./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark26_linear.i --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_70f8cf91-0018-45bd-9c62-6befad1123e0/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f8cf91-0018-45bd-9c62-6befad1123e0/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_70f8cf91-0018-45bd-9c62-6befad1123e0/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f8cf91-0018-45bd-9c62-6befad1123e0/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark26_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f8cf91-0018-45bd-9c62-6befad1123e0/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_70f8cf91-0018-45bd-9c62-6befad1123e0/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 8e9d1a7d7f6e24fd57d73c4a5500d4641bd0405ce39a4f7870d35144d3da8b5e --- 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 23:00:25,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:00:25,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:00:25,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:00:25,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:00:25,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:00:25,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:00:25,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:00:25,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:00:25,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:00:25,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:00:25,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:00:25,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:00:25,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:00:25,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:00:26,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:00:26,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:00:26,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:00:26,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:00:26,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:00:26,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:00:26,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:00:26,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:00:26,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:00:26,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:00:26,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:00:26,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:00:26,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:00:26,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:00:26,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:00:26,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:00:26,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:00:26,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:00:26,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:00:26,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:00:26,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:00:26,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:00:26,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:00:26,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:00:26,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:00:26,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:00:26,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f8cf91-0018-45bd-9c62-6befad1123e0/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:00:26,095 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:00:26,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:00:26,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:00:26,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:00:26,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:00:26,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:00:26,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:00:26,099 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:00:26,099 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:00:26,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:00:26,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:00:26,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:00:26,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:00:26,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:00:26,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:00:26,101 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:00:26,101 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:00:26,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:00:26,102 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:00:26,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:00:26,102 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:00:26,102 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:00:26,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:00:26,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:00:26,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:00:26,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:00:26,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:00:26,104 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:00:26,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:00:26,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:00:26,105 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_70f8cf91-0018-45bd-9c62-6befad1123e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f8cf91-0018-45bd-9c62-6befad1123e0/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e9d1a7d7f6e24fd57d73c4a5500d4641bd0405ce39a4f7870d35144d3da8b5e [2022-11-21 23:00:26,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:00:26,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:00:26,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:00:26,481 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:00:26,481 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:00:26,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f8cf91-0018-45bd-9c62-6befad1123e0/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/loop-zilu/benchmark26_linear.i [2022-11-21 23:00:29,804 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:00:29,984 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:00:29,985 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f8cf91-0018-45bd-9c62-6befad1123e0/sv-benchmarks/c/loop-zilu/benchmark26_linear.i [2022-11-21 23:00:29,991 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f8cf91-0018-45bd-9c62-6befad1123e0/bin/ukojak-jW3SillKbg/data/bdb7448f1/86bd72d929564e07970f6251bfe9ced7/FLAGc3a0f2d4c [2022-11-21 23:00:30,012 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f8cf91-0018-45bd-9c62-6befad1123e0/bin/ukojak-jW3SillKbg/data/bdb7448f1/86bd72d929564e07970f6251bfe9ced7 [2022-11-21 23:00:30,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:00:30,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:00:30,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:00:30,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:00:30,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:00:30,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:00:30" (1/1) ... [2022-11-21 23:00:30,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66aa6bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:30, skipping insertion in model container [2022-11-21 23:00:30,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:00:30" (1/1) ... [2022-11-21 23:00:30,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:00:30,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:00:30,235 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_70f8cf91-0018-45bd-9c62-6befad1123e0/sv-benchmarks/c/loop-zilu/benchmark26_linear.i[868,881] [2022-11-21 23:00:30,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:00:30,258 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:00:30,273 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_70f8cf91-0018-45bd-9c62-6befad1123e0/sv-benchmarks/c/loop-zilu/benchmark26_linear.i[868,881] [2022-11-21 23:00:30,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:00:30,290 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:00:30,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:30 WrapperNode [2022-11-21 23:00:30,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:00:30,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:00:30,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:00:30,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:00:30,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:30" (1/1) ... [2022-11-21 23:00:30,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:30" (1/1) ... [2022-11-21 23:00:30,326 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2022-11-21 23:00:30,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:00:30,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:00:30,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:00:30,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:00:30,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:30" (1/1) ... [2022-11-21 23:00:30,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:30" (1/1) ... [2022-11-21 23:00:30,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:30" (1/1) ... [2022-11-21 23:00:30,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:30" (1/1) ... [2022-11-21 23:00:30,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:30" (1/1) ... [2022-11-21 23:00:30,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:30" (1/1) ... [2022-11-21 23:00:30,352 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:30" (1/1) ... [2022-11-21 23:00:30,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:30" (1/1) ... [2022-11-21 23:00:30,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:00:30,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:00:30,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:00:30,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:00:30,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:30" (1/1) ... [2022-11-21 23:00:30,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:00:30,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f8cf91-0018-45bd-9c62-6befad1123e0/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:00:30,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f8cf91-0018-45bd-9c62-6befad1123e0/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:00:30,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f8cf91-0018-45bd-9c62-6befad1123e0/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:00:30,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:00:30,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:00:30,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:00:30,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:00:30,503 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:00:30,505 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:00:30,642 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:00:30,681 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:00:30,682 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:00:30,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:00:30 BoogieIcfgContainer [2022-11-21 23:00:30,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:00:30,685 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:00:30,685 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:00:30,695 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:00:30,696 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:00:30" (1/1) ... [2022-11-21 23:00:30,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:00:30,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:00:30,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2022-11-21 23:00:30,754 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2022-11-21 23:00:30,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:00:30,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:00:30,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:00:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:00:30,991 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 23:00:31,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:00:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-11-21 23:00:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-11-21 23:00:31,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:00:31,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:00:31,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:00:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:00:31,153 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 23:00:31,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:00:31,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-11-21 23:00:31,315 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-11-21 23:00:31,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:00:31,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:00:31,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:00:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:00:31,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:00:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:00:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2022-11-21 23:00:31,561 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2022-11-21 23:00:31,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:00:31,562 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-11-21 23:00:31,570 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-21 23:00:31,603 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-11-21 23:00:31,613 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:00:31,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:00:31 ImpRootNode [2022-11-21 23:00:31,614 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:00:31,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:00:31,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:00:31,615 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:00:31,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:00:30" (3/4) ... [2022-11-21 23:00:31,618 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:00:31,637 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-21 23:00:31,637 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 23:00:31,638 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:00:31,638 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:00:31,690 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f8cf91-0018-45bd-9c62-6befad1123e0/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:00:31,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:00:31,691 INFO L158 Benchmark]: Toolchain (without parser) took 1674.31ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 74.9MB in the beginning and 94.8MB in the end (delta: -19.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-11-21 23:00:31,691 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:00:31,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.05ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 64.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:00:31,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.12ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 63.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:00:31,692 INFO L158 Benchmark]: Boogie Preprocessor took 28.37ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 62.4MB in the end (delta: 793.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:00:31,693 INFO L158 Benchmark]: RCFGBuilder took 327.45ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 51.9MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:00:31,693 INFO L158 Benchmark]: CodeCheck took 928.40ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 51.9MB in the beginning and 96.9MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:00:31,694 INFO L158 Benchmark]: Witness Printer took 75.46ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 94.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:00:31,696 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, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 0 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: 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: 23]: Loop Invariant Derived loop invariant: 0 <= x + 2147483648 && y <= 2147483647 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.05ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 64.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.12ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 63.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.37ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 62.4MB in the end (delta: 793.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 327.45ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 51.9MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 928.40ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 51.9MB in the beginning and 96.9MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.46ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 94.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:00:31,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f8cf91-0018-45bd-9c62-6befad1123e0/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