./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_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_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/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_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/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_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/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 45da0ec55e80675b886f8e641f164866abb91ea1313f371255aeb32277275561 --- 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 [2022-12-15 01:53:43,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:53:43,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:53:43,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:53:43,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:53:43,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:53:43,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:53:43,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:53:43,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:53:43,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:53:43,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:53:43,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:53:43,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:53:43,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:53:43,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:53:43,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:53:43,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:53:43,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:53:43,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:53:43,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:53:43,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:53:43,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:53:43,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:53:43,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:53:43,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:53:43,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:53:43,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:53:43,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:53:43,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:53:43,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:53:43,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:53:43,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:53:43,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:53:43,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:53:43,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:53:43,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:53:43,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:53:43,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:53:43,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:53:43,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:53:43,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:53:43,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:53:43,529 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:53:43,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:53:43,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:53:43,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:53:43,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:53:43,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:53:43,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:53:43,531 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:53:43,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:53:43,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:53:43,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:53:43,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:53:43,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:53:43,532 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:53:43,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:53:43,532 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:53:43,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:53:43,532 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:53:43,532 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:53:43,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:53:43,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:53:43,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:53:43,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:53:43,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:53:43,533 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:53:43,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:53:43,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:53:43,533 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_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45da0ec55e80675b886f8e641f164866abb91ea1313f371255aeb32277275561 [2022-12-15 01:53:43,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:53:43,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:53:43,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:53:43,721 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:53:43,721 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:53:43,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_17_good.i [2022-12-15 01:53:46,308 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:53:46,523 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:53:46,524 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_17_good.i [2022-12-15 01:53:46,537 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/bin/ukojak-rkRKPMF4O4/data/f2459fa48/4da098ab36a140bea4e70b0746d301b0/FLAGe93ed6403 [2022-12-15 01:53:46,548 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/bin/ukojak-rkRKPMF4O4/data/f2459fa48/4da098ab36a140bea4e70b0746d301b0 [2022-12-15 01:53:46,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:53:46,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:53:46,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:53:46,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:53:46,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:53:46,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:53:46" (1/1) ... [2022-12-15 01:53:46,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fb1da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:46, skipping insertion in model container [2022-12-15 01:53:46,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:53:46" (1/1) ... [2022-12-15 01:53:46,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:53:46,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:53:46,844 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:53:47,168 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:53:47,174 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:53:47,176 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:53:47,179 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:53:47,180 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:53:47,210 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:53:47,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:53:47,221 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:53:47,241 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:53:47,289 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:53:47,290 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:53:47,291 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:53:47,294 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:53:47,294 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:53:47,302 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:53:47,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:53:47,409 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:53:47,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:47 WrapperNode [2022-12-15 01:53:47,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:53:47,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:53:47,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:53:47,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:53:47,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:47" (1/1) ... [2022-12-15 01:53:47,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:47" (1/1) ... [2022-12-15 01:53:47,448 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2022-12-15 01:53:47,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:53:47,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:53:47,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:53:47,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:53:47,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:47" (1/1) ... [2022-12-15 01:53:47,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:47" (1/1) ... [2022-12-15 01:53:47,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:47" (1/1) ... [2022-12-15 01:53:47,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:47" (1/1) ... [2022-12-15 01:53:47,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:47" (1/1) ... [2022-12-15 01:53:47,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:47" (1/1) ... [2022-12-15 01:53:47,465 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:47" (1/1) ... [2022-12-15 01:53:47,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:47" (1/1) ... [2022-12-15 01:53:47,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:53:47,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:53:47,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:53:47,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:53:47,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:47" (1/1) ... [2022-12-15 01:53:47,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:53:47,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:53:47,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:53:47,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:53:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 01:53:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 01:53:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 01:53:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 01:53:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:53:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:53:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:53:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:53:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:53:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:53:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 01:53:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:53:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:53:47,635 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:53:47,636 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:53:47,791 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:53:47,819 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:53:47,819 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-15 01:53:47,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:53:47 BoogieIcfgContainer [2022-12-15 01:53:47,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:53:47,821 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:53:47,822 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:53:47,828 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:53:47,829 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:53:47" (1/1) ... [2022-12-15 01:53:47,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:53:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:47,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-12-15 01:53:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-12-15 01:53:47,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:53:47,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:47,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:48,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-12-15 01:53:48,171 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-12-15 01:53:48,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:53:48,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:48,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:48,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:48,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2022-12-15 01:53:48,274 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-12-15 01:53:48,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:53:48,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:48,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:48,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2022-12-15 01:53:48,408 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-12-15 01:53:48,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:53:48,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:48,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:48,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:53:48,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:48,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 42 states and 48 transitions. [2022-12-15 01:53:48,541 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-12-15 01:53:48,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:53:48,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:48,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:48,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:53:48,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:48,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2022-12-15 01:53:48,615 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-12-15 01:53:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:53:48,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:48,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:49,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-12-15 01:53:49,062 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-12-15 01:53:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:53:49,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:49,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:49,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:53:49,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:49,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2022-12-15 01:53:49,282 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-12-15 01:53:49,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:53:49,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:49,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:49,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:53:49,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:49,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2022-12-15 01:53:49,348 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-12-15 01:53:49,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:53:49,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:49,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:49,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:53:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2022-12-15 01:53:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2022-12-15 01:53:49,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:53:49,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:49,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:49,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:53:49,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:49,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2022-12-15 01:53:49,746 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-12-15 01:53:49,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:53:49,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:49,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:49,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:53:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 48 transitions. [2022-12-15 01:53:49,911 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-12-15 01:53:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:53:49,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:49,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:53:49,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:49,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 49 transitions. [2022-12-15 01:53:49,958 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-12-15 01:53:49,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:53:49,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:49,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:53:50,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 43 transitions. [2022-12-15 01:53:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-12-15 01:53:50,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:53:50,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:50,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:50,175 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:53:50,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:50,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 47 transitions. [2022-12-15 01:53:50,420 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-12-15 01:53:50,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:53:50,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:50,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:50,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:53:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:50,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 52 transitions. [2022-12-15 01:53:50,877 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-12-15 01:53:50,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:53:50,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:50,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:53:51,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:51,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 62 transitions. [2022-12-15 01:53:51,379 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-12-15 01:53:51,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:53:51,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:51,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:53:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:51,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 65 transitions. [2022-12-15 01:53:51,428 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-12-15 01:53:51,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 01:53:51,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:51,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:51,509 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:53:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:51,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 66 transitions. [2022-12-15 01:53:51,707 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-12-15 01:53:51,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:53:51,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:51,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:53:51,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:51,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 67 transitions. [2022-12-15 01:53:51,893 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-12-15 01:53:51,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 01:53:51,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:51,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 01:53:52,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:52,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 43 transitions. [2022-12-15 01:53:52,091 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-12-15 01:53:52,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:53:52,091 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-12-15 01:53:52,097 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-12-15 01:53:52,148 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-12-15 01:53:52,156 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:53:52,156 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:53:52,156 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-12-15 01:53:52,156 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:53:52,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:53:52 ImpRootNode [2022-12-15 01:53:52,157 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:53:52,157 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:53:52,157 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:53:52,157 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:53:52,158 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:53:47" (3/4) ... [2022-12-15 01:53:52,161 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:53:52,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 01:53:52,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 01:53:52,168 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-15 01:53:52,168 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-15 01:53:52,168 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 01:53:52,168 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:53:52,203 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:53:52,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:53:52,204 INFO L158 Benchmark]: Toolchain (without parser) took 5653.18ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 133.1MB in the beginning and 129.9MB in the end (delta: 3.2MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2022-12-15 01:53:52,204 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory was 81.3MB in the beginning and 81.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:53:52,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 858.49ms. Allocated memory is still 178.3MB. Free memory was 133.1MB in the beginning and 142.5MB in the end (delta: -9.4MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2022-12-15 01:53:52,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.55ms. Allocated memory is still 178.3MB. Free memory was 142.5MB in the beginning and 139.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:53:52,205 INFO L158 Benchmark]: Boogie Preprocessor took 18.78ms. Allocated memory is still 178.3MB. Free memory was 139.3MB in the beginning and 137.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:53:52,205 INFO L158 Benchmark]: RCFGBuilder took 353.16ms. Allocated memory is still 178.3MB. Free memory was 137.2MB in the beginning and 119.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 01:53:52,205 INFO L158 Benchmark]: CodeCheck took 4335.26ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 119.4MB in the beginning and 133.0MB in the end (delta: -13.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-12-15 01:53:52,205 INFO L158 Benchmark]: Witness Printer took 46.17ms. Allocated memory is still 213.9MB. Free memory was 133.0MB in the beginning and 129.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:53:52,207 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, 44 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1254 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 440 mSDsluCounter, 452 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 92 mSDsCounter, 747 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2680 IncrementalHoareTripleChecker+Invalid, 3427 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 747 mSolverCounterUnsat, 360 mSDtfsCounter, 2680 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2881 GetRequests, 2771 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3830 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 414 NumberOfCodeBlocks, 414 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 394 ConstructedInterpolants, 0 QuantifiedInterpolants, 648 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 14 PerfectInterpolantSequences, 73/79 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: 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 && unknown-#memory_int-unknown[data][data] <= 2147483647) || i == 0 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: h == 0 || ((1 <= h && data + 2 <= 0) && 0 <= data + 2) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory was 81.3MB in the beginning and 81.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 858.49ms. Allocated memory is still 178.3MB. Free memory was 133.1MB in the beginning and 142.5MB in the end (delta: -9.4MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.55ms. Allocated memory is still 178.3MB. Free memory was 142.5MB in the beginning and 139.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.78ms. Allocated memory is still 178.3MB. Free memory was 139.3MB in the beginning and 137.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.16ms. Allocated memory is still 178.3MB. Free memory was 137.2MB in the beginning and 119.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4335.26ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 119.4MB in the beginning and 133.0MB in the end (delta: -13.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Witness Printer took 46.17ms. Allocated memory is still 213.9MB. Free memory was 133.0MB in the beginning and 129.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:53:52,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5424d48a-fae1-4b63-8e8e-cd1ccfa17396/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