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/20170304-DifficultPathPrograms/s3_srvr_1.cil.c_23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 12:00:19,666 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 12:00:19,668 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 12:00:19,685 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 12:00:19,685 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 12:00:19,686 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 12:00:19,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 12:00:19,690 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 12:00:19,691 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 12:00:19,692 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 12:00:19,693 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 12:00:19,693 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 12:00:19,694 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 12:00:19,695 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 12:00:19,696 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 12:00:19,697 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 12:00:19,698 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 12:00:19,700 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 12:00:19,702 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 12:00:19,704 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 12:00:19,705 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 12:00:19,706 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 12:00:19,709 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 12:00:19,709 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 12:00:19,709 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 12:00:19,710 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 12:00:19,714 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 12:00:19,717 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 12:00:19,720 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 12:00:19,722 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 12:00:19,722 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 12:00:19,723 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 12:00:19,723 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 12:00:19,723 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 12:00:19,725 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 12:00:19,725 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 12:00:19,726 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 12:00:19,757 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 12:00:19,757 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 12:00:19,758 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 12:00:19,758 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 12:00:19,759 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 12:00:19,759 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 12:00:19,760 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 12:00:19,760 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 12:00:19,760 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 12:00:19,760 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 12:00:19,760 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 12:00:19,761 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 12:00:19,761 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 12:00:19,761 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 12:00:19,761 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 12:00:19,761 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 12:00:19,763 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 12:00:19,764 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 12:00:19,764 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 12:00:19,764 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 12:00:19,764 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 12:00:19,765 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 12:00:19,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 12:00:19,765 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 12:00:19,765 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 12:00:19,765 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 12:00:19,766 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 12:00:19,766 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 12:00:19,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 12:00:19,766 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 12:00:19,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 12:00:19,842 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 12:00:19,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 12:00:19,850 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 12:00:19,851 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 12:00:19,852 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.cil.c_23.bpl [2018-09-30 12:00:19,852 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.cil.c_23.bpl' [2018-09-30 12:00:19,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 12:00:19,953 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 12:00:19,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 12:00:19,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 12:00:19,955 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 12:00:19,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:19" (1/1) ... [2018-09-30 12:00:20,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:19" (1/1) ... [2018-09-30 12:00:20,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 12:00:20,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 12:00:20,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 12:00:20,013 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 12:00:20,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:19" (1/1) ... [2018-09-30 12:00:20,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:19" (1/1) ... [2018-09-30 12:00:20,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:19" (1/1) ... [2018-09-30 12:00:20,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:19" (1/1) ... [2018-09-30 12:00:20,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:19" (1/1) ... [2018-09-30 12:00:20,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:19" (1/1) ... [2018-09-30 12:00:20,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:19" (1/1) ... [2018-09-30 12:00:20,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 12:00:20,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 12:00:20,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 12:00:20,084 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 12:00:20,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:19" (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 12:00:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 12:00:20,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 12:00:20,973 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 12:00:20,973 INFO L202 PluginConnector]: Adding new model s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 12:00:20 BoogieIcfgContainer [2018-09-30 12:00:20,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 12:00:20,974 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 12:00:20,974 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 12:00:20,986 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 12:00:20,986 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 12:00:20" (1/1) ... [2018-09-30 12:00:21,000 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 12:00:21,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:21,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2018-09-30 12:00:21,038 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2018-09-30 12:00:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 12:00:21,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:21,324 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 12:00:22,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:22,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2018-09-30 12:00:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-09-30 12:00:22,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 12:00:22,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:23,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:00:23,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2018-09-30 12:00:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2018-09-30 12:00:23,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 12:00:23,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:23,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:00:23,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:23,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2018-09-30 12:00:23,873 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2018-09-30 12:00:23,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 12:00:23,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:00:24,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 39 states and 55 transitions. [2018-09-30 12:00:24,434 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2018-09-30 12:00:24,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 12:00:24,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:00:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:25,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2018-09-30 12:00:25,450 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2018-09-30 12:00:25,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 12:00:25,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 12:00:25,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:25,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2018-09-30 12:00:25,984 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2018-09-30 12:00:25,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 12:00:25,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:00:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 51 states and 70 transitions. [2018-09-30 12:00:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2018-09-30 12:00:27,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 12:00:27,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 12:00:28,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:28,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2018-09-30 12:00:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2018-09-30 12:00:28,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 12:00:28,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:28,447 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:00:29,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:29,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2018-09-30 12:00:29,448 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-09-30 12:00:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 12:00:29,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:29,537 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:00:30,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:30,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 89 transitions. [2018-09-30 12:00:30,383 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2018-09-30 12:00:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 12:00:30,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:30,439 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:00:32,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 78 states and 99 transitions. [2018-09-30 12:00:32,222 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2018-09-30 12:00:32,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 12:00:32,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:32,350 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:00:35,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 88 states and 110 transitions. [2018-09-30 12:00:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 110 transitions. [2018-09-30 12:00:35,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 12:00:35,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-30 12:00:36,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:36,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 89 states and 112 transitions. [2018-09-30 12:00:36,099 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 112 transitions. [2018-09-30 12:00:36,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 12:00:36,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:36,289 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:00:39,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:39,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 100 states and 124 transitions. [2018-09-30 12:00:39,116 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 124 transitions. [2018-09-30 12:00:39,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 12:00:39,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:39,184 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 12:00:40,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 103 states and 126 transitions. [2018-09-30 12:00:40,713 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 126 transitions. [2018-09-30 12:00:40,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 12:00:40,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:00:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 115 states and 139 transitions. [2018-09-30 12:00:44,742 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 139 transitions. [2018-09-30 12:00:44,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 12:00:44,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:44,806 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-09-30 12:00:47,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:47,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 116 states and 141 transitions. [2018-09-30 12:00:47,097 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 141 transitions. [2018-09-30 12:00:47,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 12:00:47,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:47,155 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-30 12:00:49,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:49,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 119 states and 143 transitions. [2018-09-30 12:00:49,930 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 143 transitions. [2018-09-30 12:00:49,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 12:00:49,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:49,988 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 12:00:53,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:53,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 120 states and 145 transitions. [2018-09-30 12:00:53,232 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 145 transitions. [2018-09-30 12:00:53,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 12:00:53,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-09-30 12:00:56,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:56,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 123 states and 147 transitions. [2018-09-30 12:00:56,348 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 147 transitions. [2018-09-30 12:00:56,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 12:00:56,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:57,214 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 12:01:02,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:01:02,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 128 states and 154 transitions. [2018-09-30 12:01:02,429 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 154 transitions. [2018-09-30 12:01:02,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 12:01:02,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:01:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:01:02,494 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 12:01:06,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:01:06,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 131 states and 164 transitions. [2018-09-30 12:01:06,887 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 164 transitions. [2018-09-30 12:01:06,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 12:01:06,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:01:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:01:06,920 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-09-30 12:01:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:01:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 134 states and 166 transitions. [2018-09-30 12:01:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 166 transitions. [2018-09-30 12:01:11,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 12:01:11,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:01:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:01:11,480 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 88 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 12:01:19,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:01:19,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 146 states and 181 transitions. [2018-09-30 12:01:19,504 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 181 transitions. [2018-09-30 12:01:19,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 12:01:19,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:01:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:01:19,604 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 88 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 12:01:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:01:25,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 149 states and 183 transitions. [2018-09-30 12:01:25,939 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 183 transitions. [2018-09-30 12:01:25,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 12:01:25,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:01:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:01:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-30 12:01:32,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:01:32,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 150 states and 186 transitions. [2018-09-30 12:01:32,016 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 186 transitions. [2018-09-30 12:01:32,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-30 12:01:32,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:01:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:01:32,111 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 90 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 12:01:38,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:01:38,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 153 states and 189 transitions. [2018-09-30 12:01:38,813 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 189 transitions. [2018-09-30 12:01:38,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-30 12:01:38,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:01:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:01:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 90 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 12:01:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:01:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 156 states and 191 transitions. [2018-09-30 12:01:45,775 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 191 transitions. [2018-09-30 12:01:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 12:01:45,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:01:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:01:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-09-30 12:01:52,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:01:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 157 states and 194 transitions. [2018-09-30 12:01:52,970 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 194 transitions. [2018-09-30 12:01:52,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-30 12:01:52,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:01:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:01:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-09-30 12:02:01,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:02:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 160 states and 196 transitions. [2018-09-30 12:02:01,559 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 196 transitions. [2018-09-30 12:02:01,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-30 12:02:01,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:02:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:02:01,631 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-09-30 12:02:09,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:02:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 163 states and 198 transitions. [2018-09-30 12:02:09,942 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 198 transitions. [2018-09-30 12:02:09,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-30 12:02:09,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:02:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:02:10,017 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-09-30 12:02:19,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:02:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 164 states and 201 transitions. [2018-09-30 12:02:19,034 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 201 transitions. [2018-09-30 12:02:19,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 12:02:19,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:02:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:02:19,110 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-09-30 12:02:29,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:02:29,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 167 states and 203 transitions. [2018-09-30 12:02:29,077 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 203 transitions. [2018-09-30 12:02:29,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 12:02:29,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:02:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:02:29,140 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-09-30 12:02:39,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:02:39,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 170 states and 205 transitions. [2018-09-30 12:02:39,501 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 205 transitions. [2018-09-30 12:02:39,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-30 12:02:39,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:02:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:02:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-09-30 12:02:51,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:02:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 171 states and 208 transitions. [2018-09-30 12:02:51,023 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 208 transitions. [2018-09-30 12:02:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 12:02:51,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:02:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:02:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-09-30 12:03:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:03:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 174 states and 210 transitions. [2018-09-30 12:03:03,825 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 210 transitions. [2018-09-30 12:03:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 12:03:03,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:03:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:03:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-09-30 12:03:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:03:17,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 177 states and 212 transitions. [2018-09-30 12:03:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 212 transitions. [2018-09-30 12:03:17,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-30 12:03:17,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:03:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:03:18,041 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 60 proven. 136 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-09-30 12:04:02,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:04:02,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 255 states and 317 transitions. [2018-09-30 12:04:02,003 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 317 transitions. [2018-09-30 12:04:02,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-30 12:04:02,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:04:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:04:02,155 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 60 proven. 136 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-09-30 12:04:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:04:48,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 273 states and 332 transitions. [2018-09-30 12:04:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 332 transitions. [2018-09-30 12:04:48,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-30 12:04:48,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:04:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:04:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 60 proven. 136 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown