./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6c280f9f662c2cce7ccc19dad49f017ee13d6783374dc482c07b9bbe0ddd8f5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:21:55,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:21:55,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:21:55,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:21:55,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:21:55,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:21:55,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:21:55,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:21:55,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:21:55,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:21:55,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:21:55,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:21:55,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:21:55,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:21:55,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:21:55,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:21:55,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:21:55,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:21:55,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:21:55,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:21:55,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:21:55,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:21:55,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:21:55,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:21:55,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:21:55,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:21:55,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:21:55,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:21:55,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:21:55,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:21:55,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:21:55,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:21:55,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:21:55,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:21:55,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:21:55,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:21:55,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:21:55,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:21:55,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:21:55,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:21:55,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:21:55,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:21:55,852 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:21:55,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:21:55,853 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:21:55,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:21:55,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:21:55,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:21:55,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:21:55,855 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:21:55,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:21:55,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:21:55,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:21:55,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:21:55,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:21:55,856 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:21:55,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:21:55,857 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:21:55,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:21:55,857 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:21:55,857 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:21:55,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:21:55,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:21:55,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:21:55,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:21:55,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:21:55,858 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:21:55,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:21:55,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:21:55,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6c280f9f662c2cce7ccc19dad49f017ee13d6783374dc482c07b9bbe0ddd8f5 [2022-12-14 18:21:56,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:21:56,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:21:56,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:21:56,080 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:21:56,081 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:21:56,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i [2022-12-14 18:21:58,687 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:21:58,696 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 18:21:58,867 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:21:58,867 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i [2022-12-14 18:21:58,875 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/data/2a9ae44a8/3595695b03c04e7fa0af43aab2a3a285/FLAG5b0c36b9f [2022-12-14 18:21:58,885 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/data/2a9ae44a8/3595695b03c04e7fa0af43aab2a3a285 [2022-12-14 18:21:58,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:21:58,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:21:58,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:21:58,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:21:58,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:21:58,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:21:58" (1/1) ... [2022-12-14 18:21:58,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd5c020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:58, skipping insertion in model container [2022-12-14 18:21:58,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:21:58" (1/1) ... [2022-12-14 18:21:58,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:21:58,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:21:59,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:21:59,091 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:21:59,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:21:59,132 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:21:59,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:59 WrapperNode [2022-12-14 18:21:59,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:21:59,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:21:59,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:21:59,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:21:59,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:59" (1/1) ... [2022-12-14 18:21:59,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:59" (1/1) ... [2022-12-14 18:21:59,160 INFO L138 Inliner]: procedures = 111, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2022-12-14 18:21:59,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:21:59,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:21:59,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:21:59,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:21:59,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:59" (1/1) ... [2022-12-14 18:21:59,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:59" (1/1) ... [2022-12-14 18:21:59,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:59" (1/1) ... [2022-12-14 18:21:59,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:59" (1/1) ... [2022-12-14 18:21:59,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:59" (1/1) ... [2022-12-14 18:21:59,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:59" (1/1) ... [2022-12-14 18:21:59,175 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:59" (1/1) ... [2022-12-14 18:21:59,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:59" (1/1) ... [2022-12-14 18:21:59,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:21:59,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:21:59,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:21:59,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:21:59,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:59" (1/1) ... [2022-12-14 18:21:59,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:21:59,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:21:59,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:21:59,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:21:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:21:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:21:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:21:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:21:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:21:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:21:59,302 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:21:59,303 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:21:59,401 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:21:59,432 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:21:59,433 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:21:59,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:21:59 BoogieIcfgContainer [2022-12-14 18:21:59,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:21:59,435 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:21:59,435 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:21:59,443 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:21:59,444 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:21:59" (1/1) ... [2022-12-14 18:21:59,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:21:59,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:59,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-12-14 18:21:59,489 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 18:21:59,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:21:59,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:59,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:00,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:22:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:00,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-12-14 18:22:00,282 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-14 18:22:00,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:22:00,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:00,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:00,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:22:01,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:01,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-12-14 18:22:01,053 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-12-14 18:22:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:22:01,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:01,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:22:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2022-12-14 18:22:01,855 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2022-12-14 18:22:01,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:22:01,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:01,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:22:03,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:03,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2022-12-14 18:22:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2022-12-14 18:22:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:22:03,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:03,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:03,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:22:04,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:04,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2022-12-14 18:22:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2022-12-14 18:22:04,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:22:04,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:04,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:04,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:22:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:06,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2022-12-14 18:22:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2022-12-14 18:22:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:22:06,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:06,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:22:06,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:06,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-14 18:22:06,664 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-14 18:22:06,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:22:06,664 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-14 18:22:06,670 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 18:22:06,752 INFO L560 CodeCheckObserver]: Invariant with dag size 30 [2022-12-14 18:22:06,762 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:22:06,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:22:06 ImpRootNode [2022-12-14 18:22:06,762 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:22:06,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:22:06,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:22:06,763 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:22:06,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:21:59" (3/4) ... [2022-12-14 18:22:06,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:22:06,772 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-14 18:22:06,772 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 18:22:06,772 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 18:22:06,772 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:22:06,800 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:22:06,800 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:22:06,801 INFO L158 Benchmark]: Toolchain (without parser) took 7912.41ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 132.3MB in the beginning and 94.4MB in the end (delta: 37.9MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2022-12-14 18:22:06,801 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:22:06,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.54ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 116.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:22:06,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.86ms. Allocated memory is still 167.8MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:22:06,803 INFO L158 Benchmark]: Boogie Preprocessor took 16.77ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 112.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:22:06,803 INFO L158 Benchmark]: RCFGBuilder took 257.13ms. Allocated memory is still 167.8MB. Free memory was 112.9MB in the beginning and 98.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:22:06,804 INFO L158 Benchmark]: CodeCheck took 7326.87ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 98.3MB in the beginning and 97.5MB in the end (delta: 759.9kB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-12-14 18:22:06,804 INFO L158 Benchmark]: Witness Printer took 37.72ms. Allocated memory is still 203.4MB. Free memory was 97.5MB in the beginning and 94.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:22:06,806 INFO L339 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 705 IncrementalHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 213 mSolverCounterUnsat, 14 mSDtfsCounter, 705 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 529 GetRequests, 399 SyntacticMatches, 6 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5903 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 540 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 4/12 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: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (((((z_ref == x_ref || !(z_ref == x_ref)) && !(y_ref == x_ref)) && !(z_ref == y_ref)) && 0 <= unknown-#memory_int-unknown[z_ref][z_ref] + 2147483648) && unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483647) && 0 <= unknown-#memory_int-unknown[y_ref][y_ref] + 2147483648 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.54ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 116.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.86ms. Allocated memory is still 167.8MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.77ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 112.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 257.13ms. Allocated memory is still 167.8MB. Free memory was 112.9MB in the beginning and 98.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 7326.87ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 98.3MB in the beginning and 97.5MB in the end (delta: 759.9kB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Witness Printer took 37.72ms. Allocated memory is still 203.4MB. Free memory was 97.5MB in the beginning and 94.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:22:06,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48dc15ac-30ab-4815-a27a-b1f86e424f3d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE