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-d19836b [2018-09-26 22:38:35,499 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:38:35,501 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:38:35,515 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:38:35,515 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:38:35,519 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:38:35,521 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:38:35,528 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:38:35,531 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:38:35,532 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:38:35,534 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:38:35,534 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:38:35,535 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:38:35,539 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:38:35,542 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:38:35,543 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:38:35,543 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:38:35,545 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:38:35,555 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:38:35,559 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:38:35,560 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:38:35,565 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:38:35,567 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:38:35,567 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:38:35,569 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:38:35,570 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:38:35,571 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:38:35,572 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:38:35,573 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:38:35,577 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:38:35,578 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:38:35,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:38:35,580 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:38:35,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:38:35,582 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:38:35,583 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:38:35,583 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 [2018-09-26 22:38:35,601 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:38:35,601 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:38:35,603 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:38:35,603 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:38:35,604 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:38:35,604 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:38:35,604 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:38:35,605 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:38:35,605 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:38:35,605 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:38:35,605 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:38:35,605 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:38:35,605 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:38:35,606 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:38:35,606 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:38:35,606 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:38:35,606 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:38:35,607 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:38:35,608 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:38:35,608 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:38:35,608 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:38:35,609 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:38:35,609 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:38:35,609 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:38:35,609 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:38:35,609 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:38:35,609 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:38:35,610 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:38:35,610 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:38:35,610 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:38:35,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:38:35,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:38:35,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:38:35,686 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:38:35,686 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:38:35,687 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-09-26 22:38:35,687 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-09-26 22:38:35,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:38:35,751 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:38:35,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:38:35,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:38:35,753 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:38:35,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,796 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 22:38:35,796 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 22:38:35,797 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 22:38:35,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:38:35,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:38:35,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:38:35,800 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:38:35,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:38:35,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:38:35,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:38:35,858 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:38:35,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (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 [2018-09-26 22:38:35,960 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-26 22:38:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-26 22:38:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-26 22:38:37,632 INFO L343 CfgBuilder]: Using library mode [2018-09-26 22:38:37,632 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:38:37 BoogieIcfgContainer [2018-09-26 22:38:37,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:38:37,633 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:38:37,634 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:38:37,646 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:38:37,646 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:38:37" (1/1) ... [2018-09-26 22:38:37,661 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:38:37,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:37,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 22:38:37,703 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 22:38:37,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-26 22:38:37,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:37,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:38,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:38,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-09-26 22:38:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-26 22:38:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:38:38,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:38,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:39,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:39,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-09-26 22:38:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-09-26 22:38:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:38:39,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:40,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:42,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:42,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 13 states and 28 transitions. [2018-09-26 22:38:42,847 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 28 transitions. [2018-09-26 22:38:42,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:38:42,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:47,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2018-09-26 22:38:47,330 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2018-09-26 22:38:47,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:38:47,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:47,533 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:48,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 49 transitions. [2018-09-26 22:38:48,668 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 49 transitions. [2018-09-26 22:38:48,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:38:48,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:50,458 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:01,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 27 states and 87 transitions. [2018-09-26 22:39:01,166 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 87 transitions. [2018-09-26 22:39:01,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:39:01,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:01,661 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 30 states and 99 transitions. [2018-09-26 22:39:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 99 transitions. [2018-09-26 22:39:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:39:08,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:08,913 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:16,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:16,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 32 states and 109 transitions. [2018-09-26 22:39:16,388 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 109 transitions. [2018-09-26 22:39:16,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:39:16,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:21,988 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:55,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 40 states and 151 transitions. [2018-09-26 22:39:55,090 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 151 transitions. [2018-09-26 22:39:55,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:39:55,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:55,784 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 44 states and 177 transitions. [2018-09-26 22:40:34,323 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 177 transitions. [2018-09-26 22:40:34,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:40:34,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:35,132 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:02,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 46 states and 189 transitions. [2018-09-26 22:41:02,674 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 189 transitions. [2018-09-26 22:41:02,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:41:02,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:03,409 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:20,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:20,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 47 states and 197 transitions. [2018-09-26 22:41:20,209 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 197 transitions. [2018-09-26 22:41:20,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:41:20,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:50,586 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown