./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/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_d957a682-353d-470c-b43c-598ba00fd0b8/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/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_d957a682-353d-470c-b43c-598ba00fd0b8/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 0dfd86504ec51385fcf4065bb94bbc6e4d8b669d9b1bf39730438b67cc387928 --- 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 23:27:07,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:27:07,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:27:07,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:27:07,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:27:07,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:27:07,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:27:07,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:27:07,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:27:07,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:27:07,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:27:07,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:27:07,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:27:07,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:27:07,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:27:07,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:27:07,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:27:07,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:27:07,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:27:07,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:27:07,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:27:07,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:27:07,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:27:07,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:27:07,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:27:07,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:27:07,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:27:07,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:27:07,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:27:07,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:27:07,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:27:07,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:27:07,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:27:07,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:27:07,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:27:07,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:27:07,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:27:07,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:27:07,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:27:07,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:27:07,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:27:07,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 23:27:07,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:27:07,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:27:07,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:27:07,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:27:07,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:27:07,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:27:07,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:27:07,448 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:27:07,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:27:07,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:27:07,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:27:07,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:27:07,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:27:07,448 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:27:07,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:27:07,449 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:27:07,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:27:07,449 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:27:07,449 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:27:07,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:27:07,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:27:07,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:27:07,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:27:07,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:27:07,450 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:27:07,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:27:07,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:27:07,450 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_d957a682-353d-470c-b43c-598ba00fd0b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dfd86504ec51385fcf4065bb94bbc6e4d8b669d9b1bf39730438b67cc387928 [2022-12-14 23:27:07,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:27:07,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:27:07,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:27:07,633 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:27:07,633 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:27:07,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_17_good.i [2022-12-14 23:27:10,229 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:27:10,481 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:27:10,481 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_17_good.i [2022-12-14 23:27:10,499 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/bin/ukojak-rkRKPMF4O4/data/0948a9d23/ecb64504ef1646e6a221a42271bd727f/FLAG0cfb8c500 [2022-12-14 23:27:10,513 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/bin/ukojak-rkRKPMF4O4/data/0948a9d23/ecb64504ef1646e6a221a42271bd727f [2022-12-14 23:27:10,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:27:10,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:27:10,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:27:10,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:27:10,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:27:10,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:27:10" (1/1) ... [2022-12-14 23:27:10,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b70f335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:10, skipping insertion in model container [2022-12-14 23:27:10,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:27:10" (1/1) ... [2022-12-14 23:27:10,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:27:10,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:27:10,847 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:27:11,143 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:27:11,148 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:27:11,149 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:27:11,151 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:27:11,151 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:27:11,175 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:27:11,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:27:11,183 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:27:11,198 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:27:11,230 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:27:11,232 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:27:11,232 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:27:11,234 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:27:11,235 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:27:11,239 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:27:11,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:27:11,340 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:27:11,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:11 WrapperNode [2022-12-14 23:27:11,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:27:11,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:27:11,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:27:11,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:27:11,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:11" (1/1) ... [2022-12-14 23:27:11,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:11" (1/1) ... [2022-12-14 23:27:11,392 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2022-12-14 23:27:11,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:27:11,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:27:11,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:27:11,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:27:11,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:11" (1/1) ... [2022-12-14 23:27:11,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:11" (1/1) ... [2022-12-14 23:27:11,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:11" (1/1) ... [2022-12-14 23:27:11,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:11" (1/1) ... [2022-12-14 23:27:11,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:11" (1/1) ... [2022-12-14 23:27:11,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:11" (1/1) ... [2022-12-14 23:27:11,411 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:11" (1/1) ... [2022-12-14 23:27:11,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:11" (1/1) ... [2022-12-14 23:27:11,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:27:11,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:27:11,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:27:11,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:27:11,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:27:11" (1/1) ... [2022-12-14 23:27:11,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:27:11,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:27:11,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:27:11,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:27:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 23:27:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 23:27:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 23:27:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 23:27:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:27:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:27:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:27:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:27:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:27:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:27:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 23:27:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:27:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:27:11,591 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:27:11,593 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:27:11,743 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:27:11,779 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:27:11,779 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 23:27:11,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:27:11 BoogieIcfgContainer [2022-12-14 23:27:11,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:27:11,783 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:27:11,783 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:27:11,791 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:27:11,792 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:27:11" (1/1) ... [2022-12-14 23:27:11,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:27:11,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:11,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-12-14 23:27:11,837 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-12-14 23:27:11,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:27:11,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:11,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:12,080 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 23:27:12,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:12,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-12-14 23:27:12,123 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-12-14 23:27:12,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 23:27:12,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:12,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:12,196 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 23:27:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:12,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2022-12-14 23:27:12,213 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-12-14 23:27:12,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:27:12,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:12,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:12,293 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 23:27:12,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:12,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2022-12-14 23:27:12,328 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-12-14 23:27:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:27:12,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:12,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:12,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:27:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:12,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 46 states and 56 transitions. [2022-12-14 23:27:12,677 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-12-14 23:27:12,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:27:12,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:12,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:12,728 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 23:27:12,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:12,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 47 states and 58 transitions. [2022-12-14 23:27:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2022-12-14 23:27:12,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:27:12,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:12,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:12,897 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 23:27:12,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:12,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2022-12-14 23:27:12,990 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-12-14 23:27:12,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:27:12,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:12,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:13,044 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 23:27:13,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:13,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2022-12-14 23:27:13,175 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-12-14 23:27:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:27:13,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:13,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:13,211 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 23:27:13,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:13,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2022-12-14 23:27:13,227 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-12-14 23:27:13,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 23:27:13,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:13,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:13,263 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 23:27:13,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:13,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2022-12-14 23:27:13,458 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2022-12-14 23:27:13,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:27:13,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:13,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:27:13,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:13,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2022-12-14 23:27:13,640 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2022-12-14 23:27:13,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:27:13,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:13,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:27:13,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:13,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 60 states and 79 transitions. [2022-12-14 23:27:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2022-12-14 23:27:13,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:27:13,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:13,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:27:13,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:13,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2022-12-14 23:27:13,831 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-12-14 23:27:13,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:27:13,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:13,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 23:27:13,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 51 transitions. [2022-12-14 23:27:13,984 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-12-14 23:27:13,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 23:27:13,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:13,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:14,054 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:27:14,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:14,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 45 transitions. [2022-12-14 23:27:14,141 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-12-14 23:27:14,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:27:14,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:14,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:14,207 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:27:14,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:14,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 49 transitions. [2022-12-14 23:27:14,494 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-12-14 23:27:14,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:27:14,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:14,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:14,521 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:27:14,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:14,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 50 transitions. [2022-12-14 23:27:14,533 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-12-14 23:27:14,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:27:14,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:14,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:14,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 23:27:14,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:14,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 49 states and 59 transitions. [2022-12-14 23:27:14,847 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-12-14 23:27:14,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:27:14,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:14,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:14,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 23:27:14,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:14,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 50 states and 61 transitions. [2022-12-14 23:27:14,898 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2022-12-14 23:27:14,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 23:27:14,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:14,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 23:27:15,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:15,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 62 transitions. [2022-12-14 23:27:15,161 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-12-14 23:27:15,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 23:27:15,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:15,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:15,198 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 23:27:15,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 38 states and 43 transitions. [2022-12-14 23:27:15,362 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-12-14 23:27:15,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:27:15,363 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-12-14 23:27:15,368 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-12-14 23:27:15,423 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-12-14 23:27:15,430 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:27:15,431 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:27:15,431 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-12-14 23:27:15,431 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:27:15,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:27:15 ImpRootNode [2022-12-14 23:27:15,432 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:27:15,432 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:27:15,432 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:27:15,432 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:27:15,433 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:27:11" (3/4) ... [2022-12-14 23:27:15,436 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:27:15,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 23:27:15,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 23:27:15,446 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 23:27:15,446 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-14 23:27:15,446 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 23:27:15,446 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:27:15,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:27:15,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:27:15,483 INFO L158 Benchmark]: Toolchain (without parser) took 4965.56ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 114.2MB in the beginning and 93.5MB in the end (delta: 20.7MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2022-12-14 23:27:15,483 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:27:15,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 822.11ms. Allocated memory is still 157.3MB. Free memory was 114.2MB in the beginning and 115.0MB in the end (delta: -827.2kB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2022-12-14 23:27:15,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.32ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 112.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:27:15,484 INFO L158 Benchmark]: Boogie Preprocessor took 20.92ms. Allocated memory is still 157.3MB. Free memory was 112.0MB in the beginning and 110.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:27:15,484 INFO L158 Benchmark]: RCFGBuilder took 367.74ms. Allocated memory is still 157.3MB. Free memory was 110.0MB in the beginning and 92.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 23:27:15,484 INFO L158 Benchmark]: CodeCheck took 3648.95ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 92.7MB in the beginning and 96.6MB in the end (delta: -3.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2022-12-14 23:27:15,485 INFO L158 Benchmark]: Witness Printer took 49.83ms. Allocated memory is still 188.7MB. Free memory was 96.6MB in the beginning and 93.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:27:15,487 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: 3.6s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1216 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 392 mSDsluCounter, 406 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 696 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2452 IncrementalHoareTripleChecker+Invalid, 3148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 696 mSolverCounterUnsat, 320 mSDtfsCounter, 2452 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2807 GetRequests, 2713 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2864 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 403 NumberOfCodeBlocks, 403 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 623 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 14 PerfectInterpolantSequences, 77/83 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: i == 0 || (0 <= unknown-#memory_int-unknown[data][data] + 2147483648 && 1 <= i) - 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: (1 <= h && data == 2) || h == 0 - 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 0.15ms. Allocated memory is still 94.4MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 822.11ms. Allocated memory is still 157.3MB. Free memory was 114.2MB in the beginning and 115.0MB in the end (delta: -827.2kB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.32ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 112.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.92ms. Allocated memory is still 157.3MB. Free memory was 112.0MB in the beginning and 110.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 367.74ms. Allocated memory is still 157.3MB. Free memory was 110.0MB in the beginning and 92.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3648.95ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 92.7MB in the beginning and 96.6MB in the end (delta: -3.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Witness Printer took 49.83ms. Allocated memory is still 188.7MB. Free memory was 96.6MB in the beginning and 93.5MB 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 23:27:15,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d957a682-353d-470c-b43c-598ba00fd0b8/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