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.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1_alt.BV.c.cil.c_14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 10:18:17,852 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:18:17,855 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:18:17,871 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:18:17,872 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:18:17,873 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:18:17,876 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:18:17,879 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:18:17,882 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:18:17,883 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:18:17,885 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:18:17,885 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:18:17,886 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:18:17,887 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:18:17,888 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:18:17,896 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:18:17,897 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:18:17,901 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:18:17,904 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:18:17,905 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:18:17,908 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:18:17,910 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:18:17,912 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:18:17,913 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:18:17,913 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:18:17,915 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:18:17,916 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:18:17,918 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:18:17,919 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:18:17,921 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:18:17,922 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:18:17,923 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:18:17,923 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:18:17,923 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:18:17,924 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:18:17,927 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:18:17,927 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 10:18:17,954 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:18:17,954 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:18:17,955 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:18:17,955 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:18:17,956 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:18:17,956 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:18:17,956 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:18:17,957 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:18:17,957 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:18:17,957 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:18:17,957 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:18:17,957 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:18:17,958 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:18:17,958 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:18:17,958 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:18:17,958 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:18:17,958 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:18:17,959 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:18:17,959 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:18:17,959 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:18:17,959 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:18:17,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:18:17,960 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:18:17,960 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:18:17,960 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:18:17,960 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:18:17,960 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:18:17,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:18:17,961 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:18:18,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:18:18,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:18:18,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:18:18,044 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:18:18,045 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:18:18,046 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1_alt.BV.c.cil.c_14.bpl [2018-10-04 10:18:18,048 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1_alt.BV.c.cil.c_14.bpl' [2018-10-04 10:18:18,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:18:18,143 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:18:18,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:18:18,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:18:18,144 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:18:18,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_1_alt.BV.c.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:18" (1/1) ... [2018-10-04 10:18:18,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_1_alt.BV.c.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:18" (1/1) ... [2018-10-04 10:18:18,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:18:18,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:18:18,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:18:18,199 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:18:18,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_1_alt.BV.c.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:18" (1/1) ... [2018-10-04 10:18:18,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_1_alt.BV.c.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:18" (1/1) ... [2018-10-04 10:18:18,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_1_alt.BV.c.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:18" (1/1) ... [2018-10-04 10:18:18,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_1_alt.BV.c.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:18" (1/1) ... [2018-10-04 10:18:18,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_1_alt.BV.c.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:18" (1/1) ... [2018-10-04 10:18:18,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_1_alt.BV.c.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:18" (1/1) ... [2018-10-04 10:18:18,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_1_alt.BV.c.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:18" (1/1) ... [2018-10-04 10:18:18,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:18:18,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:18:18,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:18:18,256 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:18:18,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_1_alt.BV.c.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:18" (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 [2018-10-04 10:18:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 10:18:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 10:18:18,974 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 10:18:18,974 INFO L202 PluginConnector]: Adding new model s3_srvr_1_alt.BV.c.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:18:18 BoogieIcfgContainer [2018-10-04 10:18:18,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:18:18,975 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:18:18,975 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:18:18,986 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:18:18,986 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "s3_srvr_1_alt.BV.c.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:18:18" (1/1) ... [2018-10-04 10:18:18,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 10:18:19,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:19,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2018-10-04 10:18:19,031 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2018-10-04 10:18:19,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:18:19,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:19,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:18:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:19,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-10-04 10:18:19,593 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-10-04 10:18:19,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:18:19,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:19,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:18:19,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2018-10-04 10:18:19,813 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2018-10-04 10:18:19,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 10:18:19,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:19,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:18:20,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:20,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2018-10-04 10:18:20,168 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2018-10-04 10:18:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:18:20,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:18:20,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:20,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2018-10-04 10:18:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-10-04 10:18:20,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 10:18:20,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:21,117 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:18:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2018-10-04 10:18:21,419 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2018-10-04 10:18:21,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:18:21,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:21,581 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 10:18:21,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:21,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2018-10-04 10:18:21,694 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2018-10-04 10:18:21,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:18:21,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:21,842 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:18:22,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 59 transitions. [2018-10-04 10:18:22,320 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2018-10-04 10:18:22,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 10:18:22,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:22,346 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 10:18:22,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:22,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2018-10-04 10:18:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2018-10-04 10:18:22,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 10:18:22,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:18:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:23,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2018-10-04 10:18:23,188 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2018-10-04 10:18:23,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:18:23,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:23,446 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:18:24,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:24,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2018-10-04 10:18:24,190 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2018-10-04 10:18:24,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:18:24,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:24,263 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:18:24,397 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:18:25,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:25,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 70 states and 88 transitions. [2018-10-04 10:18:25,382 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2018-10-04 10:18:25,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 10:18:25,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:25,478 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-04 10:18:25,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 71 states and 91 transitions. [2018-10-04 10:18:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2018-10-04 10:18:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:18:25,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-04 10:18:26,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 74 states and 93 transitions. [2018-10-04 10:18:26,158 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2018-10-04 10:18:26,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 10:18:26,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:26,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:18:26,226 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-04 10:18:26,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:26,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 77 states and 95 transitions. [2018-10-04 10:18:26,446 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 95 transitions. [2018-10-04 10:18:26,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 10:18:26,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-04 10:18:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 78 states and 98 transitions. [2018-10-04 10:18:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 98 transitions. [2018-10-04 10:18:26,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:18:26,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:26,813 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-04 10:18:26,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:26,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 81 states and 100 transitions. [2018-10-04 10:18:26,982 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2018-10-04 10:18:26,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:18:26,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-04 10:18:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:27,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 82 states and 103 transitions. [2018-10-04 10:18:27,831 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 103 transitions. [2018-10-04 10:18:27,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 10:18:27,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-04 10:18:28,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 85 states and 105 transitions. [2018-10-04 10:18:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 105 transitions. [2018-10-04 10:18:28,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:18:28,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:28,788 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-04 10:18:30,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:30,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 94 states and 119 transitions. [2018-10-04 10:18:30,463 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 119 transitions. [2018-10-04 10:18:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:18:30,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:30,494 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-04 10:18:30,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:30,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 97 states and 126 transitions. [2018-10-04 10:18:30,810 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 126 transitions. [2018-10-04 10:18:30,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 10:18:30,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:31,377 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-04 10:18:31,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 100 states and 128 transitions. [2018-10-04 10:18:31,726 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2018-10-04 10:18:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:18:31,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 88 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-04 10:18:32,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:32,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 112 states and 146 transitions. [2018-10-04 10:18:32,875 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 146 transitions. [2018-10-04 10:18:32,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:18:32,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:32,906 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 88 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-04 10:18:33,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:33,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 115 states and 148 transitions. [2018-10-04 10:18:33,270 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 148 transitions. [2018-10-04 10:18:33,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 10:18:33,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:33,301 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 89 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-04 10:18:33,551 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 12 [2018-10-04 10:18:33,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:33,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 118 states and 151 transitions. [2018-10-04 10:18:33,718 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 151 transitions. [2018-10-04 10:18:33,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 10:18:33,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:33,748 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 89 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-04 10:18:34,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 121 states and 154 transitions. [2018-10-04 10:18:34,022 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 154 transitions. [2018-10-04 10:18:34,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 10:18:34,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:34,100 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:18:34,892 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-04 10:18:37,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:37,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 162 states and 222 transitions. [2018-10-04 10:18:37,870 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 222 transitions. [2018-10-04 10:18:37,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 10:18:37,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:37,947 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:18:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-04 10:18:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:38,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 168 states and 228 transitions. [2018-10-04 10:18:38,761 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 228 transitions. [2018-10-04 10:18:38,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 10:18:38,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:38,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:18:38,838 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-04 10:18:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 171 states and 230 transitions. [2018-10-04 10:18:39,125 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 230 transitions. [2018-10-04 10:18:39,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 10:18:39,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:39,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:18:39,213 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 42 proven. 70 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-04 10:18:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:39,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 176 states and 235 transitions. [2018-10-04 10:18:39,842 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 235 transitions. [2018-10-04 10:18:39,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 10:18:39,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:39,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:18:39,936 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 42 proven. 70 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-04 10:18:40,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 179 states and 240 transitions. [2018-10-04 10:18:40,278 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 240 transitions. [2018-10-04 10:18:40,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 10:18:40,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:40,367 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:18:40,383 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 42 proven. 70 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-04 10:18:40,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:40,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 180 states and 242 transitions. [2018-10-04 10:18:40,743 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 242 transitions. [2018-10-04 10:18:40,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 10:18:40,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:40,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:18:41,031 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-10-04 10:18:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:41,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 181 states and 247 transitions. [2018-10-04 10:18:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 247 transitions. [2018-10-04 10:18:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 10:18:41,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:41,479 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:18:41,485 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 132 proven. 8 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-04 10:18:42,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:42,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 56 states and 57 transitions. [2018-10-04 10:18:42,965 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2018-10-04 10:18:42,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 10:18:42,965 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-10-04 10:18:42,977 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-04 10:18:43,120 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-10-04 10:18:43,312 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-10-04 10:18:43,580 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-10-04 10:18:43,692 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2018-10-04 10:18:43,756 INFO L582 CodeCheckObserver]: Invariant with dag size 33 [2018-10-04 10:18:43,766 INFO L582 CodeCheckObserver]: Invariant with dag size 26 [2018-10-04 10:18:43,767 INFO L582 CodeCheckObserver]: Invariant with dag size 33 [2018-10-04 10:18:43,768 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-10-04 10:18:43,768 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-10-04 10:18:43,769 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-10-04 10:18:43,769 INFO L582 CodeCheckObserver]: Invariant with dag size 33 [2018-10-04 10:18:43,770 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-10-04 10:18:43,770 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-10-04 10:18:43,771 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-10-04 10:18:43,771 INFO L202 PluginConnector]: Adding new model s3_srvr_1_alt.BV.c.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 04.10 10:18:43 ImpRootNode [2018-10-04 10:18:43,772 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-04 10:18:43,773 INFO L168 Benchmark]: Toolchain (without parser) took 25630.87 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 363.9 MB). Free memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: -385.6 MB). Peak memory consumption was 826.5 MB. Max. memory is 7.1 GB. [2018-10-04 10:18:43,774 INFO L168 Benchmark]: Boogie PL CUP Parser took 2.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:18:43,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:18:43,775 INFO L168 Benchmark]: Boogie Preprocessor took 57.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:18:43,776 INFO L168 Benchmark]: RCFGBuilder took 718.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-04 10:18:43,776 INFO L168 Benchmark]: CodeCheck took 24796.43 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 363.9 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -417.4 MB). Peak memory consumption was 794.7 MB. Max. memory is 7.1 GB. [2018-10-04 10:18:43,781 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 17 locations, 1 error locations. SAFE Result, 23.9s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -706195154 SDslu, -1314474632 SDs, 0 SdLazy, -845656776 SolverSat, -1968071610 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9420 GetRequests, 8990 SyntacticMatches, 162 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38407 ImplicationChecksByTransitivity, 19.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 1220 NumberOfCodeBlocks, 1220 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1187 ConstructedInterpolants, 0 QuantifiedInterpolants, 108515 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3586 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 33 InterpolantComputations, 20 PerfectInterpolantSequences, 2060/2434 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 415]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: (((((((((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && !(8448 == ssl3_accept_~s__state~6)) && ssl3_accept_~s__state~6 <= 8576) && 2 == ssl3_accept_~blastFlag~6) || (8544 == ssl3_accept_~s__state~6 && 2 == ssl3_accept_~blastFlag~6)) || (8528 == ssl3_accept_~s__state~6 && 2 == ssl3_accept_~blastFlag~6)) || ((8576 <= ssl3_accept_~s__state~6 && ssl3_accept_~s__state~6 <= 8576) && 2 == ssl3_accept_~blastFlag~6)) || ssl3_accept_~s__state~6 == 8496) || ((!(8448 == ssl3_accept_~s__state~6) && ssl3_accept_~blastFlag~6 <= 0) && ssl3_accept_~s__state~6 <= 8464)) || (((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && 8576 <= ssl3_accept_~s__s3__tmp__next_state___0~6) && 2 == ssl3_accept_~blastFlag~6) && 8448 == ssl3_accept_~s__state~6)) || (8512 == ssl3_accept_~s__state~6 && 2 == ssl3_accept_~blastFlag~6) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (((((8544 == ssl3_accept_~s__state~6 && 2 == ssl3_accept_~blastFlag~6) || (8528 == ssl3_accept_~s__state~6 && 2 == ssl3_accept_~blastFlag~6)) || ssl3_accept_~s__state~6 == 8496) || ((8576 <= ssl3_accept_~s__state~6 && ssl3_accept_~s__state~6 <= 8576) && 2 == ssl3_accept_~blastFlag~6)) || (((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && 8576 <= ssl3_accept_~s__s3__tmp__next_state___0~6) && 2 == ssl3_accept_~blastFlag~6) && 8448 == ssl3_accept_~s__state~6)) || (8512 == ssl3_accept_~s__state~6 && 2 == ssl3_accept_~blastFlag~6) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: (((((((8544 == ssl3_accept_~s__state~6 && 2 == ssl3_accept_~blastFlag~6) || (((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && !(8448 == ssl3_accept_~s__state~6)) && ssl3_accept_~s__state~6 <= 8576) && 2 == ssl3_accept_~blastFlag~6)) || (8528 == ssl3_accept_~s__state~6 && 2 == ssl3_accept_~blastFlag~6)) || ((8576 <= ssl3_accept_~s__state~6 && ssl3_accept_~s__state~6 <= 8576) && 2 == ssl3_accept_~blastFlag~6)) || ssl3_accept_~s__state~6 == 8496) || ((!(8448 == ssl3_accept_~s__state~6) && ssl3_accept_~blastFlag~6 <= 0) && ssl3_accept_~s__state~6 <= 8464)) || (((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && 8576 <= ssl3_accept_~s__s3__tmp__next_state___0~6) && 2 == ssl3_accept_~blastFlag~6) && 8448 == ssl3_accept_~s__state~6)) || (8512 == ssl3_accept_~s__state~6 && 2 == ssl3_accept_~blastFlag~6) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (ssl3_accept_~s__state~6 <= 8576 && 2 == ssl3_accept_~blastFlag~6) || ssl3_accept_~s__state~6 <= 8464 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (((ssl3_accept_~s__state~6 <= 8576 && 2 == ssl3_accept_~blastFlag~6) && 8464 < ssl3_accept_~s__state~6) || (((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && 8576 <= ssl3_accept_~s__s3__tmp__next_state___0~6) && 2 == ssl3_accept_~blastFlag~6) && 8448 == ssl3_accept_~s__state~6)) || (!(8448 == ssl3_accept_~s__state~6) && ssl3_accept_~s__state~6 <= 8464) - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: (((ssl3_accept_~s__state~6 <= 8576 && 2 == ssl3_accept_~blastFlag~6) && 8464 < ssl3_accept_~s__state~6) || (((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && 8576 <= ssl3_accept_~s__s3__tmp__next_state___0~6) && 2 == ssl3_accept_~blastFlag~6) && 8448 == ssl3_accept_~s__state~6)) || (!(8448 == ssl3_accept_~s__state~6) && ssl3_accept_~s__state~6 <= 8464) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((((((8544 == ssl3_accept_~s__state~6 && 2 == ssl3_accept_~blastFlag~6) || (((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && !(8448 == ssl3_accept_~s__state~6)) && ssl3_accept_~s__state~6 <= 8576) && 2 == ssl3_accept_~blastFlag~6)) || (8528 == ssl3_accept_~s__state~6 && 2 == ssl3_accept_~blastFlag~6)) || ((8576 <= ssl3_accept_~s__state~6 && ssl3_accept_~s__state~6 <= 8576) && 2 == ssl3_accept_~blastFlag~6)) || ssl3_accept_~s__state~6 == 8496) || ((!(8448 == ssl3_accept_~s__state~6) && ssl3_accept_~blastFlag~6 <= 0) && ssl3_accept_~s__state~6 <= 8464)) || (((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && 8576 <= ssl3_accept_~s__s3__tmp__next_state___0~6) && 2 == ssl3_accept_~blastFlag~6) && 8448 == ssl3_accept_~s__state~6)) || (8512 == ssl3_accept_~s__state~6 && 2 == ssl3_accept_~blastFlag~6) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((ssl3_accept_~s__state~6 <= 8576 && 2 == ssl3_accept_~blastFlag~6) && 8464 < ssl3_accept_~s__state~6) || (((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && 8576 <= ssl3_accept_~s__s3__tmp__next_state___0~6) && 2 == ssl3_accept_~blastFlag~6) && 8448 == ssl3_accept_~s__state~6)) || (!(8448 == ssl3_accept_~s__state~6) && ssl3_accept_~s__state~6 <= 8464) - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: (((ssl3_accept_~s__state~6 <= 8576 && 2 == ssl3_accept_~blastFlag~6) && 8464 < ssl3_accept_~s__state~6) || (((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && 8576 <= ssl3_accept_~s__s3__tmp__next_state___0~6) && 2 == ssl3_accept_~blastFlag~6) && 8448 == ssl3_accept_~s__state~6)) || (!(8448 == ssl3_accept_~s__state~6) && ssl3_accept_~s__state~6 <= 8464) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: (ssl3_accept_~s__state~6 <= 8576 && 2 == ssl3_accept_~blastFlag~6) || ssl3_accept_~s__state~6 <= 8464 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 2.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 54.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 718.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * CodeCheck took 24796.43 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 363.9 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -417.4 MB). Peak memory consumption was 794.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_1_alt.BV.c.cil.c_14.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-04_10-18-43-797.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_1_alt.BV.c.cil.c_14.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_10-18-43-797.csv Received shutdown request...