./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig2-modified1000.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig2-modified1000.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b3c6d5b6497aa5ff0eb68154ec5345da59cc3565c3dc280e241d196cfa0cbf4 --- 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-6b4ec56 [2022-11-20 17:26:46,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:26:46,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:26:46,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:26:46,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:26:46,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:26:46,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:26:46,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:26:46,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:26:46,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:26:46,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:26:46,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:26:46,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:26:46,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:26:46,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:26:46,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:26:46,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:26:46,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:26:46,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:26:46,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:26:46,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:26:46,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:26:46,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:26:46,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:26:46,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:26:46,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:26:46,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:26:46,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:26:46,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:26:46,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:26:46,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:26:46,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:26:46,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:26:46,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:26:46,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:26:46,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:26:46,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:26:46,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:26:46,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:26:46,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:26:46,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:26:46,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:26:46,122 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:26:46,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:26:46,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:26:46,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:26:46,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:26:46,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:26:46,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:26:46,126 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:26:46,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:26:46,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:26:46,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:26:46,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:26:46,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:26:46,129 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:26:46,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:26:46,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:26:46,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:26:46,130 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:26:46,130 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:26:46,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:26:46,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:46,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:26:46,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:26:46,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:26:46,131 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:26:46,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:26:46,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:26:46,132 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_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b3c6d5b6497aa5ff0eb68154ec5345da59cc3565c3dc280e241d196cfa0cbf4 [2022-11-20 17:26:46,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:26:46,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:26:46,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:26:46,452 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:26:46,455 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:26:46,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig2-modified1000.c [2022-11-20 17:26:49,524 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:26:49,760 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:26:49,761 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig2-modified1000.c [2022-11-20 17:26:49,767 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/data/56bc02598/dd07b27aeeff4f4da8e9349bf1e0acb9/FLAG17a2a2c3e [2022-11-20 17:26:49,784 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/data/56bc02598/dd07b27aeeff4f4da8e9349bf1e0acb9 [2022-11-20 17:26:49,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:26:49,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:26:49,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:49,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:26:49,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:26:49,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:49" (1/1) ... [2022-11-20 17:26:49,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7849e7ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:49, skipping insertion in model container [2022-11-20 17:26:49,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:49" (1/1) ... [2022-11-20 17:26:49,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:26:49,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:26:49,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:49,959 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:26:49,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:49,981 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:26:49,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:49 WrapperNode [2022-11-20 17:26:49,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:49,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:49,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:26:49,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:26:49,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:49" (1/1) ... [2022-11-20 17:26:49,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:49" (1/1) ... [2022-11-20 17:26:50,012 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2022-11-20 17:26:50,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:50,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:26:50,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:26:50,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:26:50,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:49" (1/1) ... [2022-11-20 17:26:50,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:49" (1/1) ... [2022-11-20 17:26:50,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:49" (1/1) ... [2022-11-20 17:26:50,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:49" (1/1) ... [2022-11-20 17:26:50,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:49" (1/1) ... [2022-11-20 17:26:50,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:49" (1/1) ... [2022-11-20 17:26:50,028 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:49" (1/1) ... [2022-11-20 17:26:50,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:49" (1/1) ... [2022-11-20 17:26:50,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:26:50,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:26:50,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:26:50,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:26:50,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:49" (1/1) ... [2022-11-20 17:26:50,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:50,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:26:50,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:26:50,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:26:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:26:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:26:50,184 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:26:50,186 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:26:50,264 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:26:50,287 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:26:50,287 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:26:50,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:50 BoogieIcfgContainer [2022-11-20 17:26:50,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:26:50,291 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:26:50,292 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:26:50,303 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:26:50,303 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:50" (1/1) ... [2022-11-20 17:26:50,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:26:50,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:50,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-11-20 17:26:50,367 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-20 17:26:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:26:50,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:50,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:50,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:50,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-11-20 17:26:50,593 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-11-20 17:26:50,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:26:50,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:50,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:50,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-11-20 17:26:50,698 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-11-20 17:26:50,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:26:50,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:50,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:50,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:50,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-11-20 17:26:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-20 17:26:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:26:50,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:50,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:50,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:50,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:50,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-20 17:26:50,854 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 17:26:50,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:26:50,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:50,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2022-11-20 17:26:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-20 17:26:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:26:51,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:51,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:51,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:26:51,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-20 17:26:51,254 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 17:26:51,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:26:51,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:51,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:26:51,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:51,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-20 17:26:51,789 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 17:26:51,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:26:51,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:51,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:26:52,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-11-20 17:26:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-20 17:26:52,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:26:52,481 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-20 17:26:52,490 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:26:52,583 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2022-11-20 17:26:52,593 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-11-20 17:26:52,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:26:52 ImpRootNode [2022-11-20 17:26:52,595 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:26:52,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:26:52,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:26:52,596 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:26:52,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:50" (3/4) ... [2022-11-20 17:26:52,600 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:26:52,617 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 17:26:52,618 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 17:26:52,618 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:26:52,663 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:26:52,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:26:52,664 INFO L158 Benchmark]: Toolchain (without parser) took 2875.85ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 93.1MB in the beginning and 72.9MB in the end (delta: 20.2MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:52,664 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 123.7MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:52,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.67ms. Allocated memory is still 123.7MB. Free memory was 93.1MB in the beginning and 84.2MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:26:52,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.21ms. Allocated memory is still 123.7MB. Free memory was 84.2MB in the beginning and 82.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:52,666 INFO L158 Benchmark]: Boogie Preprocessor took 17.39ms. Allocated memory is still 123.7MB. Free memory was 82.6MB in the beginning and 81.7MB in the end (delta: 859.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:52,667 INFO L158 Benchmark]: RCFGBuilder took 259.74ms. Allocated memory is still 123.7MB. Free memory was 81.7MB in the beginning and 71.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:26:52,667 INFO L158 Benchmark]: CodeCheck took 2303.41ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 71.2MB in the beginning and 75.0MB in the end (delta: -3.8MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2022-11-20 17:26:52,668 INFO L158 Benchmark]: Witness Printer took 68.01ms. Allocated memory is still 163.6MB. Free memory was 75.0MB in the beginning and 72.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:52,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 421 IncrementalHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 30 mSDtfsCounter, 421 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 446 GetRequests, 391 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 15/16 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 <= x1 + 2147483648 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (x2 <= 1000 && x1 <= 10) && 0 <= x1 + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 123.7MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 192.67ms. Allocated memory is still 123.7MB. Free memory was 93.1MB in the beginning and 84.2MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.21ms. Allocated memory is still 123.7MB. Free memory was 84.2MB in the beginning and 82.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.39ms. Allocated memory is still 123.7MB. Free memory was 82.6MB in the beginning and 81.7MB in the end (delta: 859.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 259.74ms. Allocated memory is still 123.7MB. Free memory was 81.7MB in the beginning and 71.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2303.41ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 71.2MB in the beginning and 75.0MB in the end (delta: -3.8MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * Witness Printer took 68.01ms. Allocated memory is still 163.6MB. Free memory was 75.0MB in the beginning and 72.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:26:52,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf1e28d-a518-4bbb-83a6-430e13886901/bin/ukojak-pZX7IvK2PQ/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