./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/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_71bc8b5f-87f8-4f7e-8d59-269088aff171/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/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 32bit --witnessprinter.graph.data.programhash b3d7899c651fa61cfb9cf623e0f4ceb470fe32eb0d0272d2277c965ed07c2f88 --- 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 [2022-12-15 02:39:03,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:39:03,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:39:03,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:39:03,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:39:03,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:39:03,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:39:03,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:39:03,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:39:03,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:39:03,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:39:03,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:39:03,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:39:03,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:39:03,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:39:03,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:39:03,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:39:03,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:39:03,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:39:03,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:39:03,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:39:03,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:39:03,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:39:03,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:39:03,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:39:03,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:39:03,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:39:03,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:39:03,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:39:03,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:39:03,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:39:03,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:39:03,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:39:03,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:39:03,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:39:03,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:39:03,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:39:03,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:39:03,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:39:03,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:39:03,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:39:03,586 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 02:39:03,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:39:03,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:39:03,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:39:03,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:39:03,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:39:03,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:39:03,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:39:03,602 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:39:03,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:39:03,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:39:03,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:39:03,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:39:03,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:39:03,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:39:03,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:39:03,603 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:39:03,603 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:39:03,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:39:03,603 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:39:03,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:39:03,604 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:39:03,604 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:39:03,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:39:03,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:39:03,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:39:03,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:39:03,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:39:03,605 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:39:03,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:39:03,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:39:03,605 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_71bc8b5f-87f8-4f7e-8d59-269088aff171/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3d7899c651fa61cfb9cf623e0f4ceb470fe32eb0d0272d2277c965ed07c2f88 [2022-12-15 02:39:03,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:39:03,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:39:03,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:39:03,796 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:39:03,797 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:39:03,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2022-12-15 02:39:06,452 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:39:06,641 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:39:06,642 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2022-12-15 02:39:06,653 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/bin/ukojak-rkRKPMF4O4/data/dd10af07a/49750926e0b54ff8b1dce2ec8a4c31a6/FLAGb2e54eb5e [2022-12-15 02:39:06,663 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/bin/ukojak-rkRKPMF4O4/data/dd10af07a/49750926e0b54ff8b1dce2ec8a4c31a6 [2022-12-15 02:39:06,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:39:06,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:39:06,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:39:06,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:39:06,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:39:06,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:39:06" (1/1) ... [2022-12-15 02:39:06,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73251351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:06, skipping insertion in model container [2022-12-15 02:39:06,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:39:06" (1/1) ... [2022-12-15 02:39:06,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:39:06,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:39:06,907 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i[24038,24051] [2022-12-15 02:39:06,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:39:06,914 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:39:06,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i[24038,24051] [2022-12-15 02:39:06,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:39:06,959 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:39:06,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:06 WrapperNode [2022-12-15 02:39:06,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:39:06,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:39:06,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:39:06,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:39:06,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:06" (1/1) ... [2022-12-15 02:39:06,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:06" (1/1) ... [2022-12-15 02:39:06,988 INFO L138 Inliner]: procedures = 126, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 108 [2022-12-15 02:39:06,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:39:06,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:39:06,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:39:06,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:39:06,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:06" (1/1) ... [2022-12-15 02:39:06,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:06" (1/1) ... [2022-12-15 02:39:06,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:06" (1/1) ... [2022-12-15 02:39:06,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:06" (1/1) ... [2022-12-15 02:39:07,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:06" (1/1) ... [2022-12-15 02:39:07,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:06" (1/1) ... [2022-12-15 02:39:07,006 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:06" (1/1) ... [2022-12-15 02:39:07,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:06" (1/1) ... [2022-12-15 02:39:07,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:39:07,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:39:07,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:39:07,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:39:07,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:06" (1/1) ... [2022-12-15 02:39:07,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:39:07,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:39:07,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:39:07,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:39:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:39:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 02:39:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:39:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:39:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 02:39:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 02:39:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:39:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-15 02:39:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:39:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:39:07,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:39:07,157 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:39:07,158 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:39:07,324 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:39:07,364 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:39:07,364 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 02:39:07,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:39:07 BoogieIcfgContainer [2022-12-15 02:39:07,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:39:07,367 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:39:07,367 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:39:07,374 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:39:07,375 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:39:07" (1/1) ... [2022-12-15 02:39:07,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:39:07,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-12-15 02:39:07,426 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-12-15 02:39:07,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 02:39:07,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:07,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:07,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:39:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:07,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2022-12-15 02:39:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2022-12-15 02:39:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:39:07,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:07,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:07,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:39:07,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:07,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2022-12-15 02:39:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-12-15 02:39:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 02:39:07,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:07,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:07,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:39:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:07,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2022-12-15 02:39:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-12-15 02:39:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:39:07,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:07,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:07,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:39:07,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2022-12-15 02:39:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-12-15 02:39:07,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:39:07,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:07,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:08,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:39:08,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:08,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2022-12-15 02:39:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-12-15 02:39:08,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:39:08,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:08,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:39:08,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:08,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-12-15 02:39:08,271 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-12-15 02:39:08,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 02:39:08,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:08,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:08,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:39:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:08,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-12-15 02:39:08,689 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-12-15 02:39:08,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:39:08,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:08,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:08,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:39:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:08,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-12-15 02:39:08,748 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-12-15 02:39:08,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 02:39:08,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:08,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:39:08,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:08,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2022-12-15 02:39:08,876 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-12-15 02:39:08,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 02:39:08,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:08,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:08,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:39:09,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:09,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2022-12-15 02:39:09,130 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-12-15 02:39:09,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 02:39:09,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:09,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:39:09,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:09,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2022-12-15 02:39:09,163 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-12-15 02:39:09,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 02:39:09,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:09,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:09,196 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:39:09,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:09,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2022-12-15 02:39:09,201 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-12-15 02:39:09,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 02:39:09,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:09,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:09,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:39:09,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-12-15 02:39:09,263 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-12-15 02:39:09,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 02:39:09,264 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2022-12-15 02:39:09,270 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-15 02:39:09,333 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-15 02:39:09,341 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-12-15 02:39:09,342 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:39:09,342 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-12-15 02:39:09,342 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-15 02:39:09,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:39:09 ImpRootNode [2022-12-15 02:39:09,343 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:39:09,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:39:09,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:39:09,343 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:39:09,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:39:07" (3/4) ... [2022-12-15 02:39:09,346 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 02:39:09,352 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-12-15 02:39:09,353 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-15 02:39:09,353 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 02:39:09,353 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 02:39:09,390 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:39:09,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:39:09,391 INFO L158 Benchmark]: Toolchain (without parser) took 2724.81ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 83.6MB in the beginning and 97.9MB in the end (delta: -14.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-12-15 02:39:09,392 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:39:09,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.21ms. Allocated memory is still 119.5MB. Free memory was 83.6MB in the beginning and 66.3MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 02:39:09,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.99ms. Allocated memory is still 119.5MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:39:09,393 INFO L158 Benchmark]: Boogie Preprocessor took 19.54ms. Allocated memory is still 119.5MB. Free memory was 64.2MB in the beginning and 63.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:39:09,393 INFO L158 Benchmark]: RCFGBuilder took 356.91ms. Allocated memory is still 119.5MB. Free memory was 62.6MB in the beginning and 44.9MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 02:39:09,393 INFO L158 Benchmark]: CodeCheck took 1976.24ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 44.9MB in the beginning and 101.1MB in the end (delta: -56.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:39:09,394 INFO L158 Benchmark]: Witness Printer took 47.45ms. Allocated memory is still 146.8MB. Free memory was 101.1MB in the beginning and 97.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:39:09,396 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, 23 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 439 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 277 mSDsluCounter, 255 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 297 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1001 IncrementalHoareTripleChecker+Invalid, 1298 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 297 mSolverCounterUnsat, 167 mSDtfsCounter, 1001 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1077 GetRequests, 1015 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1476 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 312 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 45/50 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: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 0 <= i && i <= 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (2 == len && len == 2) || ((1 <= len && len <= 1) && len == 2) - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (2 == len && len == 2) || (len <= 1 && len == 2) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: i <= 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.21ms. Allocated memory is still 119.5MB. Free memory was 83.6MB in the beginning and 66.3MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.99ms. Allocated memory is still 119.5MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.54ms. Allocated memory is still 119.5MB. Free memory was 64.2MB in the beginning and 63.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 356.91ms. Allocated memory is still 119.5MB. Free memory was 62.6MB in the beginning and 44.9MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1976.24ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 44.9MB in the beginning and 101.1MB in the end (delta: -56.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.45ms. Allocated memory is still 146.8MB. Free memory was 101.1MB in the beginning and 97.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 02:39:09,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bc8b5f-87f8-4f7e-8d59-269088aff171/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