./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 305e9c546a6cc2591d6267bc612ab5ec3e8adaa4 ............................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:21:12,880 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:21:12,881 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:21:12,890 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:21:12,890 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:21:12,891 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:21:12,891 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:21:12,893 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:21:12,894 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:21:12,895 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:21:12,895 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:21:12,896 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:21:12,897 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:21:12,897 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:21:12,898 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:21:12,899 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:21:12,899 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:21:12,901 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:21:12,903 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:21:12,904 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:21:12,905 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:21:12,906 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:21:12,907 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:21:12,907 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:21:12,908 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:21:12,909 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:21:12,909 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:21:12,910 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:21:12,910 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:21:12,911 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:21:12,911 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:21:12,912 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:21:12,912 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:21:12,913 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:21:12,913 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:21:12,914 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:21:12,914 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:21:12,925 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:21:12,925 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:21:12,926 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:21:12,926 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:21:12,926 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:21:12,926 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:21:12,927 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:21:12,927 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:21:12,927 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:21:12,928 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:21:12,928 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:21:12,928 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:21:12,928 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:21:12,928 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:21:12,928 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:21:12,929 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:21:12,929 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:21:12,929 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:21:12,929 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:21:12,929 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:21:12,929 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:21:12,929 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:21:12,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:21:12,930 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:21:12,930 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:21:12,930 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:21:12,930 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:21:12,930 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:21:12,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:21:12,930 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 305e9c546a6cc2591d6267bc612ab5ec3e8adaa4 [2018-11-18 11:21:12,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:21:12,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:21:12,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:21:12,964 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:21:12,964 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:21:12,965 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/sendmail-close-angle_true-unreach-call_true-termination.i [2018-11-18 11:21:13,005 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/bin-2019/ukojak/data/b3e7b1f71/f49006696e824a018c7f1ee9f620c5f5/FLAGeb2ed1bff [2018-11-18 11:21:13,422 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:21:13,422 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/sv-benchmarks/c/loop-invgen/sendmail-close-angle_true-unreach-call_true-termination.i [2018-11-18 11:21:13,428 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/bin-2019/ukojak/data/b3e7b1f71/f49006696e824a018c7f1ee9f620c5f5/FLAGeb2ed1bff [2018-11-18 11:21:13,440 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/bin-2019/ukojak/data/b3e7b1f71/f49006696e824a018c7f1ee9f620c5f5 [2018-11-18 11:21:13,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:21:13,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:21:13,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:21:13,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:21:13,448 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:21:13,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:21:13" (1/1) ... [2018-11-18 11:21:13,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617ec0df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:21:13, skipping insertion in model container [2018-11-18 11:21:13,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:21:13" (1/1) ... [2018-11-18 11:21:13,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:21:13,481 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:21:13,613 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:21:13,616 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:21:13,627 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:21:13,638 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:21:13,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:21:13 WrapperNode [2018-11-18 11:21:13,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:21:13,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:21:13,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:21:13,639 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:21:13,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:21:13" (1/1) ... [2018-11-18 11:21:13,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:21:13" (1/1) ... [2018-11-18 11:21:13,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:21:13,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:21:13,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:21:13,661 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:21:13,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:21:13" (1/1) ... [2018-11-18 11:21:13,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:21:13" (1/1) ... [2018-11-18 11:21:13,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:21:13" (1/1) ... [2018-11-18 11:21:13,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:21:13" (1/1) ... [2018-11-18 11:21:13,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:21:13" (1/1) ... [2018-11-18 11:21:13,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:21:13" (1/1) ... [2018-11-18 11:21:13,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:21:13" (1/1) ... [2018-11-18 11:21:13,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:21:13,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:21:13,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:21:13,675 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:21:13,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:21:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/bin-2019/ukojak/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 [2018-11-18 11:21:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:21:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:21:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 11:21:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 11:21:13,933 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:21:13,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:21:13 BoogieIcfgContainer [2018-11-18 11:21:13,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:21:13,934 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:21:13,934 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:21:13,942 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:21:13,942 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:21:13" (1/1) ... [2018-11-18 11:21:13,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:21:13,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:13,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2018-11-18 11:21:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2018-11-18 11:21:13,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 11:21:13,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:14,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:21:14,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:14,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2018-11-18 11:21:14,053 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2018-11-18 11:21:14,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 11:21:14,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:14,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:21:14,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:14,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2018-11-18 11:21:14,227 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2018-11-18 11:21:14,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 11:21:14,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:21:14,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:14,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2018-11-18 11:21:14,274 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2018-11-18 11:21:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 11:21:14,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:14,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:21:14,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2018-11-18 11:21:14,351 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2018-11-18 11:21:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 11:21:14,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:14,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:21:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:14,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-11-18 11:21:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-11-18 11:21:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:21:14,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:21:14,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:14,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-11-18 11:21:14,907 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-11-18 11:21:14,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:21:14,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:14,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:21:14,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:14,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2018-11-18 11:21:14,953 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2018-11-18 11:21:14,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:21:14,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:21:15,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:15,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 70 transitions. [2018-11-18 11:21:15,061 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2018-11-18 11:21:15,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 11:21:15,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:21:15,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:15,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 84 transitions. [2018-11-18 11:21:15,463 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-11-18 11:21:15,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:21:15,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 11:21:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:15,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 88 transitions. [2018-11-18 11:21:15,672 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2018-11-18 11:21:15,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 11:21:15,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 11:21:16,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:16,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 108 transitions. [2018-11-18 11:21:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2018-11-18 11:21:16,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 11:21:16,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 11:21:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:16,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 63 states and 118 transitions. [2018-11-18 11:21:16,777 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 118 transitions. [2018-11-18 11:21:16,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 11:21:16,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:21:17,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:17,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 70 states and 132 transitions. [2018-11-18 11:21:17,453 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2018-11-18 11:21:17,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 11:21:17,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:17,475 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:21:17,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:17,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 71 states and 133 transitions. [2018-11-18 11:21:17,571 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 133 transitions. [2018-11-18 11:21:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 11:21:17,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:17,601 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:21:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:17,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 73 states and 135 transitions. [2018-11-18 11:21:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 135 transitions. [2018-11-18 11:21:17,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 11:21:17,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:17,696 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 11:21:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:17,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 71 states and 129 transitions. [2018-11-18 11:21:17,920 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 129 transitions. [2018-11-18 11:21:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:21:17,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 11:21:18,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:18,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 128 transitions. [2018-11-18 11:21:18,183 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2018-11-18 11:21:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:21:18,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:18,203 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 11:21:18,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:18,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 76 states and 138 transitions. [2018-11-18 11:21:18,551 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 138 transitions. [2018-11-18 11:21:18,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 11:21:18,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 13 proven. 21 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 11:21:19,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:19,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 84 states and 154 transitions. [2018-11-18 11:21:19,912 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 154 transitions. [2018-11-18 11:21:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:21:19,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 11:21:20,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 92 states and 168 transitions. [2018-11-18 11:21:20,583 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 168 transitions. [2018-11-18 11:21:20,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 11:21:20,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 31 proven. 33 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:21:21,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:21,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 95 states and 179 transitions. [2018-11-18 11:21:21,157 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 179 transitions. [2018-11-18 11:21:21,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 11:21:21,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:21,319 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 17 proven. 37 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:21:22,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:22,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 101 states and 189 transitions. [2018-11-18 11:21:22,040 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 189 transitions. [2018-11-18 11:21:22,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 11:21:22,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:22,059 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 44 proven. 43 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-18 11:21:22,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:22,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 101 states and 187 transitions. [2018-11-18 11:21:22,253 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 187 transitions. [2018-11-18 11:21:22,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 11:21:22,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 44 proven. 44 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-11-18 11:21:23,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 109 states and 204 transitions. [2018-11-18 11:21:23,888 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 204 transitions. [2018-11-18 11:21:23,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 11:21:23,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:23,949 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 44 proven. 44 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-11-18 11:21:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 50 states and 77 transitions. [2018-11-18 11:21:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2018-11-18 11:21:24,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 11:21:24,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 44 proven. 46 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-11-18 11:21:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:25,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 58 states and 92 transitions. [2018-11-18 11:21:25,783 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2018-11-18 11:21:25,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 11:21:25,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:21:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:21:25,920 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 64 proven. 65 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-11-18 11:21:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:21:26,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 30 states and 46 transitions. [2018-11-18 11:21:26,312 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-11-18 11:21:26,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:21:26,313 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2018-11-18 11:21:26,318 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:21:26,493 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:21:26,495 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:21:26,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:21:26 ImpRootNode [2018-11-18 11:21:26,496 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:21:26,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:21:26,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:21:26,496 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:21:26,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:21:13" (3/4) ... [2018-11-18 11:21:26,498 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:21:26,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 11:21:26,505 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-18 11:21:26,505 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:21:26,505 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:21:26,536 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dd8306c3-854b-4a0b-b3c6-bba8f0b7234b/bin-2019/ukojak/witness.graphml [2018-11-18 11:21:26,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:21:26,537 INFO L168 Benchmark]: Toolchain (without parser) took 13094.60 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 444.1 MB). Free memory was 953.1 MB in the beginning and 1.4 GB in the end (delta: -462.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:21:26,538 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:21:26,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.65 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:21:26,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.26 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:21:26,539 INFO L168 Benchmark]: Boogie Preprocessor took 13.86 ms. Allocated memory is still 1.0 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:21:26,540 INFO L168 Benchmark]: RCFGBuilder took 259.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:21:26,540 INFO L168 Benchmark]: CodeCheck took 12561.61 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 306.7 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -313.4 MB). Peak memory consumption was 552.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:21:26,540 INFO L168 Benchmark]: Witness Printer took 40.91 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:21:26,542 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 2 procedures, 32 locations, 1 error locations. SAFE Result, 12.3s OverallTime, 28 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1912602624 SDtfs, 553608932 SDslu, 619300652 SDs, 0 SdLazy, -1692184228 SolverSat, 665409316 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10011 GetRequests, 9520 SyntacticMatches, 229 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34237 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1088 NumberOfCodeBlocks, 1088 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1061 ConstructedInterpolants, 0 QuantifiedInterpolants, 190898 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 4 PerfectInterpolantSequences, 1981/2498 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: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 194.65 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.26 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.86 ms. Allocated memory is still 1.0 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 259.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 12561.61 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 306.7 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -313.4 MB). Peak memory consumption was 552.6 MB. Max. memory is 11.5 GB. * Witness Printer took 40.91 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...