./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_04_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_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5e6ff817e4ae39d4b94db07e1e29dcb26d74c39e011ae852423a63ff56dd2be0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 07:16:19,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:16:19,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:16:19,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:16:19,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:16:19,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:16:19,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:16:19,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:16:19,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:16:19,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:16:19,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:16:19,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:16:19,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:16:19,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:16:19,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:16:19,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:16:19,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:16:19,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:16:19,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:16:19,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:16:19,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:16:19,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:16:19,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:16:19,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:16:19,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:16:19,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:16:19,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:16:19,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:16:19,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:16:19,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:16:19,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:16:19,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:16:19,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:16:19,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:16:19,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:16:19,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:16:19,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:16:19,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:16:19,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:16:19,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:16:19,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:16:19,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 07:16:19,084 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:16:19,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:16:19,085 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:16:19,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:16:19,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:16:19,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:16:19,092 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:16:19,092 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:16:19,092 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:16:19,093 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:16:19,093 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:16:19,093 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:16:19,093 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:16:19,093 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:16:19,094 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:16:19,094 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:16:19,094 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:16:19,094 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:16:19,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:16:19,095 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:16:19,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:16:19,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:16:19,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:16:19,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:16:19,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:16:19,096 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 07:16:19,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:16:19,097 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:16:19,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:16:19,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:16:19,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:16:19,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:16:19,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:16:19,098 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:16:19,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:16:19,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:16:19,099 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:16:19,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:16:19,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:16:19,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:16:19,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e6ff817e4ae39d4b94db07e1e29dcb26d74c39e011ae852423a63ff56dd2be0 [2022-12-14 07:16:19,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:16:19,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:16:19,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:16:19,303 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:16:19,303 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:16:19,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_04_bad.i [2022-12-14 07:16:21,876 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:16:22,118 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:16:22,118 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_04_bad.i [2022-12-14 07:16:22,132 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/data/be827380e/f25860c26ce444d49d9ec03be1d4ef3f/FLAG2bba3de86 [2022-12-14 07:16:22,455 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/data/be827380e/f25860c26ce444d49d9ec03be1d4ef3f [2022-12-14 07:16:22,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:16:22,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:16:22,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:16:22,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:16:22,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:16:22,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:16:22" (1/1) ... [2022-12-14 07:16:22,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25cfd08f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:22, skipping insertion in model container [2022-12-14 07:16:22,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:16:22" (1/1) ... [2022-12-14 07:16:22,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:16:22,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:16:22,723 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:16:23,010 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:16:23,014 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:16:23,015 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:16:23,017 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:16:23,017 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:16:23,036 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:16:23,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:16:23,044 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:16:23,056 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:16:23,084 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:16:23,085 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:16:23,086 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:16:23,087 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:16:23,088 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:16:23,092 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:16:23,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:16:23,172 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:16:23,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:23 WrapperNode [2022-12-14 07:16:23,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:16:23,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:16:23,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:16:23,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:16:23,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:23" (1/1) ... [2022-12-14 07:16:23,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:23" (1/1) ... [2022-12-14 07:16:23,210 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-12-14 07:16:23,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:16:23,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:16:23,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:16:23,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:16:23,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:23" (1/1) ... [2022-12-14 07:16:23,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:23" (1/1) ... [2022-12-14 07:16:23,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:23" (1/1) ... [2022-12-14 07:16:23,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:23" (1/1) ... [2022-12-14 07:16:23,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:23" (1/1) ... [2022-12-14 07:16:23,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:23" (1/1) ... [2022-12-14 07:16:23,232 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:23" (1/1) ... [2022-12-14 07:16:23,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:23" (1/1) ... [2022-12-14 07:16:23,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:16:23,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:16:23,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:16:23,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:16:23,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:23" (1/1) ... [2022-12-14 07:16:23,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:16:23,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:16:23,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:16:23,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:16:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 07:16:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 07:16:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:16:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:16:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:16:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 07:16:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:16:23,393 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:16:23,395 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:16:23,520 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:16:23,598 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:16:23,599 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 07:16:23,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:16:23 BoogieIcfgContainer [2022-12-14 07:16:23,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:16:23,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:16:23,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:16:23,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:16:23,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:16:22" (1/3) ... [2022-12-14 07:16:23,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0b6e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:16:23, skipping insertion in model container [2022-12-14 07:16:23,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:23" (2/3) ... [2022-12-14 07:16:23,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0b6e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:16:23, skipping insertion in model container [2022-12-14 07:16:23,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:16:23" (3/3) ... [2022-12-14 07:16:23,609 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_04_bad.i [2022-12-14 07:16:23,627 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:16:23,627 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 07:16:23,670 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:16:23,676 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=FINITE_AUTOMATA, 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;@4af157fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:16:23,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 07:16:23,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:16:23,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 07:16:23,687 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:16:23,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:16:23,688 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 07:16:23,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:16:23,693 INFO L85 PathProgramCache]: Analyzing trace with hash 184305098, now seen corresponding path program 1 times [2022-12-14 07:16:23,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:16:23,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956917404] [2022-12-14 07:16:23,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:16:23,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:16:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:16:24,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:16:24,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:16:24,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956917404] [2022-12-14 07:16:24,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956917404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:16:24,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:16:24,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:16:24,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650938175] [2022-12-14 07:16:24,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:16:24,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:16:24,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:16:24,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:16:24,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:16:24,077 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:16:24,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:16:24,129 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-12-14 07:16:24,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:16:24,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-12-14 07:16:24,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:16:24,137 INFO L225 Difference]: With dead ends: 14 [2022-12-14 07:16:24,137 INFO L226 Difference]: Without dead ends: 9 [2022-12-14 07:16:24,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:16:24,143 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 8 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:16:24,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:16:24,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-14 07:16:24,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-14 07:16:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:16:24,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-12-14 07:16:24,175 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-12-14 07:16:24,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:16:24,176 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-12-14 07:16:24,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:16:24,176 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-14 07:16:24,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 07:16:24,176 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:16:24,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:16:24,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:16:24,177 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 07:16:24,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:16:24,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1418490804, now seen corresponding path program 1 times [2022-12-14 07:16:24,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:16:24,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439925269] [2022-12-14 07:16:24,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:16:24,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:16:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:16:24,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 07:16:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:16:24,273 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 07:16:24,273 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 07:16:24,275 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 07:16:24,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 07:16:24,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:16:24,280 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 07:16:24,284 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:16:24,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:16:24 BoogieIcfgContainer [2022-12-14 07:16:24,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:16:24,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:16:24,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:16:24,308 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:16:24,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:16:23" (3/4) ... [2022-12-14 07:16:24,311 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 07:16:24,311 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:16:24,312 INFO L158 Benchmark]: Toolchain (without parser) took 1853.76ms. Allocated memory is still 180.4MB. Free memory was 138.2MB in the beginning and 71.7MB in the end (delta: 66.6MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2022-12-14 07:16:24,312 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory is still 148.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:16:24,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 713.93ms. Allocated memory is still 180.4MB. Free memory was 137.6MB in the beginning and 75.3MB in the end (delta: 62.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-12-14 07:16:24,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.95ms. Allocated memory is still 180.4MB. Free memory was 75.3MB in the beginning and 72.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:16:24,314 INFO L158 Benchmark]: Boogie Preprocessor took 23.19ms. Allocated memory is still 180.4MB. Free memory was 72.1MB in the beginning and 146.9MB in the end (delta: -74.8MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-12-14 07:16:24,314 INFO L158 Benchmark]: RCFGBuilder took 366.56ms. Allocated memory is still 180.4MB. Free memory was 146.9MB in the beginning and 130.4MB in the end (delta: 16.5MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-12-14 07:16:24,315 INFO L158 Benchmark]: TraceAbstraction took 703.26ms. Allocated memory is still 180.4MB. Free memory was 129.3MB in the beginning and 71.7MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-12-14 07:16:24,315 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 180.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:16:24,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory is still 148.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 713.93ms. Allocated memory is still 180.4MB. Free memory was 137.6MB in the beginning and 75.3MB in the end (delta: 62.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.95ms. Allocated memory is still 180.4MB. Free memory was 75.3MB in the beginning and 72.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.19ms. Allocated memory is still 180.4MB. Free memory was 72.1MB in the beginning and 146.9MB in the end (delta: -74.8MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * RCFGBuilder took 366.56ms. Allocated memory is still 180.4MB. Free memory was 146.9MB in the beginning and 130.4MB in the end (delta: 16.5MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * TraceAbstraction took 703.26ms. Allocated memory is still 180.4MB. Free memory was 129.3MB in the beginning and 71.7MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 180.4MB. Free memory is still 71.7MB. 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1556, overapproximation of bitwiseAnd at line 1556. 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); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] 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}, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483652:2147483651}, argv={2147483652:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_postinc_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) [L1561] data++ VAL [data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483649, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 07:16:24,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5e6ff817e4ae39d4b94db07e1e29dcb26d74c39e011ae852423a63ff56dd2be0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 07:16:26,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:16:26,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:16:26,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:16:26,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:16:26,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:16:26,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:16:26,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:16:26,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:16:26,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:16:26,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:16:26,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:16:26,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:16:26,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:16:26,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:16:26,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:16:26,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:16:26,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:16:26,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:16:26,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:16:26,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:16:26,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:16:26,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:16:26,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:16:26,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:16:26,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:16:26,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:16:26,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:16:26,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:16:26,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:16:26,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:16:26,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:16:26,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:16:26,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:16:26,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:16:26,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:16:26,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:16:26,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:16:26,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:16:26,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:16:26,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:16:26,096 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 07:16:26,118 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:16:26,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:16:26,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:16:26,119 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:16:26,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:16:26,119 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:16:26,120 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:16:26,120 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:16:26,120 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:16:26,120 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:16:26,120 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:16:26,120 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:16:26,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:16:26,121 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:16:26,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:16:26,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:16:26,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:16:26,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:16:26,122 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 07:16:26,122 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 07:16:26,122 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 07:16:26,122 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 07:16:26,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:16:26,123 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:16:26,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:16:26,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:16:26,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 07:16:26,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:16:26,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:16:26,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:16:26,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:16:26,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:16:26,124 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 07:16:26,124 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 07:16:26,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:16:26,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:16:26,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 07:16:26,125 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e6ff817e4ae39d4b94db07e1e29dcb26d74c39e011ae852423a63ff56dd2be0 [2022-12-14 07:16:26,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:16:26,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:16:26,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:16:26,379 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:16:26,380 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:16:26,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_04_bad.i [2022-12-14 07:16:29,008 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:16:29,271 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:16:29,271 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_04_bad.i [2022-12-14 07:16:29,285 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/data/380e60583/ee3cf7fe427849daa90a81e7d58afa89/FLAG47719cbcb [2022-12-14 07:16:29,295 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/data/380e60583/ee3cf7fe427849daa90a81e7d58afa89 [2022-12-14 07:16:29,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:16:29,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:16:29,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:16:29,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:16:29,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:16:29,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:16:29" (1/1) ... [2022-12-14 07:16:29,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ce5e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:29, skipping insertion in model container [2022-12-14 07:16:29,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:16:29" (1/1) ... [2022-12-14 07:16:29,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:16:29,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:16:29,579 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:16:29,888 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:16:29,892 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:16:29,893 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:16:29,895 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:16:29,896 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:16:29,917 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:16:29,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:16:29,930 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:16:29,948 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:16:29,998 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:16:29,999 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:16:30,000 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:16:30,002 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:16:30,003 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:16:30,008 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:16:30,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:16:30,133 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:16:30,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:30 WrapperNode [2022-12-14 07:16:30,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:16:30,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:16:30,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:16:30,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:16:30,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:30" (1/1) ... [2022-12-14 07:16:30,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:30" (1/1) ... [2022-12-14 07:16:30,184 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-12-14 07:16:30,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:16:30,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:16:30,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:16:30,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:16:30,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:30" (1/1) ... [2022-12-14 07:16:30,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:30" (1/1) ... [2022-12-14 07:16:30,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:30" (1/1) ... [2022-12-14 07:16:30,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:30" (1/1) ... [2022-12-14 07:16:30,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:30" (1/1) ... [2022-12-14 07:16:30,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:30" (1/1) ... [2022-12-14 07:16:30,208 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:30" (1/1) ... [2022-12-14 07:16:30,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:30" (1/1) ... [2022-12-14 07:16:30,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:16:30,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:16:30,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:16:30,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:16:30,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:30" (1/1) ... [2022-12-14 07:16:30,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:16:30,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:16:30,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:16:30,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:16:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 07:16:30,273 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 07:16:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 07:16:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:16:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:16:30,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:16:30,274 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 07:16:30,403 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:16:30,405 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:16:30,519 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:16:30,525 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:16:30,525 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 07:16:30,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:16:30 BoogieIcfgContainer [2022-12-14 07:16:30,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:16:30,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:16:30,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:16:30,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:16:30,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:16:29" (1/3) ... [2022-12-14 07:16:30,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a1eed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:16:30, skipping insertion in model container [2022-12-14 07:16:30,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:30" (2/3) ... [2022-12-14 07:16:30,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a1eed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:16:30, skipping insertion in model container [2022-12-14 07:16:30,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:16:30" (3/3) ... [2022-12-14 07:16:30,534 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_04_bad.i [2022-12-14 07:16:30,550 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:16:30,551 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 07:16:30,595 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:16:30,602 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=FINITE_AUTOMATA, 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;@6ecb4218, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:16:30,602 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 07:16:30,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:16:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 07:16:30,613 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:16:30,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:16:30,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 07:16:30,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:16:30,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-14 07:16:30,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:16:30,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784356014] [2022-12-14 07:16:30,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:16:30,632 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 [2022-12-14 07:16:30,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:16:30,633 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/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) [2022-12-14 07:16:30,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:16:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:16:30,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 07:16:30,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:16:30,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:16:30,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:16:30,737 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 07:16:30,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [784356014] [2022-12-14 07:16:30,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [784356014] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:16:30,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:16:30,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 07:16:30,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564956800] [2022-12-14 07:16:30,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:16:30,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 07:16:30,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 07:16:30,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 07:16:30,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:16:30,766 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:16:30,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:16:30,779 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2022-12-14 07:16:30,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 07:16:30,781 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 07:16:30,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:16:30,785 INFO L225 Difference]: With dead ends: 23 [2022-12-14 07:16:30,785 INFO L226 Difference]: Without dead ends: 15 [2022-12-14 07:16:30,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:16:30,789 INFO L413 NwaCegarLoop]: 26 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, 26 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 [2022-12-14 07:16:30,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:16:30,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-14 07:16:30,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-14 07:16:30,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:16:30,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-14 07:16:30,814 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2022-12-14 07:16:30,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:16:30,814 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-14 07:16:30,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:16:30,815 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-14 07:16:30,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 07:16:30,815 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:16:30,815 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:16:30,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:16:31,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:16:31,016 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 07:16:31,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:16:31,017 INFO L85 PathProgramCache]: Analyzing trace with hash -250853505, now seen corresponding path program 1 times [2022-12-14 07:16:31,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:16:31,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206763834] [2022-12-14 07:16:31,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:16:31,017 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 [2022-12-14 07:16:31,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:16:31,018 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/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) [2022-12-14 07:16:31,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:16:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:16:31,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 07:16:31,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:16:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:16:31,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:16:31,142 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 07:16:31,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206763834] [2022-12-14 07:16:31,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206763834] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:16:31,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:16:31,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:16:31,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403856012] [2022-12-14 07:16:31,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:16:31,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:16:31,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 07:16:31,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:16:31,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:16:31,145 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:16:31,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:16:31,151 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-12-14 07:16:31,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:16:31,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-14 07:16:31,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:16:31,152 INFO L225 Difference]: With dead ends: 19 [2022-12-14 07:16:31,152 INFO L226 Difference]: Without dead ends: 15 [2022-12-14 07:16:31,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:16:31,154 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:16:31,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:16:31,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-14 07:16:31,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-14 07:16:31,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:16:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-14 07:16:31,158 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2022-12-14 07:16:31,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:16:31,158 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-14 07:16:31,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:16:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-14 07:16:31,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 07:16:31,159 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:16:31,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:16:31,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:16:31,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:16:31,361 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 07:16:31,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:16:31,363 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-12-14 07:16:31,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:16:31,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140096036] [2022-12-14 07:16:31,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:16:31,365 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 [2022-12-14 07:16:31,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:16:31,368 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/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) [2022-12-14 07:16:31,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:16:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:16:31,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 07:16:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:16:31,516 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 07:16:31,517 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 07:16:31,517 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 07:16:31,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 07:16:31,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:16:31,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:16:31,729 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 07:16:31,741 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:16:31,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:16:31 BoogieIcfgContainer [2022-12-14 07:16:31,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:16:31,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:16:31,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:16:31,802 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:16:31,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:16:30" (3/4) ... [2022-12-14 07:16:31,805 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 07:16:31,848 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 07:16:31,848 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:16:31,849 INFO L158 Benchmark]: Toolchain (without parser) took 2550.24ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 50.7MB in the beginning and 57.6MB in the end (delta: -6.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-12-14 07:16:31,849 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory was 26.7MB in the beginning and 26.6MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:16:31,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 835.25ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 50.5MB in the beginning and 66.8MB in the end (delta: -16.3MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-12-14 07:16:31,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.61ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 63.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:16:31,850 INFO L158 Benchmark]: Boogie Preprocessor took 26.13ms. Allocated memory is still 92.3MB. Free memory was 63.3MB in the beginning and 61.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:16:31,850 INFO L158 Benchmark]: RCFGBuilder took 315.30ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 47.9MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 07:16:31,850 INFO L158 Benchmark]: TraceAbstraction took 1271.86ms. Allocated memory is still 92.3MB. Free memory was 47.5MB in the beginning and 60.6MB in the end (delta: -13.1MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-12-14 07:16:31,851 INFO L158 Benchmark]: Witness Printer took 46.27ms. Allocated memory is still 92.3MB. Free memory was 60.2MB in the beginning and 57.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 07:16:31,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory was 26.7MB in the beginning and 26.6MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 835.25ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 50.5MB in the beginning and 66.8MB in the end (delta: -16.3MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.61ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 63.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.13ms. Allocated memory is still 92.3MB. Free memory was 63.3MB in the beginning and 61.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.30ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 47.9MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1271.86ms. Allocated memory is still 92.3MB. Free memory was 47.5MB in the beginning and 60.6MB in the end (delta: -13.1MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Witness Printer took 46.27ms. Allocated memory is still 92.3MB. Free memory was 60.2MB in the beginning and 57.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. 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: 1561]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 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, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1570] 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}, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1414] COND TRUE line != ((void *)0) [L1570] 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, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_postinc_04_bad() [L1552] int data; [L1553] 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, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] 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()=65535, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) [L1561] data++ VAL [data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 07:16:31,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78923c59-826d-4334-bcb6-072a24e125d5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)