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/GateController.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:38:35,636 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:38:35,639 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:38:35,651 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:38:35,651 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:38:35,652 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:38:35,654 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:38:35,656 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:38:35,657 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:38:35,658 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:38:35,659 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:38:35,659 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:38:35,660 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:38:35,661 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:38:35,663 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:38:35,663 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:38:35,664 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:38:35,666 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:38:35,668 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:38:35,670 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:38:35,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:38:35,673 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:38:35,678 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:38:35,679 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:38:35,679 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:38:35,680 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:38:35,685 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:38:35,686 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:38:35,687 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:38:35,690 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:38:35,691 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:38:35,693 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:38:35,694 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:38:35,694 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:38:35,697 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:38:35,698 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:38:35,698 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 22:38:35,725 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:38:35,725 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:38:35,726 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:38:35,729 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:38:35,730 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:38:35,730 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:38:35,730 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:38:35,730 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:38:35,730 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:38:35,731 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:38:35,731 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:38:35,731 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:38:35,731 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:38:35,732 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:38:35,733 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:38:35,733 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:38:35,733 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:38:35,733 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:38:35,733 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:38:35,734 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:38:35,734 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:38:35,734 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:38:35,734 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:38:35,736 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:38:35,736 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:38:35,736 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:38:35,737 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:38:35,737 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:38:35,737 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:38:35,737 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:38:35,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:38:35,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:38:35,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:38:35,813 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:38:35,814 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:38:35,815 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl [2018-09-26 22:38:35,816 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl' [2018-09-26 22:38:35,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:38:35,871 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:38:35,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:38:35,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:38:35,872 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:38:35,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,915 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 22:38:35,915 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 22:38:35,915 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 22:38:35,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:38:35,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:38:35,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:38:35,919 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:38:35,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:35" (1/1) ... [2018-09-26 22:38:35,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:38:35,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:38:35,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:38:35,944 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:38:35,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GateController.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 22:38:36,026 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-09-26 22:38:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-09-26 22:38:36,027 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-09-26 22:38:36,444 INFO L343 CfgBuilder]: Using library mode [2018-09-26 22:38:36,445 INFO L202 PluginConnector]: Adding new model GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:38:36 BoogieIcfgContainer [2018-09-26 22:38:36,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:38:36,447 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:38:36,447 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:38:36,462 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:38:36,462 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:38:36" (1/1) ... [2018-09-26 22:38:36,482 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:38:36,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:36,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 22:38:36,560 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 22:38:36,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 22:38:36,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:36,716 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 22:38:36,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:36,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-09-26 22:38:36,929 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-09-26 22:38:36,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:38:36,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:37,028 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 22:38:37,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:37,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 8 states and 14 transitions. [2018-09-26 22:38:37,990 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 14 transitions. [2018-09-26 22:38:37,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:38:37,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:38,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:39,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:39,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-09-26 22:38:39,330 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-09-26 22:38:39,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:38:39,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:39,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:40,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:40,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 10 states and 25 transitions. [2018-09-26 22:38:40,017 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 25 transitions. [2018-09-26 22:38:40,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:38:40,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:40,102 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:42,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:42,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 11 states and 32 transitions. [2018-09-26 22:38:42,318 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 32 transitions. [2018-09-26 22:38:42,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:38:42,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:42,430 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:43,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:43,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 12 states and 40 transitions. [2018-09-26 22:38:43,647 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 40 transitions. [2018-09-26 22:38:43,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:38:43,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:43,879 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:44,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:44,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 13 states and 49 transitions. [2018-09-26 22:38:44,555 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 49 transitions. [2018-09-26 22:38:44,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:38:44,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:45,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 14 states and 59 transitions. [2018-09-26 22:38:45,769 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 59 transitions. [2018-09-26 22:38:45,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:38:45,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:45,909 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:46,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:46,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 15 states and 70 transitions. [2018-09-26 22:38:46,845 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 70 transitions. [2018-09-26 22:38:46,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:38:46,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:48,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:48,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 16 states and 82 transitions. [2018-09-26 22:38:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 82 transitions. [2018-09-26 22:38:48,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:38:48,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:48,344 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:50,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 17 states and 95 transitions. [2018-09-26 22:38:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 95 transitions. [2018-09-26 22:38:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:38:50,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:51,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:51,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 18 states and 109 transitions. [2018-09-26 22:38:51,939 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 109 transitions. [2018-09-26 22:38:51,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:38:51,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:52,102 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:54,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 19 states and 124 transitions. [2018-09-26 22:38:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 124 transitions. [2018-09-26 22:38:54,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:38:54,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:56,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:56,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 20 states and 140 transitions. [2018-09-26 22:38:56,075 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 140 transitions. [2018-09-26 22:38:56,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:38:56,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:56,252 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:58,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 21 states and 157 transitions. [2018-09-26 22:38:58,172 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 157 transitions. [2018-09-26 22:38:58,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:38:58,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:00,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 22 states and 175 transitions. [2018-09-26 22:39:00,865 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 175 transitions. [2018-09-26 22:39:00,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:39:00,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:01,685 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:04,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:04,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 23 states and 194 transitions. [2018-09-26 22:39:04,221 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 194 transitions. [2018-09-26 22:39:04,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:39:04,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:04,423 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:07,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 24 states and 214 transitions. [2018-09-26 22:39:07,292 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 214 transitions. [2018-09-26 22:39:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:39:07,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:10,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 25 states and 235 transitions. [2018-09-26 22:39:10,733 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 235 transitions. [2018-09-26 22:39:10,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:39:10,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:10,940 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:14,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 26 states and 257 transitions. [2018-09-26 22:39:14,605 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 257 transitions. [2018-09-26 22:39:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 22:39:14,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:14,817 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 27 states and 280 transitions. [2018-09-26 22:39:18,873 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 280 transitions. [2018-09-26 22:39:18,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:39:18,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:19,215 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:23,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:23,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 28 states and 304 transitions. [2018-09-26 22:39:23,744 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 304 transitions. [2018-09-26 22:39:23,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 22:39:23,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:23,994 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:29,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:29,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 29 states and 329 transitions. [2018-09-26 22:39:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 329 transitions. [2018-09-26 22:39:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:39:29,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:29,775 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:35,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:35,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 30 states and 355 transitions. [2018-09-26 22:39:35,336 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 355 transitions. [2018-09-26 22:39:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:39:35,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:41,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:41,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 31 states and 382 transitions. [2018-09-26 22:39:41,741 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 382 transitions. [2018-09-26 22:39:41,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:39:41,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:42,093 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:49,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:49,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 32 states and 410 transitions. [2018-09-26 22:39:49,012 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 410 transitions. [2018-09-26 22:39:49,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:39:49,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:50,358 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:58,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:58,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 33 states and 439 transitions. [2018-09-26 22:39:58,398 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 439 transitions. [2018-09-26 22:39:58,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:39:58,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:58,766 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 34 states and 469 transitions. [2018-09-26 22:40:07,006 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 469 transitions. [2018-09-26 22:40:07,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 22:40:07,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:16,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 35 states and 500 transitions. [2018-09-26 22:40:16,428 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 500 transitions. [2018-09-26 22:40:16,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:40:16,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:16,947 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:27,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:27,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 36 states and 532 transitions. [2018-09-26 22:40:27,042 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 532 transitions. [2018-09-26 22:40:27,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:40:27,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:38,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 37 states and 565 transitions. [2018-09-26 22:40:38,707 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 565 transitions. [2018-09-26 22:40:38,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:40:38,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:39,567 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:51,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:51,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 38 states and 599 transitions. [2018-09-26 22:40:51,884 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 599 transitions. [2018-09-26 22:40:51,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:40:51,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:52,382 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:05,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:05,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 39 states and 634 transitions. [2018-09-26 22:41:05,581 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 634 transitions. [2018-09-26 22:41:05,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:41:05,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:06,070 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 40 states and 670 transitions. [2018-09-26 22:41:20,349 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 670 transitions. [2018-09-26 22:41:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-26 22:41:20,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:36,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:36,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 41 states and 707 transitions. [2018-09-26 22:41:36,591 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 707 transitions. [2018-09-26 22:41:36,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:41:36,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:37,016 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:53,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:53,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 42 states and 745 transitions. [2018-09-26 22:41:53,994 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 745 transitions. [2018-09-26 22:41:53,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:41:53,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:54,600 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:12,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 43 states and 784 transitions. [2018-09-26 22:42:12,951 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 784 transitions. [2018-09-26 22:42:12,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:42:12,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:33,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:33,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 44 states and 824 transitions. [2018-09-26 22:42:33,543 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 824 transitions. [2018-09-26 22:42:33,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 22:42:33,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:34,245 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 45 states and 865 transitions. [2018-09-26 22:42:58,707 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 865 transitions. [2018-09-26 22:42:58,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:42:58,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown