./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_21_bad.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_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/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_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/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_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/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 00d522bfe879f1f0ed8fd180626c6a24792d1fce5e2336bb382c6b78bf3c8b63 --- 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 18:44:34,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:44:34,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:44:34,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:44:34,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:44:34,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:44:34,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:44:34,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:44:34,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:44:34,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:44:34,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:44:34,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:44:34,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:44:34,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:44:34,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:44:34,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:44:34,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:44:34,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:44:34,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:44:34,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:44:34,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:44:34,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:44:34,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:44:34,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:44:34,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:44:34,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:44:34,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:44:34,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:44:34,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:44:34,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:44:34,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:44:34,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:44:34,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:44:34,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:44:34,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:44:34,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:44:34,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:44:34,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:44:34,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:44:34,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:44:34,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:44:34,766 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:44:34,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:44:34,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:44:34,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:44:34,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:44:34,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:44:34,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:44:34,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:44:34,781 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:44:34,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:44:34,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:44:34,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:44:34,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:44:34,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:44:34,782 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:44:34,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:44:34,782 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:44:34,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:44:34,782 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:44:34,782 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:44:34,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:44:34,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:44:34,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:44:34,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:44:34,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:44:34,783 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:44:34,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:44:34,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:44:34,783 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_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00d522bfe879f1f0ed8fd180626c6a24792d1fce5e2336bb382c6b78bf3c8b63 [2022-12-14 18:44:34,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:44:34,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:44:34,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:44:34,987 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:44:34,988 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:44:34,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_21_bad.i [2022-12-14 18:44:37,470 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:44:37,721 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:44:37,721 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_21_bad.i [2022-12-14 18:44:37,736 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/bin/ukojak-rkRKPMF4O4/data/fd46160e5/ee19ec1369fb4a188aa04d93a6aeccd1/FLAG6c2a7e815 [2022-12-14 18:44:38,050 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/bin/ukojak-rkRKPMF4O4/data/fd46160e5/ee19ec1369fb4a188aa04d93a6aeccd1 [2022-12-14 18:44:38,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:44:38,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:44:38,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:44:38,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:44:38,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:44:38,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:44:38" (1/1) ... [2022-12-14 18:44:38,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43988806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:38, skipping insertion in model container [2022-12-14 18:44:38,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:44:38" (1/1) ... [2022-12-14 18:44:38,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:44:38,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:44:38,329 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:44:38,625 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:44:38,629 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:44:38,630 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:44:38,632 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:44:38,632 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:44:38,652 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:44:38,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:44:38,660 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:44:38,673 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:44:38,705 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:44:38,706 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:44:38,707 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:44:38,708 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:44:38,709 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:44:38,712 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:44:38,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:44:38,814 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:44:38,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:38 WrapperNode [2022-12-14 18:44:38,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:44:38,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:44:38,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:44:38,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:44:38,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:38" (1/1) ... [2022-12-14 18:44:38,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:38" (1/1) ... [2022-12-14 18:44:38,859 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2022-12-14 18:44:38,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:44:38,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:44:38,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:44:38,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:44:38,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:38" (1/1) ... [2022-12-14 18:44:38,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:38" (1/1) ... [2022-12-14 18:44:38,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:38" (1/1) ... [2022-12-14 18:44:38,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:38" (1/1) ... [2022-12-14 18:44:38,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:38" (1/1) ... [2022-12-14 18:44:38,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:38" (1/1) ... [2022-12-14 18:44:38,877 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:38" (1/1) ... [2022-12-14 18:44:38,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:38" (1/1) ... [2022-12-14 18:44:38,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:44:38,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:44:38,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:44:38,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:44:38,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:38" (1/1) ... [2022-12-14 18:44:38,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:44:38,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:44:38,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:44:38,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:44:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 18:44:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 18:44:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:44:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:44:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:44:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:44:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:44:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:44:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 18:44:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:44:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:44:39,046 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:44:39,048 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:44:39,146 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:44:39,169 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:44:39,170 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:44:39,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:44:39 BoogieIcfgContainer [2022-12-14 18:44:39,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:44:39,172 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:44:39,172 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:44:39,180 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:44:39,180 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:44:39" (1/1) ... [2022-12-14 18:44:39,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:44:39,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:44:39,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-12-14 18:44:39,228 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 18:44:39,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:44:39,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:44:39,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:44:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:44:39,515 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 18:44:39,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:44:39,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-12-14 18:44:39,544 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 18:44:39,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:44:39,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:44:39,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:44:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:44:39,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 18:44:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:44:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:44:39,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 18:44:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:44:39,635 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-12-14 18:44:39,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:44:39 ImpRootNode [2022-12-14 18:44:39,654 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:44:39,654 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:44:39,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:44:39,655 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:44:39,655 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:44:39" (3/4) ... [2022-12-14 18:44:39,656 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 18:44:39,683 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:44:39,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:44:39,684 INFO L158 Benchmark]: Toolchain (without parser) took 1630.67ms. Allocated memory is still 125.8MB. Free memory was 89.2MB in the beginning and 60.2MB in the end (delta: 29.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-12-14 18:44:39,684 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:44:39,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.60ms. Allocated memory is still 125.8MB. Free memory was 88.8MB in the beginning and 72.8MB in the end (delta: 16.0MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2022-12-14 18:44:39,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.49ms. Allocated memory is still 125.8MB. Free memory was 72.8MB in the beginning and 70.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:44:39,685 INFO L158 Benchmark]: Boogie Preprocessor took 19.63ms. Allocated memory is still 125.8MB. Free memory was 70.1MB in the beginning and 68.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:44:39,685 INFO L158 Benchmark]: RCFGBuilder took 292.03ms. Allocated memory is still 125.8MB. Free memory was 67.9MB in the beginning and 53.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:44:39,686 INFO L158 Benchmark]: CodeCheck took 481.69ms. Allocated memory is still 125.8MB. Free memory was 53.9MB in the beginning and 62.7MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:44:39,686 INFO L158 Benchmark]: Witness Printer took 28.61ms. Allocated memory is still 125.8MB. Free memory was 62.3MB in the beginning and 60.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:44:39,688 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 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 1554]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [badStatic=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=16, argc=16, argv={14:34}, argv={14:34}, badStatic=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fscanf_preinc_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] EXPR \read(data) [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [\old(data)=2147483647, badStatic=1, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] ++data VAL [\old(data)=2147483647, badStatic=1, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 760.60ms. Allocated memory is still 125.8MB. Free memory was 88.8MB in the beginning and 72.8MB in the end (delta: 16.0MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.49ms. Allocated memory is still 125.8MB. Free memory was 72.8MB in the beginning and 70.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.63ms. Allocated memory is still 125.8MB. Free memory was 70.1MB in the beginning and 68.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.03ms. Allocated memory is still 125.8MB. Free memory was 67.9MB in the beginning and 53.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 481.69ms. Allocated memory is still 125.8MB. Free memory was 53.9MB in the beginning and 62.7MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 28.61ms. Allocated memory is still 125.8MB. Free memory was 62.3MB in the beginning and 60.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 18:44:39,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f54b955-c2df-4aae-9a24-0ce9ec2be4a9/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)