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 0.1.23-00a8621 [2018-09-30 11:40:36,738 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:40:36,740 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:40:36,759 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:40:36,759 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:40:36,761 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:40:36,763 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:40:36,765 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:40:36,767 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:40:36,768 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:40:36,769 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:40:36,771 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:40:36,772 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:40:36,774 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:40:36,775 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:40:36,776 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:40:36,776 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:40:36,778 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:40:36,780 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:40:36,785 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:40:36,786 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:40:36,787 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:40:36,790 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:40:36,790 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:40:36,790 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:40:36,791 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:40:36,792 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:40:36,793 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:40:36,794 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:40:36,795 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:40:36,795 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:40:36,795 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:40:36,796 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:40:36,796 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:40:36,797 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:40:36,798 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:40:36,798 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 11:40:36,815 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:40:36,816 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:40:36,817 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:40:36,817 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:40:36,817 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:40:36,818 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:40:36,818 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:40:36,818 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:40:36,821 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:40:36,821 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:40:36,821 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:40:36,821 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:40:36,822 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:40:36,822 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:40:36,822 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:40:36,822 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:40:36,824 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:40:36,824 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:40:36,824 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:40:36,824 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 11:40:36,825 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:40:36,825 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:40:36,825 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:40:36,825 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:40:36,826 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:40:36,826 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:40:36,826 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:40:36,826 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:40:36,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:40:36,827 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:40:36,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:40:36,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:40:36,912 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:40:36,914 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:40:36,915 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:40:36,915 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-09-30 11:40:36,916 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-09-30 11:40:36,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:40:36,981 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:40:36,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:40:36,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:40:36,983 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:40:37,004 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 11:40:36" (1/1) ... [2018-09-30 11:40:37,019 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 11:40:36" (1/1) ... [2018-09-30 11:40:37,025 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 11:40:37,025 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 11:40:37,025 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 11:40:37,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:40:37,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:40:37,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:40:37,029 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:40:37,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:40:36" (1/1) ... [2018-09-30 11:40:37,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:40:36" (1/1) ... [2018-09-30 11:40:37,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:40:36" (1/1) ... [2018-09-30 11:40:37,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:40:36" (1/1) ... [2018-09-30 11:40:37,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:40:36" (1/1) ... [2018-09-30 11:40:37,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:40:36" (1/1) ... [2018-09-30 11:40:37,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:40:36" (1/1) ... [2018-09-30 11:40:37,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:40:37,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:40:37,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:40:37,061 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:40:37,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:40:36" (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 11:40:37,144 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-30 11:40:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-30 11:40:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-30 11:40:38,822 INFO L345 CfgBuilder]: Using library mode [2018-09-30 11:40:38,822 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:40:38 BoogieIcfgContainer [2018-09-30 11:40:38,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:40:38,824 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:40:38,824 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:40:38,836 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:40:38,836 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:40:38" (1/1) ... [2018-09-30 11:40:38,851 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 11:40:38,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:40:38,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-30 11:40:38,894 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-30 11:40:38,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-30 11:40:38,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:40:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:40:39,031 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 11:40:39,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:40:39,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-09-30 11:40:39,458 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-30 11:40:39,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 11:40:39,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:40:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:40:39,651 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 11:40:40,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:40:40,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-09-30 11:40:40,752 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-09-30 11:40:40,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 11:40:40,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:40:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:40:41,003 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 11:40:42,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:40:42,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 13 states and 28 transitions. [2018-09-30 11:40:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 28 transitions. [2018-09-30 11:40:42,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:40:42,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:40:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:40:43,110 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 11:40:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:40:45,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2018-09-30 11:40:45,648 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2018-09-30 11:40:45,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:40:45,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:40:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:40:45,775 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 11:40:46,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:40:46,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 49 transitions. [2018-09-30 11:40:46,598 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 49 transitions. [2018-09-30 11:40:46,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:40:46,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:40:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:40:47,801 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 11:40:51,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:40:51,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 27 states and 87 transitions. [2018-09-30 11:40:51,743 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 87 transitions. [2018-09-30 11:40:51,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:40:51,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:40:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:40:52,148 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 11:40:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:40:54,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 29 states and 97 transitions. [2018-09-30 11:40:54,720 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 97 transitions. [2018-09-30 11:40:54,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:40:54,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:40:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:40:55,058 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 11:40:56,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:40:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 32 states and 109 transitions. [2018-09-30 11:40:56,856 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 109 transitions. [2018-09-30 11:40:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:40:56,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:40:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:40:58,559 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 11:41:06,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:41:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 40 states and 148 transitions. [2018-09-30 11:41:06,035 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 148 transitions. [2018-09-30 11:41:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:41:06,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:41:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:41:06,546 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:41:10,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:41:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 43 states and 172 transitions. [2018-09-30 11:41:10,540 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 172 transitions. [2018-09-30 11:41:10,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:41:10,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:41:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:41:11,053 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 11:41:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:41:14,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 44 states and 176 transitions. [2018-09-30 11:41:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 176 transitions. [2018-09-30 11:41:14,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:41:14,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:41:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:41:14,575 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 11:41:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:41:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 46 states and 191 transitions. [2018-09-30 11:41:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 191 transitions. [2018-09-30 11:41:17,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:41:17,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:41:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:41:18,301 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 11:41:20,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:41:20,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 48 states and 200 transitions. [2018-09-30 11:41:20,891 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 200 transitions. [2018-09-30 11:41:20,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:41:20,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:41:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:41:23,507 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 11:41:37,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:41:37,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 54 states and 238 transitions. [2018-09-30 11:41:37,221 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 238 transitions. [2018-09-30 11:41:37,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:41:37,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:41:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:41:37,999 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 11:41:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:41:50,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 60 states and 263 transitions. [2018-09-30 11:41:50,902 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 263 transitions. [2018-09-30 11:41:50,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:41:50,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:41:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:41:51,660 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 11:41:56,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:41:56,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 61 states and 271 transitions. [2018-09-30 11:41:56,701 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 271 transitions. [2018-09-30 11:41:56,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:41:56,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:41:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:41:57,450 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 11:42:05,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:42:05,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 64 states and 285 transitions. [2018-09-30 11:42:05,835 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 285 transitions. [2018-09-30 11:42:05,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:42:05,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:42:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:42:10,707 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 11:42:37,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:42:37,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 72 states and 330 transitions. [2018-09-30 11:42:37,172 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 330 transitions. [2018-09-30 11:42:37,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:42:37,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:42:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:42:38,121 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 11:42:49,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:42:49,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 74 states and 340 transitions. [2018-09-30 11:42:49,031 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 340 transitions. [2018-09-30 11:42:49,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:42:49,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:42:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:42:49,761 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 11:42:56,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:42:56,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 75 states and 347 transitions. [2018-09-30 11:42:56,994 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 347 transitions. [2018-09-30 11:42:56,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:42:56,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:42:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:42:57,683 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 11:43:15,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:43:15,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 80 states and 365 transitions. [2018-09-30 11:43:15,407 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 365 transitions. [2018-09-30 11:43:15,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:43:15,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:43:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:43:16,221 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 11:43:26,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:43:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 83 states and 382 transitions. [2018-09-30 11:43:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 382 transitions. [2018-09-30 11:43:26,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:43:26,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:43:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:43:27,690 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 11:43:36,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:43:36,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 84 states and 388 transitions. [2018-09-30 11:43:36,326 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 388 transitions. [2018-09-30 11:43:36,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:43:36,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:43:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:43:37,233 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 11:43:43,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:43:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 85 states and 390 transitions. [2018-09-30 11:43:43,135 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 390 transitions. [2018-09-30 11:43:43,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:43:43,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:43:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:44:00,701 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