./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_17_bad.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_620de8ca-71e7-43be-b4a4-401d7528b976/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620de8ca-71e7-43be-b4a4-401d7528b976/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_620de8ca-71e7-43be-b4a4-401d7528b976/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620de8ca-71e7-43be-b4a4-401d7528b976/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620de8ca-71e7-43be-b4a4-401d7528b976/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_620de8ca-71e7-43be-b4a4-401d7528b976/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 5a345d1cea2447ad34381dce7c6b0396a6be65a08e2f7b16f8235d714651fcda --- 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 22:43:15,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:43:15,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:43:15,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:43:15,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:43:15,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:43:15,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:43:15,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:43:15,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:43:15,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:43:15,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:43:15,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:43:15,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:43:15,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:43:15,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:43:15,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:43:15,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:43:15,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:43:15,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:43:15,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:43:15,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:43:15,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:43:15,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:43:15,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:43:15,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:43:15,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:43:15,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:43:15,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:43:15,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:43:15,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:43:15,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:43:15,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:43:15,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:43:15,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:43:15,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:43:15,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:43:15,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:43:15,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:43:15,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:43:15,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:43:15,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:43:15,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620de8ca-71e7-43be-b4a4-401d7528b976/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 22:43:15,882 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:43:15,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:43:15,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:43:15,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:43:15,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:43:15,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:43:15,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:43:15,884 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:43:15,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:43:15,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:43:15,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:43:15,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:43:15,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:43:15,894 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 22:43:15,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:43:15,894 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:43:15,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:43:15,894 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:43:15,894 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:43:15,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:43:15,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:43:15,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:43:15,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:43:15,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:43:15,896 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:43:15,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:43:15,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:43:15,896 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_620de8ca-71e7-43be-b4a4-401d7528b976/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620de8ca-71e7-43be-b4a4-401d7528b976/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a345d1cea2447ad34381dce7c6b0396a6be65a08e2f7b16f8235d714651fcda [2022-12-14 22:43:16,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:43:16,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:43:16,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:43:16,107 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:43:16,108 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:43:16,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620de8ca-71e7-43be-b4a4-401d7528b976/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_17_bad.i [2022-12-14 22:43:18,620 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:43:18,837 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:43:18,838 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620de8ca-71e7-43be-b4a4-401d7528b976/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_17_bad.i [2022-12-14 22:43:18,851 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620de8ca-71e7-43be-b4a4-401d7528b976/bin/ukojak-rkRKPMF4O4/data/075a29f2d/4e2252f86a1b425c916cddb1167b5f15/FLAG69949667f [2022-12-14 22:43:19,181 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620de8ca-71e7-43be-b4a4-401d7528b976/bin/ukojak-rkRKPMF4O4/data/075a29f2d/4e2252f86a1b425c916cddb1167b5f15 [2022-12-14 22:43:19,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:43:19,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:43:19,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:43:19,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:43:19,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:43:19,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:43:19" (1/1) ... [2022-12-14 22:43:19,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308c9bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:19, skipping insertion in model container [2022-12-14 22:43:19,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:43:19" (1/1) ... [2022-12-14 22:43:19,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:43:19,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:43:19,474 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 22:43:19,835 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 22:43:19,852 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:43:19,853 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:43:19,855 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:43:19,855 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:43:19,871 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 22:43:19,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:43:19,879 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:43:19,899 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 22:43:19,931 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 22:43:19,933 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:43:19,933 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:43:19,935 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:43:19,936 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:43:19,939 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 22:43:19,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:43:20,022 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:43:20,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:20 WrapperNode [2022-12-14 22:43:20,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:43:20,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:43:20,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:43:20,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:43:20,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:20" (1/1) ... [2022-12-14 22:43:20,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:20" (1/1) ... [2022-12-14 22:43:20,073 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-12-14 22:43:20,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:43:20,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:43:20,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:43:20,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:43:20,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:20" (1/1) ... [2022-12-14 22:43:20,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:20" (1/1) ... [2022-12-14 22:43:20,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:20" (1/1) ... [2022-12-14 22:43:20,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:20" (1/1) ... [2022-12-14 22:43:20,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:20" (1/1) ... [2022-12-14 22:43:20,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:20" (1/1) ... [2022-12-14 22:43:20,093 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:20" (1/1) ... [2022-12-14 22:43:20,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:20" (1/1) ... [2022-12-14 22:43:20,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:43:20,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:43:20,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:43:20,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:43:20,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:20" (1/1) ... [2022-12-14 22:43:20,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:43:20,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620de8ca-71e7-43be-b4a4-401d7528b976/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:43:20,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620de8ca-71e7-43be-b4a4-401d7528b976/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:43:20,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620de8ca-71e7-43be-b4a4-401d7528b976/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:43:20,160 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 22:43:20,160 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 22:43:20,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:43:20,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:43:20,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:43:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 22:43:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:43:20,264 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:43:20,266 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:43:20,359 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:43:20,390 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:43:20,390 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 22:43:20,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:43:20 BoogieIcfgContainer [2022-12-14 22:43:20,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:43:20,394 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:43:20,394 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:43:20,403 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:43:20,404 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:43:20" (1/1) ... [2022-12-14 22:43:20,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:43:20,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:43:20,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-12-14 22:43:20,450 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-12-14 22:43:20,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 22:43:20,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:43:20,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:43:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:43:20,652 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 22:43:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:43:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2022-12-14 22:43:20,690 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-12-14 22:43:20,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:43:20,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:43:20,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:43:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:43:20,735 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 22:43:20,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:43:20,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2022-12-14 22:43:20,748 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-14 22:43:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 22:43:20,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:43:20,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:43:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:43:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:43:20,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:43:20,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2022-12-14 22:43:20,835 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-12-14 22:43:20,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 22:43:20,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:43:20,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:43:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:43:20,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:43:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:43:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:43:20,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:43:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:43:20,914 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-12-14 22:43:20,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:43:20 ImpRootNode [2022-12-14 22:43:20,937 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:43:20,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:43:20,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:43:20,938 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:43:20,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:43:20" (3/4) ... [2022-12-14 22:43:20,940 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 22:43:20,979 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620de8ca-71e7-43be-b4a4-401d7528b976/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:43:20,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:43:20,980 INFO L158 Benchmark]: Toolchain (without parser) took 1792.84ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 59.8MB in the beginning and 79.2MB in the end (delta: -19.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-12-14 22:43:20,980 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:43:20,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 833.71ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 59.8MB in the beginning and 89.6MB in the end (delta: -29.8MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2022-12-14 22:43:20,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.79ms. Allocated memory is still 159.4MB. Free memory was 89.6MB in the beginning and 86.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 22:43:20,981 INFO L158 Benchmark]: Boogie Preprocessor took 21.87ms. Allocated memory is still 159.4MB. Free memory was 86.7MB in the beginning and 84.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:43:20,982 INFO L158 Benchmark]: RCFGBuilder took 297.03ms. Allocated memory is still 159.4MB. Free memory was 84.6MB in the beginning and 123.2MB in the end (delta: -38.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-12-14 22:43:20,982 INFO L158 Benchmark]: CodeCheck took 543.10ms. Allocated memory is still 159.4MB. Free memory was 123.2MB in the beginning and 81.3MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-12-14 22:43:20,982 INFO L158 Benchmark]: Witness Printer took 41.62ms. Allocated memory is still 159.4MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:43:20,984 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, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 15 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 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, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 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: 1560]: 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); [L1568] CALL printLine("Calling bad()...") VAL [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) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_sub_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1555] data = (-0x7fffffff - 1) [L1553] i++ VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1557] COND TRUE j < 1 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1560] data - 1 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 833.71ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 59.8MB in the beginning and 89.6MB in the end (delta: -29.8MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.79ms. Allocated memory is still 159.4MB. Free memory was 89.6MB in the beginning and 86.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.87ms. Allocated memory is still 159.4MB. Free memory was 86.7MB in the beginning and 84.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.03ms. Allocated memory is still 159.4MB. Free memory was 84.6MB in the beginning and 123.2MB in the end (delta: -38.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * CodeCheck took 543.10ms. Allocated memory is still 159.4MB. Free memory was 123.2MB in the beginning and 81.3MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 41.62ms. Allocated memory is still 159.4MB. Free memory was 81.3MB in the beginning and 79.2MB 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 22:43:20,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620de8ca-71e7-43be-b4a4-401d7528b976/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)