./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_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_109c8159-7d2e-451f-aadb-6212ef0b552d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109c8159-7d2e-451f-aadb-6212ef0b552d/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_109c8159-7d2e-451f-aadb-6212ef0b552d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109c8159-7d2e-451f-aadb-6212ef0b552d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109c8159-7d2e-451f-aadb-6212ef0b552d/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_109c8159-7d2e-451f-aadb-6212ef0b552d/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 a4cf52fcc03f756637806b2b3b6817ba94bd602f96197113970ab950a89a64df --- 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 02:25:42,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:25:42,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:25:42,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:25:42,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:25:42,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:25:42,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:25:42,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:25:42,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:25:42,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:25:42,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:25:42,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:25:42,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:25:42,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:25:42,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:25:42,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:25:42,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:25:42,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:25:42,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:25:42,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:25:42,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:25:42,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:25:42,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:25:42,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:25:42,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:25:42,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:25:42,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:25:42,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:25:42,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:25:42,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:25:42,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:25:42,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:25:42,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:25:42,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:25:42,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:25:42,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:25:42,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:25:42,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:25:42,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:25:42,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:25:42,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:25:42,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109c8159-7d2e-451f-aadb-6212ef0b552d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 02:25:42,621 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:25:42,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:25:42,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:25:42,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:25:42,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:25:42,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:25:42,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:25:42,623 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:25:42,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:25:42,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:25:42,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:25:42,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:25:42,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:25:42,624 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:25:42,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:25:42,624 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:25:42,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:25:42,624 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:25:42,624 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:25:42,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:25:42,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:25:42,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:25:42,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:25:42,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:25:42,625 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:25:42,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:25:42,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:25:42,625 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_109c8159-7d2e-451f-aadb-6212ef0b552d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109c8159-7d2e-451f-aadb-6212ef0b552d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4cf52fcc03f756637806b2b3b6817ba94bd602f96197113970ab950a89a64df [2022-12-15 02:25:42,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:25:42,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:25:42,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:25:42,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:25:42,829 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:25:42,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109c8159-7d2e-451f-aadb-6212ef0b552d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_good.i [2022-12-15 02:25:45,454 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:25:45,658 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:25:45,659 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109c8159-7d2e-451f-aadb-6212ef0b552d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_good.i [2022-12-15 02:25:45,671 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109c8159-7d2e-451f-aadb-6212ef0b552d/bin/ukojak-rkRKPMF4O4/data/c2a1fab0a/1c007941e5f543bcacf729471274ca56/FLAG498e91e96 [2022-12-15 02:25:45,681 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109c8159-7d2e-451f-aadb-6212ef0b552d/bin/ukojak-rkRKPMF4O4/data/c2a1fab0a/1c007941e5f543bcacf729471274ca56 [2022-12-15 02:25:45,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:25:45,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:25:45,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:25:45,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:25:45,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:25:45,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:25:45" (1/1) ... [2022-12-15 02:25:45,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545d430a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:25:45, skipping insertion in model container [2022-12-15 02:25:45,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:25:45" (1/1) ... [2022-12-15 02:25:45,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:25:45,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:25:45,956 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:25:46,273 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 02:25:46,277 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:25:46,278 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:25:46,280 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:25:46,281 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:25:46,304 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 02:25:46,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:25:46,312 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:25:46,326 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:25:46,359 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 02:25:46,360 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:25:46,360 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:25:46,362 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:25:46,363 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:25:46,367 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 02:25:46,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:25:46,481 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:25:46,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:25:46 WrapperNode [2022-12-15 02:25:46,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:25:46,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:25:46,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:25:46,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:25:46,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:25:46" (1/1) ... [2022-12-15 02:25:46,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:25:46" (1/1) ... [2022-12-15 02:25:46,518 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2022-12-15 02:25:46,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:25:46,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:25:46,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:25:46,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:25:46,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:25:46" (1/1) ... [2022-12-15 02:25:46,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:25:46" (1/1) ... [2022-12-15 02:25:46,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:25:46" (1/1) ... [2022-12-15 02:25:46,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:25:46" (1/1) ... [2022-12-15 02:25:46,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:25:46" (1/1) ... [2022-12-15 02:25:46,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:25:46" (1/1) ... [2022-12-15 02:25:46,535 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:25:46" (1/1) ... [2022-12-15 02:25:46,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:25:46" (1/1) ... [2022-12-15 02:25:46,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:25:46,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:25:46,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:25:46,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:25:46,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:25:46" (1/1) ... [2022-12-15 02:25:46,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:25:46,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109c8159-7d2e-451f-aadb-6212ef0b552d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:25:46,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109c8159-7d2e-451f-aadb-6212ef0b552d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:25:46,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109c8159-7d2e-451f-aadb-6212ef0b552d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:25:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 02:25:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 02:25:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 02:25:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 02:25:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:25:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:25:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:25:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:25:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:25:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:25:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 02:25:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:25:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:25:46,710 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:25:46,712 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:25:46,854 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:25:46,894 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:25:46,894 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-15 02:25:46,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:25:46 BoogieIcfgContainer [2022-12-15 02:25:46,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:25:46,898 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:25:46,898 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:25:46,907 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:25:46,908 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:25:46" (1/1) ... [2022-12-15 02:25:46,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:25:46,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-12-15 02:25:46,966 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-12-15 02:25:46,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:25:46,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:46,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:47,218 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 02:25:47,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:47,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-12-15 02:25:47,264 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-12-15 02:25:47,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:25:47,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:47,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:47,347 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 02:25:47,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2022-12-15 02:25:47,363 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-12-15 02:25:47,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:25:47,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:47,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:47,447 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 02:25:47,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:47,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2022-12-15 02:25:47,482 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-12-15 02:25:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:25:47,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:47,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:47,563 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 02:25:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:47,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 42 states and 48 transitions. [2022-12-15 02:25:47,601 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-12-15 02:25:47,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:25:47,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:47,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:47,639 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 02:25:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:47,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2022-12-15 02:25:47,662 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-12-15 02:25:47,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:25:47,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:47,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:47,789 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 02:25:48,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:48,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-12-15 02:25:48,145 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-12-15 02:25:48,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 02:25:48,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:48,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:48,194 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 02:25:48,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:48,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2022-12-15 02:25:48,324 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-12-15 02:25:48,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 02:25:48,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:48,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:48,357 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 02:25:48,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:48,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2022-12-15 02:25:48,372 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-12-15 02:25:48,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 02:25:48,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:48,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:48,406 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 02:25:48,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:48,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2022-12-15 02:25:48,601 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2022-12-15 02:25:48,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 02:25:48,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:48,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:48,683 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 02:25:48,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:48,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2022-12-15 02:25:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-12-15 02:25:48,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:25:48,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:48,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:48,822 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 02:25:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 48 transitions. [2022-12-15 02:25:48,917 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-12-15 02:25:48,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:25:48,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:48,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:48,965 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 02:25:48,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 49 transitions. [2022-12-15 02:25:48,977 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-12-15 02:25:48,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 02:25:48,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:48,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:49,054 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 02:25:49,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:49,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 43 transitions. [2022-12-15 02:25:49,138 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-12-15 02:25:49,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:25:49,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:49,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:49,241 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 02:25:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 47 transitions. [2022-12-15 02:25:49,572 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-12-15 02:25:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 02:25:49,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:49,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:49,675 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 02:25:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 52 transitions. [2022-12-15 02:25:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-12-15 02:25:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:25:50,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:50,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:50,303 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 02:25:50,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:50,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 62 transitions. [2022-12-15 02:25:50,826 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-12-15 02:25:50,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 02:25:50,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:50,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:50,873 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 02:25:50,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:50,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 65 transitions. [2022-12-15 02:25:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-12-15 02:25:50,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 02:25:50,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:50,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:50,989 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 02:25:51,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 66 transitions. [2022-12-15 02:25:51,173 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-12-15 02:25:51,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 02:25:51,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:51,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:51,217 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 02:25:51,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:51,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 67 transitions. [2022-12-15 02:25:51,364 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-12-15 02:25:51,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 02:25:51,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:51,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:51,407 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 02:25:51,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:51,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 43 transitions. [2022-12-15 02:25:51,599 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-12-15 02:25:51,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 02:25:51,600 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-12-15 02:25:51,608 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-12-15 02:25:51,664 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-12-15 02:25:51,674 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:25:51,674 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:25:51,674 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-12-15 02:25:51,675 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:25:51,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:25:51 ImpRootNode [2022-12-15 02:25:51,675 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:25:51,676 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:25:51,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:25:51,676 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:25:51,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:25:46" (3/4) ... [2022-12-15 02:25:51,679 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 02:25:51,684 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 02:25:51,684 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 02:25:51,688 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-15 02:25:51,688 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-15 02:25:51,688 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 02:25:51,688 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 02:25:51,732 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109c8159-7d2e-451f-aadb-6212ef0b552d/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:25:51,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:25:51,733 INFO L158 Benchmark]: Toolchain (without parser) took 6048.35ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 103.2MB in the beginning and 112.5MB in the end (delta: -9.3MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-12-15 02:25:51,733 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory was 77.0MB in the beginning and 77.0MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:25:51,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 796.82ms. Allocated memory is still 144.7MB. Free memory was 102.7MB in the beginning and 91.4MB in the end (delta: 11.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2022-12-15 02:25:51,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.75ms. Allocated memory is still 144.7MB. Free memory was 91.4MB in the beginning and 88.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:25:51,734 INFO L158 Benchmark]: Boogie Preprocessor took 19.38ms. Allocated memory is still 144.7MB. Free memory was 88.1MB in the beginning and 86.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:25:51,734 INFO L158 Benchmark]: RCFGBuilder took 358.38ms. Allocated memory is still 144.7MB. Free memory was 86.9MB in the beginning and 69.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 02:25:51,735 INFO L158 Benchmark]: CodeCheck took 4777.65ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 69.2MB in the beginning and 115.7MB in the end (delta: -46.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:25:51,735 INFO L158 Benchmark]: Witness Printer took 56.50ms. Allocated memory is still 174.1MB. Free memory was 115.7MB in the beginning and 112.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:25:51,737 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: 4.7s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1228 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 414 mSDsluCounter, 400 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 773 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2732 IncrementalHoareTripleChecker+Invalid, 3505 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 773 mSolverCounterUnsat, 346 mSDtfsCounter, 2732 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2883 GetRequests, 2763 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4573 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s 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 0.18ms. Allocated memory is still 102.8MB. Free memory was 77.0MB in the beginning and 77.0MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 796.82ms. Allocated memory is still 144.7MB. Free memory was 102.7MB in the beginning and 91.4MB in the end (delta: 11.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.75ms. Allocated memory is still 144.7MB. Free memory was 91.4MB in the beginning and 88.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.38ms. Allocated memory is still 144.7MB. Free memory was 88.1MB in the beginning and 86.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.38ms. Allocated memory is still 144.7MB. Free memory was 86.9MB in the beginning and 69.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4777.65ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 69.2MB in the beginning and 115.7MB in the end (delta: -46.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 56.50ms. Allocated memory is still 174.1MB. Free memory was 115.7MB in the beginning and 112.5MB 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 02:25:51,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109c8159-7d2e-451f-aadb-6212ef0b552d/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