./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e8a947fa-296c-4122-9cf1-d01242045772/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e8a947fa-296c-4122-9cf1-d01242045772/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e8a947fa-296c-4122-9cf1-d01242045772/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e8a947fa-296c-4122-9cf1-d01242045772/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e8a947fa-296c-4122-9cf1-d01242045772/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e8a947fa-296c-4122-9cf1-d01242045772/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 01c80fcdd0a0da14cc25a34188deb5573e4a4209 ........................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:29:32,402 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:29:32,403 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:29:32,409 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:29:32,409 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:29:32,410 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:29:32,410 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:29:32,411 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:29:32,412 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:29:32,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:29:32,413 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:29:32,414 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:29:32,414 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:29:32,415 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:29:32,416 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:29:32,416 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:29:32,417 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:29:32,418 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:29:32,419 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:29:32,420 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:29:32,421 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:29:32,422 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:29:32,423 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:29:32,424 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:29:32,424 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:29:32,425 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:29:32,425 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:29:32,426 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:29:32,426 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:29:32,427 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:29:32,427 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:29:32,428 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:29:32,428 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:29:32,428 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:29:32,428 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:29:32,429 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:29:32,429 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e8a947fa-296c-4122-9cf1-d01242045772/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 05:29:32,436 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:29:32,436 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:29:32,437 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:29:32,437 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 05:29:32,438 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:29:32,438 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:29:32,438 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:29:32,438 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:29:32,438 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:29:32,438 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:29:32,438 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:29:32,439 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:29:32,439 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:29:32,439 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:29:32,439 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:29:32,439 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:29:32,439 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:29:32,439 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:29:32,440 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 05:29:32,440 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 05:29:32,440 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:29:32,440 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:29:32,442 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:29:32,442 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:29:32,442 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:29:32,442 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:29:32,442 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 05:29:32,442 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:29:32,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:29:32,443 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_e8a947fa-296c-4122-9cf1-d01242045772/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 -> 01c80fcdd0a0da14cc25a34188deb5573e4a4209 [2018-11-23 05:29:32,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:29:32,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:29:32,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:29:32,481 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:29:32,481 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:29:32,482 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e8a947fa-296c-4122-9cf1-d01242045772/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/apache-get-tag_true-unreach-call_true-termination.i [2018-11-23 05:29:32,525 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8a947fa-296c-4122-9cf1-d01242045772/bin-2019/ukojak/data/e99655b16/274ac29823734ba9922e6ed8a57090d8/FLAG7b8a165ae [2018-11-23 05:29:32,827 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:29:32,828 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e8a947fa-296c-4122-9cf1-d01242045772/sv-benchmarks/c/loop-invgen/apache-get-tag_true-unreach-call_true-termination.i [2018-11-23 05:29:32,833 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8a947fa-296c-4122-9cf1-d01242045772/bin-2019/ukojak/data/e99655b16/274ac29823734ba9922e6ed8a57090d8/FLAG7b8a165ae [2018-11-23 05:29:32,843 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e8a947fa-296c-4122-9cf1-d01242045772/bin-2019/ukojak/data/e99655b16/274ac29823734ba9922e6ed8a57090d8 [2018-11-23 05:29:32,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:29:32,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:29:32,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:29:32,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:29:32,850 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:29:32,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:29:32" (1/1) ... [2018-11-23 05:29:32,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af492b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:32, skipping insertion in model container [2018-11-23 05:29:32,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:29:32" (1/1) ... [2018-11-23 05:29:32,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:29:32,873 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:29:32,981 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:29:32,983 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:29:32,998 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:29:33,009 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:29:33,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:33 WrapperNode [2018-11-23 05:29:33,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:29:33,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:29:33,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:29:33,011 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:29:33,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:33" (1/1) ... [2018-11-23 05:29:33,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:33" (1/1) ... [2018-11-23 05:29:33,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:29:33,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:29:33,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:29:33,035 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:29:33,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:33" (1/1) ... [2018-11-23 05:29:33,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:33" (1/1) ... [2018-11-23 05:29:33,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:33" (1/1) ... [2018-11-23 05:29:33,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:33" (1/1) ... [2018-11-23 05:29:33,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:33" (1/1) ... [2018-11-23 05:29:33,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:33" (1/1) ... [2018-11-23 05:29:33,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:33" (1/1) ... [2018-11-23 05:29:33,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:29:33,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:29:33,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:29:33,049 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:29:33,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8a947fa-296c-4122-9cf1-d01242045772/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 [2018-11-23 05:29:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:29:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:29:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 05:29:33,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 05:29:33,268 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:29:33,268 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 05:29:33,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:29:33 BoogieIcfgContainer [2018-11-23 05:29:33,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:29:33,268 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 05:29:33,269 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 05:29:33,275 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 05:29:33,275 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:29:33" (1/1) ... [2018-11-23 05:29:33,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:29:33,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:33,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-11-23 05:29:33,311 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-11-23 05:29:33,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 05:29:33,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:33,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:29:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:33,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2018-11-23 05:29:33,391 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2018-11-23 05:29:33,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 05:29:33,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:29:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2018-11-23 05:29:33,552 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2018-11-23 05:29:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 05:29:33,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:29:33,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:33,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2018-11-23 05:29:33,622 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2018-11-23 05:29:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 05:29:33,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:29:33,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:33,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 47 states and 89 transitions. [2018-11-23 05:29:33,665 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 89 transitions. [2018-11-23 05:29:33,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 05:29:33,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:33,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:29:34,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:34,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 84 transitions. [2018-11-23 05:29:34,022 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2018-11-23 05:29:34,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 05:29:34,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:34,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:29:34,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 91 transitions. [2018-11-23 05:29:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2018-11-23 05:29:34,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 05:29:34,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:29:34,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:34,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 54 states and 93 transitions. [2018-11-23 05:29:34,140 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2018-11-23 05:29:34,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 05:29:34,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 05:29:34,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 92 transitions. [2018-11-23 05:29:34,160 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2018-11-23 05:29:34,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 05:29:34,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:34,220 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 05:29:34,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:34,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 57 states and 98 transitions. [2018-11-23 05:29:34,305 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 98 transitions. [2018-11-23 05:29:34,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 05:29:34,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 05:29:34,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:34,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 51 states and 89 transitions. [2018-11-23 05:29:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2018-11-23 05:29:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 05:29:34,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:34,375 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 05:29:34,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:34,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 54 states and 97 transitions. [2018-11-23 05:29:34,403 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2018-11-23 05:29:34,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 05:29:34,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 05:29:34,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 55 states and 99 transitions. [2018-11-23 05:29:34,435 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2018-11-23 05:29:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 05:29:34,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:34,453 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 05:29:34,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:34,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 56 states and 100 transitions. [2018-11-23 05:29:34,482 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2018-11-23 05:29:34,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 05:29:34,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 05:29:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 57 states and 102 transitions. [2018-11-23 05:29:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 102 transitions. [2018-11-23 05:29:34,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 05:29:34,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:34,533 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 05:29:34,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:34,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 58 states and 103 transitions. [2018-11-23 05:29:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2018-11-23 05:29:34,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 05:29:34,632 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 05:29:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:34,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 51 states and 92 transitions. [2018-11-23 05:29:34,930 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2018-11-23 05:29:34,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 05:29:34,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 05:29:35,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 57 states and 104 transitions. [2018-11-23 05:29:35,012 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2018-11-23 05:29:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 05:29:35,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:35,029 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 05:29:35,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 59 states and 107 transitions. [2018-11-23 05:29:35,066 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 107 transitions. [2018-11-23 05:29:35,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 05:29:35,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:35,084 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 05:29:35,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:35,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 60 states and 108 transitions. [2018-11-23 05:29:35,102 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2018-11-23 05:29:35,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 05:29:35,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 05:29:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:35,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 62 states and 111 transitions. [2018-11-23 05:29:35,136 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 111 transitions. [2018-11-23 05:29:35,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 05:29:35,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:35,154 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 05:29:35,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:35,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 62 states and 109 transitions. [2018-11-23 05:29:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2018-11-23 05:29:35,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 05:29:35,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:35,221 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 05:29:35,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:35,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 52 states and 82 transitions. [2018-11-23 05:29:35,264 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 82 transitions. [2018-11-23 05:29:35,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 05:29:35,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:35,280 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 05:29:35,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:35,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 52 states and 81 transitions. [2018-11-23 05:29:35,315 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2018-11-23 05:29:35,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 05:29:35,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 05:29:35,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:35,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 52 states and 80 transitions. [2018-11-23 05:29:35,476 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 80 transitions. [2018-11-23 05:29:35,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 05:29:35,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:35,492 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 05:29:35,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:35,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 55 states and 85 transitions. [2018-11-23 05:29:35,591 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2018-11-23 05:29:35,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 05:29:35,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:29:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:29:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 05:29:35,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:29:35,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 37 states and 59 transitions. [2018-11-23 05:29:35,635 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2018-11-23 05:29:35,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:29:35,636 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2018-11-23 05:29:35,643 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 05:29:35,795 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:29:35,797 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:29:35,797 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:29:35,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 05:29:35 ImpRootNode [2018-11-23 05:29:35,797 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 05:29:35,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:29:35,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:29:35,798 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:29:35,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:29:33" (3/4) ... [2018-11-23 05:29:35,801 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:29:35,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 05:29:35,808 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 05:29:35,809 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 05:29:35,809 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:29:35,844 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e8a947fa-296c-4122-9cf1-d01242045772/bin-2019/ukojak/witness.graphml [2018-11-23 05:29:35,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:29:35,844 INFO L168 Benchmark]: Toolchain (without parser) took 2997.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 959.2 MB in the beginning and 933.8 MB in the end (delta: 25.5 MB). Peak memory consumption was 168.1 MB. Max. memory is 11.5 GB. [2018-11-23 05:29:35,845 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:29:35,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.23 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:29:35,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.63 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:29:35,846 INFO L168 Benchmark]: Boogie Preprocessor took 14.70 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:29:35,846 INFO L168 Benchmark]: RCFGBuilder took 218.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 05:29:35,847 INFO L168 Benchmark]: CodeCheck took 2528.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 937.3 MB in the end (delta: 185.6 MB). Peak memory consumption was 185.6 MB. Max. memory is 11.5 GB. [2018-11-23 05:29:35,847 INFO L168 Benchmark]: Witness Printer took 46.33 ms. Allocated memory is still 1.2 GB. Free memory was 937.3 MB in the beginning and 933.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:29:35,848 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, 42 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 27 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1244692480 SDtfs, 253265544 SDslu, 149998460 SDs, 0 SdLazy, 2073951664 SolverSat, 422459152 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7278 GetRequests, 7073 SyntacticMatches, 155 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 859 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 649 NumberOfCodeBlocks, 649 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 623 ConstructedInterpolants, 0 QuantifiedInterpolants, 44024 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 5 PerfectInterpolantSequences, 291/452 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: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.23 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 23.63 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.70 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 218.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 2528.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 937.3 MB in the end (delta: 185.6 MB). Peak memory consumption was 185.6 MB. Max. memory is 11.5 GB. * Witness Printer took 46.33 ms. Allocated memory is still 1.2 GB. Free memory was 937.3 MB in the beginning and 933.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...