./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_f7284f43-c8af-4a4a-95bb-17e84fe02f94/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/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_f7284f43-c8af-4a4a-95bb-17e84fe02f94/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/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 32bit --witnessprinter.graph.data.programhash 72afb7e2fef67e92af6cd96223794441a1933610ae2e28bcd8b3509d9f7d2eed --- 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 23:45:01,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:45:01,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:45:01,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:45:01,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:45:01,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:45:01,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:45:01,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:45:01,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:45:01,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:45:01,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:45:01,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:45:01,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:45:01,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:45:01,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:45:01,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:45:01,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:45:01,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:45:01,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:45:01,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:45:01,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:45:01,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:45:01,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:45:01,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:45:01,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:45:01,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:45:01,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:45:01,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:45:01,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:45:01,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:45:01,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:45:01,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:45:01,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:45:01,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:45:01,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:45:01,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:45:01,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:45:01,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:45:01,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:45:01,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:45:01,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:45:01,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:45:01,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:45:01,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:45:01,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:45:01,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:45:01,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:45:01,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:45:01,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:45:01,967 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:45:01,968 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:45:01,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:45:01,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:45:01,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:45:01,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:45:01,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:45:01,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:45:01,970 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:45:01,970 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:45:01,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:45:01,971 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:45:01,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:45:01,971 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:45:01,972 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:45:01,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:45:01,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:45:01,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:45:01,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:45:01,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:45:01,973 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:45:01,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:45:01,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:45:01,974 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_f7284f43-c8af-4a4a-95bb-17e84fe02f94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72afb7e2fef67e92af6cd96223794441a1933610ae2e28bcd8b3509d9f7d2eed [2022-11-21 23:45:02,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:45:02,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:45:02,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:45:02,294 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:45:02,294 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:45:02,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/ldv-regression/test10.c [2022-11-21 23:45:05,424 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:45:05,673 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:45:05,673 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/sv-benchmarks/c/ldv-regression/test10.c [2022-11-21 23:45:05,680 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/bin/ukojak-jW3SillKbg/data/7f664aa64/e0e2d5f7dc0e48878c3fa9964362e995/FLAGe0fac34eb [2022-11-21 23:45:05,701 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/bin/ukojak-jW3SillKbg/data/7f664aa64/e0e2d5f7dc0e48878c3fa9964362e995 [2022-11-21 23:45:05,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:45:05,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:45:05,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:45:05,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:45:05,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:45:05,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:45:05" (1/1) ... [2022-11-21 23:45:05,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79706a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:05, skipping insertion in model container [2022-11-21 23:45:05,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:45:05" (1/1) ... [2022-11-21 23:45:05,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:45:05,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:45:05,894 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_f7284f43-c8af-4a4a-95bb-17e84fe02f94/sv-benchmarks/c/ldv-regression/test10.c[715,728] [2022-11-21 23:45:05,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:45:05,907 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:45:05,924 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_f7284f43-c8af-4a4a-95bb-17e84fe02f94/sv-benchmarks/c/ldv-regression/test10.c[715,728] [2022-11-21 23:45:05,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:45:05,946 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:45:05,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:05 WrapperNode [2022-11-21 23:45:05,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:45:05,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:45:05,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:45:05,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:45:05,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:05" (1/1) ... [2022-11-21 23:45:05,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:05" (1/1) ... [2022-11-21 23:45:05,984 INFO L138 Inliner]: procedures = 16, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-11-21 23:45:05,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:45:05,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:45:05,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:45:05,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:45:05,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:05" (1/1) ... [2022-11-21 23:45:05,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:05" (1/1) ... [2022-11-21 23:45:05,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:05" (1/1) ... [2022-11-21 23:45:05,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:05" (1/1) ... [2022-11-21 23:45:06,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:05" (1/1) ... [2022-11-21 23:45:06,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:05" (1/1) ... [2022-11-21 23:45:06,003 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:05" (1/1) ... [2022-11-21 23:45:06,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:05" (1/1) ... [2022-11-21 23:45:06,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:45:06,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:45:06,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:45:06,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:45:06,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:05" (1/1) ... [2022-11-21 23:45:06,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:45:06,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:45:06,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:45:06,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:45:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 23:45:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 23:45:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:45:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:45:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 23:45:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:45:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:45:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:45:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:45:06,172 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:45:06,176 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:45:06,436 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:45:06,691 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:45:06,692 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:45:06,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:45:06 BoogieIcfgContainer [2022-11-21 23:45:06,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:45:06,701 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:45:06,701 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:45:06,713 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:45:06,713 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:45:06" (1/1) ... [2022-11-21 23:45:06,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:45:06,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:45:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2022-11-21 23:45:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2022-11-21 23:45:06,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-21 23:45:06,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:45:06,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:45:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:45:07,298 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 23:45:07,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:45:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 5 states and 4 transitions. [2022-11-21 23:45:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2022-11-21 23:45:07,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 23:45:07,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:45:07,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:45:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:45:07,486 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 23:45:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:45:07,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2022-11-21 23:45:07,578 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2022-11-21 23:45:07,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:45:07,578 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2022-11-21 23:45:07,592 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-21 23:45:07,607 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 23:45:07,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:45:07 ImpRootNode [2022-11-21 23:45:07,618 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:45:07,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:45:07,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:45:07,619 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:45:07,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:45:06" (3/4) ... [2022-11-21 23:45:07,623 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:45:07,634 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-21 23:45:07,634 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 23:45:07,635 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:45:07,635 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:45:07,701 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:45:07,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:45:07,702 INFO L158 Benchmark]: Toolchain (without parser) took 1992.71ms. Allocated memory is still 165.7MB. Free memory was 135.0MB in the beginning and 94.9MB in the end (delta: 40.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2022-11-21 23:45:07,702 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:45:07,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.88ms. Allocated memory is still 165.7MB. Free memory was 135.0MB in the beginning and 124.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:45:07,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.85ms. Allocated memory is still 165.7MB. Free memory was 124.8MB in the beginning and 123.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:45:07,719 INFO L158 Benchmark]: Boogie Preprocessor took 21.73ms. Allocated memory is still 165.7MB. Free memory was 123.3MB in the beginning and 121.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:45:07,719 INFO L158 Benchmark]: RCFGBuilder took 692.56ms. Allocated memory is still 165.7MB. Free memory was 121.8MB in the beginning and 95.1MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-21 23:45:07,720 INFO L158 Benchmark]: CodeCheck took 916.43ms. Allocated memory is still 165.7MB. Free memory was 95.1MB in the beginning and 97.5MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:45:07,720 INFO L158 Benchmark]: Witness Printer took 82.71ms. Allocated memory is still 165.7MB. Free memory was 97.5MB in the beginning and 94.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:45:07,722 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, 6 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, 2 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: 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: 31]: Loop Invariant Derived loop invariant: 5 <= aux-a---aux * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.88ms. Allocated memory is still 165.7MB. Free memory was 135.0MB in the beginning and 124.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.85ms. Allocated memory is still 165.7MB. Free memory was 124.8MB in the beginning and 123.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.73ms. Allocated memory is still 165.7MB. Free memory was 123.3MB in the beginning and 121.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 692.56ms. Allocated memory is still 165.7MB. Free memory was 121.8MB in the beginning and 95.1MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 916.43ms. Allocated memory is still 165.7MB. Free memory was 95.1MB in the beginning and 97.5MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.71ms. Allocated memory is still 165.7MB. Free memory was 97.5MB in the beginning and 94.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:45:07,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7284f43-c8af-4a4a-95bb-17e84fe02f94/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