./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB --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 905898d576dbb9521171e998174a24819933fa88ed72107c9a2c3094e7696cea --- 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-dbf71c6-m [2022-10-17 16:29:20,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:20,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:20,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:20,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:20,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:20,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:20,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:20,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:20,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:20,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:20,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:20,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:20,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:20,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:20,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:20,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:20,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:20,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:20,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:20,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:20,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:20,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:20,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:21,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:21,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:21,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:21,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:21,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:21,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:21,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:21,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:21,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:21,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:21,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:21,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:21,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:21,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:21,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:21,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:21,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:21,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:29:21,045 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:21,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:21,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:29:21,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:29:21,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:21,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:21,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:21,051 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:29:21,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:29:21,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:21,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:29:21,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:21,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:29:21,053 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:29:21,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:29:21,054 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:21,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:29:21,054 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:21,054 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:21,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:21,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:21,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:21,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:21,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:29:21,056 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:29:21,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:29:21,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:29:21,058 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_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 905898d576dbb9521171e998174a24819933fa88ed72107c9a2c3094e7696cea [2022-10-17 16:29:21,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:21,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:21,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:21,341 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:21,341 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:21,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c [2022-10-17 16:29:21,406 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/data/07fed8013/8f3c7bc9dc3f42959698da9e04b89d36/FLAG9be6f2924 [2022-10-17 16:29:21,897 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:21,897 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c [2022-10-17 16:29:21,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/data/07fed8013/8f3c7bc9dc3f42959698da9e04b89d36/FLAG9be6f2924 [2022-10-17 16:29:22,269 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/data/07fed8013/8f3c7bc9dc3f42959698da9e04b89d36 [2022-10-17 16:29:22,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:22,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:22,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:22,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:22,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:22,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c621cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22, skipping insertion in model container [2022-10-17 16:29:22,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:22,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:22,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:22,455 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:22,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:22,485 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:22,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22 WrapperNode [2022-10-17 16:29:22,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:22,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:22,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:22,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:22,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,520 INFO L138 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-10-17 16:29:22,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:22,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:22,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:22,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:22,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,559 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:22,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:22,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:22,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:22,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:22,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:22,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:22,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:29:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2022-10-17 16:29:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2022-10-17 16:29:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:29:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:29:22,738 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:22,741 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:22,972 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:23,028 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:23,029 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:29:23,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:23 BoogieIcfgContainer [2022-10-17 16:29:23,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:29:23,032 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:29:23,033 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:29:23,042 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:29:23,042 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:23" (1/1) ... [2022-10-17 16:29:23,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:29:23,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:23,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-10-17 16:29:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-10-17 16:29:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:29:23,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:23,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:23,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:23,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:23,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-10-17 16:29:23,414 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-10-17 16:29:23,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:29:23,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:23,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:23,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:23,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-10-17 16:29:23,624 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-10-17 16:29:23,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:29:23,625 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2022-10-17 16:29:23,638 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-10-17 16:29:23,667 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:23,671 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:23,671 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:23,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:29:23 ImpRootNode [2022-10-17 16:29:23,672 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:29:23,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:29:23,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:29:23,673 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:29:23,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:23" (3/4) ... [2022-10-17 16:29:23,677 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:29:23,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure build_nondet_String [2022-10-17 16:29:23,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-10-17 16:29:23,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-10-17 16:29:23,689 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:29:23,689 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:29:23,747 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:29:23,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:29:23,748 INFO L158 Benchmark]: Toolchain (without parser) took 1474.91ms. Allocated memory is still 83.9MB. Free memory was 55.6MB in the beginning and 60.9MB in the end (delta: -5.2MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2022-10-17 16:29:23,748 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:23,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.60ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 45.9MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:29:23,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.58ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 44.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:23,750 INFO L158 Benchmark]: Boogie Preprocessor took 41.35ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 43.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:23,751 INFO L158 Benchmark]: RCFGBuilder took 468.30ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 50.8MB in the end (delta: -7.8MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-10-17 16:29:23,751 INFO L158 Benchmark]: CodeCheck took 639.55ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 29.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 16:29:23,752 INFO L158 Benchmark]: Witness Printer took 74.48ms. Allocated memory is still 83.9MB. Free memory was 29.8MB in the beginning and 60.9MB in the end (delta: -31.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:29:23,755 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 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 6 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.60ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 45.9MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.58ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 44.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.35ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 43.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.30ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 50.8MB in the end (delta: -7.8MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * CodeCheck took 639.55ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 29.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 74.48ms. Allocated memory is still 83.9MB. Free memory was 29.8MB in the beginning and 60.9MB in the end (delta: -31.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:29:23,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c3a89b-86e9-4c48-9e4f-13e907cc22e8/bin/ukojak-92XMlrwhuB/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