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 0.1.23-9f4048f [2018-10-04 13:23:54,340 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:23:54,342 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:23:54,358 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:23:54,359 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:23:54,360 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:23:54,364 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:23:54,366 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:23:54,368 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:23:54,369 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:23:54,370 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:23:54,370 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:23:54,371 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:23:54,379 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:23:54,380 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:23:54,386 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:23:54,386 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:23:54,388 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:23:54,391 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:23:54,393 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:23:54,397 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:23:54,398 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:23:54,400 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:23:54,401 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:23:54,404 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:23:54,405 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:23:54,406 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:23:54,407 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:23:54,408 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:23:54,412 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:23:54,412 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:23:54,413 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:23:54,413 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:23:54,413 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:23:54,414 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:23:54,415 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:23:54,415 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 13:23:54,430 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:23:54,430 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:23:54,431 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:23:54,431 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:23:54,431 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:23:54,432 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:23:54,432 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:23:54,432 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:23:54,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:23:54,433 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:23:54,433 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:23:54,433 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:23:54,433 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:23:54,433 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:23:54,433 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:23:54,434 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:23:54,434 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:23:54,434 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:23:54,434 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:23:54,434 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:23:54,435 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:23:54,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:23:54,435 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:23:54,435 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:23:54,436 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:23:54,437 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:23:54,437 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:23:54,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:23:54,437 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:23:54,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:23:54,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:23:54,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:23:54,512 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:23:54,513 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:23:54,514 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1_alt.BV.c.cil.c_14.bpl [2018-10-04 13:23:54,514 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1_alt.BV.c.cil.c_14.bpl' [2018-10-04 13:23:54,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:23:54,601 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:23:54,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:23:54,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:23:54,602 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:23:54,622 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 01:23:54" (1/1) ... [2018-10-04 13:23:54,638 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 01:23:54" (1/1) ... [2018-10-04 13:23:54,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:23:54,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:23:54,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:23:54,646 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:23:54,658 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 01:23:54" (1/1) ... [2018-10-04 13:23:54,658 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 01:23:54" (1/1) ... [2018-10-04 13:23:54,662 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 01:23:54" (1/1) ... [2018-10-04 13:23:54,662 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 01:23:54" (1/1) ... [2018-10-04 13:23:54,673 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 01:23:54" (1/1) ... [2018-10-04 13:23:54,678 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 01:23:54" (1/1) ... [2018-10-04 13:23:54,682 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 01:23:54" (1/1) ... [2018-10-04 13:23:54,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:23:54,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:23:54,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:23:54,695 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:23:54,696 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 01:23:54" (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 13:23:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 13:23:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 13:23:55,380 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 13:23:55,381 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 01:23:55 BoogieIcfgContainer [2018-10-04 13:23:55,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:23:55,382 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:23:55,382 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:23:55,393 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:23:55,393 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 01:23:55" (1/1) ... [2018-10-04 13:23:55,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:23:55,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:55,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2018-10-04 13:23:55,442 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2018-10-04 13:23:55,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:23:55,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:55,658 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 13:23:56,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:56,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-10-04 13:23:56,010 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-10-04 13:23:56,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:23:56,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:56,130 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 13:23:56,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:56,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2018-10-04 13:23:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2018-10-04 13:23:56,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:23:56,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:56,305 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 13:23:56,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:56,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2018-10-04 13:23:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2018-10-04 13:23:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:23:56,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:56,703 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 13:23:57,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:57,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2018-10-04 13:23:57,298 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-10-04 13:23:57,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:23:57,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:57,449 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 13:23:57,654 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-04 13:23:58,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2018-10-04 13:23:58,051 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2018-10-04 13:23:58,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:23:58,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:58,154 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 13:23:58,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:58,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2018-10-04 13:23:58,305 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2018-10-04 13:23:58,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:23:58,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:58,435 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 13:23:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 59 transitions. [2018-10-04 13:23:58,927 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2018-10-04 13:23:58,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:23:58,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:58,968 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 13:23:59,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:59,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2018-10-04 13:23:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2018-10-04 13:23:59,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:23:59,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:59,287 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 13:23:59,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2018-10-04 13:23:59,783 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2018-10-04 13:23:59,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:23:59,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:59,911 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 13:24:00,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2018-10-04 13:24:00,662 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2018-10-04 13:24:00,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:24:00,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:00,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:24:00,815 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 13:24:01,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:01,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 70 states and 88 transitions. [2018-10-04 13:24:01,824 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2018-10-04 13:24:01,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 13:24:01,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:01,959 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 13:24:02,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:02,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 71 states and 91 transitions. [2018-10-04 13:24:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2018-10-04 13:24:02,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:24:02,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:02,391 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 13:24:02,618 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 7 [2018-10-04 13:24:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:02,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 74 states and 93 transitions. [2018-10-04 13:24:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2018-10-04 13:24:02,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 13:24:02,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:02,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:24:02,833 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 13:24:03,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:03,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 77 states and 95 transitions. [2018-10-04 13:24:03,053 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 95 transitions. [2018-10-04 13:24:03,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 13:24:03,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:03,177 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 13:24:03,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:03,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 78 states and 98 transitions. [2018-10-04 13:24:03,307 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 98 transitions. [2018-10-04 13:24:03,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:24:03,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:03,384 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 13:24:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 81 states and 100 transitions. [2018-10-04 13:24:03,681 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2018-10-04 13:24:03,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:24:03,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:04,297 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 13:24:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:04,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 82 states and 103 transitions. [2018-10-04 13:24:04,537 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 103 transitions. [2018-10-04 13:24:04,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 13:24:04,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:04,627 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 13:24:04,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:04,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 85 states and 105 transitions. [2018-10-04 13:24:04,977 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 105 transitions. [2018-10-04 13:24:04,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:24:04,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:05,246 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 13:24:06,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:06,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 94 states and 119 transitions. [2018-10-04 13:24:06,912 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 119 transitions. [2018-10-04 13:24:06,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:24:06,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:06,943 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 13:24:07,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:07,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 97 states and 126 transitions. [2018-10-04 13:24:07,266 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 126 transitions. [2018-10-04 13:24:07,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 13:24:07,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:07,452 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 13:24:07,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:07,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 100 states and 128 transitions. [2018-10-04 13:24:07,670 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2018-10-04 13:24:07,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:24:07,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:07,913 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 13:24:09,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 112 states and 146 transitions. [2018-10-04 13:24:09,175 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 146 transitions. [2018-10-04 13:24:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:24:09,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:09,206 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 13:24:09,641 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-04 13:24:10,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:10,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 115 states and 148 transitions. [2018-10-04 13:24:10,095 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 148 transitions. [2018-10-04 13:24:10,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 13:24:10,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:10,126 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 13:24:10,408 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 12 [2018-10-04 13:24:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 118 states and 151 transitions. [2018-10-04 13:24:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 151 transitions. [2018-10-04 13:24:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 13:24:10,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:10,612 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 13:24:10,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:10,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 121 states and 154 transitions. [2018-10-04 13:24:10,908 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 154 transitions. [2018-10-04 13:24:10,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 13:24:10,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:10,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:24:11,814 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 13:24:15,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:15,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 162 states and 222 transitions. [2018-10-04 13:24:15,085 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 222 transitions. [2018-10-04 13:24:15,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 13:24:15,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:15,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:24:15,201 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 13:24:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:16,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 168 states and 228 transitions. [2018-10-04 13:24:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 228 transitions. [2018-10-04 13:24:16,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 13:24:16,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:16,150 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:24:16,156 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 13:24:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 171 states and 230 transitions. [2018-10-04 13:24:16,476 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 230 transitions. [2018-10-04 13:24:16,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 13:24:16,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:16,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:24:16,579 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 13:24:16,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:16,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 176 states and 235 transitions. [2018-10-04 13:24:16,825 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 235 transitions. [2018-10-04 13:24:16,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 13:24:16,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:16,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:24:16,924 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 13:24:17,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:17,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 179 states and 240 transitions. [2018-10-04 13:24:17,393 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 240 transitions. [2018-10-04 13:24:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 13:24:17,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:17,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:24:17,495 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 13:24:18,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:18,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 180 states and 242 transitions. [2018-10-04 13:24:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 242 transitions. [2018-10-04 13:24:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:24:18,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:18,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:24:18,243 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 13:24:18,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:18,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 181 states and 247 transitions. [2018-10-04 13:24:18,762 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 247 transitions. [2018-10-04 13:24:18,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 13:24:18,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:18,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:24:18,873 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 13:24:20,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:20,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 56 states and 57 transitions. [2018-10-04 13:24:20,028 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2018-10-04 13:24:20,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 13:24:20,029 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-10-04 13:24:20,039 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-04 13:24:20,180 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-10-04 13:24:20,361 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-10-04 13:24:20,617 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-10-04 13:24:20,770 INFO L582 CodeCheckObserver]: Invariant with dag size 33 [2018-10-04 13:24:20,781 INFO L582 CodeCheckObserver]: Invariant with dag size 26 [2018-10-04 13:24:20,782 INFO L582 CodeCheckObserver]: Invariant with dag size 33 [2018-10-04 13:24:20,783 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-10-04 13:24:20,783 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-10-04 13:24:20,784 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-10-04 13:24:20,784 INFO L582 CodeCheckObserver]: Invariant with dag size 33 [2018-10-04 13:24:20,785 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-10-04 13:24:20,785 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-10-04 13:24:20,786 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-10-04 13:24:20,786 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 01:24:20 ImpRootNode [2018-10-04 13:24:20,786 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-04 13:24:20,787 INFO L168 Benchmark]: Toolchain (without parser) took 26187.06 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 334.0 MB). Free memory was 1.4 GB in the beginning and 958.7 MB in the end (delta: 458.6 MB). Peak memory consumption was 792.6 MB. Max. memory is 7.1 GB. [2018-10-04 13:24:20,789 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:24:20,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.50 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:24:20,790 INFO L168 Benchmark]: Boogie Preprocessor took 48.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:24:20,790 INFO L168 Benchmark]: RCFGBuilder took 686.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 13:24:20,791 INFO L168 Benchmark]: CodeCheck took 25404.89 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 334.0 MB). Free memory was 1.4 GB in the beginning and 958.7 MB in the end (delta: 426.9 MB). Peak memory consumption was 760.8 MB. Max. memory is 7.1 GB. [2018-10-04 13:24:20,796 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, 24.6s 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, 33.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9428 GetRequests, 8998 SyntacticMatches, 162 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38407 ImplicationChecksByTransitivity, 20.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.8s 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: (((((((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)) || ((8576 <= 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)) || 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: (((((((((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: 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 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.50 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 686.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 25404.89 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 334.0 MB). Free memory was 1.4 GB in the beginning and 958.7 MB in the end (delta: 426.9 MB). Peak memory consumption was 760.8 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_13-24-20-812.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_13-24-20-812.csv Received shutdown request...