java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_3_alt.BV.c.cil.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 23:01:14,377 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 23:01:14,379 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 23:01:14,395 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 23:01:14,395 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 23:01:14,397 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 23:01:14,398 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 23:01:14,400 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 23:01:14,402 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 23:01:14,403 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 23:01:14,404 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 23:01:14,406 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 23:01:14,407 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 23:01:14,408 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 23:01:14,416 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 23:01:14,417 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 23:01:14,421 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 23:01:14,425 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 23:01:14,428 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 23:01:14,431 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 23:01:14,433 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 23:01:14,434 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 23:01:14,437 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 23:01:14,437 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 23:01:14,437 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 23:01:14,438 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 23:01:14,440 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 23:01:14,442 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 23:01:14,443 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 23:01:14,447 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 23:01:14,447 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 23:01:14,448 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 23:01:14,448 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 23:01:14,448 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 23:01:14,451 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 23:01:14,452 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 23:01:14,452 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-26 23:01:14,469 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 23:01:14,469 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 23:01:14,470 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 23:01:14,470 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 23:01:14,471 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 23:01:14,471 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 23:01:14,471 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 23:01:14,472 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 23:01:14,472 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 23:01:14,472 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 23:01:14,472 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 23:01:14,472 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 23:01:14,473 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 23:01:14,473 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 23:01:14,473 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 23:01:14,473 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 23:01:14,473 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 23:01:14,474 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 23:01:14,474 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 23:01:14,474 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 23:01:14,474 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 23:01:14,474 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 23:01:14,475 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 23:01:14,475 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 23:01:14,475 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 23:01:14,475 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 23:01:14,475 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 23:01:14,476 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 23:01:14,476 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 23:01:14,476 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 23:01:14,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 23:01:14,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 23:01:14,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 23:01:14,546 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 23:01:14,547 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 23:01:14,548 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_3_alt.BV.c.cil.c_19.bpl [2018-09-26 23:01:14,548 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_3_alt.BV.c.cil.c_19.bpl' [2018-09-26 23:01:14,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 23:01:14,640 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 23:01:14,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 23:01:14,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 23:01:14,641 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 23:01:14,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:01:14" (1/1) ... [2018-09-26 23:01:14,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:01:14" (1/1) ... [2018-09-26 23:01:14,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 23:01:14,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 23:01:14,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 23:01:14,706 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 23:01:14,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:01:14" (1/1) ... [2018-09-26 23:01:14,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:01:14" (1/1) ... [2018-09-26 23:01:14,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:01:14" (1/1) ... [2018-09-26 23:01:14,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:01:14" (1/1) ... [2018-09-26 23:01:14,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:01:14" (1/1) ... [2018-09-26 23:01:14,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:01:14" (1/1) ... [2018-09-26 23:01:14,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:01:14" (1/1) ... [2018-09-26 23:01:14,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 23:01:14,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 23:01:14,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 23:01:14,770 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 23:01:14,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:01:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 23:01:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 23:01:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 23:01:15,681 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 23:01:15,682 INFO L202 PluginConnector]: Adding new model s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 11:01:15 BoogieIcfgContainer [2018-09-26 23:01:15,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 23:01:15,683 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 23:01:15,684 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 23:01:15,697 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 23:01:15,698 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 11:01:15" (1/1) ... [2018-09-26 23:01:15,717 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 23:01:15,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:15,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2018-09-26 23:01:15,754 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2018-09-26 23:01:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 23:01:15,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:18,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:18,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2018-09-26 23:01:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2018-09-26 23:01:18,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 23:01:18,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:18,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:18,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:18,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-09-26 23:01:18,592 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-09-26 23:01:18,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 23:01:18,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:18,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:19,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:19,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2018-09-26 23:01:19,247 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2018-09-26 23:01:19,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 23:01:19,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:19,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:20,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:20,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2018-09-26 23:01:20,921 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2018-09-26 23:01:20,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 23:01:20,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:21,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:22,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:22,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2018-09-26 23:01:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2018-09-26 23:01:22,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 23:01:22,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 23:01:22,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:22,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 43 states and 54 transitions. [2018-09-26 23:01:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2018-09-26 23:01:22,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 23:01:22,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:24,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2018-09-26 23:01:24,202 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2018-09-26 23:01:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 23:01:24,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:24,291 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:25,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 67 transitions. [2018-09-26 23:01:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2018-09-26 23:01:25,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 23:01:25,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:26,018 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:27,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:27,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 64 states and 75 transitions. [2018-09-26 23:01:27,476 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2018-09-26 23:01:27,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 23:01:27,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:27,731 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:29,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:29,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 73 states and 84 transitions. [2018-09-26 23:01:29,690 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2018-09-26 23:01:29,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 23:01:29,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:29,805 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:32,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:32,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 83 states and 94 transitions. [2018-09-26 23:01:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2018-09-26 23:01:32,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 23:01:32,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:32,902 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-26 23:01:33,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:33,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 84 states and 95 transitions. [2018-09-26 23:01:33,714 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2018-09-26 23:01:33,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 23:01:33,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:33,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:01:34,653 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:35,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 85 states and 97 transitions. [2018-09-26 23:01:35,842 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2018-09-26 23:01:35,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 23:01:35,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:40,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:40,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 97 states and 108 transitions. [2018-09-26 23:01:40,583 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 108 transitions. [2018-09-26 23:01:40,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 23:01:40,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-09-26 23:01:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:42,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 98 states and 109 transitions. [2018-09-26 23:01:42,204 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 109 transitions. [2018-09-26 23:01:42,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 23:01:42,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:42,286 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-26 23:01:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:43,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 99 states and 110 transitions. [2018-09-26 23:01:43,685 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 110 transitions. [2018-09-26 23:01:43,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 23:01:43,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:43,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:01:44,839 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-09-26 23:01:51,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:51,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 110 states and 122 transitions. [2018-09-26 23:01:51,948 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2018-09-26 23:01:51,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 23:01:51,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:53,206 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-26 23:02:00,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:00,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 111 states and 122 transitions. [2018-09-26 23:02:00,727 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 122 transitions. [2018-09-26 23:02:00,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-26 23:02:00,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-26 23:02:03,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 112 states and 122 transitions. [2018-09-26 23:02:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 122 transitions. [2018-09-26 23:02:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-26 23:02:03,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-09-26 23:02:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:05,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 113 states and 122 transitions. [2018-09-26 23:02:05,901 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2018-09-26 23:02:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-26 23:02:05,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:05,970 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:02:06,461 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 136 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-09-26 23:02:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:16,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 124 states and 133 transitions. [2018-09-26 23:02:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 133 transitions. [2018-09-26 23:02:16,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-26 23:02:16,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-09-26 23:02:21,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 125 states and 134 transitions. [2018-09-26 23:02:21,366 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 134 transitions. [2018-09-26 23:02:21,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-09-26 23:02:21,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:21,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:02:25,766 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 60 proven. 81 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-09-26 23:04:07,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:07,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 220 states and 242 transitions. [2018-09-26 23:04:07,261 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 242 transitions. [2018-09-26 23:04:07,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-26 23:04:07,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:07,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:04:13,159 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2018-09-26 23:04:44,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 231 states and 254 transitions. [2018-09-26 23:04:44,677 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 254 transitions. [2018-09-26 23:04:44,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-09-26 23:04:44,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:44,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:05:17,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 736 proven. 8 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown