./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 --- 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-38b53e6 [2022-11-25 23:58:15,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:58:15,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:58:15,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:58:15,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:58:15,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:58:15,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:58:15,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:58:15,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:58:15,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:58:15,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:58:15,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:58:15,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:58:15,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:58:15,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:58:15,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:58:15,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:58:15,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:58:15,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:58:15,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:58:15,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:58:15,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:58:15,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:58:15,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:58:15,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:58:15,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:58:15,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:58:15,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:58:15,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:58:15,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:58:15,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:58:15,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:58:15,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:58:15,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:58:15,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:58:15,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:58:15,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:58:15,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:58:15,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:58:15,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:58:15,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:58:15,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:58:16,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:58:16,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:58:16,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:58:16,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:58:16,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:58:16,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:58:16,011 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:58:16,011 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:58:16,012 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:58:16,012 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:58:16,012 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:58:16,012 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:58:16,012 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:58:16,012 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:58:16,013 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:58:16,013 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:58:16,013 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:58:16,013 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:58:16,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:58:16,014 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:58:16,014 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:58:16,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:58:16,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:58:16,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:58:16,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:58:16,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:58:16,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:58:16,024 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:58:16,024 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:58:16,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:58:16,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:58:16,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:58:16,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:58:16,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:58:16,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:58:16,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:58:16,028 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:58:16,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:58:16,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:58:16,029 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:58:16,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:58:16,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:58:16,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:58:16,030 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_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 [2022-11-25 23:58:16,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:58:16,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:58:16,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:58:16,338 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:58:16,339 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:58:16,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2022-11-25 23:58:19,510 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:58:19,766 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:58:19,766 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2022-11-25 23:58:19,780 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/data/f1c87949a/4586047fd18143a58add24e6db370d72/FLAG720e7fb9b [2022-11-25 23:58:19,797 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/data/f1c87949a/4586047fd18143a58add24e6db370d72 [2022-11-25 23:58:19,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:58:19,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:58:19,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:58:19,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:58:19,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:58:19,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:58:19" (1/1) ... [2022-11-25 23:58:19,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485bca6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:19, skipping insertion in model container [2022-11-25 23:58:19,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:58:19" (1/1) ... [2022-11-25 23:58:19,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:58:19,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:58:20,261 WARN L623 FunctionHandler]: Unknown extern function fopen [2022-11-25 23:58:20,271 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_9debf672-ca73-4b62-8a56-83d62f4c4d3e/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2022-11-25 23:58:20,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:58:20,289 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:58:20,385 WARN L623 FunctionHandler]: Unknown extern function fopen [2022-11-25 23:58:20,394 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_9debf672-ca73-4b62-8a56-83d62f4c4d3e/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2022-11-25 23:58:20,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:58:20,411 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:58:20,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:20 WrapperNode [2022-11-25 23:58:20,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:58:20,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:58:20,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:58:20,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:58:20,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:20" (1/1) ... [2022-11-25 23:58:20,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:20" (1/1) ... [2022-11-25 23:58:20,469 INFO L138 Inliner]: procedures = 29, calls = 156, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 452 [2022-11-25 23:58:20,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:58:20,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:58:20,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:58:20,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:58:20,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:20" (1/1) ... [2022-11-25 23:58:20,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:20" (1/1) ... [2022-11-25 23:58:20,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:20" (1/1) ... [2022-11-25 23:58:20,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:20" (1/1) ... [2022-11-25 23:58:20,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:20" (1/1) ... [2022-11-25 23:58:20,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:20" (1/1) ... [2022-11-25 23:58:20,509 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:20" (1/1) ... [2022-11-25 23:58:20,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:20" (1/1) ... [2022-11-25 23:58:20,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:58:20,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:58:20,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:58:20,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:58:20,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:20" (1/1) ... [2022-11-25 23:58:20,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:58:20,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:58:20,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:58:20,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:58:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2022-11-25 23:58:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2022-11-25 23:58:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:58:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:58:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:58:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:58:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:58:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:58:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:58:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-11-25 23:58:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:58:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:58:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:58:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:58:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-11-25 23:58:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-11-25 23:58:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:58:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2022-11-25 23:58:20,610 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2022-11-25 23:58:20,807 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:58:20,809 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:58:21,471 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:58:21,742 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:58:21,742 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-25 23:58:21,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:58:21 BoogieIcfgContainer [2022-11-25 23:58:21,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:58:21,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:58:21,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:58:21,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:58:21,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:58:19" (1/3) ... [2022-11-25 23:58:21,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc7c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:58:21, skipping insertion in model container [2022-11-25 23:58:21,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:20" (2/3) ... [2022-11-25 23:58:21,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc7c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:58:21, skipping insertion in model container [2022-11-25 23:58:21,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:58:21" (3/3) ... [2022-11-25 23:58:21,780 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2022-11-25 23:58:21,800 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:58:21,801 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 23:58:21,864 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:58:21,874 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3420969a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:58:21,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 23:58:21,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 49 states have (on average 1.6122448979591837) internal successors, (79), 53 states have internal predecessors, (79), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:58:21,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:58:21,888 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:58:21,889 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:58:21,890 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 23:58:21,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:58:21,900 INFO L85 PathProgramCache]: Analyzing trace with hash 12215558, now seen corresponding path program 1 times [2022-11-25 23:58:21,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:58:21,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413140841] [2022-11-25 23:58:21,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:58:21,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:58:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:58:22,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:58:22,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:58:22,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413140841] [2022-11-25 23:58:22,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413140841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:58:22,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:58:22,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:58:22,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272390932] [2022-11-25 23:58:22,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:58:22,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:58:22,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:58:22,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:58:22,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:58:22,326 INFO L87 Difference]: Start difference. First operand has 65 states, 49 states have (on average 1.6122448979591837) internal successors, (79), 53 states have internal predecessors, (79), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:58:22,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:58:22,426 INFO L93 Difference]: Finished difference Result 120 states and 183 transitions. [2022-11-25 23:58:22,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:58:22,433 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-25 23:58:22,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:58:22,439 INFO L225 Difference]: With dead ends: 120 [2022-11-25 23:58:22,439 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:58:22,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:58:22,450 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:58:22,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:58:22,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:58:22,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:58:22,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:58:22,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:58:22,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-11-25 23:58:22,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:58:22,479 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:58:22,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:58:22,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:58:22,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:58:22,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 23:58:22,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 23:58:22,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 23:58:22,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 23:58:22,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:58:22,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:58:22,538 INFO L899 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2022-11-25 23:58:22,538 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2022-11-25 23:58:22,539 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_113FINAL(lines 305 324) no Hoare annotation was computed. [2022-11-25 23:58:22,539 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 294) no Hoare annotation was computed. [2022-11-25 23:58:22,539 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_113EXIT(lines 305 324) no Hoare annotation was computed. [2022-11-25 23:58:22,539 INFO L902 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: true [2022-11-25 23:58:22,540 INFO L899 garLoopResultBuilder]: For program point L315-1(line 315) no Hoare annotation was computed. [2022-11-25 23:58:22,540 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 320) no Hoare annotation was computed. [2022-11-25 23:58:22,542 INFO L899 garLoopResultBuilder]: For program point L280(lines 280 294) no Hoare annotation was computed. [2022-11-25 23:58:22,542 INFO L899 garLoopResultBuilder]: For program point L313-2(lines 313 320) no Hoare annotation was computed. [2022-11-25 23:58:22,543 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 312) no Hoare annotation was computed. [2022-11-25 23:58:22,544 INFO L902 garLoopResultBuilder]: At program point L303(lines 274 304) the Hoare annotation is: true [2022-11-25 23:58:22,545 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-11-25 23:58:22,547 INFO L902 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-11-25 23:58:22,548 INFO L902 garLoopResultBuilder]: At program point L295-1(lines 275 304) the Hoare annotation is: true [2022-11-25 23:58:22,549 INFO L902 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: true [2022-11-25 23:58:22,549 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 403) no Hoare annotation was computed. [2022-11-25 23:58:22,549 INFO L899 garLoopResultBuilder]: For program point L333-1(lines 333 340) no Hoare annotation was computed. [2022-11-25 23:58:22,554 INFO L902 garLoopResultBuilder]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2022-11-25 23:58:22,555 INFO L899 garLoopResultBuilder]: For program point L333-4(lines 333 340) no Hoare annotation was computed. [2022-11-25 23:58:22,555 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 379) no Hoare annotation was computed. [2022-11-25 23:58:22,556 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:58:22,560 INFO L902 garLoopResultBuilder]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2022-11-25 23:58:22,560 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 379) no Hoare annotation was computed. [2022-11-25 23:58:22,560 INFO L902 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: true [2022-11-25 23:58:22,561 INFO L902 garLoopResultBuilder]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2022-11-25 23:58:22,561 INFO L902 garLoopResultBuilder]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2022-11-25 23:58:22,561 INFO L899 garLoopResultBuilder]: For program point L377-4(lines 357 424) no Hoare annotation was computed. [2022-11-25 23:58:22,561 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 339) no Hoare annotation was computed. [2022-11-25 23:58:22,562 INFO L902 garLoopResultBuilder]: At program point L452(lines 452 484) the Hoare annotation is: true [2022-11-25 23:58:22,563 INFO L902 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: true [2022-11-25 23:58:22,563 INFO L899 garLoopResultBuilder]: For program point L386-1(lines 386 389) no Hoare annotation was computed. [2022-11-25 23:58:22,563 INFO L899 garLoopResultBuilder]: For program point L403(line 403) no Hoare annotation was computed. [2022-11-25 23:58:22,564 INFO L899 garLoopResultBuilder]: For program point L403-1(line 403) no Hoare annotation was computed. [2022-11-25 23:58:22,565 INFO L902 garLoopResultBuilder]: At program point L403-2(line 403) the Hoare annotation is: true [2022-11-25 23:58:22,565 INFO L899 garLoopResultBuilder]: For program point L403-3(lines 403 406) no Hoare annotation was computed. [2022-11-25 23:58:22,566 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 332) no Hoare annotation was computed. [2022-11-25 23:58:22,566 INFO L902 garLoopResultBuilder]: At program point L354(lines 325 355) the Hoare annotation is: true [2022-11-25 23:58:22,566 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 481) no Hoare annotation was computed. [2022-11-25 23:58:22,567 INFO L899 garLoopResultBuilder]: For program point L379(line 379) no Hoare annotation was computed. [2022-11-25 23:58:22,567 INFO L899 garLoopResultBuilder]: For program point L379-1(line 379) no Hoare annotation was computed. [2022-11-25 23:58:22,567 INFO L902 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: true [2022-11-25 23:58:22,567 INFO L899 garLoopResultBuilder]: For program point L396-1(lines 396 399) no Hoare annotation was computed. [2022-11-25 23:58:22,567 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:58:22,568 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 403) no Hoare annotation was computed. [2022-11-25 23:58:22,569 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 417) no Hoare annotation was computed. [2022-11-25 23:58:22,570 INFO L899 garLoopResultBuilder]: For program point L381(lines 381 422) no Hoare annotation was computed. [2022-11-25 23:58:22,570 INFO L902 garLoopResultBuilder]: At program point L431-3(lines 431 441) the Hoare annotation is: true [2022-11-25 23:58:22,571 INFO L902 garLoopResultBuilder]: At program point L431-4(lines 431 441) the Hoare annotation is: true [2022-11-25 23:58:22,571 INFO L902 garLoopResultBuilder]: At program point L423(lines 356 424) the Hoare annotation is: true [2022-11-25 23:58:22,571 INFO L902 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: true [2022-11-25 23:58:22,571 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 390 393) no Hoare annotation was computed. [2022-11-25 23:58:22,572 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2022-11-25 23:58:22,572 INFO L902 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-11-25 23:58:22,573 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_107ENTRY(lines 218 273) the Hoare annotation is: true [2022-11-25 23:58:22,573 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 257) no Hoare annotation was computed. [2022-11-25 23:58:22,573 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_107FINAL(lines 218 273) no Hoare annotation was computed. [2022-11-25 23:58:22,574 INFO L899 garLoopResultBuilder]: For program point L251-1(lines 251 258) no Hoare annotation was computed. [2022-11-25 23:58:22,574 INFO L902 garLoopResultBuilder]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2022-11-25 23:58:22,574 INFO L899 garLoopResultBuilder]: For program point L251-4(lines 251 258) no Hoare annotation was computed. [2022-11-25 23:58:22,574 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 233) no Hoare annotation was computed. [2022-11-25 23:58:22,575 INFO L902 garLoopResultBuilder]: At program point L227-2(lines 227 233) the Hoare annotation is: true [2022-11-25 23:58:22,575 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 226) no Hoare annotation was computed. [2022-11-25 23:58:22,576 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-11-25 23:58:22,576 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_107EXIT(lines 218 273) no Hoare annotation was computed. [2022-11-25 23:58:22,580 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 23:58:22,584 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:58:22,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:58:22 BoogieIcfgContainer [2022-11-25 23:58:22,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:58:22,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:58:22,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:58:22,599 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:58:22,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:58:21" (3/4) ... [2022-11-25 23:58:22,603 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:58:22,609 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_113 [2022-11-25 23:58:22,609 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2022-11-25 23:58:22,609 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_107 [2022-11-25 23:58:22,628 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 84 nodes and edges [2022-11-25 23:58:22,629 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-25 23:58:22,630 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-25 23:58:22,631 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 23:58:22,632 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:58:22,633 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:58:22,712 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:58:22,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:58:22,713 INFO L158 Benchmark]: Toolchain (without parser) took 2912.55ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 93.6MB in the beginning and 98.0MB in the end (delta: -4.4MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2022-11-25 23:58:22,714 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:58:22,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.72ms. Allocated memory is still 136.3MB. Free memory was 93.6MB in the beginning and 75.7MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 23:58:22,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.59ms. Allocated memory is still 136.3MB. Free memory was 75.7MB in the beginning and 72.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:58:22,715 INFO L158 Benchmark]: Boogie Preprocessor took 45.90ms. Allocated memory is still 136.3MB. Free memory was 72.4MB in the beginning and 68.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:58:22,715 INFO L158 Benchmark]: RCFGBuilder took 1229.99ms. Allocated memory is still 136.3MB. Free memory was 68.9MB in the beginning and 52.8MB in the end (delta: 16.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-11-25 23:58:22,715 INFO L158 Benchmark]: TraceAbstraction took 828.03ms. Allocated memory is still 176.2MB. Free memory was 143.1MB in the beginning and 106.4MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-25 23:58:22,716 INFO L158 Benchmark]: Witness Printer took 114.13ms. Allocated memory is still 176.2MB. Free memory was 106.4MB in the beginning and 98.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 23:58:22,718 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 609.72ms. Allocated memory is still 136.3MB. Free memory was 93.6MB in the beginning and 75.7MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.59ms. Allocated memory is still 136.3MB. Free memory was 75.7MB in the beginning and 72.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.90ms. Allocated memory is still 136.3MB. Free memory was 72.4MB in the beginning and 68.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1229.99ms. Allocated memory is still 136.3MB. Free memory was 68.9MB in the beginning and 52.8MB in the end (delta: 16.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * TraceAbstraction took 828.03ms. Allocated memory is still 176.2MB. Free memory was 143.1MB in the beginning and 106.4MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 114.13ms. Allocated memory is still 176.2MB. Free memory was 106.4MB in the beginning and 98.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 379]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 379]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 403]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 403]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 65 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 73 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 70 PreInvPairs, 83 NumberOfFragments, 25 HoareAnnotationTreeSize, 70 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 23:58:22,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9debf672-ca73-4b62-8a56-83d62f4c4d3e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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