088 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