./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_13_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_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7db165a86771fbc986ba4ff7485797e2bdc21a1440040d5be64d6bffd1d1098 --- 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 18:19:19,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:19:19,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:19:19,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:19:19,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:19:19,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:19:19,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:19:19,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:19:19,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:19:19,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:19:19,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:19:19,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:19:19,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:19:19,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:19:19,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:19:19,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:19:19,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:19:19,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:19:19,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:19:19,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:19:19,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:19:19,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:19:19,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:19:19,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:19:19,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:19:19,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:19:19,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:19:19,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:19:19,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:19:19,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:19:19,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:19:19,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:19:19,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:19:19,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:19:19,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:19:19,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:19:19,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:19:19,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:19:19,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:19:19,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:19:19,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:19:19,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 18:19:19,499 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:19:19,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:19:19,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:19:19,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:19:19,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:19:19,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:19:19,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:19:19,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:19:19,504 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:19:19,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:19:19,505 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:19:19,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:19:19,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:19:19,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:19:19,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:19:19,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:19:19,507 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:19:19,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:19:19,507 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:19:19,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:19:19,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:19:19,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:19:19,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:19:19,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:19:19,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:19:19,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:19:19,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:19:19,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:19:19,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:19:19,510 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:19:19,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:19:19,510 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:19:19,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:19:19,511 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7db165a86771fbc986ba4ff7485797e2bdc21a1440040d5be64d6bffd1d1098 [2022-11-25 18:19:19,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:19:19,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:19:19,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:19:19,819 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:19:19,819 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:19:19,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_13_bad.i [2022-11-25 18:19:22,841 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:19:23,271 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:19:23,272 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_13_bad.i [2022-11-25 18:19:23,308 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/data/8d23c42ef/c2856da2b44546c6867cc88815a20fc2/FLAGf1700a811 [2022-11-25 18:19:23,322 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/data/8d23c42ef/c2856da2b44546c6867cc88815a20fc2 [2022-11-25 18:19:23,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:19:23,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:19:23,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:19:23,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:19:23,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:19:23,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:19:23" (1/1) ... [2022-11-25 18:19:23,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d91d054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:23, skipping insertion in model container [2022-11-25 18:19:23,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:19:23" (1/1) ... [2022-11-25 18:19:23,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:19:23,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:19:23,910 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:19:24,568 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:19:24,574 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:19:24,577 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:19:24,580 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:19:24,586 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:19:25,140 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:19:25,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:19:25,150 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:19:25,168 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:19:25,218 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:19:25,221 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:19:25,223 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:19:25,226 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:19:25,227 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:19:25,241 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:19:25,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:19:25,664 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:19:25,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:25 WrapperNode [2022-11-25 18:19:25,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:19:25,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:19:25,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:19:25,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:19:25,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:25" (1/1) ... [2022-11-25 18:19:25,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:25" (1/1) ... [2022-11-25 18:19:25,725 INFO L138 Inliner]: procedures = 937, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-11-25 18:19:25,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:19:25,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:19:25,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:19:25,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:19:25,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:25" (1/1) ... [2022-11-25 18:19:25,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:25" (1/1) ... [2022-11-25 18:19:25,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:25" (1/1) ... [2022-11-25 18:19:25,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:25" (1/1) ... [2022-11-25 18:19:25,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:25" (1/1) ... [2022-11-25 18:19:25,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:25" (1/1) ... [2022-11-25 18:19:25,766 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:25" (1/1) ... [2022-11-25 18:19:25,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:25" (1/1) ... [2022-11-25 18:19:25,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:19:25,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:19:25,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:19:25,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:19:25,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:25" (1/1) ... [2022-11-25 18:19:25,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:19:25,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:19:25,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:19:25,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:19:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:19:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:19:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:19:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 18:19:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 18:19:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 18:19:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:19:25,994 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:19:25,996 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:19:26,263 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:19:26,269 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:19:26,269 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:19:26,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:19:26 BoogieIcfgContainer [2022-11-25 18:19:26,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:19:26,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:19:26,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:19:26,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:19:26,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:19:23" (1/3) ... [2022-11-25 18:19:26,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2605fec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:19:26, skipping insertion in model container [2022-11-25 18:19:26,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:25" (2/3) ... [2022-11-25 18:19:26,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2605fec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:19:26, skipping insertion in model container [2022-11-25 18:19:26,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:19:26" (3/3) ... [2022-11-25 18:19:26,280 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_13_bad.i [2022-11-25 18:19:26,299 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:19:26,299 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 18:19:26,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:19:26,353 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=PETRI_NET, 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;@406b5d98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:19:26,354 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 18:19:26,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 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) [2022-11-25 18:19:26,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 18:19:26,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:19:26,372 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:19:26,372 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 18:19:26,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:19:26,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-11-25 18:19:26,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:19:26,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446363473] [2022-11-25 18:19:26,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:19:26,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:19:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:26,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:19:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:26,620 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 18:19:26,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:19:26,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446363473] [2022-11-25 18:19:26,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446363473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:19:26,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:19:26,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 18:19:26,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305628282] [2022-11-25 18:19:26,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:19:26,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:19:26,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:19:26,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:19:26,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:19:26,664 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 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) [2022-11-25 18:19:26,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:19:26,684 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2022-11-25 18:19:26,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:19:26,686 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 [2022-11-25 18:19:26,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:19:26,693 INFO L225 Difference]: With dead ends: 23 [2022-11-25 18:19:26,693 INFO L226 Difference]: Without dead ends: 15 [2022-11-25 18:19:26,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 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 18:19:26,699 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 [2022-11-25 18:19:26,700 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] [2022-11-25 18:19:26,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-25 18:19:26,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-25 18:19:26,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:19:26,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-11-25 18:19:26,736 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2022-11-25 18:19:26,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:19:26,737 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-25 18:19:26,737 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) [2022-11-25 18:19:26,737 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-11-25 18:19:26,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 18:19:26,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:19:26,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:19:26,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:19:26,738 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 18:19:26,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:19:26,744 INFO L85 PathProgramCache]: Analyzing trace with hash -250853505, now seen corresponding path program 1 times [2022-11-25 18:19:26,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:19:26,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956101829] [2022-11-25 18:19:26,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:19:26,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:19:26,786 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 18:19:26,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534209741] [2022-11-25 18:19:26,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:19:26,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:19:26,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:19:26,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:19:26,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 18:19:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:26,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 18:19:26,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:19:26,937 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 18:19:26,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:19:26,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:19:26,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956101829] [2022-11-25 18:19:26,938 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 18:19:26,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534209741] [2022-11-25 18:19:26,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534209741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:19:26,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:19:26,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:19:26,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162152926] [2022-11-25 18:19:26,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:19:26,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:19:26,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:19:26,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:19:26,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:19:26,942 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:19:26,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:19:26,948 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-11-25 18:19:26,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:19:26,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 18:19:26,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:19:26,950 INFO L225 Difference]: With dead ends: 19 [2022-11-25 18:19:26,950 INFO L226 Difference]: Without dead ends: 15 [2022-11-25 18:19:26,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:19:26,951 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:19:26,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:19:26,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-25 18:19:26,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-25 18:19:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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 18:19:26,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-11-25 18:19:26,956 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2022-11-25 18:19:26,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:19:26,957 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-25 18:19:26,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:19:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-25 18:19:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 18:19:26,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:19:26,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:19:26,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:19:27,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:19:27,163 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 18:19:27,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:19:27,164 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-11-25 18:19:27,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:19:27,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51231536] [2022-11-25 18:19:27,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:19:27,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:19:27,198 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 18:19:27,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1336504347] [2022-11-25 18:19:27,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:19:27,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:19:27,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:19:27,200 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:19:27,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 18:19:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:19:27,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:19:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:19:27,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:19:27,380 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:19:27,382 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 18:19:27,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 18:19:27,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:19:27,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-25 18:19:27,593 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 18:19:27,599 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:19:27,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:19:27 BoogieIcfgContainer [2022-11-25 18:19:27,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:19:27,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:19:27,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:19:27,662 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:19:27,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:19:26" (3/4) ... [2022-11-25 18:19:27,666 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:19:27,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:19:27,672 INFO L158 Benchmark]: Toolchain (without parser) took 4340.64ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 122.0MB in the beginning and 77.6MB in the end (delta: 44.4MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2022-11-25 18:19:27,673 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 159.4MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:19:27,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2336.45ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 121.4MB in the beginning and 145.7MB in the end (delta: -24.3MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2022-11-25 18:19:27,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.73ms. Allocated memory is still 192.9MB. Free memory was 145.7MB in the beginning and 141.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:19:27,679 INFO L158 Benchmark]: Boogie Preprocessor took 43.19ms. Allocated memory is still 192.9MB. Free memory was 141.5MB in the beginning and 140.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:19:27,680 INFO L158 Benchmark]: RCFGBuilder took 501.03ms. Allocated memory is still 192.9MB. Free memory was 140.5MB in the beginning and 125.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 18:19:27,682 INFO L158 Benchmark]: TraceAbstraction took 1383.56ms. Allocated memory is still 192.9MB. Free memory was 124.7MB in the beginning and 78.6MB in the end (delta: 46.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-25 18:19:27,685 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 192.9MB. Free memory was 78.6MB in the beginning and 77.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:19:27,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 159.4MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2336.45ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 121.4MB in the beginning and 145.7MB in the end (delta: -24.3MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.73ms. Allocated memory is still 192.9MB. Free memory was 145.7MB in the beginning and 141.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.19ms. Allocated memory is still 192.9MB. Free memory was 141.5MB in the beginning and 140.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.03ms. Allocated memory is still 192.9MB. Free memory was 140.5MB in the beginning and 125.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1383.56ms. Allocated memory is still 192.9MB. Free memory was 124.7MB in the beginning and 78.6MB in the end (delta: 46.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 192.9MB. Free memory was 78.6MB in the beginning and 77.6MB in the end (delta: 1.0MB). 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: 1843]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1838, overapproximation of bitwiseAnd at line 1838. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1851] 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) [L1851] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={14:13}, argv={14:13}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1852] CALL CWE190_Integer_Overflow__int_rand_square_13_bad() [L1834] int data; [L1835] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1836] COND TRUE GLOBAL_CONST_FIVE==5 [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] 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()=2147483647, rand()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1840] COND TRUE GLOBAL_CONST_FIVE==5 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1843] data * data VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1843]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 75 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 18:19:27,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/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_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7db165a86771fbc986ba4ff7485797e2bdc21a1440040d5be64d6bffd1d1098 --- 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 18:19:30,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:19:30,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:19:30,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:19:30,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:19:30,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:19:30,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:19:30,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:19:30,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:19:30,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:19:30,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:19:30,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:19:30,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:19:30,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:19:30,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:19:30,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:19:30,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:19:30,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:19:30,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:19:30,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:19:30,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:19:30,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:19:30,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:19:30,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:19:30,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:19:30,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:19:30,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:19:30,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:19:30,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:19:30,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:19:30,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:19:30,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:19:30,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:19:30,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:19:30,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:19:30,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:19:30,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:19:30,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:19:30,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:19:30,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:19:30,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:19:30,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 18:19:30,290 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:19:30,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:19:30,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:19:30,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:19:30,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:19:30,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:19:30,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:19:30,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:19:30,297 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:19:30,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:19:30,298 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:19:30,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:19:30,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:19:30,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:19:30,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:19:30,299 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:19:30,300 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 18:19:30,300 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:19:30,300 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 18:19:30,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:19:30,301 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:19:30,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:19:30,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:19:30,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:19:30,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:19:30,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:19:30,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:19:30,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:19:30,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:19:30,303 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 18:19:30,303 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 18:19:30,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:19:30,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:19:30,304 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:19:30,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:19:30,304 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 18:19:30,305 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7db165a86771fbc986ba4ff7485797e2bdc21a1440040d5be64d6bffd1d1098 [2022-11-25 18:19:30,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:19:30,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:19:30,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:19:30,683 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:19:30,683 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:19:30,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_13_bad.i [2022-11-25 18:19:33,660 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:19:34,181 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:19:34,182 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_13_bad.i [2022-11-25 18:19:34,221 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/data/3ac9cb298/e0e8a919800341279143509a300208e7/FLAG254d5884b [2022-11-25 18:19:34,240 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/data/3ac9cb298/e0e8a919800341279143509a300208e7 [2022-11-25 18:19:34,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:19:34,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:19:34,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:19:34,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:19:34,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:19:34,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:19:34" (1/1) ... [2022-11-25 18:19:34,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fb6d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:34, skipping insertion in model container [2022-11-25 18:19:34,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:19:34" (1/1) ... [2022-11-25 18:19:34,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:19:34,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:19:34,796 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:19:35,359 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:19:35,366 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:19:35,369 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:19:35,380 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:19:35,381 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:19:35,890 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:19:35,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:19:35,912 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:19:35,958 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:19:36,038 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:19:36,040 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:19:36,041 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:19:36,043 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:19:36,044 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:19:36,058 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:19:36,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:19:36,325 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:19:36,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:36 WrapperNode [2022-11-25 18:19:36,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:19:36,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:19:36,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:19:36,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:19:36,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:36" (1/1) ... [2022-11-25 18:19:36,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:36" (1/1) ... [2022-11-25 18:19:36,391 INFO L138 Inliner]: procedures = 942, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-11-25 18:19:36,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:19:36,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:19:36,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:19:36,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:19:36,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:36" (1/1) ... [2022-11-25 18:19:36,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:36" (1/1) ... [2022-11-25 18:19:36,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:36" (1/1) ... [2022-11-25 18:19:36,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:36" (1/1) ... [2022-11-25 18:19:36,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:36" (1/1) ... [2022-11-25 18:19:36,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:36" (1/1) ... [2022-11-25 18:19:36,421 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:36" (1/1) ... [2022-11-25 18:19:36,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:36" (1/1) ... [2022-11-25 18:19:36,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:19:36,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:19:36,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:19:36,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:19:36,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:36" (1/1) ... [2022-11-25 18:19:36,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:19:36,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:19:36,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:19:36,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:19:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:19:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:19:36,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:19:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 18:19:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 18:19:36,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 18:19:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 18:19:36,748 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:19:36,750 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:19:39,161 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:19:39,172 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:19:39,172 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:19:39,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:19:39 BoogieIcfgContainer [2022-11-25 18:19:39,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:19:39,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:19:39,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:19:39,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:19:39,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:19:34" (1/3) ... [2022-11-25 18:19:39,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d1dd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:19:39, skipping insertion in model container [2022-11-25 18:19:39,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:19:36" (2/3) ... [2022-11-25 18:19:39,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d1dd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:19:39, skipping insertion in model container [2022-11-25 18:19:39,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:19:39" (3/3) ... [2022-11-25 18:19:39,190 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_13_bad.i [2022-11-25 18:19:39,211 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:19:39,211 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 18:19:39,276 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:19:39,282 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=PETRI_NET, 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;@11b3b85b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:19:39,282 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 18:19:39,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 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) [2022-11-25 18:19:39,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 18:19:39,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:19:39,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:19:39,294 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 18:19:39,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:19:39,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-11-25 18:19:39,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:19:39,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602548650] [2022-11-25 18:19:39,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:19:39,310 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 18:19:39,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:19:39,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/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 18:19:39,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:19:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:39,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:19:39,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:19:39,568 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 18:19:39,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:19:39,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:19:39,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602548650] [2022-11-25 18:19:39,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [602548650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:19:39,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:19:39,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:19:39,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909439182] [2022-11-25 18:19:39,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:19:39,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:19:39,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:19:39,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:19:39,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:19:39,635 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 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 3 states, 3 states have (on average 3.0) 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) [2022-11-25 18:19:39,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:19:39,684 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-11-25 18:19:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:19:39,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) 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 [2022-11-25 18:19:39,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:19:39,693 INFO L225 Difference]: With dead ends: 39 [2022-11-25 18:19:39,693 INFO L226 Difference]: Without dead ends: 16 [2022-11-25 18:19:39,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:19:39,699 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:19:39,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 23 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:19:39,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-25 18:19:39,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-25 18:19:39,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:19:39,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-11-25 18:19:39,734 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2022-11-25 18:19:39,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:19:39,735 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-11-25 18:19:39,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) 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) [2022-11-25 18:19:39,735 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-11-25 18:19:39,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 18:19:39,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:19:39,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:19:39,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:19:39,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/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 18:19:39,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 18:19:39,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:19:39,951 INFO L85 PathProgramCache]: Analyzing trace with hash 804858586, now seen corresponding path program 1 times [2022-11-25 18:19:39,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:19:39,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143783946] [2022-11-25 18:19:39,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:19:39,952 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 18:19:39,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:19:39,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/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 18:19:39,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:19:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:19:40,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:19:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:19:40,181 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 18:19:40,181 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:19:40,183 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 18:19:40,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 18:19:40,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:19:40,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/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 18:19:40,389 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 18:19:40,393 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:19:40,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:19:40 BoogieIcfgContainer [2022-11-25 18:19:40,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:19:40,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:19:40,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:19:40,435 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:19:40,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:19:39" (3/4) ... [2022-11-25 18:19:40,444 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 18:19:40,499 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:19:40,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:19:40,500 INFO L158 Benchmark]: Toolchain (without parser) took 6253.34ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 47.1MB in the beginning and 41.4MB in the end (delta: 5.7MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2022-11-25 18:19:40,501 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 73.4MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:19:40,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2074.29ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 46.8MB in the beginning and 60.4MB in the end (delta: -13.5MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2022-11-25 18:19:40,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.07ms. Allocated memory is still 102.8MB. Free memory was 60.4MB in the beginning and 56.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:19:40,502 INFO L158 Benchmark]: Boogie Preprocessor took 33.46ms. Allocated memory is still 102.8MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:19:40,503 INFO L158 Benchmark]: RCFGBuilder took 2747.96ms. Allocated memory is still 102.8MB. Free memory was 54.1MB in the beginning and 40.8MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 18:19:40,503 INFO L158 Benchmark]: TraceAbstraction took 1252.33ms. Allocated memory is still 102.8MB. Free memory was 40.1MB in the beginning and 43.5MB in the end (delta: -3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:19:40,503 INFO L158 Benchmark]: Witness Printer took 65.88ms. Allocated memory is still 102.8MB. Free memory was 43.5MB in the beginning and 41.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:19:40,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 73.4MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2074.29ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 46.8MB in the beginning and 60.4MB in the end (delta: -13.5MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.07ms. Allocated memory is still 102.8MB. Free memory was 60.4MB in the beginning and 56.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.46ms. Allocated memory is still 102.8MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2747.96ms. Allocated memory is still 102.8MB. Free memory was 54.1MB in the beginning and 40.8MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1252.33ms. Allocated memory is still 102.8MB. Free memory was 40.1MB in the beginning and 43.5MB in the end (delta: -3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.88ms. Allocated memory is still 102.8MB. Free memory was 43.5MB in the beginning and 41.4MB 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: 1843]: 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] [L1851] 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) [L1851] 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] [L1852] CALL CWE190_Integer_Overflow__int_rand_square_13_bad() [L1834] int data; [L1835] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1836] COND TRUE GLOBAL_CONST_FIVE==5 [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] 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()=65536, rand()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1840] COND TRUE GLOBAL_CONST_FIVE==5 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1843] data * data VAL [data=-2147483648, 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: 1843]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 23 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 18:19:40,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6703ba42-887f-43de-ba12-a91d3159d511/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)