./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/afterrec_2calls-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec_2calls-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8cf5a35873afe0e5012214bd680ff6c9f10002775e1599934b6c286bf71e0e3d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:45:13,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:45:13,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:45:13,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:45:13,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:45:13,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:45:13,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:45:13,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:45:13,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:45:13,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:45:13,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:45:13,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:45:13,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:45:13,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:45:13,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:45:13,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:45:13,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:45:13,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:45:13,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:45:13,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:45:13,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:45:13,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:45:13,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:45:13,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:45:13,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:45:13,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:45:13,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:45:13,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:45:13,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:45:13,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:45:13,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:45:13,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:45:13,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:45:13,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:45:13,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:45:13,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:45:13,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:45:13,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:45:13,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:45:13,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:45:13,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:45:13,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 23:45:13,831 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:45:13,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:45:13,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:45:13,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:45:13,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:45:13,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:45:13,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:45:13,833 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:45:13,833 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:45:13,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:45:13,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:45:13,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:45:13,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:45:13,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:45:13,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:45:13,834 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:45:13,834 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:45:13,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:45:13,834 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:45:13,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:45:13,835 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:45:13,835 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:45:13,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:45:13,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:45:13,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:45:13,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:45:13,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:45:13,836 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:45:13,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:45:13,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:45:13,836 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_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cf5a35873afe0e5012214bd680ff6c9f10002775e1599934b6c286bf71e0e3d [2022-12-14 23:45:13,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:45:14,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:45:14,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:45:14,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:45:14,017 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:45:14,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/recursive-simple/afterrec_2calls-1.c [2022-12-14 23:45:16,533 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:45:16,686 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:45:16,687 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/sv-benchmarks/c/recursive-simple/afterrec_2calls-1.c [2022-12-14 23:45:16,691 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/data/28f5fe863/1e68fa293ffa4ad0bb90bb6ecf2b2296/FLAG4fd040ba9 [2022-12-14 23:45:17,104 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/data/28f5fe863/1e68fa293ffa4ad0bb90bb6ecf2b2296 [2022-12-14 23:45:17,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:45:17,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:45:17,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:45:17,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:45:17,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:45:17,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651ac8cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17, skipping insertion in model container [2022-12-14 23:45:17,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:45:17,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:45:17,219 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_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/sv-benchmarks/c/recursive-simple/afterrec_2calls-1.c[354,367] [2022-12-14 23:45:17,221 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_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/sv-benchmarks/c/recursive-simple/afterrec_2calls-1.c[442,455] [2022-12-14 23:45:17,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:45:17,229 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:45:17,238 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_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/sv-benchmarks/c/recursive-simple/afterrec_2calls-1.c[354,367] [2022-12-14 23:45:17,239 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_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/sv-benchmarks/c/recursive-simple/afterrec_2calls-1.c[442,455] [2022-12-14 23:45:17,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:45:17,248 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:45:17,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17 WrapperNode [2022-12-14 23:45:17,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:45:17,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:45:17,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:45:17,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:45:17,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,270 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2022-12-14 23:45:17,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:45:17,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:45:17,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:45:17,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:45:17,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,280 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:45:17,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:45:17,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:45:17,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:45:17,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:45:17,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:45:17,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:45:17,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:45:17,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:45:17,328 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-12-14 23:45:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-12-14 23:45:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:45:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:45:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:45:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-12-14 23:45:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-12-14 23:45:17,378 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:45:17,379 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:45:17,443 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:45:17,452 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:45:17,452 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 23:45:17,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:45:17 BoogieIcfgContainer [2022-12-14 23:45:17,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:45:17,455 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:45:17,455 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:45:17,462 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:45:17,462 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:45:17,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2022-12-14 23:45:17,509 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2022-12-14 23:45:17,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 23:45:17,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:45:17,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:45:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:45:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:45:17,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:17,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2022-12-14 23:45:17,645 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-12-14 23:45:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:45:17,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:45:17,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:45:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:45:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:45:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:17,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2022-12-14 23:45:17,801 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-12-14 23:45:17,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:45:17,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:45:17,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:45:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:45:17,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:45:17,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:17,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2022-12-14 23:45:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-12-14 23:45:17,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:45:17,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:45:17,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:45:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:45:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:45:18,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:18,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2022-12-14 23:45:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-12-14 23:45:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:45:18,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:45:18,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:45:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:45:18,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:45:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:18,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 22 transitions. [2022-12-14 23:45:18,274 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-12-14 23:45:18,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:45:18,275 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-12-14 23:45:18,280 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 23:45:18,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:45:18 ImpRootNode [2022-12-14 23:45:18,299 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:45:18,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:45:18,300 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:45:18,300 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:45:18,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:45:17" (3/4) ... [2022-12-14 23:45:18,302 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:45:18,307 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2022-12-14 23:45:18,307 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2022-12-14 23:45:18,310 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-14 23:45:18,310 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 23:45:18,310 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 23:45:18,310 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:45:18,339 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:45:18,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:45:18,340 INFO L158 Benchmark]: Toolchain (without parser) took 1232.27ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 95.1MB in the beginning and 115.0MB in the end (delta: -19.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2022-12-14 23:45:18,340 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:45:18,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 140.73ms. Allocated memory is still 130.0MB. Free memory was 95.1MB in the beginning and 85.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 23:45:18,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.57ms. Allocated memory is still 130.0MB. Free memory was 85.5MB in the beginning and 83.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:45:18,342 INFO L158 Benchmark]: Boogie Preprocessor took 11.17ms. Allocated memory is still 130.0MB. Free memory was 83.8MB in the beginning and 83.0MB in the end (delta: 876.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:45:18,342 INFO L158 Benchmark]: RCFGBuilder took 172.48ms. Allocated memory is still 130.0MB. Free memory was 83.0MB in the beginning and 73.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 23:45:18,343 INFO L158 Benchmark]: CodeCheck took 843.79ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 73.3MB in the beginning and 116.9MB in the end (delta: -43.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-12-14 23:45:18,343 INFO L158 Benchmark]: Witness Printer took 39.90ms. Allocated memory is still 184.5MB. Free memory was 116.9MB in the beginning and 115.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:45:18,345 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 3 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 55 mSDtfsCounter, 164 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 348 GetRequests, 318 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 97 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4/4 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: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 140.73ms. Allocated memory is still 130.0MB. Free memory was 95.1MB in the beginning and 85.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.57ms. Allocated memory is still 130.0MB. Free memory was 85.5MB in the beginning and 83.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 11.17ms. Allocated memory is still 130.0MB. Free memory was 83.8MB in the beginning and 83.0MB in the end (delta: 876.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 172.48ms. Allocated memory is still 130.0MB. Free memory was 83.0MB in the beginning and 73.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 843.79ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 73.3MB in the beginning and 116.9MB in the end (delta: -43.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 39.90ms. Allocated memory is still 184.5MB. Free memory was 116.9MB in the beginning and 115.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:45:18,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d5a7e8-36a2-48ff-8f6f-7725ac3e72c7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE