./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur --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 395823a210dfb153d2d61e8d9e85e14ae91d03e114192ce25734aaed65ae0e02 --- 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-38b53e6 [2022-11-25 22:29:18,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:29:18,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:29:18,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:29:18,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:29:18,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:29:18,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:29:18,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:29:18,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:29:18,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:29:18,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:29:18,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:29:18,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:29:18,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:29:18,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:29:18,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:29:18,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:29:18,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:29:18,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:29:18,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:29:18,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:29:18,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:29:18,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:29:18,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:29:18,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:29:18,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:29:18,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:29:18,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:29:18,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:29:18,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:29:18,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:29:18,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:29:18,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:29:18,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:29:18,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:29:18,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:29:18,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:29:18,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:29:18,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:29:18,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:29:18,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:29:18,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 22:29:18,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:29:18,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:29:18,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:29:18,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:29:18,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:29:18,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:29:18,248 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:29:18,249 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:29:18,249 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:29:18,249 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:29:18,250 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:29:18,251 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:29:18,251 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:29:18,251 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:29:18,252 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:29:18,252 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:29:18,252 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:29:18,252 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:29:18,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:29:18,254 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:29:18,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:29:18,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:29:18,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:29:18,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:29:18,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:29:18,255 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:29:18,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:29:18,256 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:29:18,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:29:18,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:29:18,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:29:18,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:29:18,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:29:18,259 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:29:18,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:29:18,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:29:18,259 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:29:18,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:29:18,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:29:18,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:29:18,260 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_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 395823a210dfb153d2d61e8d9e85e14ae91d03e114192ce25734aaed65ae0e02 [2022-11-25 22:29:18,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:29:18,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:29:18,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:29:18,639 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:29:18,639 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:29:18,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_bad.i [2022-11-25 22:29:21,915 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:29:22,340 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:29:22,342 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_bad.i [2022-11-25 22:29:22,378 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/data/71729808f/b0d2d360b64b4ca786197a75d63397f4/FLAG95198776b [2022-11-25 22:29:22,398 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/data/71729808f/b0d2d360b64b4ca786197a75d63397f4 [2022-11-25 22:29:22,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:29:22,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:29:22,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:29:22,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:29:22,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:29:22,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:29:22" (1/1) ... [2022-11-25 22:29:22,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70683acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:22, skipping insertion in model container [2022-11-25 22:29:22,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:29:22" (1/1) ... [2022-11-25 22:29:22,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:29:22,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:29:23,025 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:29:23,652 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:29:23,658 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:29:23,661 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:29:23,664 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:29:23,665 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:29:24,361 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:29:24,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:29:24,372 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:29:24,393 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:29:24,447 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:29:24,449 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:29:24,451 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:29:24,454 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:29:24,455 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:29:24,473 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:29:24,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:29:24,967 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:29:24,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:24 WrapperNode [2022-11-25 22:29:24,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:29:24,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:29:24,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:29:24,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:29:24,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:24" (1/1) ... [2022-11-25 22:29:25,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:24" (1/1) ... [2022-11-25 22:29:25,078 INFO L138 Inliner]: procedures = 938, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2022-11-25 22:29:25,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:29:25,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:29:25,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:29:25,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:29:25,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:24" (1/1) ... [2022-11-25 22:29:25,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:24" (1/1) ... [2022-11-25 22:29:25,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:24" (1/1) ... [2022-11-25 22:29:25,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:24" (1/1) ... [2022-11-25 22:29:25,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:24" (1/1) ... [2022-11-25 22:29:25,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:24" (1/1) ... [2022-11-25 22:29:25,108 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:24" (1/1) ... [2022-11-25 22:29:25,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:24" (1/1) ... [2022-11-25 22:29:25,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:29:25,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:29:25,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:29:25,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:29:25,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:24" (1/1) ... [2022-11-25 22:29:25,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:29:25,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:29:25,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:29:25,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:29:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:29:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:29:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:29:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:29:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:29:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:29:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:29:25,439 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:29:25,456 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:29:25,701 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:29:25,781 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:29:25,781 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:29:25,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:25 BoogieIcfgContainer [2022-11-25 22:29:25,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:29:25,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:29:25,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:29:25,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:29:25,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:29:22" (1/3) ... [2022-11-25 22:29:25,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad4a950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:29:25, skipping insertion in model container [2022-11-25 22:29:25,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:24" (2/3) ... [2022-11-25 22:29:25,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad4a950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:29:25, skipping insertion in model container [2022-11-25 22:29:25,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:25" (3/3) ... [2022-11-25 22:29:25,796 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_45_bad.i [2022-11-25 22:29:25,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:29:25,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:29:25,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:29:25,908 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;@1fc7bc8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:29:25,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:29:25,914 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) [2022-11-25 22:29:25,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 22:29:25,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:25,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 22:29:25,925 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:29:25,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:25,934 INFO L85 PathProgramCache]: Analyzing trace with hash 2123776881, now seen corresponding path program 1 times [2022-11-25 22:29:25,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:29:25,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963017846] [2022-11-25 22:29:25,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:25,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:29:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:29:26,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:29:26,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:29:26,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963017846] [2022-11-25 22:29:26,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963017846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:29:26,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:29:26,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 22:29:26,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884853019] [2022-11-25 22:29:26,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:29:26,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 22:29:26,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:29:26,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 22:29:26,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:29:26,403 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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) [2022-11-25 22:29:26,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:29:26,475 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-25 22:29:26,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 22:29:26,486 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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 [2022-11-25 22:29:26,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:29:26,494 INFO L225 Difference]: With dead ends: 12 [2022-11-25 22:29:26,494 INFO L226 Difference]: Without dead ends: 8 [2022-11-25 22:29:26,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:29:26,505 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:29:26,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:29:26,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-25 22:29:26,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-25 22:29:26,548 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) [2022-11-25 22:29:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-25 22:29:26,551 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-25 22:29:26,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:29:26,552 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-25 22:29:26,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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) [2022-11-25 22:29:26,554 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-25 22:29:26,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 22:29:26,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:26,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:29:26,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:29:26,557 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:29:26,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:26,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1412573924, now seen corresponding path program 1 times [2022-11-25 22:29:26,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:29:26,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572908327] [2022-11-25 22:29:26,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:26,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:29:26,626 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:29:26,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1244175157] [2022-11-25 22:29:26,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:26,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:29:26,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:29:26,638 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:29:26,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:29:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:29:26,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:29:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:29:26,870 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 22:29:26,871 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:29:26,872 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:29:26,874 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:29:26,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:29:27,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:29:27,085 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 22:29:27,090 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:29:27,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:29:27 BoogieIcfgContainer [2022-11-25 22:29:27,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:29:27,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:29:27,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:29:27,144 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:29:27,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:25" (3/4) ... [2022-11-25 22:29:27,153 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 22:29:27,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:29:27,156 INFO L158 Benchmark]: Toolchain (without parser) took 4748.90ms. Allocated memory was 153.1MB in the beginning and 237.0MB in the end (delta: 83.9MB). Free memory was 105.5MB in the beginning and 176.6MB in the end (delta: -71.1MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-11-25 22:29:27,157 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:29:27,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2557.97ms. Allocated memory was 153.1MB in the beginning and 237.0MB in the end (delta: 83.9MB). Free memory was 105.5MB in the beginning and 145.2MB in the end (delta: -39.7MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2022-11-25 22:29:27,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.39ms. Allocated memory is still 237.0MB. Free memory was 145.2MB in the beginning and 141.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:29:27,160 INFO L158 Benchmark]: Boogie Preprocessor took 38.57ms. Allocated memory is still 237.0MB. Free memory was 141.0MB in the beginning and 140.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:29:27,161 INFO L158 Benchmark]: RCFGBuilder took 665.81ms. Allocated memory is still 237.0MB. Free memory was 140.0MB in the beginning and 120.1MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 22:29:27,161 INFO L158 Benchmark]: TraceAbstraction took 1354.55ms. Allocated memory is still 237.0MB. Free memory was 119.0MB in the beginning and 176.6MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:29:27,162 INFO L158 Benchmark]: Witness Printer took 9.87ms. Allocated memory is still 237.0MB. Free memory is still 176.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:29:27,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2557.97ms. Allocated memory was 153.1MB in the beginning and 237.0MB in the end (delta: 83.9MB). Free memory was 105.5MB in the beginning and 145.2MB in the end (delta: -39.7MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.39ms. Allocated memory is still 237.0MB. Free memory was 145.2MB in the beginning and 141.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.57ms. Allocated memory is still 237.0MB. Free memory was 141.0MB in the beginning and 140.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 665.81ms. Allocated memory is still 237.0MB. Free memory was 140.0MB in the beginning and 120.1MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1354.55ms. Allocated memory is still 237.0MB. Free memory was 119.0MB in the beginning and 176.6MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.87ms. Allocated memory is still 237.0MB. Free memory is still 176.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1839]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1847, overapproximation of bitwiseAnd at line 1847. 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); [L1832] static int CWE190_Integer_Overflow__int_rand_square_45_badData; [L1833] static int CWE190_Integer_Overflow__int_rand_square_45_goodG2BData; [L1834] static int CWE190_Integer_Overflow__int_rand_square_45_goodB2GData; [L1854] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_square_45_badData=0, CWE190_Integer_Overflow__int_rand_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_square_45_goodG2BData=0, 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) [L1854] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={13:12}, argv={13:12}, CWE190_Integer_Overflow__int_rand_square_45_badData=0, CWE190_Integer_Overflow__int_rand_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_square_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1855] CALL CWE190_Integer_Overflow__int_rand_square_45_bad() [L1845] int data; [L1846] data = 0 [L1847] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1847] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1847] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1848] CWE190_Integer_Overflow__int_rand_square_45_badData = data [L1849] CALL badSink() [L1837] int data = CWE190_Integer_Overflow__int_rand_square_45_badData; VAL [CWE190_Integer_Overflow__int_rand_square_45_badData=2147483647, CWE190_Integer_Overflow__int_rand_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_square_45_goodG2BData=0, 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] [L1839] data * data VAL [CWE190_Integer_Overflow__int_rand_square_45_badData=2147483647, CWE190_Integer_Overflow__int_rand_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_square_45_goodG2BData=0, 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: 1839]: 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: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 [2022-11-25 22:29:27,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur --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 395823a210dfb153d2d61e8d9e85e14ae91d03e114192ce25734aaed65ae0e02 --- 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-38b53e6 [2022-11-25 22:29:30,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:29:30,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:29:30,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:29:30,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:29:30,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:29:30,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:29:30,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:29:30,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:29:30,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:29:30,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:29:30,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:29:30,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:29:30,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:29:30,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:29:30,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:29:30,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:29:30,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:29:30,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:29:30,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:29:30,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:29:30,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:29:30,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:29:30,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:29:30,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:29:30,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:29:30,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:29:30,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:29:30,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:29:30,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:29:30,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:29:30,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:29:30,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:29:30,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:29:30,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:29:30,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:29:30,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:29:30,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:29:30,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:29:30,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:29:30,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:29:30,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 22:29:30,184 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:29:30,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:29:30,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:29:30,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:29:30,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:29:30,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:29:30,187 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:29:30,188 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:29:30,188 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:29:30,188 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:29:30,189 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:29:30,190 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:29:30,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:29:30,191 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:29:30,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:29:30,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:29:30,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:29:30,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:29:30,192 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:29:30,192 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:29:30,192 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:29:30,193 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:29:30,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:29:30,193 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:29:30,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:29:30,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:29:30,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:29:30,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:29:30,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:29:30,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:29:30,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:29:30,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:29:30,195 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:29:30,196 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:29:30,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:29:30,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:29:30,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:29:30,196 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_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 395823a210dfb153d2d61e8d9e85e14ae91d03e114192ce25734aaed65ae0e02 [2022-11-25 22:29:30,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:29:30,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:29:30,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:29:30,693 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:29:30,694 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:29:30,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_bad.i [2022-11-25 22:29:34,029 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:29:34,552 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:29:34,552 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_bad.i [2022-11-25 22:29:34,592 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/data/fcc2e12d8/df48a53363434073bfd2a4eb38a2f2f5/FLAG7906b63e2 [2022-11-25 22:29:34,609 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/data/fcc2e12d8/df48a53363434073bfd2a4eb38a2f2f5 [2022-11-25 22:29:34,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:29:34,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:29:34,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:29:34,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:29:34,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:29:34,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:29:34" (1/1) ... [2022-11-25 22:29:34,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4784809b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:34, skipping insertion in model container [2022-11-25 22:29:34,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:29:34" (1/1) ... [2022-11-25 22:29:34,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:29:34,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:29:35,366 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:29:36,024 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:29:36,031 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:29:36,033 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:29:36,036 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:29:36,037 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:29:36,479 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:29:36,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:29:36,505 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:29:36,542 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:29:36,656 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:29:36,658 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:29:36,660 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:29:36,662 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:29:36,663 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:29:36,704 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:29:36,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:29:37,213 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:29:37,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37 WrapperNode [2022-11-25 22:29:37,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:29:37,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:29:37,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:29:37,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:29:37,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,344 INFO L138 Inliner]: procedures = 943, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2022-11-25 22:29:37,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:29:37,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:29:37,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:29:37,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:29:37,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,405 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:29:37,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:29:37,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:29:37,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:29:37,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:29:37,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:29:37,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:29:37,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:29:37,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:29:37,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:29:37,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:29:37,509 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:29:37,509 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:29:37,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:29:37,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 22:29:37,731 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:29:37,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:29:39,611 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:29:39,618 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:29:39,619 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:29:39,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:39 BoogieIcfgContainer [2022-11-25 22:29:39,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:29:39,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:29:39,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:29:39,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:29:39,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:29:34" (1/3) ... [2022-11-25 22:29:39,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a1c776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:29:39, skipping insertion in model container [2022-11-25 22:29:39,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (2/3) ... [2022-11-25 22:29:39,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a1c776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:29:39, skipping insertion in model container [2022-11-25 22:29:39,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:39" (3/3) ... [2022-11-25 22:29:39,633 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_45_bad.i [2022-11-25 22:29:39,657 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:29:39,657 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:29:39,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:29:39,729 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;@65b57b93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:29:39,730 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:29:39,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:29:39,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 22:29:39,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:39,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:29:39,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:29:39,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:39,756 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-11-25 22:29:39,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:29:39,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [233207585] [2022-11-25 22:29:39,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:39,776 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 [2022-11-25 22:29:39,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:29:39,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/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) [2022-11-25 22:29:39,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5853ec1f-c88a-4689-9cbb-1135479eec1d/bin/utaipan-ByfvJB40ur/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