./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_e896c3de-dff9-4cf3-a1e5-e147cd13a495/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/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_e896c3de-dff9-4cf3-a1e5-e147cd13a495/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/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 64bit --witnessprinter.graph.data.programhash 9d228c73e9bb280a145779c6620e7e3557451cb163a0ff20f80c38a6902c4393 --- 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 23:28:38,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:28:38,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:28:38,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:28:38,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:28:38,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:28:38,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:28:38,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:28:38,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:28:38,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:28:38,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:28:38,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:28:38,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:28:38,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:28:38,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:28:38,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:28:38,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:28:38,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:28:38,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:28:38,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:28:38,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:28:38,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:28:38,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:28:38,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:28:38,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:28:38,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:28:38,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:28:38,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:28:38,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:28:38,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:28:38,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:28:38,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:28:38,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:28:38,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:28:38,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:28:38,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:28:38,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:28:38,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:28:38,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:28:38,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:28:38,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:28:38,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 23:28:38,341 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:28:38,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:28:38,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:28:38,342 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:28:38,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:28:38,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:28:38,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:28:38,343 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:28:38,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:28:38,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:28:38,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:28:38,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:28:38,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:28:38,344 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:28:38,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:28:38,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:28:38,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:28:38,344 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:28:38,344 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:28:38,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:28:38,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:28:38,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:28:38,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:28:38,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:28:38,345 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:28:38,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:28:38,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:28:38,345 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_e896c3de-dff9-4cf3-a1e5-e147cd13a495/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d228c73e9bb280a145779c6620e7e3557451cb163a0ff20f80c38a6902c4393 [2022-12-14 23:28:38,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:28:38,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:28:38,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:28:38,538 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:28:38,538 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:28:38,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_good.i [2022-12-14 23:28:41,072 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:28:41,384 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:28:41,385 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_good.i [2022-12-14 23:28:41,410 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/bin/ukojak-rkRKPMF4O4/data/9c2faa384/69f5f93a43644412a6ab8915b864e133/FLAGc427e3da2 [2022-12-14 23:28:41,642 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/bin/ukojak-rkRKPMF4O4/data/9c2faa384/69f5f93a43644412a6ab8915b864e133 [2022-12-14 23:28:41,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:28:41,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:28:41,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:28:41,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:28:41,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:28:41,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:28:41" (1/1) ... [2022-12-14 23:28:41,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2f0a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:28:41, skipping insertion in model container [2022-12-14 23:28:41,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:28:41" (1/1) ... [2022-12-14 23:28:41,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:28:41,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:28:41,907 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:28:42,214 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:28:42,218 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:28:42,220 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:28:42,221 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:28:42,222 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:28:42,244 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:28:42,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:28:42,251 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:28:42,266 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:28:42,295 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:28:42,296 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:28:42,297 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:28:42,299 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:28:42,299 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:28:42,304 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:28:42,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:28:42,409 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:28:42,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:28:42 WrapperNode [2022-12-14 23:28:42,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:28:42,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:28:42,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:28:42,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:28:42,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:28:42" (1/1) ... [2022-12-14 23:28:42,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:28:42" (1/1) ... [2022-12-14 23:28:42,461 INFO L138 Inliner]: procedures = 501, calls = 66, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2022-12-14 23:28:42,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:28:42,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:28:42,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:28:42,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:28:42,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:28:42" (1/1) ... [2022-12-14 23:28:42,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:28:42" (1/1) ... [2022-12-14 23:28:42,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:28:42" (1/1) ... [2022-12-14 23:28:42,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:28:42" (1/1) ... [2022-12-14 23:28:42,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:28:42" (1/1) ... [2022-12-14 23:28:42,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:28:42" (1/1) ... [2022-12-14 23:28:42,489 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:28:42" (1/1) ... [2022-12-14 23:28:42,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:28:42" (1/1) ... [2022-12-14 23:28:42,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:28:42,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:28:42,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:28:42,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:28:42,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:28:42" (1/1) ... [2022-12-14 23:28:42,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:28:42,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:28:42,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:28:42,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:28:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 23:28:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 23:28:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 23:28:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 23:28:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:28:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:28:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:28:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:28:42,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:28:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:28:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 23:28:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:28:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:28:42,676 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:28:42,678 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:28:42,830 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:28:42,869 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:28:42,869 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 23:28:42,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:28:42 BoogieIcfgContainer [2022-12-14 23:28:42,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:28:42,872 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:28:42,873 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:28:42,880 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:28:42,880 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:28:42" (1/1) ... [2022-12-14 23:28:42,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:28:42,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:42,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-12-14 23:28:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-12-14 23:28:42,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:28:42,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:42,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:43,174 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 23:28:43,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:43,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2022-12-14 23:28:43,218 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-12-14 23:28:43,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 23:28:43,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:43,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:43,291 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 23:28:43,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:43,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2022-12-14 23:28:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-12-14 23:28:43,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:28:43,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:43,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:43,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:28:43,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:43,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2022-12-14 23:28:43,431 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-12-14 23:28:43,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:28:43,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:43,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:43,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:28:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:43,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-12-14 23:28:43,506 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-12-14 23:28:43,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:28:43,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:43,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:43,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:28:43,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:43,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2022-12-14 23:28:43,590 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-12-14 23:28:43,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:28:43,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:43,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:43,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:28:43,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:43,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 48 states and 60 transitions. [2022-12-14 23:28:43,804 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-12-14 23:28:43,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:28:43,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:43,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:43,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:28:43,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:43,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2022-12-14 23:28:43,855 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-12-14 23:28:43,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:28:43,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:43,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:43,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:28:44,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2022-12-14 23:28:44,104 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-12-14 23:28:44,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:28:44,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:44,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:44,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:28:44,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2022-12-14 23:28:44,264 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-12-14 23:28:44,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:28:44,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:44,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:28:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2022-12-14 23:28:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2022-12-14 23:28:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 23:28:44,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:44,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:28:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:44,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2022-12-14 23:28:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-12-14 23:28:44,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 23:28:44,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:44,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:44,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:28:44,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:44,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2022-12-14 23:28:44,607 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-12-14 23:28:44,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 23:28:44,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:44,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:28:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:44,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 53 transitions. [2022-12-14 23:28:44,842 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-12-14 23:28:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:28:44,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:44,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:28:44,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 47 transitions. [2022-12-14 23:28:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-12-14 23:28:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:28:44,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:44,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:28:45,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:45,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 44 states and 52 transitions. [2022-12-14 23:28:45,323 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-12-14 23:28:45,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 23:28:45,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:45,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:28:45,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:45,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 58 transitions. [2022-12-14 23:28:45,765 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-12-14 23:28:45,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:28:45,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:45,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:28:46,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:46,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 55 states and 70 transitions. [2022-12-14 23:28:46,223 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-12-14 23:28:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 23:28:46,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:46,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:28:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:46,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 56 states and 73 transitions. [2022-12-14 23:28:46,266 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2022-12-14 23:28:46,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:28:46,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:46,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:46,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 23:28:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:46,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 78 transitions. [2022-12-14 23:28:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-12-14 23:28:46,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 23:28:46,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:46,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:28:46,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 65 states and 82 transitions. [2022-12-14 23:28:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-12-14 23:28:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 23:28:46,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:28:46,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:28:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:28:46,915 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 23:28:47,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:28:47,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 38 states and 42 transitions. [2022-12-14 23:28:47,130 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-12-14 23:28:47,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:28:47,131 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-12-14 23:28:47,139 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-12-14 23:28:47,211 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-14 23:28:47,219 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:28:47,219 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:28:47,219 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-12-14 23:28:47,219 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:28:47,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:28:47 ImpRootNode [2022-12-14 23:28:47,220 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:28:47,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:28:47,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:28:47,220 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:28:47,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:28:42" (3/4) ... [2022-12-14 23:28:47,223 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:28:47,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 23:28:47,227 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 23:28:47,229 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 23:28:47,230 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-14 23:28:47,230 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 23:28:47,230 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:28:47,261 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:28:47,261 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:28:47,262 INFO L158 Benchmark]: Toolchain (without parser) took 5617.06ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 100.4MB in the beginning and 127.4MB in the end (delta: -27.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-12-14 23:28:47,262 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 140.5MB. Free memory was 115.2MB in the beginning and 115.2MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:28:47,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.75ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 100.4MB in the beginning and 135.1MB in the end (delta: -34.8MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2022-12-14 23:28:47,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.34ms. Allocated memory is still 180.4MB. Free memory was 135.1MB in the beginning and 132.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:28:47,263 INFO L158 Benchmark]: Boogie Preprocessor took 32.16ms. Allocated memory is still 180.4MB. Free memory was 132.0MB in the beginning and 129.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:28:47,263 INFO L158 Benchmark]: RCFGBuilder took 376.24ms. Allocated memory is still 180.4MB. Free memory was 129.9MB in the beginning and 112.0MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 23:28:47,263 INFO L158 Benchmark]: CodeCheck took 4347.30ms. Allocated memory is still 180.4MB. Free memory was 112.0MB in the beginning and 130.5MB in the end (delta: -18.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:28:47,263 INFO L158 Benchmark]: Witness Printer took 41.10ms. Allocated memory is still 180.4MB. Free memory was 130.5MB in the beginning and 127.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:28:47,265 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, 46 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1264 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 497 mSDsluCounter, 541 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 768 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2788 IncrementalHoareTripleChecker+Invalid, 3556 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 768 mSolverCounterUnsat, 375 mSDtfsCounter, 2788 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3041 GetRequests, 2931 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3570 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 405 NumberOfCodeBlocks, 405 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 384 ConstructedInterpolants, 0 QuantifiedInterpolants, 734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 17 PerfectInterpolantSequences, 57/61 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: 1 <= i || i == 0 - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: h == 0 || ((1 <= h && data + 2 <= 0) && 0 <= data + 2) - InvariantResult [Line: 1582]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 140.5MB. Free memory was 115.2MB in the beginning and 115.2MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.75ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 100.4MB in the beginning and 135.1MB in the end (delta: -34.8MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.34ms. Allocated memory is still 180.4MB. Free memory was 135.1MB in the beginning and 132.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.16ms. Allocated memory is still 180.4MB. Free memory was 132.0MB in the beginning and 129.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.24ms. Allocated memory is still 180.4MB. Free memory was 129.9MB in the beginning and 112.0MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4347.30ms. Allocated memory is still 180.4MB. Free memory was 112.0MB in the beginning and 130.5MB in the end (delta: -18.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.10ms. Allocated memory is still 180.4MB. Free memory was 130.5MB in the beginning and 127.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:28:47,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e896c3de-dff9-4cf3-a1e5-e147cd13a495/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