./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_21_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_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e5a636e5e98a4165b0e69c224cc3b1edf95c468e1af4c8f631d6382dba41da87 --- 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 [2022-12-13 20:01:58,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:01:58,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:01:58,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:01:58,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:01:58,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:01:58,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:01:58,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:01:58,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:01:58,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:01:58,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:01:58,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:01:58,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:01:58,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:01:58,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:01:58,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:01:58,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:01:58,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:01:58,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:01:58,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:01:58,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:01:58,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:01:58,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:01:58,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:01:58,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:01:58,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:01:58,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:01:58,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:01:58,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:01:58,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:01:58,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:01:58,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:01:58,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:01:58,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:01:58,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:01:58,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:01:58,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:01:58,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:01:58,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:01:58,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:01:58,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:01:58,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 20:01:58,100 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:01:58,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:01:58,100 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:01:58,100 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:01:58,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:01:58,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:01:58,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:01:58,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:01:58,102 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:01:58,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:01:58,102 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:01:58,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:01:58,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:01:58,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:01:58,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:01:58,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:01:58,103 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:01:58,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:01:58,103 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:01:58,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:01:58,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:01:58,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:01:58,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:01:58,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:01:58,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:01:58,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:01:58,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:01:58,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:01:58,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:01:58,105 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:01:58,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:01:58,106 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:01:58,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:01:58,106 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:01:58,106 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5a636e5e98a4165b0e69c224cc3b1edf95c468e1af4c8f631d6382dba41da87 [2022-12-13 20:01:58,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:01:58,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:01:58,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:01:58,322 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:01:58,322 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:01:58,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_21_bad.i [2022-12-13 20:02:00,852 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:02:01,124 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:02:01,124 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_21_bad.i [2022-12-13 20:02:01,141 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/data/be76ce288/6844541f5038472e957844b7b7b87653/FLAG070795b20 [2022-12-13 20:02:01,422 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/data/be76ce288/6844541f5038472e957844b7b7b87653 [2022-12-13 20:02:01,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:02:01,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:02:01,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:02:01,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:02:01,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:02:01,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:02:01" (1/1) ... [2022-12-13 20:02:01,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a783ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:01, skipping insertion in model container [2022-12-13 20:02:01,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:02:01" (1/1) ... [2022-12-13 20:02:01,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:02:01,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:02:01,687 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:02:01,987 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:02:01,991 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:02:01,992 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:02:01,994 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:02:01,995 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:02:02,017 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:02:02,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:02:02,024 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:02:02,043 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:02:02,089 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:02:02,090 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:02:02,091 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:02:02,093 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:02:02,094 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:02:02,099 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:02:02,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:02:02,213 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:02:02,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:02 WrapperNode [2022-12-13 20:02:02,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:02:02,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:02:02,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:02:02,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:02:02,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:02" (1/1) ... [2022-12-13 20:02:02,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:02" (1/1) ... [2022-12-13 20:02:02,257 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2022-12-13 20:02:02,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:02:02,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:02:02,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:02:02,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:02:02,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:02" (1/1) ... [2022-12-13 20:02:02,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:02" (1/1) ... [2022-12-13 20:02:02,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:02" (1/1) ... [2022-12-13 20:02:02,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:02" (1/1) ... [2022-12-13 20:02:02,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:02" (1/1) ... [2022-12-13 20:02:02,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:02" (1/1) ... [2022-12-13 20:02:02,280 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:02" (1/1) ... [2022-12-13 20:02:02,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:02" (1/1) ... [2022-12-13 20:02:02,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:02:02,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:02:02,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:02:02,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:02:02,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:02" (1/1) ... [2022-12-13 20:02:02,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:02:02,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:02:02,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:02:02,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:02:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 20:02:02,344 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 20:02:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:02:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:02:02,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:02:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 20:02:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:02:02,446 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:02:02,447 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:02:02,525 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:02:02,530 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:02:02,530 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:02:02,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:02:02 BoogieIcfgContainer [2022-12-13 20:02:02,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:02:02,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:02:02,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:02:02,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:02:02,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:02:01" (1/3) ... [2022-12-13 20:02:02,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717e1ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:02:02, skipping insertion in model container [2022-12-13 20:02:02,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:02" (2/3) ... [2022-12-13 20:02:02,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717e1ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:02:02, skipping insertion in model container [2022-12-13 20:02:02,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:02:02" (3/3) ... [2022-12-13 20:02:02,539 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_21_bad.i [2022-12-13 20:02:02,555 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:02:02,555 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 20:02:02,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:02:02,596 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a099b68, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:02:02,596 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 20:02:02,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 20:02:02,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 20:02:02,605 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:02:02,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:02:02,606 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:02:02,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:02,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2022-12-13 20:02:02,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:02:02,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428276114] [2022-12-13 20:02:02,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:02:02,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:02:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:02:02,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:02:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:02:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:02:02,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:02:02,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428276114] [2022-12-13 20:02:02,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428276114] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:02:02,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:02:02,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:02:02,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915807483] [2022-12-13 20:02:02,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:02:02,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:02:02,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:02:02,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:02:02,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:02:02,879 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:02:02,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:02:02,908 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2022-12-13 20:02:02,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:02:02,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-12-13 20:02:02,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:02:02,916 INFO L225 Difference]: With dead ends: 32 [2022-12-13 20:02:02,917 INFO L226 Difference]: Without dead ends: 12 [2022-12-13 20:02:02,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:02:02,922 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 11 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:02:02,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 42 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:02:02,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-12-13 20:02:02,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-12-13 20:02:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:02:02,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-13 20:02:02,951 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2022-12-13 20:02:02,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:02:02,951 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-12-13 20:02:02,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:02:02,952 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-13 20:02:02,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 20:02:02,952 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:02:02,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:02:02,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:02:02,953 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:02:02,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:02,954 INFO L85 PathProgramCache]: Analyzing trace with hash 51470816, now seen corresponding path program 1 times [2022-12-13 20:02:02,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:02:02,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110944918] [2022-12-13 20:02:02,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:02:02,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:02:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:02:02,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:02:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:02:02,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:02:02,999 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:02:03,000 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 20:02:03,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 20:02:03,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:02:03,004 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 20:02:03,007 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:02:03,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:02:03 BoogieIcfgContainer [2022-12-13 20:02:03,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:02:03,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:02:03,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:02:03,023 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:02:03,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:02:02" (3/4) ... [2022-12-13 20:02:03,025 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 20:02:03,051 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:02:03,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:02:03,052 INFO L158 Benchmark]: Toolchain (without parser) took 1627.69ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 79.0MB in the beginning and 82.8MB in the end (delta: -3.8MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2022-12-13 20:02:03,052 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:02:03,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 788.83ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 78.7MB in the beginning and 86.1MB in the end (delta: -7.4MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2022-12-13 20:02:03,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.57ms. Allocated memory is still 151.0MB. Free memory was 85.4MB in the beginning and 82.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:02:03,053 INFO L158 Benchmark]: Boogie Preprocessor took 26.29ms. Allocated memory is still 151.0MB. Free memory was 82.6MB in the beginning and 81.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:02:03,054 INFO L158 Benchmark]: RCFGBuilder took 246.39ms. Allocated memory is still 151.0MB. Free memory was 81.2MB in the beginning and 70.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 20:02:03,054 INFO L158 Benchmark]: TraceAbstraction took 488.02ms. Allocated memory is still 151.0MB. Free memory was 69.4MB in the beginning and 84.9MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:02:03,054 INFO L158 Benchmark]: Witness Printer took 29.03ms. Allocated memory is still 151.0MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:02:03,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 788.83ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 78.7MB in the beginning and 86.1MB in the end (delta: -7.4MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.57ms. Allocated memory is still 151.0MB. Free memory was 85.4MB in the beginning and 82.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.29ms. Allocated memory is still 151.0MB. Free memory was 82.6MB in the beginning and 81.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 246.39ms. Allocated memory is still 151.0MB. Free memory was 81.2MB in the beginning and 70.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 488.02ms. Allocated memory is still 151.0MB. Free memory was 69.4MB in the beginning and 84.9MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 29.03ms. Allocated memory is still 151.0MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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; 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] [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)=2147483649, argc=2147483649, argv={2147483648:2147483650}, argv={2147483648:2147483650}, 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_max_postinc_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = 0x7fffffff [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data++ VAL [\old(data)=2147483647, badStatic=1, data=2147483647, 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] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 17 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 20:02:03,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4c9a4-68d3-4a50-a90e-0609f73185e4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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)