./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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_1799b15f-a3c7-430f-a204-f1285e85c340/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 88172af0f2f2e9ba1d2cd1b3a961319536f89769b65163131d3901e1ad73d3b1 --- 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 10:40:04,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:40:04,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:40:04,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:40:04,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:40:04,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:40:04,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:40:04,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:40:04,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:40:04,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:40:04,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:40:04,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:40:04,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:40:04,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:40:04,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:40:04,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:40:04,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:40:04,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:40:04,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:40:04,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:40:04,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:40:04,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:40:04,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:40:04,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:40:04,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:40:04,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:40:04,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:40:04,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:40:04,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:40:04,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:40:04,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:40:04,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:40:04,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:40:04,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:40:04,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:40:04,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:40:04,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:40:04,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:40:04,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:40:04,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:40:04,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:40:04,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 10:40:04,996 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:40:04,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:40:04,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:40:04,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:40:04,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:40:04,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:40:04,997 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:40:04,997 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:40:04,997 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:40:04,997 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:40:04,997 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:40:04,997 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:40:04,997 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:40:04,997 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:40:04,997 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:40:04,998 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:40:04,998 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:40:04,998 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:40:04,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:40:04,998 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:40:04,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:40:04,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:40:04,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:40:04,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:40:04,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:40:04,999 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 10:40:04,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:40:04,999 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:40:04,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:40:04,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:40:04,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:40:05,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:40:05,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:40:05,000 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:40:05,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:40:05,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:40:05,000 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:40:05,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:40:05,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:40:05,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:40:05,000 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_1799b15f-a3c7-430f-a204-f1285e85c340/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88172af0f2f2e9ba1d2cd1b3a961319536f89769b65163131d3901e1ad73d3b1 [2022-12-14 10:40:05,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:40:05,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:40:05,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:40:05,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:40:05,186 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:40:05,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_16_bad.i [2022-12-14 10:40:07,874 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:40:08,069 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:40:08,069 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_16_bad.i [2022-12-14 10:40:08,082 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/data/358419e50/cd3a9d930b1948ed90db866a8ec3c762/FLAG1b0d2b6e4 [2022-12-14 10:40:08,092 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/data/358419e50/cd3a9d930b1948ed90db866a8ec3c762 [2022-12-14 10:40:08,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:40:08,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:40:08,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:40:08,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:40:08,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:40:08,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:40:08" (1/1) ... [2022-12-14 10:40:08,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4fb470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:08, skipping insertion in model container [2022-12-14 10:40:08,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:40:08" (1/1) ... [2022-12-14 10:40:08,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:40:08,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:40:08,400 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 10:40:08,677 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:40:08,681 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:40:08,682 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:40:08,684 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:40:08,684 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:40:08,702 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 10:40:08,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:40:08,709 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:40:08,722 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 10:40:08,761 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:40:08,762 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:40:08,763 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:40:08,765 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:40:08,765 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:40:08,769 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 10:40:08,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:40:08,845 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:40:08,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:08 WrapperNode [2022-12-14 10:40:08,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:40:08,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:40:08,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:40:08,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:40:08,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:08" (1/1) ... [2022-12-14 10:40:08,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:08" (1/1) ... [2022-12-14 10:40:08,882 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-12-14 10:40:08,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:40:08,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:40:08,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:40:08,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:40:08,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:08" (1/1) ... [2022-12-14 10:40:08,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:08" (1/1) ... [2022-12-14 10:40:08,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:08" (1/1) ... [2022-12-14 10:40:08,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:08" (1/1) ... [2022-12-14 10:40:08,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:08" (1/1) ... [2022-12-14 10:40:08,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:08" (1/1) ... [2022-12-14 10:40:08,899 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:08" (1/1) ... [2022-12-14 10:40:08,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:08" (1/1) ... [2022-12-14 10:40:08,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:40:08,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:40:08,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:40:08,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:40:08,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:08" (1/1) ... [2022-12-14 10:40:08,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:40:08,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:40:08,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:40:08,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:40:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 10:40:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 10:40:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:40:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:40:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:40:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 10:40:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:40:09,063 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:40:09,066 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:40:09,191 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:40:09,270 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:40:09,271 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 10:40:09,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:40:09 BoogieIcfgContainer [2022-12-14 10:40:09,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:40:09,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:40:09,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:40:09,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:40:09,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:40:08" (1/3) ... [2022-12-14 10:40:09,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20db3603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:40:09, skipping insertion in model container [2022-12-14 10:40:09,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:08" (2/3) ... [2022-12-14 10:40:09,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20db3603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:40:09, skipping insertion in model container [2022-12-14 10:40:09,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:40:09" (3/3) ... [2022-12-14 10:40:09,279 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_16_bad.i [2022-12-14 10:40:09,293 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:40:09,293 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 10:40:09,333 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:40:09,338 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;@be699f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:40:09,338 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 10:40:09,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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 10:40:09,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 10:40:09,347 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:40:09,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:40:09,348 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 10:40:09,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:40:09,352 INFO L85 PathProgramCache]: Analyzing trace with hash -579209621, now seen corresponding path program 1 times [2022-12-14 10:40:09,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:40:09,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473040795] [2022-12-14 10:40:09,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:40:09,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:40:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:40:09,547 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 10:40:09,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:40:09,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473040795] [2022-12-14 10:40:09,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473040795] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:40:09,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:40:09,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:40:09,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629466384] [2022-12-14 10:40:09,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:40:09,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:40:09,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:40:09,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:40:09,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:40:09,577 INFO L87 Difference]: Start difference. First operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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 3.0) internal successors, (6), 3 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 10:40:09,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:40:09,612 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-12-14 10:40:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:40:09,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) Word has length 8 [2022-12-14 10:40:09,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:40:09,618 INFO L225 Difference]: With dead ends: 25 [2022-12-14 10:40:09,618 INFO L226 Difference]: Without dead ends: 10 [2022-12-14 10:40:09,620 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 10:40:09,622 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 5 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:40:09,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 18 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:40:09,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-12-14 10:40:09,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-12-14 10:40:09,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 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 10:40:09,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2022-12-14 10:40:09,647 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 8 [2022-12-14 10:40:09,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:40:09,647 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2022-12-14 10:40:09,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 10:40:09,647 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2022-12-14 10:40:09,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 10:40:09,648 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:40:09,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:40:09,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:40:09,648 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 10:40:09,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:40:09,649 INFO L85 PathProgramCache]: Analyzing trace with hash -775628991, now seen corresponding path program 1 times [2022-12-14 10:40:09,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:40:09,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293798951] [2022-12-14 10:40:09,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:40:09,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:40:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 10:40:09,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 10:40:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 10:40:09,736 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 10:40:09,736 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 10:40:09,737 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 10:40:09,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 10:40:09,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:40:09,742 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 10:40:09,745 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 10:40:09,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 10:40:09 BoogieIcfgContainer [2022-12-14 10:40:09,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 10:40:09,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 10:40:09,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 10:40:09,761 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 10:40:09,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:40:09" (3/4) ... [2022-12-14 10:40:09,764 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 10:40:09,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 10:40:09,765 INFO L158 Benchmark]: Toolchain (without parser) took 1669.60ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 81.2MB in the beginning and 74.5MB in the end (delta: 6.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2022-12-14 10:40:09,765 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:40:09,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.39ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 80.9MB in the beginning and 75.9MB in the end (delta: 5.0MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-12-14 10:40:09,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.50ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 72.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 10:40:09,766 INFO L158 Benchmark]: Boogie Preprocessor took 18.76ms. Allocated memory is still 142.6MB. Free memory was 72.5MB in the beginning and 71.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:40:09,767 INFO L158 Benchmark]: RCFGBuilder took 370.73ms. Allocated memory is still 142.6MB. Free memory was 70.4MB in the beginning and 50.8MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 10:40:09,767 INFO L158 Benchmark]: TraceAbstraction took 486.35ms. Allocated memory is still 142.6MB. Free memory was 49.4MB in the beginning and 75.7MB in the end (delta: -26.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:40:09,767 INFO L158 Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 142.6MB. Free memory was 75.4MB in the beginning and 74.5MB in the end (delta: 941.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:40:09,769 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 749.39ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 80.9MB in the beginning and 75.9MB in the end (delta: 5.0MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.50ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 72.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.76ms. Allocated memory is still 142.6MB. Free memory was 72.5MB in the beginning and 71.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 370.73ms. Allocated memory is still 142.6MB. Free memory was 70.4MB in the beginning and 50.8MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 486.35ms. Allocated memory is still 142.6MB. Free memory was 49.4MB in the beginning and 75.7MB in the end (delta: -26.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.35ms. Allocated memory is still 142.6MB. Free memory was 75.4MB in the beginning and 74.5MB in the end (delta: 941.3kB). 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 - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483652:2147483651}, argv={2147483652:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_multiply_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE 1 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483649] [L1559] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483649] [L1561] data * 2 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483649] - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 11 mSDtfsCounter, 13 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=15occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 10:40:09,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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_1799b15f-a3c7-430f-a204-f1285e85c340/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 88172af0f2f2e9ba1d2cd1b3a961319536f89769b65163131d3901e1ad73d3b1 --- 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 10:40:11,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:40:11,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:40:11,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:40:11,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:40:11,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:40:11,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:40:11,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:40:11,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:40:11,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:40:11,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:40:11,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:40:11,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:40:11,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:40:11,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:40:11,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:40:11,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:40:11,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:40:11,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:40:11,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:40:11,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:40:11,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:40:11,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:40:11,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:40:11,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:40:11,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:40:11,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:40:11,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:40:11,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:40:11,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:40:11,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:40:11,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:40:11,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:40:11,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:40:11,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:40:11,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:40:11,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:40:11,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:40:11,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:40:11,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:40:11,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:40:11,425 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 10:40:11,448 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:40:11,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:40:11,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:40:11,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:40:11,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:40:11,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:40:11,450 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:40:11,450 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:40:11,451 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:40:11,451 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:40:11,451 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:40:11,451 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:40:11,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:40:11,452 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:40:11,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:40:11,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:40:11,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:40:11,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:40:11,453 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 10:40:11,453 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 10:40:11,454 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 10:40:11,454 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 10:40:11,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:40:11,454 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:40:11,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:40:11,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:40:11,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 10:40:11,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:40:11,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:40:11,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:40:11,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:40:11,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:40:11,456 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 10:40:11,456 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 10:40:11,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:40:11,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:40:11,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 10:40:11,457 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_1799b15f-a3c7-430f-a204-f1285e85c340/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88172af0f2f2e9ba1d2cd1b3a961319536f89769b65163131d3901e1ad73d3b1 [2022-12-14 10:40:11,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:40:11,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:40:11,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:40:11,714 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:40:11,714 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:40:11,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_16_bad.i [2022-12-14 10:40:14,390 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:40:14,631 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:40:14,632 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_16_bad.i [2022-12-14 10:40:14,650 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/data/0e0ae73b6/5e47a46d72764e7b844a7db5bdf88152/FLAG55d0860d6 [2022-12-14 10:40:14,665 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/data/0e0ae73b6/5e47a46d72764e7b844a7db5bdf88152 [2022-12-14 10:40:14,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:40:14,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:40:14,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:40:14,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:40:14,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:40:14,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:40:14" (1/1) ... [2022-12-14 10:40:14,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5220b8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:14, skipping insertion in model container [2022-12-14 10:40:14,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:40:14" (1/1) ... [2022-12-14 10:40:14,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:40:14,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:40:15,039 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 10:40:15,376 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:40:15,380 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:40:15,381 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:40:15,383 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:40:15,383 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:40:15,401 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 10:40:15,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:40:15,411 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:40:15,425 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 10:40:15,457 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:40:15,459 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:40:15,459 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:40:15,461 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:40:15,461 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:40:15,465 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 10:40:15,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:40:15,545 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:40:15,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:15 WrapperNode [2022-12-14 10:40:15,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:40:15,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:40:15,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:40:15,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:40:15,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:15" (1/1) ... [2022-12-14 10:40:15,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:15" (1/1) ... [2022-12-14 10:40:15,605 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-12-14 10:40:15,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:40:15,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:40:15,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:40:15,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:40:15,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:15" (1/1) ... [2022-12-14 10:40:15,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:15" (1/1) ... [2022-12-14 10:40:15,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:15" (1/1) ... [2022-12-14 10:40:15,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:15" (1/1) ... [2022-12-14 10:40:15,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:15" (1/1) ... [2022-12-14 10:40:15,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:15" (1/1) ... [2022-12-14 10:40:15,625 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:15" (1/1) ... [2022-12-14 10:40:15,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:15" (1/1) ... [2022-12-14 10:40:15,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:40:15,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:40:15,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:40:15,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:40:15,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:15" (1/1) ... [2022-12-14 10:40:15,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:40:15,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:40:15,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:40:15,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:40:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 10:40:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 10:40:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 10:40:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:40:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:40:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:40:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 10:40:15,812 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:40:15,813 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:40:15,923 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:40:15,929 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:40:15,929 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 10:40:15,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:40:15 BoogieIcfgContainer [2022-12-14 10:40:15,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:40:15,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:40:15,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:40:15,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:40:15,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:40:14" (1/3) ... [2022-12-14 10:40:15,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@272ecf0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:40:15, skipping insertion in model container [2022-12-14 10:40:15,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:15" (2/3) ... [2022-12-14 10:40:15,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@272ecf0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:40:15, skipping insertion in model container [2022-12-14 10:40:15,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:40:15" (3/3) ... [2022-12-14 10:40:15,939 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_16_bad.i [2022-12-14 10:40:15,958 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:40:15,958 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 10:40:15,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:40:16,000 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;@1e6e2d44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:40:16,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 10:40:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.5) internal successors, (27), 20 states have internal predecessors, (27), 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 10:40:16,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 10:40:16,009 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:40:16,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:40:16,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 10:40:16,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:40:16,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1189941773, now seen corresponding path program 1 times [2022-12-14 10:40:16,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:40:16,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908755262] [2022-12-14 10:40:16,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:40:16,026 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 10:40:16,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:40:16,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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 10:40:16,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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 10:40:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:40:16,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 10:40:16,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:40:16,155 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 10:40:16,156 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:40:16,156 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 10:40:16,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908755262] [2022-12-14 10:40:16,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908755262] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:40:16,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:40:16,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:40:16,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159401657] [2022-12-14 10:40:16,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:40:16,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 10:40:16,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 10:40:16,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 10:40:16,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 10:40:16,183 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.5) internal successors, (27), 20 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 10:40:16,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:40:16,197 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2022-12-14 10:40:16,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 10:40:16,198 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-14 10:40:16,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:40:16,202 INFO L225 Difference]: With dead ends: 41 [2022-12-14 10:40:16,202 INFO L226 Difference]: Without dead ends: 17 [2022-12-14 10:40:16,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 10:40:16,207 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:40:16,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:40:16,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-14 10:40:16,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-14 10:40:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 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 10:40:16,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-12-14 10:40:16,238 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 12 [2022-12-14 10:40:16,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:40:16,238 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-12-14 10:40:16,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 10:40:16,239 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-12-14 10:40:16,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 10:40:16,239 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:40:16,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:40:16,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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 10:40:16,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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 10:40:16,442 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 10:40:16,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:40:16,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1115729031, now seen corresponding path program 1 times [2022-12-14 10:40:16,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:40:16,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1510284103] [2022-12-14 10:40:16,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:40:16,450 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 10:40:16,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:40:16,454 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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 10:40:16,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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 10:40:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:40:16,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 10:40:16,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:40:16,535 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 10:40:16,536 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:40:16,536 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 10:40:16,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1510284103] [2022-12-14 10:40:16,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1510284103] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:40:16,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:40:16,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:40:16,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721672822] [2022-12-14 10:40:16,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:40:16,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:40:16,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 10:40:16,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:40:16,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:40:16,539 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 10:40:16,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:40:16,550 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2022-12-14 10:40:16,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:40:16,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14 [2022-12-14 10:40:16,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:40:16,551 INFO L225 Difference]: With dead ends: 17 [2022-12-14 10:40:16,551 INFO L226 Difference]: Without dead ends: 16 [2022-12-14 10:40:16,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 10:40:16,552 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:40:16,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 27 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:40:16,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-14 10:40:16,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-14 10:40:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 10:40:16,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-12-14 10:40:16,556 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 14 [2022-12-14 10:40:16,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:40:16,556 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-12-14 10:40:16,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 10:40:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-14 10:40:16,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 10:40:16,556 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:40:16,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:40:16,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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 10:40:16,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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 10:40:16,758 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 10:40:16,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:40:16,760 INFO L85 PathProgramCache]: Analyzing trace with hash 227861669, now seen corresponding path program 1 times [2022-12-14 10:40:16,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:40:16,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854884506] [2022-12-14 10:40:16,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:40:16,762 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 10:40:16,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:40:16,765 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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 10:40:16,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 10:40:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 10:40:16,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 10:40:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 10:40:16,919 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 10:40:16,919 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 10:40:16,920 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 10:40:16,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 10:40:16,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 10:40:17,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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 10:40:17,132 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 10:40:17,157 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 10:40:17,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 10:40:17 BoogieIcfgContainer [2022-12-14 10:40:17,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 10:40:17,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 10:40:17,242 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 10:40:17,242 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 10:40:17,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:40:15" (3/4) ... [2022-12-14 10:40:17,244 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 10:40:17,278 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 10:40:17,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 10:40:17,279 INFO L158 Benchmark]: Toolchain (without parser) took 2610.45ms. Allocated memory is still 77.6MB. Free memory was 56.5MB in the beginning and 45.8MB in the end (delta: 10.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-12-14 10:40:17,279 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:40:17,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 875.88ms. Allocated memory is still 77.6MB. Free memory was 56.2MB in the beginning and 45.2MB in the end (delta: 11.1MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2022-12-14 10:40:17,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.67ms. Allocated memory is still 77.6MB. Free memory was 45.2MB in the beginning and 42.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:40:17,280 INFO L158 Benchmark]: Boogie Preprocessor took 22.71ms. Allocated memory is still 77.6MB. Free memory was 42.0MB in the beginning and 39.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:40:17,280 INFO L158 Benchmark]: RCFGBuilder took 302.52ms. Allocated memory is still 77.6MB. Free memory was 39.9MB in the beginning and 46.2MB in the end (delta: -6.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-12-14 10:40:17,280 INFO L158 Benchmark]: TraceAbstraction took 1307.46ms. Allocated memory is still 77.6MB. Free memory was 45.8MB in the beginning and 48.2MB in the end (delta: -2.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-12-14 10:40:17,281 INFO L158 Benchmark]: Witness Printer took 36.94ms. Allocated memory is still 77.6MB. Free memory was 48.2MB in the beginning and 45.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:40:17,282 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 58.7MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 875.88ms. Allocated memory is still 77.6MB. Free memory was 56.2MB in the beginning and 45.2MB in the end (delta: 11.1MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.67ms. Allocated memory is still 77.6MB. Free memory was 45.2MB in the beginning and 42.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.71ms. Allocated memory is still 77.6MB. Free memory was 42.0MB in the beginning and 39.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.52ms. Allocated memory is still 77.6MB. Free memory was 39.9MB in the beginning and 46.2MB in the end (delta: -6.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1307.46ms. Allocated memory is still 77.6MB. Free memory was 45.8MB in the beginning and 48.2MB in the end (delta: -2.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Witness Printer took 36.94ms. Allocated memory is still 77.6MB. Free memory was 48.2MB in the beginning and 45.8MB in the end (delta: 2.4MB). 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 - CounterExampleResult [Line: 1561]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_multiply_16_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=1, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=1073741824] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE 1 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data * 2 VAL [data=1073741824, 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 42 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 10:40:17,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799b15f-a3c7-430f-a204-f1285e85c340/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)