./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_18_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8 --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 00d97b32796b54e240f5e1c9f04d2ff3241d4d6d6eef881ae1770375ee5062f5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:20:49,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:20:49,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:20:49,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:20:49,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:20:49,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:20:49,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:20:49,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:20:49,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:20:49,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:20:49,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:20:49,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:20:49,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:20:49,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:20:49,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:20:49,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:20:49,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:20:49,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:20:49,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:20:49,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:20:49,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:20:49,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:20:49,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:20:49,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:20:49,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:20:49,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:20:49,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:20:49,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:20:49,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:20:49,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:20:49,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:20:49,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:20:49,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:20:49,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:20:49,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:20:49,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:20:49,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:20:49,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:20:49,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:20:49,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:20:49,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:20:49,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:20:49,462 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:20:49,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:20:49,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:20:49,463 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:20:49,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:20:49,464 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:20:49,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:20:49,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:20:49,465 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:20:49,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:20:49,465 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:20:49,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:20:49,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:20:49,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:20:49,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:20:49,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:20:49,466 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:20:49,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:20:49,467 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:20:49,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:20:49,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:20:49,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:20:49,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:20:49,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:20:49,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:20:49,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:20:49,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:20:49,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:20:49,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:20:49,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:20:49,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:20:49,469 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:20:49,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:20:49,469 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:20:49,470 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_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00d97b32796b54e240f5e1c9f04d2ff3241d4d6d6eef881ae1770375ee5062f5 [2022-12-13 18:20:49,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:20:49,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:20:49,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:20:49,663 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:20:49,663 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:20:49,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_18_good.i [2022-12-13 18:20:52,196 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:20:52,425 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:20:52,426 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_18_good.i [2022-12-13 18:20:52,438 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/data/8cac13644/7acef6b0d8934549b470b162d30fec93/FLAG72a64e8fa [2022-12-13 18:20:52,773 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/data/8cac13644/7acef6b0d8934549b470b162d30fec93 [2022-12-13 18:20:52,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:20:52,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:20:52,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:20:52,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:20:52,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:20:52,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:20:52" (1/1) ... [2022-12-13 18:20:52,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aae8456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:52, skipping insertion in model container [2022-12-13 18:20:52,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:20:52" (1/1) ... [2022-12-13 18:20:52,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:20:52,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:20:53,079 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:20:53,402 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:20:53,406 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:20:53,407 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:20:53,409 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:20:53,409 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:20:53,429 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:20:53,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:20:53,436 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:20:53,448 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:20:53,479 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:20:53,480 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:20:53,481 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:20:53,483 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:20:53,483 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:20:53,488 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:20:53,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:20:53,601 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:20:53,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:53 WrapperNode [2022-12-13 18:20:53,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:20:53,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:20:53,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:20:53,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:20:53,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:53" (1/1) ... [2022-12-13 18:20:53,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:53" (1/1) ... [2022-12-13 18:20:53,642 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2022-12-13 18:20:53,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:20:53,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:20:53,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:20:53,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:20:53,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:53" (1/1) ... [2022-12-13 18:20:53,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:53" (1/1) ... [2022-12-13 18:20:53,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:53" (1/1) ... [2022-12-13 18:20:53,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:53" (1/1) ... [2022-12-13 18:20:53,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:53" (1/1) ... [2022-12-13 18:20:53,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:53" (1/1) ... [2022-12-13 18:20:53,664 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:53" (1/1) ... [2022-12-13 18:20:53,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:53" (1/1) ... [2022-12-13 18:20:53,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:20:53,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:20:53,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:20:53,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:20:53,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:53" (1/1) ... [2022-12-13 18:20:53,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:20:53,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:20:53,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:20:53,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:20:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 18:20:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 18:20:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:20:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:20:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:20:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:20:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:20:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:20:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:20:53,840 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:20:53,842 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:20:53,967 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:20:53,971 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:20:53,971 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:20:53,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:20:53 BoogieIcfgContainer [2022-12-13 18:20:53,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:20:53,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:20:53,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:20:53,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:20:53,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:20:52" (1/3) ... [2022-12-13 18:20:53,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fac154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:20:53, skipping insertion in model container [2022-12-13 18:20:53,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:53" (2/3) ... [2022-12-13 18:20:53,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fac154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:20:53, skipping insertion in model container [2022-12-13 18:20:53,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:20:53" (3/3) ... [2022-12-13 18:20:53,979 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_18_good.i [2022-12-13 18:20:53,992 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:20:53,992 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 18:20:54,026 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:20:54,030 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;@7bfe1087, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:20:54,030 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 18:20:54,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 28 states have internal predecessors, (30), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 18:20:54,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 18:20:54,039 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:20:54,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:20:54,040 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 18:20:54,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:54,043 INFO L85 PathProgramCache]: Analyzing trace with hash -879559313, now seen corresponding path program 1 times [2022-12-13 18:20:54,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:20:54,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504222747] [2022-12-13 18:20:54,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:20:54,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:20:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:54,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:20:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:54,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:54,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:20:54,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504222747] [2022-12-13 18:20:54,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504222747] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:20:54,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:20:54,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:20:54,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353831496] [2022-12-13 18:20:54,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:20:54,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:20:54,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:20:54,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:20:54,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:20:54,376 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 28 states have internal predecessors, (30), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:20:54,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:20:54,411 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-12-13 18:20:54,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:20:54,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-13 18:20:54,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:20:54,421 INFO L225 Difference]: With dead ends: 35 [2022-12-13 18:20:54,421 INFO L226 Difference]: Without dead ends: 26 [2022-12-13 18:20:54,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:20:54,427 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 18 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:20:54,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 48 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:20:54,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-13 18:20:54,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-12-13 18:20:54,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 18:20:54,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-12-13 18:20:54,464 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 13 [2022-12-13 18:20:54,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:20:54,465 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-12-13 18:20:54,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:20:54,466 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-12-13 18:20:54,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 18:20:54,467 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:20:54,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:20:54,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:20:54,467 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 18:20:54,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:54,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1496534866, now seen corresponding path program 1 times [2022-12-13 18:20:54,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:20:54,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871545620] [2022-12-13 18:20:54,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:20:54,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:20:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:54,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:20:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:54,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:54,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:20:54,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871545620] [2022-12-13 18:20:54,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871545620] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:20:54,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:20:54,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:20:54,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005833609] [2022-12-13 18:20:54,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:20:54,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:20:54,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:20:54,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:20:54,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:20:54,527 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:20:54,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:20:54,540 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2022-12-13 18:20:54,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:20:54,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-13 18:20:54,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:20:54,541 INFO L225 Difference]: With dead ends: 32 [2022-12-13 18:20:54,542 INFO L226 Difference]: Without dead ends: 31 [2022-12-13 18:20:54,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:20:54,543 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 9 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:20:54,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 44 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:20:54,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-13 18:20:54,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2022-12-13 18:20:54,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 18:20:54,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-12-13 18:20:54,550 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 14 [2022-12-13 18:20:54,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:20:54,550 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-12-13 18:20:54,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:20:54,550 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-13 18:20:54,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-13 18:20:54,551 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:20:54,551 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:20:54,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:20:54,551 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 18:20:54,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:54,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1477880792, now seen corresponding path program 1 times [2022-12-13 18:20:54,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:20:54,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943721352] [2022-12-13 18:20:54,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:20:54,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:20:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:20:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:54,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 18:20:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 18:20:54,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:20:54,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943721352] [2022-12-13 18:20:54,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943721352] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:20:54,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:20:54,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:20:54,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470163555] [2022-12-13 18:20:54,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:20:54,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:20:54,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:20:54,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:20:54,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:20:54,619 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:20:54,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:20:54,627 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2022-12-13 18:20:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:20:54,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-12-13 18:20:54,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:20:54,628 INFO L225 Difference]: With dead ends: 25 [2022-12-13 18:20:54,628 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:20:54,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:20:54,630 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 48 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 [2022-12-13 18:20:54,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 48 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:20:54,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:20:54,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:20:54,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:54,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:20:54,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-12-13 18:20:54,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:20:54,632 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:20:54,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:20:54,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:20:54,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:20:54,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 18:20:54,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 18:20:54,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 18:20:54,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 18:20:54,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:20:54,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 18:20:54,665 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 18:20:54,665 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:20:54,665 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 18:20:54,666 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:20:54,666 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 18:20:54,666 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:20:54,666 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:20:54,666 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1559) no Hoare annotation was computed. [2022-12-13 18:20:54,666 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:20:54,666 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1577) no Hoare annotation was computed. [2022-12-13 18:20:54,667 INFO L899 garLoopResultBuilder]: For program point L1559(line 1559) no Hoare annotation was computed. [2022-12-13 18:20:54,667 INFO L895 garLoopResultBuilder]: At program point goodG2B_source#1(lines 1568 1580) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-12-13 18:20:54,667 INFO L899 garLoopResultBuilder]: For program point L1559-1(line 1559) no Hoare annotation was computed. [2022-12-13 18:20:54,667 INFO L895 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-12-13 18:20:54,667 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 18:20:54,667 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 1567 1580) no Hoare annotation was computed. [2022-12-13 18:20:54,667 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1586 1593) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-12-13 18:20:54,668 INFO L895 garLoopResultBuilder]: At program point $Ultimate##5(lines 1557 1565) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-12-13 18:20:54,668 INFO L895 garLoopResultBuilder]: At program point goodG2B_sink#1(lines 1568 1580) the Hoare annotation is: (and (= |ULTIMATE.start_goodG2B_~data~1#1| 2) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648))) [2022-12-13 18:20:54,668 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:20:54,668 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1559) no Hoare annotation was computed. [2022-12-13 18:20:54,668 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1577) no Hoare annotation was computed. [2022-12-13 18:20:54,668 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 18:20:54,668 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-12-13 18:20:54,669 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1548 1566) no Hoare annotation was computed. [2022-12-13 18:20:54,669 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483646)) [2022-12-13 18:20:54,669 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-12-13 18:20:54,669 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2022-12-13 18:20:54,669 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2022-12-13 18:20:54,669 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2022-12-13 18:20:54,670 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-12-13 18:20:54,670 INFO L899 garLoopResultBuilder]: For program point L1554-2(line 1554) no Hoare annotation was computed. [2022-12-13 18:20:54,670 INFO L895 garLoopResultBuilder]: At program point goodB2G_source#1(lines 1549 1566) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483646)) [2022-12-13 18:20:54,670 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1585) no Hoare annotation was computed. [2022-12-13 18:20:54,670 INFO L899 garLoopResultBuilder]: For program point L1577(line 1577) no Hoare annotation was computed. [2022-12-13 18:20:54,672 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 18:20:54,674 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:20:54,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:20:54 BoogieIcfgContainer [2022-12-13 18:20:54,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:20:54,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:20:54,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:20:54,685 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:20:54,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:20:53" (3/4) ... [2022-12-13 18:20:54,687 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:20:54,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 18:20:54,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 18:20:54,695 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-13 18:20:54,695 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 18:20:54,695 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 18:20:54,695 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:20:54,726 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:20:54,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:20:54,727 INFO L158 Benchmark]: Toolchain (without parser) took 1950.63ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 80.4MB in the beginning and 68.2MB in the end (delta: 12.2MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2022-12-13 18:20:54,727 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory was 78.3MB in the beginning and 78.3MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:20:54,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 825.07ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 79.9MB in the beginning and 95.8MB in the end (delta: -15.9MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2022-12-13 18:20:54,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.80ms. Allocated memory is still 155.2MB. Free memory was 95.8MB in the beginning and 92.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:20:54,728 INFO L158 Benchmark]: Boogie Preprocessor took 24.57ms. Allocated memory is still 155.2MB. Free memory was 92.5MB in the beginning and 91.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:20:54,728 INFO L158 Benchmark]: RCFGBuilder took 304.91ms. Allocated memory is still 155.2MB. Free memory was 91.3MB in the beginning and 76.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:20:54,728 INFO L158 Benchmark]: TraceAbstraction took 709.77ms. Allocated memory is still 155.2MB. Free memory was 76.6MB in the beginning and 71.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 18:20:54,728 INFO L158 Benchmark]: Witness Printer took 41.46ms. Allocated memory is still 155.2MB. Free memory was 71.3MB in the beginning and 68.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:20:54,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory was 78.3MB in the beginning and 78.3MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 825.07ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 79.9MB in the beginning and 95.8MB in the end (delta: -15.9MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.80ms. Allocated memory is still 155.2MB. Free memory was 95.8MB in the beginning and 92.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.57ms. Allocated memory is still 155.2MB. Free memory was 92.5MB in the beginning and 91.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.91ms. Allocated memory is still 155.2MB. Free memory was 91.3MB in the beginning and 76.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 709.77ms. Allocated memory is still 155.2MB. Free memory was 76.6MB in the beginning and 71.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 41.46ms. Allocated memory is still 155.2MB. Free memory was 71.3MB in the beginning and 68.2MB in the end (delta: 3.1MB). 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 - PositiveResult [Line: 1559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 85 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 15 PreInvPairs, 15 NumberOfFragments, 60 HoareAnnotationTreeSize, 15 FomulaSimplifications, 20 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1568]: Loop Invariant Derived loop invariant: 0 <= data + 2147483648 - InvariantResult [Line: 1586]: Loop Invariant Derived loop invariant: 0 <= data + 2147483648 - InvariantResult [Line: 1568]: Loop Invariant Derived loop invariant: data == 2 && 0 <= data + 2147483648 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 0 <= data + 2147483648 - InvariantResult [Line: 1549]: Loop Invariant Derived loop invariant: 0 <= data + 2147483648 && data <= 2147483646 RESULT: Ultimate proved your program to be correct! [2022-12-13 18:20:54,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f80aa-8433-45ad-a3c4-7dc129dfef61/bin/uautomizer-uyxdKDjOR8/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 Result: TRUE