./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_63_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_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/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_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/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_8bee8b9c-1294-457e-bcbb-f6e08203d025/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 c1e7d662e14dab076edf8cd456e2947c48701e7d463679b82c7deff23d50c6be --- 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 08:03:58,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:03:58,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:03:58,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:03:58,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:03:58,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:03:58,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:03:58,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:03:58,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:03:58,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:03:58,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:03:58,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:03:58,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:03:58,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:03:58,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:03:58,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:03:58,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:03:58,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:03:58,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:03:58,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:03:58,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:03:58,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:03:58,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:03:58,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:03:58,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:03:58,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:03:58,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:03:58,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:03:58,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:03:58,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:03:58,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:03:58,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:03:58,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:03:58,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:03:58,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:03:58,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:03:58,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:03:58,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:03:58,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:03:58,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:03:58,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:03:58,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 08:03:58,247 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:03:58,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:03:58,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:03:58,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:03:58,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:03:58,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:03:58,248 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:03:58,248 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:03:58,248 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:03:58,248 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:03:58,248 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:03:58,249 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:03:58,249 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:03:58,249 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:03:58,249 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:03:58,249 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:03:58,249 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:03:58,249 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:03:58,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:03:58,250 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:03:58,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:03:58,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:03:58,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:03:58,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:03:58,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:03:58,251 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:03:58,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:03:58,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:03:58,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:03:58,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:03:58,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:03:58,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:03:58,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:03:58,252 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:03:58,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:03:58,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:03:58,252 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:03:58,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:03:58,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:03:58,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:03:58,252 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_8bee8b9c-1294-457e-bcbb-f6e08203d025/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1e7d662e14dab076edf8cd456e2947c48701e7d463679b82c7deff23d50c6be [2022-12-14 08:03:58,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:03:58,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:03:58,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:03:58,447 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:03:58,447 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:03:58,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_63_bad.i [2022-12-14 08:04:01,073 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:04:01,292 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:04:01,293 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_63_bad.i [2022-12-14 08:04:01,305 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/data/dd0dc14ab/d012c475c5a94be5bfb66b76cdf3e967/FLAG3a5d269a7 [2022-12-14 08:04:01,316 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/data/dd0dc14ab/d012c475c5a94be5bfb66b76cdf3e967 [2022-12-14 08:04:01,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:04:01,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:04:01,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:04:01,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:04:01,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:04:01,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:04:01" (1/1) ... [2022-12-14 08:04:01,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2816d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:01, skipping insertion in model container [2022-12-14 08:04:01,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:04:01" (1/1) ... [2022-12-14 08:04:01,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:04:01,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:04:01,615 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:04:01,878 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:04:01,882 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:04:01,884 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:04:01,885 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:04:01,886 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:04:01,904 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:04:01,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:04:01,914 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:04:01,927 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:04:01,959 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:04:01,960 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:04:01,961 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:04:01,963 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:04:01,963 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:04:01,967 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:04:01,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:04:02,052 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:04:02,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:02 WrapperNode [2022-12-14 08:04:02,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:04:02,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:04:02,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:04:02,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:04:02,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:02" (1/1) ... [2022-12-14 08:04:02,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:02" (1/1) ... [2022-12-14 08:04:02,089 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-14 08:04:02,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:04:02,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:04:02,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:04:02,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:04:02,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:02" (1/1) ... [2022-12-14 08:04:02,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:02" (1/1) ... [2022-12-14 08:04:02,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:02" (1/1) ... [2022-12-14 08:04:02,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:02" (1/1) ... [2022-12-14 08:04:02,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:02" (1/1) ... [2022-12-14 08:04:02,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:02" (1/1) ... [2022-12-14 08:04:02,106 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:02" (1/1) ... [2022-12-14 08:04:02,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:02" (1/1) ... [2022-12-14 08:04:02,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:04:02,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:04:02,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:04:02,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:04:02,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:02" (1/1) ... [2022-12-14 08:04:02,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:04:02,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:04:02,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:04:02,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:04:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 08:04:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 08:04:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:04:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:04:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:04:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:04:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:04:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:04:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 08:04:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:04:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:04:02,279 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:04:02,281 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:04:02,417 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:04:02,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:04:02,481 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:04:02,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:04:02 BoogieIcfgContainer [2022-12-14 08:04:02,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:04:02,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:04:02,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:04:02,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:04:02,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:04:01" (1/3) ... [2022-12-14 08:04:02,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575bc742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:04:02, skipping insertion in model container [2022-12-14 08:04:02,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:02" (2/3) ... [2022-12-14 08:04:02,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575bc742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:04:02, skipping insertion in model container [2022-12-14 08:04:02,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:04:02" (3/3) ... [2022-12-14 08:04:02,489 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_63_bad.i [2022-12-14 08:04:02,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:04:02,507 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 08:04:02,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:04:02,546 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;@7281fef2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:04:02,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 08:04:02,549 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 08:04:02,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 08:04:02,555 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:04:02,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:04:02,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:04:02,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:04:02,560 INFO L85 PathProgramCache]: Analyzing trace with hash 814614022, now seen corresponding path program 1 times [2022-12-14 08:04:02,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:04:02,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030219750] [2022-12-14 08:04:02,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:04:02,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:04:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:04:02,785 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 08:04:02,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:04:02,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030219750] [2022-12-14 08:04:02,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030219750] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:04:02,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:04:02,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:04:02,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987031741] [2022-12-14 08:04:02,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:04:02,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:04:02,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:04:02,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:04:02,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:04:02,815 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 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 08:04:02,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:04:02,853 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-12-14 08:04:02,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:04:02,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 08:04:02,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:04:02,860 INFO L225 Difference]: With dead ends: 18 [2022-12-14 08:04:02,860 INFO L226 Difference]: Without dead ends: 9 [2022-12-14 08:04:02,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 08:04:02,864 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:04:02,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 13 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:04:02,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-14 08:04:02,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-14 08:04:02,885 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 08:04:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-12-14 08:04:02,887 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-12-14 08:04:02,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:04:02,887 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-12-14 08:04:02,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 08:04:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-14 08:04:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 08:04:02,887 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:04:02,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:04:02,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:04:02,888 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:04:02,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:04:02,888 INFO L85 PathProgramCache]: Analyzing trace with hash -516769038, now seen corresponding path program 1 times [2022-12-14 08:04:02,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:04:02,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152849725] [2022-12-14 08:04:02,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:04:02,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:04:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:04:02,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:04:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:04:02,988 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:04:02,989 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:04:02,990 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 08:04:02,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 08:04:02,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:04:02,994 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 08:04:02,997 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:04:03,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:04:03 BoogieIcfgContainer [2022-12-14 08:04:03,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:04:03,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:04:03,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:04:03,014 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:04:03,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:04:02" (3/4) ... [2022-12-14 08:04:03,016 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 08:04:03,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:04:03,017 INFO L158 Benchmark]: Toolchain (without parser) took 1698.37ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 65.6MB in the end (delta: 33.9MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2022-12-14 08:04:03,017 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory was 77.9MB in the beginning and 77.8MB in the end (delta: 78.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:04:03,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.92ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 84.9MB in the end (delta: 14.3MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2022-12-14 08:04:03,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.52ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 81.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 08:04:03,018 INFO L158 Benchmark]: Boogie Preprocessor took 18.53ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 79.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:04:03,019 INFO L158 Benchmark]: RCFGBuilder took 373.52ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 58.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 08:04:03,019 INFO L158 Benchmark]: TraceAbstraction took 529.18ms. Allocated memory is still 142.6MB. Free memory was 58.2MB in the beginning and 65.6MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:04:03,019 INFO L158 Benchmark]: Witness Printer took 3.09ms. Allocated memory is still 142.6MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:04:03,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory was 77.9MB in the beginning and 77.8MB in the end (delta: 78.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.92ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 84.9MB in the end (delta: 14.3MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.52ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 81.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.53ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 79.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 373.52ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 58.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 529.18ms. Allocated memory is still 142.6MB. Free memory was 58.2MB in the beginning and 65.6MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.09ms. Allocated memory is still 142.6MB. Free memory is still 65.6MB. 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={2147483651:2147483650}, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_multiply_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1567] COND TRUE data > 0 VAL [data=2147483647, dataPtr={5:0}, dataPtr={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data * 2 VAL [data=2147483647, dataPtr={5:0}, dataPtr={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1569]: 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 08:04:03,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/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_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/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_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/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_8bee8b9c-1294-457e-bcbb-f6e08203d025/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 c1e7d662e14dab076edf8cd456e2947c48701e7d463679b82c7deff23d50c6be --- 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 08:04:04,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:04:04,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:04:04,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:04:04,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:04:04,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:04:04,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:04:04,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:04:04,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:04:04,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:04:04,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:04:04,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:04:04,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:04:04,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:04:04,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:04:04,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:04:04,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:04:04,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:04:04,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:04:04,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:04:04,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:04:04,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:04:04,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:04:04,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:04:04,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:04:04,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:04:04,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:04:04,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:04:04,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:04:04,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:04:04,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:04:04,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:04:04,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:04:04,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:04:04,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:04:04,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:04:04,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:04:04,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:04:04,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:04:04,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:04:04,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:04:04,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 08:04:04,728 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:04:04,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:04:04,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:04:04,729 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:04:04,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:04:04,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:04:04,730 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:04:04,730 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:04:04,730 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:04:04,730 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:04:04,730 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:04:04,730 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:04:04,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:04:04,731 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:04:04,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:04:04,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:04:04,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:04:04,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:04:04,732 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:04:04,732 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 08:04:04,732 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:04:04,732 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 08:04:04,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:04:04,732 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:04:04,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:04:04,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:04:04,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 08:04:04,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:04:04,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:04:04,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:04:04,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:04:04,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:04:04,745 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 08:04:04,746 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 08:04:04,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:04:04,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:04:04,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 08:04:04,746 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_8bee8b9c-1294-457e-bcbb-f6e08203d025/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1e7d662e14dab076edf8cd456e2947c48701e7d463679b82c7deff23d50c6be [2022-12-14 08:04:04,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:04:04,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:04:05,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:04:05,001 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:04:05,001 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:04:05,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_63_bad.i [2022-12-14 08:04:07,556 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:04:07,817 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:04:07,818 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_63_bad.i [2022-12-14 08:04:07,834 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/data/52cbb3641/539dc2dbb80e48c099672525aab19527/FLAG50bcafdab [2022-12-14 08:04:07,845 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/data/52cbb3641/539dc2dbb80e48c099672525aab19527 [2022-12-14 08:04:07,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:04:07,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:04:07,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:04:07,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:04:07,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:04:07,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:04:07" (1/1) ... [2022-12-14 08:04:07,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa3dd9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:07, skipping insertion in model container [2022-12-14 08:04:07,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:04:07" (1/1) ... [2022-12-14 08:04:07,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:04:07,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:04:08,133 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:04:08,422 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:04:08,426 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:04:08,427 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:04:08,429 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:04:08,429 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:04:08,445 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:04:08,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:04:08,458 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:04:08,471 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:04:08,503 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:04:08,504 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:04:08,505 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:04:08,506 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:04:08,507 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:04:08,510 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:04:08,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:04:08,586 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:04:08,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:08 WrapperNode [2022-12-14 08:04:08,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:04:08,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:04:08,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:04:08,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:04:08,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:08" (1/1) ... [2022-12-14 08:04:08,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:08" (1/1) ... [2022-12-14 08:04:08,635 INFO L138 Inliner]: procedures = 505, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-14 08:04:08,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:04:08,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:04:08,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:04:08,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:04:08,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:08" (1/1) ... [2022-12-14 08:04:08,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:08" (1/1) ... [2022-12-14 08:04:08,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:08" (1/1) ... [2022-12-14 08:04:08,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:08" (1/1) ... [2022-12-14 08:04:08,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:08" (1/1) ... [2022-12-14 08:04:08,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:08" (1/1) ... [2022-12-14 08:04:08,655 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:08" (1/1) ... [2022-12-14 08:04:08,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:08" (1/1) ... [2022-12-14 08:04:08,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:04:08,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:04:08,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:04:08,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:04:08,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:08" (1/1) ... [2022-12-14 08:04:08,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:04:08,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:04:08,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:04:08,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:04:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 08:04:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 08:04:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:04:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 08:04:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:04:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:04:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:04:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 08:04:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:04:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 08:04:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 08:04:08,831 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:04:08,833 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:04:08,962 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:04:08,967 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:04:08,967 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:04:08,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:04:08 BoogieIcfgContainer [2022-12-14 08:04:08,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:04:08,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:04:08,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:04:08,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:04:08,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:04:07" (1/3) ... [2022-12-14 08:04:08,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ecf2e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:04:08, skipping insertion in model container [2022-12-14 08:04:08,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:08" (2/3) ... [2022-12-14 08:04:08,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ecf2e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:04:08, skipping insertion in model container [2022-12-14 08:04:08,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:04:08" (3/3) ... [2022-12-14 08:04:08,975 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_63_bad.i [2022-12-14 08:04:08,989 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:04:08,989 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 08:04:09,023 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:04:09,028 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;@1c875aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:04:09,028 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 08:04:09,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 08:04:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 08:04:09,036 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:04:09,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:04:09,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:04:09,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:04:09,041 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-14 08:04:09,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:04:09,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271812577] [2022-12-14 08:04:09,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:04:09,051 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 08:04:09,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:04:09,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/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 08:04:09,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/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 08:04:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:04:09,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 08:04:09,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:04:09,204 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 08:04:09,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:04:09,205 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:04:09,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271812577] [2022-12-14 08:04:09,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271812577] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:04:09,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:04:09,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:04:09,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992996675] [2022-12-14 08:04:09,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:04:09,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:04:09,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:04:09,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:04:09,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:04:09,235 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:04:09,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:04:09,262 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-12-14 08:04:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:04:09,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-14 08:04:09,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:04:09,268 INFO L225 Difference]: With dead ends: 30 [2022-12-14 08:04:09,269 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 08:04:09,270 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 08:04:09,273 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 9 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:04:09,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 48 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:04:09,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 08:04:09,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-14 08:04:09,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:04:09,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-14 08:04:09,296 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-14 08:04:09,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:04:09,297 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-14 08:04:09,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:04:09,297 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 08:04:09,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 08:04:09,298 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:04:09,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:04:09,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/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 08:04:09,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/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 08:04:09,499 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:04:09,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:04:09,500 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-12-14 08:04:09,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:04:09,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825613667] [2022-12-14 08:04:09,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:04:09,501 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 08:04:09,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:04:09,502 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/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 08:04:09,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/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 08:04:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:04:09,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:04:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:04:09,655 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 08:04:09,655 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:04:09,656 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 08:04:09,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 08:04:09,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/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)] Forceful destruction successful, exit code 0 [2022-12-14 08:04:09,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/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 08:04:09,870 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 08:04:09,881 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:04:09,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:04:09 BoogieIcfgContainer [2022-12-14 08:04:09,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:04:09,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:04:09,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:04:09,953 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:04:09,954 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:04:08" (3/4) ... [2022-12-14 08:04:09,959 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 08:04:10,022 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 08:04:10,022 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:04:10,022 INFO L158 Benchmark]: Toolchain (without parser) took 2174.67ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 60.6MB in the beginning and 52.8MB in the end (delta: 7.8MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-12-14 08:04:10,023 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:04:10,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.93ms. Allocated memory is still 86.0MB. Free memory was 60.6MB in the beginning and 36.9MB in the end (delta: 23.6MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2022-12-14 08:04:10,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.33ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 36.9MB in the beginning and 77.6MB in the end (delta: -40.6MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2022-12-14 08:04:10,024 INFO L158 Benchmark]: Boogie Preprocessor took 22.85ms. Allocated memory is still 104.9MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:04:10,024 INFO L158 Benchmark]: RCFGBuilder took 309.76ms. Allocated memory is still 104.9MB. Free memory was 75.0MB in the beginning and 60.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 08:04:10,024 INFO L158 Benchmark]: TraceAbstraction took 980.06ms. Allocated memory is still 104.9MB. Free memory was 60.3MB in the beginning and 55.6MB in the end (delta: 4.7MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2022-12-14 08:04:10,025 INFO L158 Benchmark]: Witness Printer took 69.85ms. Allocated memory is still 104.9MB. Free memory was 55.6MB in the beginning and 52.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:04:10,027 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 56.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.93ms. Allocated memory is still 86.0MB. Free memory was 60.6MB in the beginning and 36.9MB in the end (delta: 23.6MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.33ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 36.9MB in the beginning and 77.6MB in the end (delta: -40.6MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.85ms. Allocated memory is still 104.9MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 309.76ms. Allocated memory is still 104.9MB. Free memory was 75.0MB in the beginning and 60.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 980.06ms. Allocated memory is still 104.9MB. Free memory was 60.3MB in the beginning and 55.6MB in the end (delta: 4.7MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Witness Printer took 69.85ms. Allocated memory is still 104.9MB. Free memory was 55.6MB in the beginning and 52.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1569]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_rand_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=1073741822, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=1073741825] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_multiply_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1567] COND TRUE data > 0 VAL [data=1073741825, dataPtr={5:0}, dataPtr={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data * 2 VAL [data=1073741825, dataPtr={5:0}, dataPtr={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1569]: 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 29 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 81 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 08:04:10,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bee8b9c-1294-457e-bcbb-f6e08203d025/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)