./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/quick_sort_split.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_10be88b8-7322-482a-a515-6cd0f5f73e2a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_10be88b8-7322-482a-a515-6cd0f5f73e2a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_10be88b8-7322-482a-a515-6cd0f5f73e2a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_10be88b8-7322-482a-a515-6cd0f5f73e2a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/quick_sort_split.i -s /tmp/vcloud-vcloud-master/worker/run_dir_10be88b8-7322-482a-a515-6cd0f5f73e2a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_10be88b8-7322-482a-a515-6cd0f5f73e2a/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 9a9cf4ff5024af4bea046a077f81b398a029046b .......................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 19:36:29,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 19:36:29,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 19:36:29,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 19:36:29,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 19:36:29,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 19:36:29,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 19:36:29,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 19:36:29,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 19:36:29,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 19:36:29,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 19:36:29,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 19:36:29,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 19:36:29,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 19:36:29,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 19:36:29,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 19:36:29,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 19:36:29,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 19:36:29,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 19:36:29,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 19:36:29,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 19:36:29,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 19:36:29,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 19:36:29,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 19:36:29,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 19:36:29,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 19:36:29,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 19:36:29,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 19:36:29,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 19:36:29,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 19:36:29,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 19:36:29,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 19:36:29,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 19:36:29,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 19:36:29,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 19:36:29,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 19:36:29,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 19:36:29,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 19:36:29,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 19:36:29,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 19:36:29,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 19:36:29,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_10be88b8-7322-482a-a515-6cd0f5f73e2a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 19:36:29,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 19:36:29,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 19:36:29,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 19:36:29,799 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 19:36:29,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 19:36:29,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 19:36:29,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 19:36:29,800 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 19:36:29,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 19:36:29,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 19:36:29,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 19:36:29,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 19:36:29,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 19:36:29,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 19:36:29,801 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 19:36:29,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 19:36:29,801 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 19:36:29,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 19:36:29,801 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 19:36:29,801 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 19:36:29,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 19:36:29,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 19:36:29,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 19:36:29,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 19:36:29,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 19:36:29,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 19:36:29,802 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 19:36:29,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 19:36:29,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 19:36:29,802 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_10be88b8-7322-482a-a515-6cd0f5f73e2a/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 -> 9a9cf4ff5024af4bea046a077f81b398a029046b [2019-12-01 19:36:29,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 19:36:29,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 19:36:29,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 19:36:29,925 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 19:36:29,925 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 19:36:29,925 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_10be88b8-7322-482a-a515-6cd0f5f73e2a/bin/ukojak/../../sv-benchmarks/c/heap-data/quick_sort_split.i [2019-12-01 19:36:29,968 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10be88b8-7322-482a-a515-6cd0f5f73e2a/bin/ukojak/data/ff650407f/bc86015936b74856b6ca028499758393/FLAG92193f68d [2019-12-01 19:36:30,407 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 19:36:30,407 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_10be88b8-7322-482a-a515-6cd0f5f73e2a/sv-benchmarks/c/heap-data/quick_sort_split.i [2019-12-01 19:36:30,415 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10be88b8-7322-482a-a515-6cd0f5f73e2a/bin/ukojak/data/ff650407f/bc86015936b74856b6ca028499758393/FLAG92193f68d [2019-12-01 19:36:30,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_10be88b8-7322-482a-a515-6cd0f5f73e2a/bin/ukojak/data/ff650407f/bc86015936b74856b6ca028499758393 [2019-12-01 19:36:30,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 19:36:30,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 19:36:30,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 19:36:30,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 19:36:30,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 19:36:30,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:36:30" (1/1) ... [2019-12-01 19:36:30,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eba8e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:36:30, skipping insertion in model container [2019-12-01 19:36:30,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:36:30" (1/1) ... [2019-12-01 19:36:30,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 19:36:30,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 19:36:30,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 19:36:30,720 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 19:36:30,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 19:36:30,792 INFO L208 MainTranslator]: Completed translation [2019-12-01 19:36:30,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:36:30 WrapperNode [2019-12-01 19:36:30,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 19:36:30,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 19:36:30,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 19:36:30,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 19:36:30,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:36:30" (1/1) ... [2019-12-01 19:36:30,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:36:30" (1/1) ... [2019-12-01 19:36:30,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 19:36:30,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 19:36:30,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 19:36:30,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 19:36:30,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:36:30" (1/1) ... [2019-12-01 19:36:30,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:36:30" (1/1) ... [2019-12-01 19:36:30,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:36:30" (1/1) ... [2019-12-01 19:36:30,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:36:30" (1/1) ... [2019-12-01 19:36:30,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:36:30" (1/1) ... [2019-12-01 19:36:30,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:36:30" (1/1) ... [2019-12-01 19:36:30,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:36:30" (1/1) ... [2019-12-01 19:36:30,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 19:36:30,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 19:36:30,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 19:36:30,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 19:36:30,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:36:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10be88b8-7322-482a-a515-6cd0f5f73e2a/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 [2019-12-01 19:36:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 19:36:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 19:36:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 19:36:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 19:36:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 19:36:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 19:36:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 19:36:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-01 19:36:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_list [2019-12-01 19:36:30,892 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_list [2019-12-01 19:36:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 19:36:30,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 19:36:31,162 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 19:36:31,162 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-12-01 19:36:31,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:36:31 BoogieIcfgContainer [2019-12-01 19:36:31,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 19:36:31,163 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 19:36:31,163 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 19:36:31,170 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 19:36:31,170 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:36:31" (1/1) ... [2019-12-01 19:36:31,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 19:36:31,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:36:31,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2019-12-01 19:36:31,200 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2019-12-01 19:36:31,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 19:36:31,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:36:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:36:31,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:36:31,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:36:31,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2019-12-01 19:36:31,299 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2019-12-01 19:36:31,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 19:36:31,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:36:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:36:31,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:36:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:36:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2019-12-01 19:36:31,360 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-12-01 19:36:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 19:36:31,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:36:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:36:31,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:36:31,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:36:31,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2019-12-01 19:36:31,464 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-12-01 19:36:31,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 19:36:31,465 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2019-12-01 19:36:31,471 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2019-12-01 19:36:31,491 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 19:36:31,495 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 19:36:31,496 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2019-12-01 19:36:31,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:36:31 ImpRootNode [2019-12-01 19:36:31,502 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 19:36:31,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 19:36:31,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 19:36:31,503 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 19:36:31,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:36:31" (3/4) ... [2019-12-01 19:36:31,506 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 19:36:31,511 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure append_to_list [2019-12-01 19:36:31,516 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-12-01 19:36:31,516 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-01 19:36:31,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 19:36:31,555 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_10be88b8-7322-482a-a515-6cd0f5f73e2a/bin/ukojak/witness.graphml [2019-12-01 19:36:31,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 19:36:31,557 INFO L168 Benchmark]: Toolchain (without parser) took 1129.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 934.0 MB in the beginning and 1.0 GB in the end (delta: -66.3 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2019-12-01 19:36:31,557 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 19:36:31,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -155.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-12-01 19:36:31,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.88 ms. Allocated memory is still 1.1 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. [2019-12-01 19:36:31,558 INFO L168 Benchmark]: Boogie Preprocessor took 22.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 19:36:31,558 INFO L168 Benchmark]: RCFGBuilder took 315.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2019-12-01 19:36:31,558 INFO L168 Benchmark]: CodeCheck took 339.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2019-12-01 19:36:31,559 INFO L168 Benchmark]: Witness Printer took 52.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 19:36:31,560 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 2 procedures, 21 locations, 2 error locations. Result: SAFE, OverallTime: 0.2s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 74 SDtfs, 28 SDslu, 16 SDs, 0 SdLazy, 54 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 377 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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: 599]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 594]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((high == 0 && low == 0) && 0 == high) && 0 == low * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -155.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.88 ms. Allocated memory is still 1.1 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 22.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 315.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * CodeCheck took 339.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. * Witness Printer took 52.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...