./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/n.c40.c --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_598fe910-7f01-4eae-a571-9a2a76935f21/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_598fe910-7f01-4eae-a571-9a2a76935f21/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_598fe910-7f01-4eae-a571-9a2a76935f21/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_598fe910-7f01-4eae-a571-9a2a76935f21/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/n.c40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_598fe910-7f01-4eae-a571-9a2a76935f21/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_598fe910-7f01-4eae-a571-9a2a76935f21/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 e954357898f010ea28e7deb5d5a1ae907cf090e4 .......................................................................................................................................................................................................................................... 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 14:33:42,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 14:33:42,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 14:33:42,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 14:33:42,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 14:33:42,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 14:33:42,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 14:33:42,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 14:33:42,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 14:33:42,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 14:33:42,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 14:33:42,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 14:33:42,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 14:33:42,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 14:33:42,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 14:33:42,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 14:33:42,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 14:33:42,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 14:33:42,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 14:33:42,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 14:33:42,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 14:33:42,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 14:33:42,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 14:33:42,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 14:33:42,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 14:33:42,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 14:33:42,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 14:33:42,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 14:33:42,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 14:33:42,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 14:33:42,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 14:33:42,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 14:33:42,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 14:33:42,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 14:33:42,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 14:33:42,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 14:33:42,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 14:33:42,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 14:33:42,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 14:33:42,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 14:33:42,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 14:33:42,905 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_598fe910-7f01-4eae-a571-9a2a76935f21/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 14:33:42,914 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 14:33:42,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 14:33:42,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 14:33:42,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 14:33:42,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 14:33:42,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 14:33:42,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 14:33:42,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 14:33:42,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 14:33:42,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 14:33:42,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 14:33:42,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 14:33:42,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 14:33:42,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 14:33:42,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 14:33:42,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 14:33:42,917 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 14:33:42,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 14:33:42,917 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 14:33:42,917 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 14:33:42,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 14:33:42,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 14:33:42,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 14:33:42,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 14:33:42,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 14:33:42,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 14:33:42,918 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 14:33:42,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 14:33:42,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 14:33:42,919 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_598fe910-7f01-4eae-a571-9a2a76935f21/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 -> e954357898f010ea28e7deb5d5a1ae907cf090e4 [2019-12-01 14:33:43,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 14:33:43,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 14:33:43,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 14:33:43,032 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 14:33:43,032 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 14:33:43,033 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_598fe910-7f01-4eae-a571-9a2a76935f21/bin/ukojak/../../sv-benchmarks/c/loops/n.c40.c [2019-12-01 14:33:43,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_598fe910-7f01-4eae-a571-9a2a76935f21/bin/ukojak/data/f9179868d/1db12a1bf8194e11b100973aea2aa63b/FLAG61a9eaa80 [2019-12-01 14:33:43,519 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 14:33:43,520 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_598fe910-7f01-4eae-a571-9a2a76935f21/sv-benchmarks/c/loops/n.c40.c [2019-12-01 14:33:43,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_598fe910-7f01-4eae-a571-9a2a76935f21/bin/ukojak/data/f9179868d/1db12a1bf8194e11b100973aea2aa63b/FLAG61a9eaa80 [2019-12-01 14:33:43,533 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_598fe910-7f01-4eae-a571-9a2a76935f21/bin/ukojak/data/f9179868d/1db12a1bf8194e11b100973aea2aa63b [2019-12-01 14:33:43,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 14:33:43,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 14:33:43,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 14:33:43,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 14:33:43,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 14:33:43,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:33:43" (1/1) ... [2019-12-01 14:33:43,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e36ea05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:33:43, skipping insertion in model container [2019-12-01 14:33:43,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:33:43" (1/1) ... [2019-12-01 14:33:43,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 14:33:43,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 14:33:43,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 14:33:43,670 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 14:33:43,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 14:33:43,729 INFO L208 MainTranslator]: Completed translation [2019-12-01 14:33:43,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:33:43 WrapperNode [2019-12-01 14:33:43,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 14:33:43,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 14:33:43,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 14:33:43,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 14:33:43,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:33:43" (1/1) ... [2019-12-01 14:33:43,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:33:43" (1/1) ... [2019-12-01 14:33:43,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 14:33:43,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 14:33:43,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 14:33:43,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 14:33:43,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:33:43" (1/1) ... [2019-12-01 14:33:43,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:33:43" (1/1) ... [2019-12-01 14:33:43,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:33:43" (1/1) ... [2019-12-01 14:33:43,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:33:43" (1/1) ... [2019-12-01 14:33:43,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:33:43" (1/1) ... [2019-12-01 14:33:43,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:33:43" (1/1) ... [2019-12-01 14:33:43,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:33:43" (1/1) ... [2019-12-01 14:33:43,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 14:33:43,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 14:33:43,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 14:33:43,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 14:33:43,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:33:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_598fe910-7f01-4eae-a571-9a2a76935f21/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 14:33:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 14:33:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 14:33:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 14:33:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 14:33:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 14:33:43,943 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 14:33:43,943 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-01 14:33:43,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:33:43 BoogieIcfgContainer [2019-12-01 14:33:43,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 14:33:43,944 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 14:33:43,944 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 14:33:43,951 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 14:33:43,951 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:33:43" (1/1) ... [2019-12-01 14:33:43,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 14:33:43,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:33:43,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2019-12-01 14:33:43,979 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2019-12-01 14:33:43,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 14:33:43,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:33:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:33:44,064 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 14:33:44,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:33:44,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2019-12-01 14:33:44,069 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-12-01 14:33:44,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 14:33:44,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:33:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:33:44,107 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 14:33:44,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:33:44,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2019-12-01 14:33:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-12-01 14:33:44,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 14:33:44,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:33:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:33:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:33:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:33:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2019-12-01 14:33:44,371 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2019-12-01 14:33:44,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 14:33:44,372 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2019-12-01 14:33:44,379 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 14:33:44,396 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 14:33:44,399 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2019-12-01 14:33:44,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 14:33:44,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 14:33:44,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:33:44 ImpRootNode [2019-12-01 14:33:44,408 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 14:33:44,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 14:33:44,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 14:33:44,409 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 14:33:44,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:33:43" (3/4) ... [2019-12-01 14:33:44,412 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 14:33:44,419 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 14:33:44,419 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-01 14:33:44,419 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 14:33:44,455 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_598fe910-7f01-4eae-a571-9a2a76935f21/bin/ukojak/witness.graphml [2019-12-01 14:33:44,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 14:33:44,457 INFO L168 Benchmark]: Toolchain (without parser) took 919.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 943.5 MB in the beginning and 1.0 GB in the end (delta: -79.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-12-01 14:33:44,457 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 14:33:44,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-01 14:33:44,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.00 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 14:33:44,458 INFO L168 Benchmark]: Boogie Preprocessor took 14.37 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 14:33:44,459 INFO L168 Benchmark]: RCFGBuilder took 176.35 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-01 14:33:44,459 INFO L168 Benchmark]: CodeCheck took 463.65 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: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. [2019-12-01 14:33:44,459 INFO L168 Benchmark]: Witness Printer took 46.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 14:33:44,462 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, 10 locations, 1 error locations. Result: SAFE, OverallTime: 0.4s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 48 SDtfs, 26 SDslu, 8 SDs, 0 SdLazy, 88 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 405 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 20]: 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: 12]: Loop Invariant [2019-12-01 14:33:44,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 14:33:44,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (0 == i && !(x == y)) && 0 == unknown-#memory_int-unknown[x][i + x] * 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 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.00 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. * Boogie Preprocessor took 14.37 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 176.35 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * CodeCheck took 463.65 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: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. * Witness Printer took 46.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...