./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg --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 905898d576dbb9521171e998174a24819933fa88ed72107c9a2c3094e7696cea --- 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-b5237d8 [2022-11-21 22:14:34,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:14:34,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:14:34,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:14:34,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:14:34,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:14:34,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:14:34,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:14:34,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:14:34,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:14:34,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:14:34,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:14:34,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:14:34,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:14:34,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:14:34,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:14:34,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:14:34,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:14:34,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:14:34,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:14:34,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:14:34,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:14:34,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:14:34,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:14:34,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:14:34,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:14:34,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:14:34,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:14:34,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:14:34,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:14:34,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:14:34,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:14:34,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:14:34,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:14:34,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:14:34,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:14:34,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:14:34,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:14:34,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:14:34,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:14:34,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:14:34,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:14:34,907 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:14:34,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:14:34,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:14:34,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:14:34,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:14:34,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:14:34,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:14:34,911 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:14:34,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:14:34,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:14:34,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:14:34,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:14:34,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:14:34,914 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:14:34,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:14:34,914 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:14:34,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:14:34,915 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:14:34,916 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:14:34,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:14:34,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:14:34,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:14:34,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:14:34,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:14:34,918 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:14:34,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:14:34,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:14:34,919 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_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 905898d576dbb9521171e998174a24819933fa88ed72107c9a2c3094e7696cea [2022-11-21 22:14:35,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:14:35,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:14:35,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:14:35,309 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:14:35,310 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:14:35,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c [2022-11-21 22:14:39,067 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:14:39,342 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:14:39,342 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c [2022-11-21 22:14:39,349 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/data/0c9e176c6/797e7571b94840969a82e43d78254ebc/FLAGe2fb15dac [2022-11-21 22:14:39,371 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/data/0c9e176c6/797e7571b94840969a82e43d78254ebc [2022-11-21 22:14:39,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:14:39,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:14:39,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:14:39,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:14:39,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:14:39,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:14:39" (1/1) ... [2022-11-21 22:14:39,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d5f3cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:39, skipping insertion in model container [2022-11-21 22:14:39,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:14:39" (1/1) ... [2022-11-21 22:14:39,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:14:39,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:14:39,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:14:39,673 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:14:39,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:14:39,708 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:14:39,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:39 WrapperNode [2022-11-21 22:14:39,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:14:39,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:14:39,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:14:39,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:14:39,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:39" (1/1) ... [2022-11-21 22:14:39,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:39" (1/1) ... [2022-11-21 22:14:39,752 INFO L138 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-11-21 22:14:39,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:14:39,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:14:39,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:14:39,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:14:39,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:39" (1/1) ... [2022-11-21 22:14:39,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:39" (1/1) ... [2022-11-21 22:14:39,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:39" (1/1) ... [2022-11-21 22:14:39,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:39" (1/1) ... [2022-11-21 22:14:39,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:39" (1/1) ... [2022-11-21 22:14:39,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:39" (1/1) ... [2022-11-21 22:14:39,782 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:39" (1/1) ... [2022-11-21 22:14:39,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:39" (1/1) ... [2022-11-21 22:14:39,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:14:39,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:14:39,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:14:39,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:14:39,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:39" (1/1) ... [2022-11-21 22:14:39,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:14:39,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:14:39,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:14:39,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:14:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:14:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2022-11-21 22:14:39,892 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2022-11-21 22:14:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 22:14:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:14:39,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:14:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:14:39,990 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:14:39,993 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:14:40,213 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:14:40,259 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:14:40,259 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:14:40,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:40 BoogieIcfgContainer [2022-11-21 22:14:40,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:14:40,264 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:14:40,264 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:14:40,277 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:14:40,278 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:40" (1/1) ... [2022-11-21 22:14:40,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:14:40,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:14:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-11-21 22:14:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-11-21 22:14:40,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:14:40,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:14:40,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:14:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:14:40,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:14:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:14:40,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-11-21 22:14:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-11-21 22:14:40,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:14:40,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:14:40,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:14:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:14:41,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:14:41,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:14:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-11-21 22:14:41,097 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-11-21 22:14:41,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:14:41,098 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2022-11-21 22:14:41,109 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-21 22:14:41,136 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:14:41,142 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:14:41,143 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:14:41,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:14:41 ImpRootNode [2022-11-21 22:14:41,144 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:14:41,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:14:41,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:14:41,145 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:14:41,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:40" (3/4) ... [2022-11-21 22:14:41,150 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:14:41,158 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure build_nondet_String [2022-11-21 22:14:41,163 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-21 22:14:41,163 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 22:14:41,164 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 22:14:41,164 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:14:41,220 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:14:41,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:14:41,221 INFO L158 Benchmark]: Toolchain (without parser) took 1842.69ms. Allocated memory is still 184.5MB. Free memory was 150.9MB in the beginning and 99.4MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-21 22:14:41,221 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:14:41,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.47ms. Allocated memory is still 184.5MB. Free memory was 150.6MB in the beginning and 140.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 22:14:41,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.07ms. Allocated memory is still 184.5MB. Free memory was 140.5MB in the beginning and 139.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:14:41,224 INFO L158 Benchmark]: Boogie Preprocessor took 31.98ms. Allocated memory is still 184.5MB. Free memory was 139.3MB in the beginning and 138.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:14:41,224 INFO L158 Benchmark]: RCFGBuilder took 475.87ms. Allocated memory is still 184.5MB. Free memory was 138.0MB in the beginning and 124.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:14:41,225 INFO L158 Benchmark]: CodeCheck took 880.26ms. Allocated memory is still 184.5MB. Free memory was 123.8MB in the beginning and 102.4MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 22:14:41,226 INFO L158 Benchmark]: Witness Printer took 75.33ms. Allocated memory is still 184.5MB. Free memory was 102.4MB in the beginning and 99.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:14:41,229 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 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 6 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.47ms. Allocated memory is still 184.5MB. Free memory was 150.6MB in the beginning and 140.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.07ms. Allocated memory is still 184.5MB. Free memory was 140.5MB in the beginning and 139.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.98ms. Allocated memory is still 184.5MB. Free memory was 139.3MB in the beginning and 138.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 475.87ms. Allocated memory is still 184.5MB. Free memory was 138.0MB in the beginning and 124.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 880.26ms. Allocated memory is still 184.5MB. Free memory was 123.8MB in the beginning and 102.4MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 75.33ms. Allocated memory is still 184.5MB. Free memory was 102.4MB in the beginning and 99.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:14:41,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1573c583-ab5c-45ba-84bc-1e509d2614d3/bin/ukojak-jW3SillKbg/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