./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/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_1e78c248-506e-4020-877d-f98190070730/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/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_1e78c248-506e-4020-877d-f98190070730/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 1137b369345db06c5eaf7c66bcea315dec7b86dcc0a4a1a86123e8dbab152506 --- 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 18:57:42,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:57:42,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:57:42,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:57:42,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:57:42,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:57:42,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:57:42,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:57:42,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:57:42,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:57:42,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:57:42,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:57:42,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:57:42,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:57:42,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:57:42,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:57:42,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:57:42,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:57:42,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:57:42,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:57:42,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:57:42,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:57:42,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:57:42,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:57:42,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:57:42,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:57:42,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:57:42,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:57:42,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:57:42,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:57:42,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:57:42,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:57:42,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:57:42,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:57:42,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:57:42,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:57:42,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:57:42,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:57:42,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:57:42,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:57:42,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:57:42,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:57:42,633 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:57:42,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:57:42,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:57:42,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:57:42,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:57:42,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:57:42,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:57:42,635 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:57:42,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:57:42,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:57:42,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:57:42,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:57:42,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:57:42,636 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:57:42,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:57:42,636 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:57:42,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:57:42,636 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:57:42,636 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:57:42,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:57:42,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:57:42,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:57:42,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:57:42,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:57:42,637 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:57:42,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:57:42,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:57:42,637 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_1e78c248-506e-4020-877d-f98190070730/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1137b369345db06c5eaf7c66bcea315dec7b86dcc0a4a1a86123e8dbab152506 [2022-12-14 18:57:42,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:57:42,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:57:42,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:57:42,820 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:57:42,821 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:57:42,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_good.i [2022-12-14 18:57:45,374 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:57:45,625 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:57:45,625 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_good.i [2022-12-14 18:57:45,643 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/bin/ukojak-rkRKPMF4O4/data/18ec86e32/7feaaf1b0f5447eea8906e43c38668bc/FLAG41c0bc439 [2022-12-14 18:57:45,927 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/bin/ukojak-rkRKPMF4O4/data/18ec86e32/7feaaf1b0f5447eea8906e43c38668bc [2022-12-14 18:57:45,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:57:45,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:57:45,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:57:45,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:57:45,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:57:45,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:57:45" (1/1) ... [2022-12-14 18:57:45,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3692ada2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:45, skipping insertion in model container [2022-12-14 18:57:45,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:57:45" (1/1) ... [2022-12-14 18:57:45,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:57:45,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:57:46,219 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:57:46,495 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:57:46,499 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:57:46,501 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:57:46,502 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:57:46,503 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:57:46,518 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:57:46,523 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:57:46,529 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:57:46,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:57:46,538 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:57:46,552 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:57:46,583 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:57:46,585 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:57:46,586 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:57:46,587 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:57:46,588 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:57:46,591 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:57:46,594 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:57:46,597 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:57:46,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:57:46,670 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:57:46,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:46 WrapperNode [2022-12-14 18:57:46,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:57:46,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:57:46,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:57:46,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:57:46,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:46" (1/1) ... [2022-12-14 18:57:46,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:46" (1/1) ... [2022-12-14 18:57:46,708 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 107 [2022-12-14 18:57:46,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:57:46,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:57:46,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:57:46,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:57:46,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:46" (1/1) ... [2022-12-14 18:57:46,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:46" (1/1) ... [2022-12-14 18:57:46,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:46" (1/1) ... [2022-12-14 18:57:46,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:46" (1/1) ... [2022-12-14 18:57:46,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:46" (1/1) ... [2022-12-14 18:57:46,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:46" (1/1) ... [2022-12-14 18:57:46,724 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:46" (1/1) ... [2022-12-14 18:57:46,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:46" (1/1) ... [2022-12-14 18:57:46,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:57:46,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:57:46,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:57:46,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:57:46,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:46" (1/1) ... [2022-12-14 18:57:46,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:57:46,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:57:46,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:57:46,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:57:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 18:57:46,774 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 18:57:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 18:57:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 18:57:46,775 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 18:57:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:57:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 18:57:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:57:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:57:46,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:57:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:57:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 18:57:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:57:46,876 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:57:46,878 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:57:47,030 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:57:47,052 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:57:47,053 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:57:47,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:57:47 BoogieIcfgContainer [2022-12-14 18:57:47,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:57:47,055 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:57:47,055 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:57:47,062 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:57:47,062 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:57:47" (1/1) ... [2022-12-14 18:57:47,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:57:47,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-14 18:57:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-14 18:57:47,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:57:47,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:47,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:47,251 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 18:57:47,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:47,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 72 transitions. [2022-12-14 18:57:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 18:57:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:57:47,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:47,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:47,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:57:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:47,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 71 transitions. [2022-12-14 18:57:47,365 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-14 18:57:47,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:57:47,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:47,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:47,427 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 18:57:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:47,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 78 transitions. [2022-12-14 18:57:47,485 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-14 18:57:47,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:57:47,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:47,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:57:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:47,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 70 transitions. [2022-12-14 18:57:47,622 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-14 18:57:47,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:57:47,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:47,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:57:47,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:47,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 72 transitions. [2022-12-14 18:57:47,734 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 18:57:47,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:57:47,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:47,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:47,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:57:47,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:47,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 75 transitions. [2022-12-14 18:57:47,786 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-12-14 18:57:47,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:57:47,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:47,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:57:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:47,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 69 transitions. [2022-12-14 18:57:47,828 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-12-14 18:57:47,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:57:47,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:47,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:47,859 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 18:57:47,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:47,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 50 states and 66 transitions. [2022-12-14 18:57:47,934 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-14 18:57:47,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:57:47,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:47,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:47,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:57:48,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 65 transitions. [2022-12-14 18:57:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2022-12-14 18:57:48,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:57:48,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:48,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:48,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:57:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:48,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 72 transitions. [2022-12-14 18:57:48,124 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2022-12-14 18:57:48,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:57:48,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:48,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:48,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:57:48,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:48,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 74 transitions. [2022-12-14 18:57:48,231 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2022-12-14 18:57:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:57:48,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:48,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:57:48,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:48,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 66 transitions. [2022-12-14 18:57:48,372 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-14 18:57:48,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 18:57:48,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:48,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:57:48,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:48,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 48 states and 63 transitions. [2022-12-14 18:57:48,457 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-14 18:57:48,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 18:57:48,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:48,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:48,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:57:48,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:48,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 50 states and 67 transitions. [2022-12-14 18:57:48,546 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-14 18:57:48,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:57:48,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:48,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:48,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:57:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 53 states and 72 transitions. [2022-12-14 18:57:48,656 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 18:57:48,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 18:57:48,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:48,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:57:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:48,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 55 states and 74 transitions. [2022-12-14 18:57:48,701 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2022-12-14 18:57:48,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 18:57:48,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:48,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:48,729 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:57:48,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:48,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 56 states and 75 transitions. [2022-12-14 18:57:48,820 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2022-12-14 18:57:48,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 18:57:48,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:48,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:57:48,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:48,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 45 states and 57 transitions. [2022-12-14 18:57:48,954 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-12-14 18:57:48,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 18:57:48,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:48,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:57:49,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 44 states and 56 transitions. [2022-12-14 18:57:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-14 18:57:49,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 18:57:49,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:49,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:57:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:49,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 43 states and 55 transitions. [2022-12-14 18:57:49,313 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-14 18:57:49,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:57:49,313 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-12-14 18:57:49,319 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 18:57:49,431 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:57:49,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:57:49 ImpRootNode [2022-12-14 18:57:49,435 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:57:49,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:57:49,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:57:49,436 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:57:49,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:57:47" (3/4) ... [2022-12-14 18:57:49,438 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:57:49,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 18:57:49,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 18:57:49,445 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 18:57:49,445 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 18:57:49,445 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 18:57:49,446 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:57:49,446 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:57:49,487 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:57:49,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:57:49,488 INFO L158 Benchmark]: Toolchain (without parser) took 3556.51ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 65.1MB in the beginning and 80.2MB in the end (delta: -15.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-12-14 18:57:49,488 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:57:49,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.29ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 64.8MB in the beginning and 108.6MB in the end (delta: -43.9MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2022-12-14 18:57:49,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.08ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 105.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:57:49,489 INFO L158 Benchmark]: Boogie Preprocessor took 17.81ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:57:49,489 INFO L158 Benchmark]: RCFGBuilder took 327.79ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 85.5MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 18:57:49,489 INFO L158 Benchmark]: CodeCheck took 2380.05ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 84.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2022-12-14 18:57:49,490 INFO L158 Benchmark]: Witness Printer took 52.26ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 80.2MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:57:49,491 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, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2739 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 814 mSDsluCounter, 2168 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 674 mSDsCounter, 512 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1899 IncrementalHoareTripleChecker+Invalid, 2411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 512 mSolverCounterUnsat, 1494 mSDtfsCounter, 1899 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4043 GetRequests, 3967 SyntacticMatches, 10 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1764 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 422 ConstructedInterpolants, 0 QuantifiedInterpolants, 850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 78/78 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.29ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 64.8MB in the beginning and 108.6MB in the end (delta: -43.9MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.08ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 105.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.81ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.79ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 85.5MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2380.05ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 84.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. * Witness Printer took 52.26ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 80.2MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:57:49,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e78c248-506e-4020-877d-f98190070730/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