./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/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_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/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_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/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 39ca4c94e0ade64f55a198e34d6db6eb7d7577aaa16081fe7bfb5d04e138d6dd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:03:29,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:03:29,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:03:29,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:03:29,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:03:29,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:03:29,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:03:29,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:03:29,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:03:29,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:03:29,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:03:29,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:03:29,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:03:29,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:03:29,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:03:29,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:03:29,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:03:29,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:03:29,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:03:29,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:03:29,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:03:29,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:03:29,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:03:29,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:03:29,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:03:29,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:03:29,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:03:29,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:03:29,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:03:29,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:03:29,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:03:29,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:03:29,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:03:29,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:03:29,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:03:29,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:03:29,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:03:29,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:03:29,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:03:29,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:03:29,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:03:29,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 08:03:29,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:03:29,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:03:29,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:03:29,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:03:29,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:03:29,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:03:29,180 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:03:29,180 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:03:29,180 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:03:29,180 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:03:29,180 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:03:29,180 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:03:29,181 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:03:29,181 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:03:29,181 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:03:29,181 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:03:29,181 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:03:29,181 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:03:29,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:03:29,182 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:03:29,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:03:29,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:03:29,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:03:29,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:03:29,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:03:29,182 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:03:29,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:03:29,182 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:03:29,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:03:29,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:03:29,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:03:29,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:03:29,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:03:29,183 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:03:29,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:03:29,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:03:29,183 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:03:29,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:03:29,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:03:29,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:03:29,183 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_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39ca4c94e0ade64f55a198e34d6db6eb7d7577aaa16081fe7bfb5d04e138d6dd [2022-12-14 08:03:29,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:03:29,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:03:29,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:03:29,367 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:03:29,367 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:03:29,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_bad.i [2022-12-14 08:03:31,921 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:03:32,164 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:03:32,165 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_bad.i [2022-12-14 08:03:32,185 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/data/29126427f/fde57a9c635b4eba89c5a0a7d405f7e0/FLAGef1ababf0 [2022-12-14 08:03:32,198 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/data/29126427f/fde57a9c635b4eba89c5a0a7d405f7e0 [2022-12-14 08:03:32,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:03:32,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:03:32,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:03:32,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:03:32,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:03:32,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:03:32" (1/1) ... [2022-12-14 08:03:32,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40aca317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:32, skipping insertion in model container [2022-12-14 08:03:32,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:03:32" (1/1) ... [2022-12-14 08:03:32,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:03:32,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:03:32,505 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:03:32,845 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:03:32,851 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:03:32,853 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:03:32,855 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:03:32,856 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:03:32,880 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:03:32,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:03:32,889 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:03:32,904 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:03:32,935 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:03:32,936 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:03:32,937 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:03:32,939 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:03:32,939 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:03:32,943 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:03:32,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:03:33,042 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:03:33,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:33 WrapperNode [2022-12-14 08:03:33,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:03:33,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:03:33,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:03:33,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:03:33,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:33" (1/1) ... [2022-12-14 08:03:33,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:33" (1/1) ... [2022-12-14 08:03:33,081 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2022-12-14 08:03:33,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:03:33,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:03:33,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:03:33,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:03:33,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:33" (1/1) ... [2022-12-14 08:03:33,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:33" (1/1) ... [2022-12-14 08:03:33,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:33" (1/1) ... [2022-12-14 08:03:33,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:33" (1/1) ... [2022-12-14 08:03:33,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:33" (1/1) ... [2022-12-14 08:03:33,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:33" (1/1) ... [2022-12-14 08:03:33,098 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:33" (1/1) ... [2022-12-14 08:03:33,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:33" (1/1) ... [2022-12-14 08:03:33,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:03:33,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:03:33,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:03:33,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:03:33,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:33" (1/1) ... [2022-12-14 08:03:33,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:03:33,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:03:33,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:03:33,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:03:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 08:03:33,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 08:03:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:03:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:03:33,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:03:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 08:03:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:03:33,267 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:03:33,269 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:03:33,409 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:03:33,470 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:03:33,471 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 08:03:33,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:33 BoogieIcfgContainer [2022-12-14 08:03:33,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:03:33,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:03:33,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:03:33,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:03:33,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:03:32" (1/3) ... [2022-12-14 08:03:33,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d7bd2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:03:33, skipping insertion in model container [2022-12-14 08:03:33,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:33" (2/3) ... [2022-12-14 08:03:33,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d7bd2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:03:33, skipping insertion in model container [2022-12-14 08:03:33,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:33" (3/3) ... [2022-12-14 08:03:33,481 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_17_bad.i [2022-12-14 08:03:33,500 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:03:33,500 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-14 08:03:33,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:03:33,547 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;@3e11422e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:03:33,547 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-14 08:03:33,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 08:03:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 08:03:33,559 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:33,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:03:33,560 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 08:03:33,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:33,566 INFO L85 PathProgramCache]: Analyzing trace with hash 696374673, now seen corresponding path program 1 times [2022-12-14 08:03:33,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:03:33,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644612241] [2022-12-14 08:03:33,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:33,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:03:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:03:33,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:03:33,936 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:03:33,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644612241] [2022-12-14 08:03:33,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644612241] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:03:33,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:03:33,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:03:33,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162253510] [2022-12-14 08:03:33,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:03:33,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:03:33,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:03:33,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:03:33,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:03:33,968 INFO L87 Difference]: Start difference. First operand has 22 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:03:34,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:03:34,025 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2022-12-14 08:03:34,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:03:34,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-12-14 08:03:34,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:03:34,032 INFO L225 Difference]: With dead ends: 41 [2022-12-14 08:03:34,032 INFO L226 Difference]: Without dead ends: 22 [2022-12-14 08:03:34,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:03:34,037 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:03:34,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 42 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:03:34,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-12-14 08:03:34,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-12-14 08:03:34,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 19 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:03:34,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-12-14 08:03:34,064 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 7 [2022-12-14 08:03:34,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:03:34,064 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-12-14 08:03:34,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:03:34,064 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-12-14 08:03:34,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 08:03:34,065 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:34,065 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:03:34,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:03:34,065 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 08:03:34,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:34,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1005907646, now seen corresponding path program 1 times [2022-12-14 08:03:34,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:03:34,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706004095] [2022-12-14 08:03:34,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:34,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:03:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:03:34,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:03:34,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:03:34,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706004095] [2022-12-14 08:03:34,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706004095] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:03:34,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496043435] [2022-12-14 08:03:34,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:34,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:03:34,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:03:34,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:03:34,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:03:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:03:34,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 08:03:34,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:03:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:03:34,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:03:34,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496043435] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:03:34,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 08:03:34,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 08:03:34,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679301744] [2022-12-14 08:03:34,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:03:34,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:03:34,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:03:34,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:03:34,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 08:03:34,303 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:03:34,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:03:34,330 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2022-12-14 08:03:34,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:03:34,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-12-14 08:03:34,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:03:34,331 INFO L225 Difference]: With dead ends: 32 [2022-12-14 08:03:34,331 INFO L226 Difference]: Without dead ends: 18 [2022-12-14 08:03:34,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:03:34,332 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 22 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:03:34,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 23 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:03:34,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-12-14 08:03:34,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-12-14 08:03:34,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 15 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 08:03:34,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-12-14 08:03:34,335 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 10 [2022-12-14 08:03:34,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:03:34,335 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-12-14 08:03:34,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:03:34,335 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-12-14 08:03:34,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 08:03:34,336 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:34,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:03:34,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:03:34,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:03:34,538 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 08:03:34,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:34,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1118373192, now seen corresponding path program 1 times [2022-12-14 08:03:34,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:03:34,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946227480] [2022-12-14 08:03:34,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:34,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:03:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:03:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:03:34,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:03:34,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946227480] [2022-12-14 08:03:34,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946227480] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:03:34,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:03:34,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:03:34,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789386008] [2022-12-14 08:03:34,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:03:34,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:03:34,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:03:34,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:03:34,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:03:34,749 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:03:34,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:03:34,766 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2022-12-14 08:03:34,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:03:34,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 08:03:34,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:03:34,767 INFO L225 Difference]: With dead ends: 18 [2022-12-14 08:03:34,767 INFO L226 Difference]: Without dead ends: 17 [2022-12-14 08:03:34,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:03:34,769 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 6 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:03:34,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 12 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:03:34,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-14 08:03:34,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-14 08:03:34,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 14 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 08:03:34,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2022-12-14 08:03:34,773 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 11 [2022-12-14 08:03:34,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:03:34,773 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2022-12-14 08:03:34,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:03:34,773 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-12-14 08:03:34,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 08:03:34,774 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:34,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:03:34,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:03:34,774 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 08:03:34,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:34,775 INFO L85 PathProgramCache]: Analyzing trace with hash 309830663, now seen corresponding path program 1 times [2022-12-14 08:03:34,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:03:34,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552192321] [2022-12-14 08:03:34,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:34,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:03:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:03:34,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:03:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:03:34,817 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:03:34,817 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:03:34,818 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-14 08:03:34,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-14 08:03:34,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-14 08:03:34,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-14 08:03:34,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-14 08:03:34,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-14 08:03:34,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:03:34,823 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 08:03:34,826 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:03:34,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:03:34 BoogieIcfgContainer [2022-12-14 08:03:34,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:03:34,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:03:34,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:03:34,844 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:03:34,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:33" (3/4) ... [2022-12-14 08:03:34,846 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 08:03:34,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:03:34,847 INFO L158 Benchmark]: Toolchain (without parser) took 2644.91ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 100.5MB in the beginning and 106.3MB in the end (delta: -5.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 08:03:34,847 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 94.4MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:03:34,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 838.99ms. Allocated memory is still 140.5MB. Free memory was 100.5MB in the beginning and 89.2MB in the end (delta: 11.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2022-12-14 08:03:34,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.21ms. Allocated memory is still 140.5MB. Free memory was 89.2MB in the beginning and 85.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 08:03:34,848 INFO L158 Benchmark]: Boogie Preprocessor took 19.37ms. Allocated memory is still 140.5MB. Free memory was 85.8MB in the beginning and 84.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:03:34,848 INFO L158 Benchmark]: RCFGBuilder took 372.11ms. Allocated memory is still 140.5MB. Free memory was 84.4MB in the beginning and 65.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 08:03:34,848 INFO L158 Benchmark]: TraceAbstraction took 1367.41ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 64.8MB in the beginning and 106.3MB in the end (delta: -41.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:03:34,849 INFO L158 Benchmark]: Witness Printer took 3.05ms. Allocated memory is still 169.9MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:03:34,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 94.4MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 838.99ms. Allocated memory is still 140.5MB. Free memory was 100.5MB in the beginning and 89.2MB in the end (delta: 11.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.21ms. Allocated memory is still 140.5MB. Free memory was 89.2MB in the beginning and 85.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.37ms. Allocated memory is still 140.5MB. Free memory was 85.8MB in the beginning and 84.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 372.11ms. Allocated memory is still 140.5MB. Free memory was 84.4MB in the beginning and 65.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1367.41ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 64.8MB in the beginning and 106.3MB in the end (delta: -41.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.05ms. Allocated memory is still 169.9MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1555, overapproximation of bitwiseAnd at line 1555. 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); [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, argv={2147483650:2147483649}, 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 CWE190_Integer_Overflow__int_rand_preinc_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 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, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1557] COND TRUE j < 1 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1560] ++data VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 77 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 36 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 1 NumberOfNonLiveVariables, 92 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 4/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 08:03:34,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/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_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/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_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/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 39ca4c94e0ade64f55a198e34d6db6eb7d7577aaa16081fe7bfb5d04e138d6dd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:03:36,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:03:36,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:03:36,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:03:36,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:03:36,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:03:36,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:03:36,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:03:36,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:03:36,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:03:36,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:03:36,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:03:36,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:03:36,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:03:36,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:03:36,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:03:36,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:03:36,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:03:36,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:03:36,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:03:36,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:03:36,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:03:36,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:03:36,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:03:36,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:03:36,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:03:36,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:03:36,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:03:36,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:03:36,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:03:36,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:03:36,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:03:36,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:03:36,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:03:36,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:03:36,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:03:36,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:03:36,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:03:36,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:03:36,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:03:36,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:03:36,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 08:03:36,544 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:03:36,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:03:36,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:03:36,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:03:36,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:03:36,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:03:36,545 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:03:36,546 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:03:36,546 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:03:36,546 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:03:36,546 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:03:36,546 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:03:36,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:03:36,547 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:03:36,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:03:36,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:03:36,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:03:36,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:03:36,548 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:03:36,548 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 08:03:36,548 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:03:36,548 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 08:03:36,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:03:36,549 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:03:36,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:03:36,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:03:36,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 08:03:36,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:03:36,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:03:36,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:03:36,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:03:36,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:03:36,550 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 08:03:36,550 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 08:03:36,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:03:36,550 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:03:36,551 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 08:03:36,551 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_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39ca4c94e0ade64f55a198e34d6db6eb7d7577aaa16081fe7bfb5d04e138d6dd [2022-12-14 08:03:36,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:03:36,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:03:36,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:03:36,793 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:03:36,793 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:03:36,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_bad.i [2022-12-14 08:03:39,374 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:03:39,644 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:03:39,644 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_bad.i [2022-12-14 08:03:39,672 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/data/37a561de3/1b437543306148e4aec4d181e05fbff1/FLAG0c09b7918 [2022-12-14 08:03:39,683 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/data/37a561de3/1b437543306148e4aec4d181e05fbff1 [2022-12-14 08:03:39,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:03:39,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:03:39,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:03:39,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:03:39,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:03:39,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:03:39" (1/1) ... [2022-12-14 08:03:39,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cab9272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:39, skipping insertion in model container [2022-12-14 08:03:39,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:03:39" (1/1) ... [2022-12-14 08:03:39,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:03:39,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:03:39,934 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:03:40,206 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:03:40,210 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:03:40,211 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:03:40,213 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:03:40,213 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:03:40,231 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:03:40,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:03:40,242 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:03:40,261 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:03:40,295 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:03:40,296 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:03:40,297 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:03:40,298 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:03:40,299 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:03:40,303 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:03:40,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:03:40,413 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:03:40,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40 WrapperNode [2022-12-14 08:03:40,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:03:40,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:03:40,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:03:40,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:03:40,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 08:03:40,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 08:03:40,467 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2022-12-14 08:03:40,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:03:40,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:03:40,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:03:40,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:03:40,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 08:03:40,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 08:03:40,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 08:03:40,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 08:03:40,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 08:03:40,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 08:03:40,491 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 08:03:40,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 08:03:40,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:03:40,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:03:40,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:03:40,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:03:40,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 08:03:40,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:03:40,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:03:40,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:03:40,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:03:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 08:03:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 08:03:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 08:03:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:03:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:03:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:03:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 08:03:40,674 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:03:40,676 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:03:40,810 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:03:40,815 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:03:40,816 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 08:03:40,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:40 BoogieIcfgContainer [2022-12-14 08:03:40,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:03:40,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:03:40,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:03:40,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:03:40,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:03:39" (1/3) ... [2022-12-14 08:03:40,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7185f618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:03:40, skipping insertion in model container [2022-12-14 08:03:40,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (2/3) ... [2022-12-14 08:03:40,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7185f618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:03:40, skipping insertion in model container [2022-12-14 08:03:40,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:40" (3/3) ... [2022-12-14 08:03:40,826 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_17_bad.i [2022-12-14 08:03:40,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:03:40,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-14 08:03:40,883 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:03:40,888 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;@49bc687d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:03:40,889 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-14 08:03:40,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 24 states have (on average 1.5) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 08:03:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 08:03:40,897 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:40,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:03:40,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 08:03:40,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:40,902 INFO L85 PathProgramCache]: Analyzing trace with hash 182604032, now seen corresponding path program 1 times [2022-12-14 08:03:40,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:03:40,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522249886] [2022-12-14 08:03:40,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:40,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:03:40,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:03:40,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:03:40,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 08:03:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:03:40,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 08:03:41,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:03:41,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:03:41,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:03:41,017 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:03:41,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522249886] [2022-12-14 08:03:41,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [522249886] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:03:41,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:03:41,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:03:41,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108914567] [2022-12-14 08:03:41,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:03:41,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 08:03:41,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:03:41,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 08:03:41,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:03:41,054 INFO L87 Difference]: Start difference. First operand has 34 states, 24 states have (on average 1.5) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 10.0) 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 08:03:41,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:03:41,075 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2022-12-14 08:03:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 08:03:41,077 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) 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 08:03:41,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:03:41,081 INFO L225 Difference]: With dead ends: 54 [2022-12-14 08:03:41,081 INFO L226 Difference]: Without dead ends: 25 [2022-12-14 08:03:41,083 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 08:03:41,085 INFO L413 NwaCegarLoop]: 35 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, 35 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 08:03:41,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:03:41,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-14 08:03:41,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-12-14 08:03:41,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.3) internal successors, (26), 22 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:03:41,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-12-14 08:03:41,109 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 12 [2022-12-14 08:03:41,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:03:41,109 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-12-14 08:03:41,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) 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 08:03:41,110 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-14 08:03:41,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 08:03:41,110 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:41,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:03:41,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:03:41,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:03:41,313 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 08:03:41,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:41,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1365757775, now seen corresponding path program 1 times [2022-12-14 08:03:41,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:03:41,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039318172] [2022-12-14 08:03:41,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:41,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:03:41,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:03:41,321 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:03:41,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 08:03:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:03:41,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 08:03:41,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:03:41,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:03:41,536 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:03:41,536 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:03:41,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039318172] [2022-12-14 08:03:41,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039318172] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:03:41,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:03:41,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:03:41,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039619729] [2022-12-14 08:03:41,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:03:41,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:03:41,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:03:41,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:03:41,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:03:41,538 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:03:41,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:03:41,553 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2022-12-14 08:03:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:03:41,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2022-12-14 08:03:41,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:03:41,554 INFO L225 Difference]: With dead ends: 42 [2022-12-14 08:03:41,554 INFO L226 Difference]: Without dead ends: 32 [2022-12-14 08:03:41,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:03:41,555 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 7 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:03:41,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 49 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:03:41,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-12-14 08:03:41,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2022-12-14 08:03:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:03:41,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-12-14 08:03:41,559 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 13 [2022-12-14 08:03:41,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:03:41,559 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-12-14 08:03:41,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:03:41,559 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-12-14 08:03:41,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 08:03:41,560 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:41,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:03:41,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 08:03:41,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:03:41,762 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 08:03:41,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:41,764 INFO L85 PathProgramCache]: Analyzing trace with hash -567406958, now seen corresponding path program 1 times [2022-12-14 08:03:41,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:03:41,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429182696] [2022-12-14 08:03:41,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:41,766 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:03:41,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:03:41,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:03:41,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/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 08:03:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:03:41,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:03:41,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:03:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:03:41,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:03:41,979 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:03:41,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429182696] [2022-12-14 08:03:41,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429182696] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:03:41,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:03:41,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:03:41,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102573700] [2022-12-14 08:03:41,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:03:41,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:03:41,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:03:41,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:03:41,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:03:41,981 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 08:03:42,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:03:42,015 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-12-14 08:03:42,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:03:42,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 08:03:42,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:03:42,017 INFO L225 Difference]: With dead ends: 32 [2022-12-14 08:03:42,017 INFO L226 Difference]: Without dead ends: 31 [2022-12-14 08:03:42,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:03:42,019 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 3 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:03:42,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 69 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:03:42,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-14 08:03:42,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-12-14 08:03:42,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 28 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:03:42,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2022-12-14 08:03:42,024 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 14 [2022-12-14 08:03:42,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:03:42,024 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2022-12-14 08:03:42,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 08:03:42,025 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-12-14 08:03:42,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 08:03:42,025 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:42,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:03:42,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/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)] Forceful destruction successful, exit code 0 [2022-12-14 08:03:42,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:03:42,228 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 08:03:42,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:42,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1370342168, now seen corresponding path program 1 times [2022-12-14 08:03:42,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:03:42,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019870792] [2022-12-14 08:03:42,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:42,231 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:03:42,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:03:42,234 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:03:42,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/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 (5)] Waiting until timeout for monitored process [2022-12-14 08:03:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:03:42,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:03:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:03:42,436 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 08:03:42,436 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:03:42,437 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-14 08:03:42,438 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-14 08:03:42,438 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-14 08:03:42,438 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-14 08:03:42,438 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-14 08:03:42,439 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-14 08:03:42,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/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 (5)] Ended with exit code 0 [2022-12-14 08:03:42,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:03:42,650 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 08:03:42,664 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:03:42,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:03:42 BoogieIcfgContainer [2022-12-14 08:03:42,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:03:42,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:03:42,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:03:42,707 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:03:42,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:40" (3/4) ... [2022-12-14 08:03:42,708 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 08:03:42,735 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 08:03:42,735 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:03:42,735 INFO L158 Benchmark]: Toolchain (without parser) took 3049.33ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 51.0MB in the beginning and 53.0MB in the end (delta: -2.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-12-14 08:03:42,735 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory is still 29.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:03:42,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 726.76ms. Allocated memory is still 71.3MB. Free memory was 50.7MB in the beginning and 26.1MB in the end (delta: 24.6MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-12-14 08:03:42,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.05ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 26.1MB in the beginning and 58.3MB in the end (delta: -32.1MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-12-14 08:03:42,736 INFO L158 Benchmark]: Boogie Preprocessor took 27.00ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:03:42,737 INFO L158 Benchmark]: RCFGBuilder took 322.24ms. Allocated memory is still 86.0MB. Free memory was 56.2MB in the beginning and 41.6MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 08:03:42,737 INFO L158 Benchmark]: TraceAbstraction took 1886.21ms. Allocated memory is still 86.0MB. Free memory was 41.0MB in the beginning and 55.5MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:03:42,737 INFO L158 Benchmark]: Witness Printer took 28.35ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 53.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:03:42,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory is still 29.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 726.76ms. Allocated memory is still 71.3MB. Free memory was 50.7MB in the beginning and 26.1MB in the end (delta: 24.6MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.05ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 26.1MB in the beginning and 58.3MB in the end (delta: -32.1MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.00ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 322.24ms. Allocated memory is still 86.0MB. Free memory was 56.2MB in the beginning and 41.6MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1886.21ms. Allocated memory is still 86.0MB. Free memory was 41.0MB in the beginning and 55.5MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 28.35ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 53.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1560]: 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] [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_rand_preinc_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 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, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] 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, i=0, rand()=32767, rand()=1, rand()=32767, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1557] j = 0 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1557] COND TRUE j < 1 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1560] ++data VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: 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, 34 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 153 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 85 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 2 NumberOfNonLiveVariables, 144 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 08:03:42,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4d1608-6f0d-48ed-9d9d-7af15e9ca9ed/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)