./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_54_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_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/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_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/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_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/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 e369c7b54f9e18c212e8aaf15e83ad1e195b64b1dbfb395c0791d7a8d3cda162 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 10:34:27,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:34:27,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:34:27,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:34:27,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:34:27,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:34:27,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:34:27,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:34:27,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:34:27,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:34:27,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:34:27,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:34:27,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:34:27,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:34:27,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:34:27,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:34:27,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:34:27,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:34:27,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:34:27,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:34:27,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:34:27,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:34:27,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:34:27,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:34:27,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:34:27,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:34:27,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:34:27,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:34:27,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:34:27,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:34:27,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:34:27,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:34:27,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:34:27,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:34:27,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:34:27,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:34:27,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:34:27,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:34:27,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:34:27,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:34:27,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:34:27,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 10:34:27,220 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:34:27,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:34:27,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:34:27,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:34:27,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:34:27,221 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:34:27,221 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:34:27,221 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:34:27,221 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:34:27,221 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:34:27,221 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:34:27,221 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:34:27,222 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:34:27,222 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:34:27,222 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:34:27,222 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:34:27,222 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:34:27,222 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:34:27,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:34:27,223 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:34:27,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:34:27,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:34:27,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:34:27,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:34:27,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:34:27,223 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 10:34:27,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:34:27,224 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:34:27,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:34:27,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:34:27,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:34:27,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:34:27,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:34:27,224 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:34:27,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:34:27,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:34:27,225 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:34:27,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:34:27,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:34:27,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:34:27,225 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_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e369c7b54f9e18c212e8aaf15e83ad1e195b64b1dbfb395c0791d7a8d3cda162 [2022-12-14 10:34:27,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:34:27,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:34:27,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:34:27,405 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:34:27,406 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:34:27,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_54_bad.i [2022-12-14 10:34:30,017 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:34:30,246 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:34:30,247 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_54_bad.i [2022-12-14 10:34:30,259 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/data/a32b3972a/5fda4ceaaf60435ca672452738280beb/FLAGaf45bc081 [2022-12-14 10:34:30,269 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/data/a32b3972a/5fda4ceaaf60435ca672452738280beb [2022-12-14 10:34:30,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:34:30,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:34:30,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:34:30,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:34:30,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:34:30,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:34:30" (1/1) ... [2022-12-14 10:34:30,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4403f617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:30, skipping insertion in model container [2022-12-14 10:34:30,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:34:30" (1/1) ... [2022-12-14 10:34:30,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:34:30,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:34:30,565 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 10:34:30,837 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:34:30,841 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:34:30,842 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:34:30,844 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:34:30,845 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:34:30,865 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 10:34:30,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:34:30,878 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:34:30,892 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 10:34:30,924 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:34:30,925 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:34:30,926 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:34:30,927 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:34:30,928 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:34:30,931 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 10:34:30,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:34:31,041 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:34:31,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:31 WrapperNode [2022-12-14 10:34:31,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:34:31,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:34:31,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:34:31,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:34:31,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:31" (1/1) ... [2022-12-14 10:34:31,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:31" (1/1) ... [2022-12-14 10:34:31,088 INFO L138 Inliner]: procedures = 503, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2022-12-14 10:34:31,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:34:31,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:34:31,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:34:31,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:34:31,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:31" (1/1) ... [2022-12-14 10:34:31,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:31" (1/1) ... [2022-12-14 10:34:31,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:31" (1/1) ... [2022-12-14 10:34:31,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:31" (1/1) ... [2022-12-14 10:34:31,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:31" (1/1) ... [2022-12-14 10:34:31,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:31" (1/1) ... [2022-12-14 10:34:31,106 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:31" (1/1) ... [2022-12-14 10:34:31,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:31" (1/1) ... [2022-12-14 10:34:31,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:34:31,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:34:31,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:34:31,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:34:31,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:31" (1/1) ... [2022-12-14 10:34:31,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:34:31,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:34:31,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:34:31,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:34:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 10:34:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 10:34:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:34:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:34:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:34:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 10:34:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:34:31,282 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:34:31,284 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:34:31,398 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:34:31,467 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:34:31,467 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 10:34:31,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:34:31 BoogieIcfgContainer [2022-12-14 10:34:31,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:34:31,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:34:31,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:34:31,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:34:31,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:34:30" (1/3) ... [2022-12-14 10:34:31,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8d2955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:34:31, skipping insertion in model container [2022-12-14 10:34:31,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:31" (2/3) ... [2022-12-14 10:34:31,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8d2955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:34:31, skipping insertion in model container [2022-12-14 10:34:31,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:34:31" (3/3) ... [2022-12-14 10:34:31,476 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_54_bad.i [2022-12-14 10:34:31,490 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:34:31,490 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 10:34:31,524 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:34:31,529 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;@3f9658c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:34:31,529 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 10:34:31,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 10:34:31,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 10:34:31,538 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:34:31,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 10:34:31,539 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 10:34:31,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:34:31,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1907712766, now seen corresponding path program 1 times [2022-12-14 10:34:31,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:34:31,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912433352] [2022-12-14 10:34:31,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:34:31,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:34:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:34:31,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:34:31,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:34:31,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912433352] [2022-12-14 10:34:31,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912433352] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:34:31,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:34:31,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:34:31,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013804656] [2022-12-14 10:34:31,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:34:31,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:34:31,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:34:31,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:34:31,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:34:31,957 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 10:34:31,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:34:31,994 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-12-14 10:34:31,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:34:31,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 6 [2022-12-14 10:34:31,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:34:32,002 INFO L225 Difference]: With dead ends: 12 [2022-12-14 10:34:32,003 INFO L226 Difference]: Without dead ends: 8 [2022-12-14 10:34:32,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:34:32,008 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:34:32,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:34:32,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-12-14 10:34:32,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-12-14 10:34:32,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 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 10:34:32,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-12-14 10:34:32,037 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-12-14 10:34:32,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:34:32,038 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-12-14 10:34:32,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 10:34:32,038 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-12-14 10:34:32,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 10:34:32,038 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:34:32,038 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:34:32,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:34:32,039 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 10:34:32,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:34:32,040 INFO L85 PathProgramCache]: Analyzing trace with hash 990446451, now seen corresponding path program 1 times [2022-12-14 10:34:32,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:34:32,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039288887] [2022-12-14 10:34:32,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:34:32,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:34:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 10:34:32,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 10:34:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 10:34:32,128 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 10:34:32,128 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 10:34:32,130 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 10:34:32,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 10:34:32,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:34:32,136 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 10:34:32,140 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 10:34:32,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 10:34:32 BoogieIcfgContainer [2022-12-14 10:34:32,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 10:34:32,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 10:34:32,162 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 10:34:32,163 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 10:34:32,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:34:31" (3/4) ... [2022-12-14 10:34:32,166 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 10:34:32,166 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 10:34:32,167 INFO L158 Benchmark]: Toolchain (without parser) took 1894.85ms. Allocated memory was 151.0MB in the beginning and 218.1MB in the end (delta: 67.1MB). Free memory was 114.6MB in the beginning and 148.2MB in the end (delta: -33.6MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2022-12-14 10:34:32,168 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 151.0MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:34:32,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 768.45ms. Allocated memory was 151.0MB in the beginning and 218.1MB in the end (delta: 67.1MB). Free memory was 114.2MB in the beginning and 162.7MB in the end (delta: -48.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2022-12-14 10:34:32,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.02ms. Allocated memory is still 218.1MB. Free memory was 162.7MB in the beginning and 159.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 10:34:32,169 INFO L158 Benchmark]: Boogie Preprocessor took 21.59ms. Allocated memory is still 218.1MB. Free memory was 159.5MB in the beginning and 157.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:34:32,170 INFO L158 Benchmark]: RCFGBuilder took 358.99ms. Allocated memory is still 218.1MB. Free memory was 157.4MB in the beginning and 137.5MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 10:34:32,170 INFO L158 Benchmark]: TraceAbstraction took 690.29ms. Allocated memory is still 218.1MB. Free memory was 137.5MB in the beginning and 149.3MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:34:32,171 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 218.1MB. Free memory was 149.3MB in the beginning and 148.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:34:32,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 151.0MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 768.45ms. Allocated memory was 151.0MB in the beginning and 218.1MB in the end (delta: 67.1MB). Free memory was 114.2MB in the beginning and 162.7MB in the end (delta: -48.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.02ms. Allocated memory is still 218.1MB. Free memory was 162.7MB in the beginning and 159.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.59ms. Allocated memory is still 218.1MB. Free memory was 159.5MB in the beginning and 157.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.99ms. Allocated memory is still 218.1MB. Free memory was 157.4MB in the beginning and 137.5MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 690.29ms. Allocated memory is still 218.1MB. Free memory was 137.5MB in the beginning and 149.3MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 218.1MB. Free memory was 149.3MB in the beginning and 148.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={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] [L1560] CALL CWE190_Integer_Overflow__int_rand_postinc_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_postinc_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_postinc_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_postinc_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_rand_postinc_54e_badSink(data) [L1582] data++ VAL [\old(data)=2147483647, data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1582]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 10:34:32,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/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_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/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_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/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 e369c7b54f9e18c212e8aaf15e83ad1e195b64b1dbfb395c0791d7a8d3cda162 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 10:34:33,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:34:33,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:34:33,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:34:33,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:34:33,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:34:33,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:34:33,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:34:33,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:34:33,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:34:33,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:34:33,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:34:33,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:34:33,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:34:33,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:34:33,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:34:33,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:34:33,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:34:33,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:34:33,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:34:33,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:34:33,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:34:33,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:34:33,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:34:33,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:34:33,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:34:33,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:34:33,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:34:33,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:34:33,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:34:33,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:34:33,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:34:33,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:34:33,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:34:33,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:34:33,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:34:33,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:34:33,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:34:33,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:34:33,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:34:33,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:34:33,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 10:34:33,897 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:34:33,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:34:33,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:34:33,898 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:34:33,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:34:33,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:34:33,899 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:34:33,899 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:34:33,899 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:34:33,899 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:34:33,899 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:34:33,899 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:34:33,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:34:33,900 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:34:33,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:34:33,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:34:33,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:34:33,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:34:33,900 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 10:34:33,901 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 10:34:33,901 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 10:34:33,901 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 10:34:33,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:34:33,901 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:34:33,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:34:33,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:34:33,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 10:34:33,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:34:33,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:34:33,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:34:33,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:34:33,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:34:33,910 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 10:34:33,910 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 10:34:33,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:34:33,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:34:33,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 10:34:33,911 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_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e369c7b54f9e18c212e8aaf15e83ad1e195b64b1dbfb395c0791d7a8d3cda162 [2022-12-14 10:34:34,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:34:34,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:34:34,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:34:34,165 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:34:34,165 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:34:34,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_54_bad.i [2022-12-14 10:34:36,790 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:34:36,987 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:34:36,988 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_54_bad.i [2022-12-14 10:34:37,001 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/data/f6d2f20be/4ff17803dd6049ad8a9264d1c477d12d/FLAG201e36cfa [2022-12-14 10:34:37,012 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/data/f6d2f20be/4ff17803dd6049ad8a9264d1c477d12d [2022-12-14 10:34:37,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:34:37,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:34:37,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:34:37,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:34:37,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:34:37,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:34:37" (1/1) ... [2022-12-14 10:34:37,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef883b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:37, skipping insertion in model container [2022-12-14 10:34:37,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:34:37" (1/1) ... [2022-12-14 10:34:37,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:34:37,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:34:37,303 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 10:34:37,598 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:34:37,603 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:34:37,604 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:34:37,606 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:34:37,607 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:34:37,627 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 10:34:37,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:34:37,646 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:34:37,665 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 10:34:37,712 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:34:37,713 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:34:37,714 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 10:34:37,716 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:34:37,717 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 10:34:37,721 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 10:34:37,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:34:37,827 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:34:37,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:37 WrapperNode [2022-12-14 10:34:37,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:34:37,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:34:37,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:34:37,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:34:37,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:37" (1/1) ... [2022-12-14 10:34:37,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:37" (1/1) ... [2022-12-14 10:34:37,869 INFO L138 Inliner]: procedures = 508, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2022-12-14 10:34:37,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:34:37,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:34:37,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:34:37,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:34:37,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:37" (1/1) ... [2022-12-14 10:34:37,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:37" (1/1) ... [2022-12-14 10:34:37,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:37" (1/1) ... [2022-12-14 10:34:37,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:37" (1/1) ... [2022-12-14 10:34:37,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:37" (1/1) ... [2022-12-14 10:34:37,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:37" (1/1) ... [2022-12-14 10:34:37,887 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:37" (1/1) ... [2022-12-14 10:34:37,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:37" (1/1) ... [2022-12-14 10:34:37,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:34:37,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:34:37,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:34:37,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:34:37,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:37" (1/1) ... [2022-12-14 10:34:37,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:34:37,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:34:37,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:34:37,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:34:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 10:34:37,953 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 10:34:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 10:34:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:34:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:34:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:34:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 10:34:38,073 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:34:38,075 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:34:38,184 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:34:38,190 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:34:38,191 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 10:34:38,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:34:38 BoogieIcfgContainer [2022-12-14 10:34:38,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:34:38,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:34:38,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:34:38,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:34:38,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:34:37" (1/3) ... [2022-12-14 10:34:38,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b75a92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:34:38, skipping insertion in model container [2022-12-14 10:34:38,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:34:37" (2/3) ... [2022-12-14 10:34:38,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b75a92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:34:38, skipping insertion in model container [2022-12-14 10:34:38,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:34:38" (3/3) ... [2022-12-14 10:34:38,201 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_54_bad.i [2022-12-14 10:34:38,219 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:34:38,219 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 10:34:38,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:34:38,259 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;@429779be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:34:38,259 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 10:34:38,263 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 10:34:38,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 10:34:38,269 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:34:38,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:34:38,270 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 10:34:38,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:34:38,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1515872846, now seen corresponding path program 1 times [2022-12-14 10:34:38,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:34:38,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092562090] [2022-12-14 10:34:38,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:34:38,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:34:38,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:34:38,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 10:34:38,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 10:34:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:34:38,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 10:34:38,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:34:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:34:38,401 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:34:38,402 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 10:34:38,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092562090] [2022-12-14 10:34:38,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092562090] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:34:38,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:34:38,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 10:34:38,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098879757] [2022-12-14 10:34:38,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:34:38,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 10:34:38,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 10:34:38,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 10:34:38,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 10:34:38,429 INFO L87 Difference]: Start difference. First operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 10:34:38,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:34:38,443 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2022-12-14 10:34:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 10:34:38,444 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 10:34:38,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:34:38,449 INFO L225 Difference]: With dead ends: 25 [2022-12-14 10:34:38,449 INFO L226 Difference]: Without dead ends: 13 [2022-12-14 10:34:38,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 10:34:38,455 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:34:38,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:34:38,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-14 10:34:38,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-14 10:34:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 10:34:38,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-14 10:34:38,481 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-14 10:34:38,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:34:38,481 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-14 10:34:38,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 10:34:38,481 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 10:34:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 10:34:38,482 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:34:38,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:34:38,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 10:34:38,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:34:38,684 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 10:34:38,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:34:38,686 INFO L85 PathProgramCache]: Analyzing trace with hash 252582083, now seen corresponding path program 1 times [2022-12-14 10:34:38,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:34:38,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829319531] [2022-12-14 10:34:38,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:34:38,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:34:38,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:34:38,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 10:34:38,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 10:34:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 10:34:38,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 10:34:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 10:34:38,951 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 10:34:38,951 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 10:34:38,953 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 10:34:38,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 10:34:38,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/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 10:34:39,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 10:34:39,171 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 10:34:39,184 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 10:34:39,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 10:34:39 BoogieIcfgContainer [2022-12-14 10:34:39,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 10:34:39,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 10:34:39,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 10:34:39,227 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 10:34:39,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:34:38" (3/4) ... [2022-12-14 10:34:39,229 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 10:34:39,256 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 10:34:39,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 10:34:39,257 INFO L158 Benchmark]: Toolchain (without parser) took 2242.26ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 42.8MB in the end (delta: 17.5MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-12-14 10:34:39,257 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:34:39,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.56ms. Allocated memory is still 96.5MB. Free memory was 60.1MB in the beginning and 67.2MB in the end (delta: -7.1MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2022-12-14 10:34:39,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.28ms. Allocated memory is still 96.5MB. Free memory was 67.2MB in the beginning and 64.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:34:39,258 INFO L158 Benchmark]: Boogie Preprocessor took 20.62ms. Allocated memory is still 96.5MB. Free memory was 64.2MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:34:39,258 INFO L158 Benchmark]: RCFGBuilder took 302.26ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 48.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 10:34:39,258 INFO L158 Benchmark]: TraceAbstraction took 1031.14ms. Allocated memory is still 96.5MB. Free memory was 47.9MB in the beginning and 44.9MB in the end (delta: 3.0MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2022-12-14 10:34:39,259 INFO L158 Benchmark]: Witness Printer took 29.88ms. Allocated memory is still 96.5MB. Free memory was 44.9MB in the beginning and 42.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:34:39,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.56ms. Allocated memory is still 96.5MB. Free memory was 60.1MB in the beginning and 67.2MB in the end (delta: -7.1MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.28ms. Allocated memory is still 96.5MB. Free memory was 67.2MB in the beginning and 64.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.62ms. Allocated memory is still 96.5MB. Free memory was 64.2MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.26ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 48.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1031.14ms. Allocated memory is still 96.5MB. Free memory was 47.9MB in the beginning and 44.9MB in the end (delta: 3.0MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 29.88ms. Allocated memory is still 96.5MB. Free memory was 44.9MB in the beginning and 42.8MB in the end (delta: 2.1MB). 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: 1582]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_postinc_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=2, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_postinc_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_postinc_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_postinc_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_rand_postinc_54e_badSink(data) [L1582] data++ VAL [\old(data)=2147483647, data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1582]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 10:34:39,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e1a9a3-478a-46e3-acaa-3ed2401c2da8/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)