./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/bin/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 edfcf451b435e6b30ae37c75ee1e2f5c8348550f ............................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:26:57,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:26:57,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:26:57,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:26:57,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:26:57,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:26:57,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:26:57,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:26:57,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:26:57,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:26:57,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:26:57,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:26:57,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:26:57,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:26:57,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:26:57,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:26:57,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:26:57,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:26:57,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:26:57,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:26:57,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:26:57,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:26:57,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:26:57,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:26:57,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:26:57,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:26:57,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:26:57,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:26:57,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:26:57,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:26:57,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:26:57,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:26:57,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:26:57,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:26:57,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:26:57,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:26:57,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:26:57,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:26:57,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:26:57,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:26:57,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:26:57,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:26:57,888 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:26:57,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:26:57,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:26:57,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:26:57,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:26:57,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:26:57,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:26:57,891 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:26:57,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:26:57,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:26:57,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:26:57,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:26:57,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:26:57,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:26:57,892 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:26:57,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:26:57,893 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:26:57,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:26:57,893 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:26:57,893 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:26:57,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:26:57,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:26:57,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:26:57,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:26:57,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:26:57,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:26:57,895 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:26:57,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:26:57,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:26:57,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/bin/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 -> edfcf451b435e6b30ae37c75ee1e2f5c8348550f [2019-11-26 02:26:58,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:26:58,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:26:58,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:26:58,052 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:26:58,052 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:26:58,053 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/bin/ukojak/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2019-11-26 02:26:58,112 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/bin/ukojak/data/1b66a7a9c/1e6e485499254fadb80d5f7293b42263/FLAG4d8486062 [2019-11-26 02:26:58,527 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:26:58,527 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2019-11-26 02:26:58,537 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/bin/ukojak/data/1b66a7a9c/1e6e485499254fadb80d5f7293b42263/FLAG4d8486062 [2019-11-26 02:26:58,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/bin/ukojak/data/1b66a7a9c/1e6e485499254fadb80d5f7293b42263 [2019-11-26 02:26:58,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:26:58,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:26:58,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:26:58,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:26:58,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:26:58,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:26:58" (1/1) ... [2019-11-26 02:26:58,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8f057a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:58, skipping insertion in model container [2019-11-26 02:26:58,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:26:58" (1/1) ... [2019-11-26 02:26:58,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:26:58,986 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:26:59,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:26:59,312 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:26:59,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:26:59,360 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:26:59,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:59 WrapperNode [2019-11-26 02:26:59,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:26:59,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:26:59,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:26:59,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:26:59,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:59" (1/1) ... [2019-11-26 02:26:59,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:59" (1/1) ... [2019-11-26 02:26:59,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:26:59,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:26:59,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:26:59,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:26:59,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:59" (1/1) ... [2019-11-26 02:26:59,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:59" (1/1) ... [2019-11-26 02:26:59,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:59" (1/1) ... [2019-11-26 02:26:59,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:59" (1/1) ... [2019-11-26 02:26:59,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:59" (1/1) ... [2019-11-26 02:26:59,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:59" (1/1) ... [2019-11-26 02:26:59,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:59" (1/1) ... [2019-11-26 02:26:59,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:26:59,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:26:59,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:26:59,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:26:59,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/bin/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 [2019-11-26 02:26:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:26:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:27:00,004 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:27:00,005 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-26 02:27:00,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:27:00 BoogieIcfgContainer [2019-11-26 02:27:00,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:27:00,006 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:27:00,006 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:27:00,016 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:27:00,017 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:27:00" (1/1) ... [2019-11-26 02:27:00,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:27:00,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:00,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2019-11-26 02:27:00,065 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2019-11-26 02:27:00,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:27:00,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:00,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:00,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:00,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2019-11-26 02:27:00,299 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-11-26 02:27:00,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:27:00,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:00,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:00,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 69 states and 94 transitions. [2019-11-26 02:27:00,468 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2019-11-26 02:27:00,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:27:00,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:00,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:00,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:00,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 72 states and 96 transitions. [2019-11-26 02:27:00,690 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2019-11-26 02:27:00,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:27:00,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:01,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:01,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 75 states and 100 transitions. [2019-11-26 02:27:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2019-11-26 02:27:01,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:27:01,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:01,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 77 states and 103 transitions. [2019-11-26 02:27:01,458 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2019-11-26 02:27:01,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:27:01,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:01,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:01,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:01,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 79 states and 106 transitions. [2019-11-26 02:27:01,627 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 106 transitions. [2019-11-26 02:27:01,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:27:01,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:01,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:01,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:01,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 77 states and 103 transitions. [2019-11-26 02:27:01,915 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2019-11-26 02:27:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:27:01,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:01,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:02,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 75 states and 100 transitions. [2019-11-26 02:27:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2019-11-26 02:27:02,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:27:02,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:02,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:03,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 80 states and 105 transitions. [2019-11-26 02:27:03,368 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 105 transitions. [2019-11-26 02:27:03,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:27:03,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:03,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:03,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:03,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 83 states and 109 transitions. [2019-11-26 02:27:03,545 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 109 transitions. [2019-11-26 02:27:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:27:03,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:03,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:03,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 85 states and 111 transitions. [2019-11-26 02:27:03,915 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 111 transitions. [2019-11-26 02:27:03,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:27:03,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:04,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:04,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:04,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2019-11-26 02:27:04,889 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2019-11-26 02:27:04,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:27:04,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:05,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 95 states and 125 transitions. [2019-11-26 02:27:05,231 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 125 transitions. [2019-11-26 02:27:05,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:27:05,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:05,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:05,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 98 states and 128 transitions. [2019-11-26 02:27:05,668 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 128 transitions. [2019-11-26 02:27:05,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-26 02:27:05,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:06,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 101 states and 131 transitions. [2019-11-26 02:27:06,177 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 131 transitions. [2019-11-26 02:27:06,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:27:06,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:06,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:06,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:06,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 88 states and 112 transitions. [2019-11-26 02:27:06,871 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2019-11-26 02:27:06,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:27:06,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:07,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:08,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 92 states and 119 transitions. [2019-11-26 02:27:08,021 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2019-11-26 02:27:08,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:27:08,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:09,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:09,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2019-11-26 02:27:09,019 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2019-11-26 02:27:09,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:27:09,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:09,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:09,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:09,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 93 states and 120 transitions. [2019-11-26 02:27:09,596 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2019-11-26 02:27:09,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:27:09,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:09,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:10,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:10,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 97 states and 128 transitions. [2019-11-26 02:27:10,367 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions. [2019-11-26 02:27:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:27:10,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:10,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:10,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 67 states and 80 transitions. [2019-11-26 02:27:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2019-11-26 02:27:10,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:27:10,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:27:11,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:11,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2019-11-26 02:27:11,441 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2019-11-26 02:27:11,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:27:11,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:27:12,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:12,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 52 states and 63 transitions. [2019-11-26 02:27:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2019-11-26 02:27:12,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:27:12,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:12,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:27:13,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:13,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 66 transitions. [2019-11-26 02:27:13,502 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2019-11-26 02:27:13,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:27:13,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:27:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:27:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:27:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2019-11-26 02:27:13,714 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2019-11-26 02:27:13,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:27:13,715 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2019-11-26 02:27:13,728 INFO L765 CodeCheckObserver]: All specifications hold 17 specifications checked. All of them hold [2019-11-26 02:27:13,849 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-26 02:27:13,858 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:27:13,859 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-26 02:27:13,859 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2019-11-26 02:27:13,860 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-26 02:27:13,861 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:27:13,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:27:13 ImpRootNode [2019-11-26 02:27:13,861 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:27:13,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:27:13,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:27:13,862 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:27:13,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:27:00" (3/4) ... [2019-11-26 02:27:13,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:27:13,879 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:27:13,879 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:27:13,969 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_39f76bc1-7ac6-4a19-a575-d4cc30cbf156/bin/ukojak/witness.graphml [2019-11-26 02:27:13,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:27:13,971 INFO L168 Benchmark]: Toolchain (without parser) took 15055.38 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 261.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -146.4 MB). Peak memory consumption was 114.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:13,971 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:27:13,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:13,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:13,973 INFO L168 Benchmark]: Boogie Preprocessor took 28.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:27:13,973 INFO L168 Benchmark]: RCFGBuilder took 569.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:13,974 INFO L168 Benchmark]: CodeCheck took 13855.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 118.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -3.7 MB). Peak memory consumption was 114.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:13,974 INFO L168 Benchmark]: Witness Printer took 107.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:13,976 INFO L335 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, 69 locations, 17 error locations. Result: SAFE, OverallTime: 13.6s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 210467456 SDtfs, 204542952 SDslu, 148886008 SDs, 0 SdLazy, 764502116 SolverSat, 259377144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2738 GetRequests, 2362 SyntacticMatches, 168 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17087 ImplicationChecksByTransitivity, 12.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 12935 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 20 PerfectInterpolantSequences, 6/14 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 51]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 150]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 346]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 334]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 80]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 39]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 68]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 274]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 110]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 122]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 138]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 220]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 305]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 293]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 232]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 184]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 1 <= main__t - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 <= main__t && main__t + 1 <= main__tagbuf_len - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 445.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 569.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * CodeCheck took 13855.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 118.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -3.7 MB). Peak memory consumption was 114.2 MB. Max. memory is 11.5 GB. * Witness Printer took 107.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...