./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_02_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_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/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_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/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_eab34bf1-d714-4529-9fbd-26317a664ed3/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 bb1002f65f4a1a7ec89f1e2dd1cca649b92cab599f7c73e1212e6e56df8d6070 --- 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 19:35:09,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:35:09,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:35:09,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:35:09,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:35:09,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:35:09,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:35:09,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:35:09,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:35:09,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:35:09,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:35:09,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:35:09,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:35:09,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:35:09,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:35:09,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:35:09,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:35:09,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:35:09,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:35:09,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:35:09,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:35:10,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:35:10,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:35:10,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:35:10,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:35:10,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:35:10,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:35:10,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:35:10,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:35:10,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:35:10,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:35:10,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:35:10,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:35:10,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:35:10,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:35:10,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:35:10,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:35:10,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:35:10,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:35:10,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:35:10,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:35:10,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 19:35:10,032 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:35:10,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:35:10,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:35:10,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:35:10,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:35:10,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:35:10,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:35:10,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:35:10,035 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:35:10,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:35:10,035 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:35:10,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:35:10,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:35:10,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:35:10,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:35:10,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:35:10,036 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:35:10,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:35:10,036 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:35:10,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:35:10,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:35:10,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:35:10,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:35:10,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:35:10,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:35:10,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:35:10,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:35:10,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:35:10,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:35:10,038 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:35:10,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:35:10,038 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:35:10,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:35:10,039 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:35:10,039 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_eab34bf1-d714-4529-9fbd-26317a664ed3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb1002f65f4a1a7ec89f1e2dd1cca649b92cab599f7c73e1212e6e56df8d6070 [2022-12-13 19:35:10,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:35:10,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:35:10,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:35:10,252 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:35:10,253 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:35:10,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_02_bad.i [2022-12-13 19:35:12,820 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:35:13,043 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:35:13,043 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_02_bad.i [2022-12-13 19:35:13,057 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/data/75c814c5b/185bc70a7f7a482eac70d62ea125d235/FLAG2baf742ba [2022-12-13 19:35:13,407 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/data/75c814c5b/185bc70a7f7a482eac70d62ea125d235 [2022-12-13 19:35:13,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:35:13,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:35:13,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:35:13,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:35:13,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:35:13,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:35:13" (1/1) ... [2022-12-13 19:35:13,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f2f63d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:13, skipping insertion in model container [2022-12-13 19:35:13,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:35:13" (1/1) ... [2022-12-13 19:35:13,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:35:13,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:35:13,711 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:35:14,012 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:35:14,017 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:35:14,019 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:35:14,021 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:35:14,022 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:35:14,044 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:35:14,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:35:14,053 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:35:14,069 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:35:14,106 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:35:14,108 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:35:14,109 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:35:14,111 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:35:14,111 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:35:14,115 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:35:14,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:35:14,219 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:35:14,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:14 WrapperNode [2022-12-13 19:35:14,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:35:14,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:35:14,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:35:14,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:35:14,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:14" (1/1) ... [2022-12-13 19:35:14,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:14" (1/1) ... [2022-12-13 19:35:14,261 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-12-13 19:35:14,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:35:14,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:35:14,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:35:14,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:35:14,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:14" (1/1) ... [2022-12-13 19:35:14,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:14" (1/1) ... [2022-12-13 19:35:14,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:14" (1/1) ... [2022-12-13 19:35:14,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:14" (1/1) ... [2022-12-13 19:35:14,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:14" (1/1) ... [2022-12-13 19:35:14,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:14" (1/1) ... [2022-12-13 19:35:14,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:14" (1/1) ... [2022-12-13 19:35:14,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:14" (1/1) ... [2022-12-13 19:35:14,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:35:14,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:35:14,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:35:14,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:35:14,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:14" (1/1) ... [2022-12-13 19:35:14,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:35:14,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:35:14,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:35:14,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:35:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 19:35:14,340 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 19:35:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:35:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:35:14,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:35:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 19:35:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:35:14,457 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:35:14,459 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:35:14,578 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:35:14,583 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:35:14,583 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 19:35:14,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:35:14 BoogieIcfgContainer [2022-12-13 19:35:14,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:35:14,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:35:14,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:35:14,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:35:14,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:35:13" (1/3) ... [2022-12-13 19:35:14,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ab87c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:35:14, skipping insertion in model container [2022-12-13 19:35:14,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:14" (2/3) ... [2022-12-13 19:35:14,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ab87c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:35:14, skipping insertion in model container [2022-12-13 19:35:14,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:35:14" (3/3) ... [2022-12-13 19:35:14,594 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_02_bad.i [2022-12-13 19:35:14,611 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:35:14,611 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 19:35:14,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:35:14,658 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;@395e86de, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:35:14,658 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 19:35:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 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 19:35:14,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 19:35:14,669 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:35:14,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:35:14,669 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 19:35:14,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:35:14,675 INFO L85 PathProgramCache]: Analyzing trace with hash 2051308032, now seen corresponding path program 1 times [2022-12-13 19:35:14,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:35:14,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757019827] [2022-12-13 19:35:14,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:35:14,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:35:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:35:14,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:35:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:35:14,837 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 19:35:14,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:35:14,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757019827] [2022-12-13 19:35:14,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757019827] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:35:14,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:35:14,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:35:14,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500006662] [2022-12-13 19:35:14,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:35:14,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:35:14,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:35:14,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:35:14,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:35:14,866 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 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 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 19:35:14,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:35:14,879 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2022-12-13 19:35:14,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:35:14,881 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 19:35:14,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:35:14,885 INFO L225 Difference]: With dead ends: 37 [2022-12-13 19:35:14,885 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 19:35:14,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:35:14,890 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:35:14,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:35:14,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 19:35:14,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 19:35:14,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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 19:35:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 19:35:14,916 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 10 [2022-12-13 19:35:14,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:35:14,916 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 19:35:14,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 19:35:14,916 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 19:35:14,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 19:35:14,917 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:35:14,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:35:14,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:35:14,917 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 19:35:14,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:35:14,918 INFO L85 PathProgramCache]: Analyzing trace with hash -83247131, now seen corresponding path program 1 times [2022-12-13 19:35:14,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:35:14,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767009416] [2022-12-13 19:35:14,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:35:14,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:35:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:35:15,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:35:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:35:15,052 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 19:35:15,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:35:15,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767009416] [2022-12-13 19:35:15,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767009416] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:35:15,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:35:15,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:35:15,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865987117] [2022-12-13 19:35:15,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:35:15,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:35:15,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:35:15,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:35:15,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:35:15,056 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 19:35:15,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:35:15,065 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2022-12-13 19:35:15,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:35:15,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) Word has length 12 [2022-12-13 19:35:15,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:35:15,066 INFO L225 Difference]: With dead ends: 15 [2022-12-13 19:35:15,066 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 19:35:15,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:35:15,067 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 5 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:35:15,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:35:15,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 19:35:15,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 19:35:15,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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 19:35:15,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 19:35:15,070 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 19:35:15,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:35:15,070 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 19:35:15,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 19:35:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 19:35:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 19:35:15,070 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:35:15,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:35:15,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:35:15,071 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 19:35:15,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:35:15,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1714306296, now seen corresponding path program 1 times [2022-12-13 19:35:15,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:35:15,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556963558] [2022-12-13 19:35:15,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:35:15,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:35:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:35:15,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:35:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:35:15,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:35:15,125 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 19:35:15,126 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 19:35:15,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 19:35:15,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:35:15,130 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 19:35:15,132 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:35:15,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:35:15 BoogieIcfgContainer [2022-12-13 19:35:15,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:35:15,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:35:15,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:35:15,150 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:35:15,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:35:14" (3/4) ... [2022-12-13 19:35:15,153 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 19:35:15,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:35:15,153 INFO L158 Benchmark]: Toolchain (without parser) took 1739.18ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 82.9MB in the beginning and 87.2MB in the end (delta: -4.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2022-12-13 19:35:15,154 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:35:15,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 803.59ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 82.9MB in the beginning and 93.9MB in the end (delta: -11.0MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-12-13 19:35:15,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.71ms. Allocated memory is still 157.3MB. Free memory was 93.9MB in the beginning and 90.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:35:15,155 INFO L158 Benchmark]: Boogie Preprocessor took 17.68ms. Allocated memory is still 157.3MB. Free memory was 90.6MB in the beginning and 89.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:35:15,155 INFO L158 Benchmark]: RCFGBuilder took 305.77ms. Allocated memory is still 157.3MB. Free memory was 89.5MB in the beginning and 76.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 19:35:15,155 INFO L158 Benchmark]: TraceAbstraction took 561.57ms. Allocated memory is still 157.3MB. Free memory was 75.0MB in the beginning and 87.2MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:35:15,155 INFO L158 Benchmark]: Witness Printer took 3.02ms. Allocated memory is still 157.3MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:35:15,157 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 803.59ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 82.9MB in the beginning and 93.9MB in the end (delta: -11.0MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.71ms. Allocated memory is still 157.3MB. Free memory was 93.9MB in the beginning and 90.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.68ms. Allocated memory is still 157.3MB. Free memory was 90.6MB in the beginning and 89.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.77ms. Allocated memory is still 157.3MB. Free memory was 89.5MB in the beginning and 76.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 561.57ms. Allocated memory is still 157.3MB. Free memory was 75.0MB in the beginning and 87.2MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.02ms. Allocated memory is still 157.3MB. Free memory is still 87.2MB. There was no memory consumed. 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 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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)=2147483649, argc=2147483649, argv={2147483648:2147483650}, argv={2147483648:2147483650}, 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 CWE190_Integer_Overflow__int_rand_preinc_02_bad() [L1550] int data; [L1551] data = 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] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 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, rand()=2147483647, rand()=65535, rand()=4, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] ++data VAL [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: 1559]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 37 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 could not prove your program: unable to determine feasibility of some traces [2022-12-13 19:35:15,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/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_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/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 bb1002f65f4a1a7ec89f1e2dd1cca649b92cab599f7c73e1212e6e56df8d6070 --- 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 19:35:16,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:35:16,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:35:16,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:35:16,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:35:16,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:35:16,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:35:16,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:35:16,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:35:16,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:35:16,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:35:16,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:35:16,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:35:16,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:35:16,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:35:16,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:35:16,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:35:16,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:35:16,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:35:16,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:35:16,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:35:16,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:35:16,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:35:16,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:35:16,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:35:16,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:35:16,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:35:16,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:35:16,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:35:16,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:35:16,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:35:16,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:35:16,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:35:16,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:35:16,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:35:16,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:35:16,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:35:16,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:35:16,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:35:16,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:35:16,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:35:16,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 19:35:16,855 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:35:16,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:35:16,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:35:16,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:35:16,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:35:16,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:35:16,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:35:16,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:35:16,857 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:35:16,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:35:16,857 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:35:16,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:35:16,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:35:16,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:35:16,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:35:16,858 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 19:35:16,858 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 19:35:16,858 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:35:16,858 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 19:35:16,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:35:16,858 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:35:16,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:35:16,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:35:16,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:35:16,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:35:16,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:35:16,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:35:16,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:35:16,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:35:16,859 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 19:35:16,859 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 19:35:16,863 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:35:16,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:35:16,864 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:35:16,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:35:16,864 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 19:35:16,864 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:35:16,865 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_eab34bf1-d714-4529-9fbd-26317a664ed3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb1002f65f4a1a7ec89f1e2dd1cca649b92cab599f7c73e1212e6e56df8d6070 [2022-12-13 19:35:17,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:35:17,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:35:17,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:35:17,112 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:35:17,112 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:35:17,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_02_bad.i [2022-12-13 19:35:19,665 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:35:19,863 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:35:19,864 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_02_bad.i [2022-12-13 19:35:19,877 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/data/e60503528/781586cd78424904bb67c1673696c749/FLAG82fec8acc [2022-12-13 19:35:19,889 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/data/e60503528/781586cd78424904bb67c1673696c749 [2022-12-13 19:35:19,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:35:19,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:35:19,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:35:19,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:35:19,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:35:19,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:35:19" (1/1) ... [2022-12-13 19:35:19,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1e471b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:19, skipping insertion in model container [2022-12-13 19:35:19,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:35:19" (1/1) ... [2022-12-13 19:35:19,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:35:19,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:35:20,264 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:35:20,623 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:35:20,627 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:35:20,628 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:35:20,636 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:35:20,636 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:35:20,652 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:35:20,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:35:20,662 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:35:20,674 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:35:20,708 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:35:20,709 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:35:20,710 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:35:20,711 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:35:20,712 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:35:20,715 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:35:20,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:35:20,801 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:35:20,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:20 WrapperNode [2022-12-13 19:35:20,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:35:20,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:35:20,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:35:20,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:35:20,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:20" (1/1) ... [2022-12-13 19:35:20,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:20" (1/1) ... [2022-12-13 19:35:20,837 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-12-13 19:35:20,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:35:20,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:35:20,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:35:20,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:35:20,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:20" (1/1) ... [2022-12-13 19:35:20,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:20" (1/1) ... [2022-12-13 19:35:20,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:20" (1/1) ... [2022-12-13 19:35:20,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:20" (1/1) ... [2022-12-13 19:35:20,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:20" (1/1) ... [2022-12-13 19:35:20,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:20" (1/1) ... [2022-12-13 19:35:20,854 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:20" (1/1) ... [2022-12-13 19:35:20,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:20" (1/1) ... [2022-12-13 19:35:20,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:35:20,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:35:20,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:35:20,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:35:20,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:20" (1/1) ... [2022-12-13 19:35:20,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:35:20,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:35:20,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:35:20,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:35:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 19:35:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 19:35:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 19:35:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:35:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:35:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:35:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 19:35:21,014 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:35:21,016 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:35:21,114 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:35:21,118 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:35:21,118 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 19:35:21,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:35:21 BoogieIcfgContainer [2022-12-13 19:35:21,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:35:21,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:35:21,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:35:21,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:35:21,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:35:19" (1/3) ... [2022-12-13 19:35:21,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2015f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:35:21, skipping insertion in model container [2022-12-13 19:35:21,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:35:20" (2/3) ... [2022-12-13 19:35:21,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2015f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:35:21, skipping insertion in model container [2022-12-13 19:35:21,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:35:21" (3/3) ... [2022-12-13 19:35:21,125 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_02_bad.i [2022-12-13 19:35:21,138 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:35:21,139 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 19:35:21,170 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:35:21,174 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;@c2f16ad, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:35:21,174 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 19:35:21,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 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 19:35:21,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 19:35:21,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:35:21,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:35:21,183 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 19:35:21,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:35:21,186 INFO L85 PathProgramCache]: Analyzing trace with hash 2051308032, now seen corresponding path program 1 times [2022-12-13 19:35:21,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:35:21,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749531337] [2022-12-13 19:35:21,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:35:21,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:35:21,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:35:21,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:35:21,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 19:35:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:35:21,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 19:35:21,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:35:21,367 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 19:35:21,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:35:21,368 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:35:21,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749531337] [2022-12-13 19:35:21,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749531337] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:35:21,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:35:21,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:35:21,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545479880] [2022-12-13 19:35:21,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:35:21,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:35:21,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:35:21,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:35:21,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:35:21,396 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 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 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 19:35:21,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:35:21,417 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2022-12-13 19:35:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:35:21,418 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 19:35:21,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:35:21,428 INFO L225 Difference]: With dead ends: 36 [2022-12-13 19:35:21,429 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 19:35:21,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:35:21,434 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:35:21,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:35:21,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 19:35:21,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 19:35:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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 19:35:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 19:35:21,458 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 10 [2022-12-13 19:35:21,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:35:21,459 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 19:35:21,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 19:35:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 19:35:21,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 19:35:21,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:35:21,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:35:21,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:35:21,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:35:21,662 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 19:35:21,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:35:21,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1714306296, now seen corresponding path program 1 times [2022-12-13 19:35:21,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:35:21,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523599543] [2022-12-13 19:35:21,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:35:21,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:35:21,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:35:21,670 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:35:21,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 19:35:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:35:21,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:35:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:35:21,856 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 19:35:21,857 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 19:35:21,858 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 19:35:21,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 19:35:21,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 19:35:22,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:35:22,070 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 19:35:22,081 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:35:22,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:35:22 BoogieIcfgContainer [2022-12-13 19:35:22,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:35:22,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:35:22,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:35:22,147 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:35:22,148 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:35:21" (3/4) ... [2022-12-13 19:35:22,152 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 19:35:22,192 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:35:22,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:35:22,193 INFO L158 Benchmark]: Toolchain (without parser) took 2300.36ms. Allocated memory is still 75.5MB. Free memory was 52.5MB in the beginning and 31.4MB in the end (delta: 21.0MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-12-13 19:35:22,193 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:35:22,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 907.47ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 45.6MB in the end (delta: 6.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2022-12-13 19:35:22,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.90ms. Allocated memory is still 75.5MB. Free memory was 45.6MB in the beginning and 42.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:35:22,194 INFO L158 Benchmark]: Boogie Preprocessor took 19.67ms. Allocated memory is still 75.5MB. Free memory was 42.2MB in the beginning and 40.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:35:22,194 INFO L158 Benchmark]: RCFGBuilder took 261.81ms. Allocated memory is still 75.5MB. Free memory was 40.3MB in the beginning and 46.4MB in the end (delta: -6.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-12-13 19:35:22,195 INFO L158 Benchmark]: TraceAbstraction took 1023.40ms. Allocated memory is still 75.5MB. Free memory was 46.1MB in the beginning and 33.9MB in the end (delta: 12.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2022-12-13 19:35:22,195 INFO L158 Benchmark]: Witness Printer took 46.55ms. Allocated memory is still 75.5MB. Free memory was 33.9MB in the beginning and 31.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:35:22,197 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 54.5MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 907.47ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 45.6MB in the end (delta: 6.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.90ms. Allocated memory is still 75.5MB. Free memory was 45.6MB in the beginning and 42.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.67ms. Allocated memory is still 75.5MB. Free memory was 42.2MB in the beginning and 40.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 261.81ms. Allocated memory is still 75.5MB. Free memory was 40.3MB in the beginning and 46.4MB in the end (delta: -6.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1023.40ms. Allocated memory is still 75.5MB. Free memory was 46.1MB in the beginning and 33.9MB in the end (delta: 12.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Witness Printer took 46.55ms. Allocated memory is still 75.5MB. Free memory was 33.9MB in the beginning and 31.4MB in the end (delta: 2.5MB). 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: 1559]: 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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)=12, argc=12, 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 CWE190_Integer_Overflow__int_rand_preinc_02_bad() [L1550] int data; [L1551] data = 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] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 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, rand()=32767, rand()=1, rand()=1, rand()=32767, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] ++data VAL [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: 1559]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 1 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 19:35:22,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab34bf1-d714-4529-9fbd-26317a664ed3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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)