./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_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_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 14d2c3c15a60b4893aeff23e67be25cf47c84a4d80762cb924c873e6aa2aa4d9 --- 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 14:58:57,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:58:57,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:58:57,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:58:57,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:58:57,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:58:57,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:58:57,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:58:57,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:58:57,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:58:57,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:58:57,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:58:57,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:58:57,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:58:57,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:58:57,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:58:57,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:58:57,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:58:57,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:58:57,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:58:57,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:58:57,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:58:57,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:58:57,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:58:57,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:58:57,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:58:57,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:58:57,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:58:57,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:58:57,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:58:57,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:58:57,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:58:57,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:58:57,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:58:57,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:58:57,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:58:57,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:58:57,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:58:57,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:58:57,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:58:57,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:58:57,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 14:58:57,256 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:58:57,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:58:57,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:58:57,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:58:57,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:58:57,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:58:57,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:58:57,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:58:57,258 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:58:57,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:58:57,259 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:58:57,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:58:57,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:58:57,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:58:57,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:58:57,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:58:57,259 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 14:58:57,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:58:57,259 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:58:57,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:58:57,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:58:57,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:58:57,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:58:57,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:58:57,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:58:57,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:58:57,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:58:57,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:58:57,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:58:57,261 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:58:57,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:58:57,261 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:58:57,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:58:57,261 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:58:57,261 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_11c35e3e-2094-4195-a443-e24fc03bf0ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14d2c3c15a60b4893aeff23e67be25cf47c84a4d80762cb924c873e6aa2aa4d9 [2022-12-13 14:58:57,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:58:57,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:58:57,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:58:57,463 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:58:57,464 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:58:57,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_bad.i [2022-12-13 14:59:00,014 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:59:00,241 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:59:00,241 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_bad.i [2022-12-13 14:59:00,260 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/data/bc1b54a55/6a59722eae1945f08d1e43db706019c8/FLAGcbef17957 [2022-12-13 14:59:00,274 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/data/bc1b54a55/6a59722eae1945f08d1e43db706019c8 [2022-12-13 14:59:00,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:59:00,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:59:00,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:59:00,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:59:00,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:59:00,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:59:00" (1/1) ... [2022-12-13 14:59:00,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a141b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:00, skipping insertion in model container [2022-12-13 14:59:00,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:59:00" (1/1) ... [2022-12-13 14:59:00,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:59:00,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:59:00,548 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:59:00,817 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:59:00,822 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:59:00,823 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:59:00,825 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:59:00,825 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:59:00,844 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:59:00,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:59:00,851 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:59:00,864 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:59:00,891 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:59:00,893 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:59:00,893 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:59:00,895 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:59:00,895 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:59:00,899 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:59:00,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:59:01,034 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:59:01,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:01 WrapperNode [2022-12-13 14:59:01,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:59:01,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:59:01,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:59:01,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:59:01,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:01" (1/1) ... [2022-12-13 14:59:01,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:01" (1/1) ... [2022-12-13 14:59:01,084 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-12-13 14:59:01,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:59:01,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:59:01,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:59:01,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:59:01,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:01" (1/1) ... [2022-12-13 14:59:01,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:01" (1/1) ... [2022-12-13 14:59:01,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:01" (1/1) ... [2022-12-13 14:59:01,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:01" (1/1) ... [2022-12-13 14:59:01,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:01" (1/1) ... [2022-12-13 14:59:01,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:01" (1/1) ... [2022-12-13 14:59:01,107 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:01" (1/1) ... [2022-12-13 14:59:01,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:01" (1/1) ... [2022-12-13 14:59:01,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:59:01,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:59:01,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:59:01,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:59:01,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:01" (1/1) ... [2022-12-13 14:59:01,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:59:01,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:59:01,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:59:01,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:59:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 14:59:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 14:59:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:59:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:59:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:59:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-12-13 14:59:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-12-13 14:59:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 14:59:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:59:01,260 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:59:01,262 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:59:01,377 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:59:01,381 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:59:01,381 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 14:59:01,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:59:01 BoogieIcfgContainer [2022-12-13 14:59:01,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:59:01,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:59:01,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:59:01,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:59:01,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:59:00" (1/3) ... [2022-12-13 14:59:01,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7a584a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:59:01, skipping insertion in model container [2022-12-13 14:59:01,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:01" (2/3) ... [2022-12-13 14:59:01,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7a584a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:59:01, skipping insertion in model container [2022-12-13 14:59:01,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:59:01" (3/3) ... [2022-12-13 14:59:01,388 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_08_bad.i [2022-12-13 14:59:01,401 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:59:01,402 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 14:59:01,434 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:59:01,439 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;@697510af, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:59:01,439 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 14:59:01,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:59:01,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 14:59:01,447 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:59:01,448 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:59:01,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:59:01,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:59:01,452 INFO L85 PathProgramCache]: Analyzing trace with hash -641348316, now seen corresponding path program 1 times [2022-12-13 14:59:01,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:59:01,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063295138] [2022-12-13 14:59:01,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:59:01,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:59:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:01,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:59:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:01,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:59:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:01,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:59:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:01,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:59:01,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:59:01,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063295138] [2022-12-13 14:59:01,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063295138] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:59:01,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845141223] [2022-12-13 14:59:01,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:59:01,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:59:01,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:59:01,704 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:59:01,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:59:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:01,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:59:01,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:59:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 14:59:01,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:59:01,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845141223] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:59:01,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:59:01,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 14:59:01,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549375262] [2022-12-13 14:59:01,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:59:01,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:59:01,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:59:01,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:59:01,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:59:01,840 INFO L87 Difference]: Start difference. First operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:59:01,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:59:01,865 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2022-12-13 14:59:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:59:01,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2022-12-13 14:59:01,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:59:01,872 INFO L225 Difference]: With dead ends: 43 [2022-12-13 14:59:01,872 INFO L226 Difference]: Without dead ends: 28 [2022-12-13 14:59:01,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:59:01,876 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 11 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:59:01,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 60 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:59:01,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-13 14:59:01,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-12-13 14:59:01,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:59:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-12-13 14:59:01,901 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 21 [2022-12-13 14:59:01,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:59:01,902 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-12-13 14:59:01,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:59:01,903 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-12-13 14:59:01,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 14:59:01,903 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:59:01,904 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:59:01,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:59:02,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:59:02,106 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:59:02,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:59:02,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1593038750, now seen corresponding path program 1 times [2022-12-13 14:59:02,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:59:02,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117184039] [2022-12-13 14:59:02,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:59:02,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:59:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:59:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:02,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:59:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:02,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:59:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:59:02,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:59:02,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117184039] [2022-12-13 14:59:02,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117184039] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:59:02,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063587137] [2022-12-13 14:59:02,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:59:02,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:59:02,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:59:02,291 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:59:02,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 14:59:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:02,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:59:02,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:59:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 14:59:02,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:59:02,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063587137] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:59:02,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:59:02,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 14:59:02,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613020601] [2022-12-13 14:59:02,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:59:02,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:59:02,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:59:02,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:59:02,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:59:02,377 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:59:02,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:59:02,386 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2022-12-13 14:59:02,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:59:02,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-12-13 14:59:02,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:59:02,386 INFO L225 Difference]: With dead ends: 29 [2022-12-13 14:59:02,386 INFO L226 Difference]: Without dead ends: 23 [2022-12-13 14:59:02,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:59:02,388 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:59:02,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 41 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:59:02,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-13 14:59:02,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-13 14:59:02,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 14:59:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2022-12-13 14:59:02,391 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 22 [2022-12-13 14:59:02,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:59:02,391 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-12-13 14:59:02,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:59:02,391 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-12-13 14:59:02,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 14:59:02,392 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:59:02,392 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:59:02,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 14:59:02,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:59:02,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:59:02,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:59:02,594 INFO L85 PathProgramCache]: Analyzing trace with hash 2020647561, now seen corresponding path program 1 times [2022-12-13 14:59:02,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:59:02,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876451590] [2022-12-13 14:59:02,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:59:02,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:59:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:02,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:59:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 14:59:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 14:59:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 14:59:02,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:59:02,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876451590] [2022-12-13 14:59:02,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876451590] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:59:02,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:59:02,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:59:02,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518194786] [2022-12-13 14:59:02,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:59:02,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:59:02,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:59:02,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:59:02,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:59:02,744 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:59:02,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:59:02,753 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-12-13 14:59:02,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:59:02,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-12-13 14:59:02,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:59:02,754 INFO L225 Difference]: With dead ends: 23 [2022-12-13 14:59:02,754 INFO L226 Difference]: Without dead ends: 22 [2022-12-13 14:59:02,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 14:59:02,756 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 6 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 34 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 14:59:02,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:59:02,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-12-13 14:59:02,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-12-13 14:59:02,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 14:59:02,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2022-12-13 14:59:02,761 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 23 [2022-12-13 14:59:02,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:59:02,761 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2022-12-13 14:59:02,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:59:02,761 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-12-13 14:59:02,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 14:59:02,762 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:59:02,762 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:59:02,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:59:02,762 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:59:02,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:59:02,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1784434983, now seen corresponding path program 1 times [2022-12-13 14:59:02,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:59:02,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096271225] [2022-12-13 14:59:02,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:59:02,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:59:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:59:02,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:59:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:59:02,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:59:02,828 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 14:59:02,828 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 14:59:02,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 14:59:02,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:59:02,833 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 14:59:02,836 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:59:02,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:59:02 BoogieIcfgContainer [2022-12-13 14:59:02,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:59:02,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:59:02,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:59:02,863 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:59:02,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:59:01" (3/4) ... [2022-12-13 14:59:02,867 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 14:59:02,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:59:02,868 INFO L158 Benchmark]: Toolchain (without parser) took 2590.75ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 85.6MB in the beginning and 99.1MB in the end (delta: -13.5MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-12-13 14:59:02,869 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:59:02,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 756.13ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 85.6MB in the beginning and 94.9MB in the end (delta: -9.3MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2022-12-13 14:59:02,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.72ms. Allocated memory is still 148.9MB. Free memory was 94.9MB in the beginning and 92.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:59:02,870 INFO L158 Benchmark]: Boogie Preprocessor took 25.06ms. Allocated memory is still 148.9MB. Free memory was 92.3MB in the beginning and 90.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:59:02,870 INFO L158 Benchmark]: RCFGBuilder took 271.44ms. Allocated memory is still 148.9MB. Free memory was 90.8MB in the beginning and 76.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 14:59:02,871 INFO L158 Benchmark]: TraceAbstraction took 1478.08ms. Allocated memory is still 148.9MB. Free memory was 75.9MB in the beginning and 99.1MB in the end (delta: -23.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:59:02,871 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 148.9MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:59:02,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 756.13ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 85.6MB in the beginning and 94.9MB in the end (delta: -9.3MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.72ms. Allocated memory is still 148.9MB. Free memory was 94.9MB in the beginning and 92.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.06ms. Allocated memory is still 148.9MB. Free memory was 92.3MB in the beginning and 90.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 271.44ms. Allocated memory is still 148.9MB. Free memory was 90.8MB in the beginning and 76.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1478.08ms. Allocated memory is still 148.9MB. Free memory was 75.9MB in the beginning and 99.1MB in the end (delta: -23.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 148.9MB. Free memory is still 99.1MB. 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1562, overapproximation of bitwiseAnd at line 1562. 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] [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_rand_preinc_08_bad() [L1558] int data; [L1559] 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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() 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, staticReturnsTrue()=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] 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()=4, rand()=2147483647, rand()=1, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() 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, staticReturnsTrue()=1] [L1564] COND TRUE staticReturnsTrue() [L1567] ++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: 1567]: 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 3 procedures, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 135 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 85 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 182 SizeOfPredicates, 0 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 11/15 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 14:59:02,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 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_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 14d2c3c15a60b4893aeff23e67be25cf47c84a4d80762cb924c873e6aa2aa4d9 --- 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 14:59:04,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:59:04,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:59:04,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:59:04,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:59:04,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:59:04,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:59:04,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:59:04,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:59:04,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:59:04,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:59:04,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:59:04,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:59:04,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:59:04,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:59:04,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:59:04,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:59:04,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:59:04,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:59:04,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:59:04,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:59:04,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:59:04,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:59:04,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:59:04,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:59:04,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:59:04,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:59:04,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:59:04,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:59:04,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:59:04,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:59:04,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:59:04,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:59:04,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:59:04,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:59:04,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:59:04,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:59:04,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:59:04,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:59:04,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:59:04,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:59:04,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 14:59:04,489 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:59:04,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:59:04,490 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:59:04,490 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:59:04,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:59:04,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:59:04,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:59:04,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:59:04,492 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:59:04,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:59:04,492 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:59:04,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:59:04,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:59:04,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:59:04,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:59:04,493 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 14:59:04,493 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 14:59:04,493 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 14:59:04,493 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 14:59:04,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:59:04,493 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:59:04,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:59:04,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:59:04,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:59:04,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:59:04,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:59:04,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:59:04,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:59:04,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:59:04,495 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 14:59:04,495 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 14:59:04,495 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:59:04,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:59:04,496 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:59:04,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:59:04,496 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 14:59:04,496 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:59:04,496 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_11c35e3e-2094-4195-a443-e24fc03bf0ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14d2c3c15a60b4893aeff23e67be25cf47c84a4d80762cb924c873e6aa2aa4d9 [2022-12-13 14:59:04,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:59:04,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:59:04,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:59:04,717 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:59:04,717 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:59:04,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_bad.i [2022-12-13 14:59:07,290 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:59:07,525 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:59:07,526 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_bad.i [2022-12-13 14:59:07,546 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/data/a2c6333b1/0d2c6225b12943e2996cc1648f369ede/FLAGd02adc111 [2022-12-13 14:59:07,561 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/data/a2c6333b1/0d2c6225b12943e2996cc1648f369ede [2022-12-13 14:59:07,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:59:07,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:59:07,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:59:07,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:59:07,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:59:07,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:59:07" (1/1) ... [2022-12-13 14:59:07,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b86d5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:07, skipping insertion in model container [2022-12-13 14:59:07,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:59:07" (1/1) ... [2022-12-13 14:59:07,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:59:07,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:59:07,892 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:59:08,212 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:59:08,216 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:59:08,217 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:59:08,220 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:59:08,220 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:59:08,241 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:59:08,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:59:08,255 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:59:08,272 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:59:08,322 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:59:08,323 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:59:08,324 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:59:08,326 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:59:08,327 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:59:08,332 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:59:08,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:59:08,414 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:59:08,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:08 WrapperNode [2022-12-13 14:59:08,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:59:08,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:59:08,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:59:08,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:59:08,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:08" (1/1) ... [2022-12-13 14:59:08,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:08" (1/1) ... [2022-12-13 14:59:08,465 INFO L138 Inliner]: procedures = 506, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-12-13 14:59:08,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:59:08,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:59:08,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:59:08,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:59:08,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:08" (1/1) ... [2022-12-13 14:59:08,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:08" (1/1) ... [2022-12-13 14:59:08,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:08" (1/1) ... [2022-12-13 14:59:08,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:08" (1/1) ... [2022-12-13 14:59:08,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:08" (1/1) ... [2022-12-13 14:59:08,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:08" (1/1) ... [2022-12-13 14:59:08,490 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:08" (1/1) ... [2022-12-13 14:59:08,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:08" (1/1) ... [2022-12-13 14:59:08,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:59:08,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:59:08,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:59:08,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:59:08,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:08" (1/1) ... [2022-12-13 14:59:08,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:59:08,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:59:08,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:59:08,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:59:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 14:59:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 14:59:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 14:59:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:59:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:59:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:59:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-12-13 14:59:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-12-13 14:59:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 14:59:08,665 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:59:08,666 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:59:08,773 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:59:08,778 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:59:08,779 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 14:59:08,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:59:08 BoogieIcfgContainer [2022-12-13 14:59:08,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:59:08,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:59:08,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:59:08,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:59:08,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:59:07" (1/3) ... [2022-12-13 14:59:08,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f345994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:59:08, skipping insertion in model container [2022-12-13 14:59:08,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:08" (2/3) ... [2022-12-13 14:59:08,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f345994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:59:08, skipping insertion in model container [2022-12-13 14:59:08,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:59:08" (3/3) ... [2022-12-13 14:59:08,789 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_08_bad.i [2022-12-13 14:59:08,805 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:59:08,805 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 14:59:08,838 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:59:08,842 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;@200f0e60, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:59:08,842 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 14:59:08,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:59:08,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 14:59:08,852 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:59:08,852 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:59:08,853 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:59:08,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:59:08,857 INFO L85 PathProgramCache]: Analyzing trace with hash -894708504, now seen corresponding path program 1 times [2022-12-13 14:59:08,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 14:59:08,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2069683913] [2022-12-13 14:59:08,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:59:08,868 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 14:59:08,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 14:59:08,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 14:59:08,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 14:59:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:08,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 14:59:08,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:59:08,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 14:59:08,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:59:08,974 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 14:59:08,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2069683913] [2022-12-13 14:59:08,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2069683913] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:59:08,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:59:08,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 14:59:08,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884662151] [2022-12-13 14:59:08,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:59:08,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 14:59:08,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 14:59:08,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:59:09,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:59:09,001 INFO L87 Difference]: Start difference. First operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 14:59:09,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:59:09,014 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2022-12-13 14:59:09,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:59:09,015 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2022-12-13 14:59:09,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:59:09,020 INFO L225 Difference]: With dead ends: 28 [2022-12-13 14:59:09,020 INFO L226 Difference]: Without dead ends: 20 [2022-12-13 14:59:09,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 14:59:09,025 INFO L413 NwaCegarLoop]: 32 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, 32 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 14:59:09,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:59:09,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-13 14:59:09,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-12-13 14:59:09,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 14:59:09,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-12-13 14:59:09,049 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 19 [2022-12-13 14:59:09,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:59:09,050 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-12-13 14:59:09,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 14:59:09,051 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-12-13 14:59:09,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-13 14:59:09,051 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:59:09,051 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:59:09,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 14:59:09,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 14:59:09,254 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:59:09,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:59:09,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1966159784, now seen corresponding path program 1 times [2022-12-13 14:59:09,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 14:59:09,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1958971540] [2022-12-13 14:59:09,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:59:09,259 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 14:59:09,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 14:59:09,273 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 14:59:09,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 14:59:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:59:09,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 14:59:09,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:59:09,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:59:09,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:59:09,477 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 14:59:09,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1958971540] [2022-12-13 14:59:09,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1958971540] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:59:09,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:59:09,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:59:09,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803598444] [2022-12-13 14:59:09,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:59:09,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:59:09,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 14:59:09,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:59:09,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:59:09,486 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:59:09,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:59:09,500 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2022-12-13 14:59:09,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:59:09,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2022-12-13 14:59:09,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:59:09,501 INFO L225 Difference]: With dead ends: 28 [2022-12-13 14:59:09,501 INFO L226 Difference]: Without dead ends: 20 [2022-12-13 14:59:09,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:59:09,502 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:59:09,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:59:09,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-13 14:59:09,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-12-13 14:59:09,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 14:59:09,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2022-12-13 14:59:09,507 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 20 [2022-12-13 14:59:09,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:59:09,507 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-12-13 14:59:09,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:59:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-12-13 14:59:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 14:59:09,508 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:59:09,508 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:59:09,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 14:59:09,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 14:59:09,711 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:59:09,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:59:09,713 INFO L85 PathProgramCache]: Analyzing trace with hash 119673117, now seen corresponding path program 1 times [2022-12-13 14:59:09,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 14:59:09,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485000550] [2022-12-13 14:59:09,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:59:09,716 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 14:59:09,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 14:59:09,719 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 14:59:09,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 (4)] Waiting until timeout for monitored process [2022-12-13 14:59:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:59:09,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:59:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:59:09,895 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 14:59:09,895 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 14:59:09,896 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 14:59:09,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 14:59:09,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 (4)] Ended with exit code 0 [2022-12-13 14:59:10,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/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 14:59:10,109 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 14:59:10,121 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:59:10,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:59:10 BoogieIcfgContainer [2022-12-13 14:59:10,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:59:10,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:59:10,174 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:59:10,174 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:59:10,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:59:08" (3/4) ... [2022-12-13 14:59:10,176 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 14:59:10,212 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:59:10,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:59:10,213 INFO L158 Benchmark]: Toolchain (without parser) took 2648.73ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 53.9MB in the beginning and 47.2MB in the end (delta: 6.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2022-12-13 14:59:10,214 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:59:10,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.80ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 46.6MB in the end (delta: 7.0MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2022-12-13 14:59:10,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.38ms. Allocated memory is still 75.5MB. Free memory was 46.6MB in the beginning and 43.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:59:10,214 INFO L158 Benchmark]: Boogie Preprocessor took 28.50ms. Allocated memory is still 75.5MB. Free memory was 43.3MB in the beginning and 41.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:59:10,215 INFO L158 Benchmark]: RCFGBuilder took 285.42ms. Allocated memory is still 75.5MB. Free memory was 41.2MB in the beginning and 47.1MB in the end (delta: -5.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-12-13 14:59:10,215 INFO L158 Benchmark]: TraceAbstraction took 1390.05ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 46.7MB in the beginning and 49.8MB in the end (delta: -3.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-12-13 14:59:10,215 INFO L158 Benchmark]: Witness Printer took 39.18ms. Allocated memory is still 92.3MB. Free memory was 49.8MB in the beginning and 47.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:59:10,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.80ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 46.6MB in the end (delta: 7.0MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.38ms. Allocated memory is still 75.5MB. Free memory was 46.6MB in the beginning and 43.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.50ms. Allocated memory is still 75.5MB. Free memory was 43.3MB in the beginning and 41.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 285.42ms. Allocated memory is still 75.5MB. Free memory was 41.2MB in the beginning and 47.1MB in the end (delta: -5.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1390.05ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 46.7MB in the beginning and 49.8MB in the end (delta: -3.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Witness Printer took 39.18ms. Allocated memory is still 92.3MB. Free memory was 49.8MB in the beginning and 47.2MB in the end (delta: 2.6MB). 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: 1567]: 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] [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_rand_preinc_08_bad() [L1558] int data; [L1559] 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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() 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, staticReturnsTrue()=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] 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()=0, rand()=65535, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() 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, staticReturnsTrue()=1] [L1564] COND TRUE staticReturnsTrue() [L1567] ++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: 1567]: 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 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 2, 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, 89 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 53 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.1s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 43 SizeOfPredicates, 0 NumberOfNonLiveVariables, 109 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 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 14:59:10,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11c35e3e-2094-4195-a443-e24fc03bf0ba/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)