./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_09_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/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_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/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_506b3150-47d2-4836-8334-289eab215485/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 2e7a8fd7b96e728a02d8069893bcbc2379578036ffc74cc4fbb2c8543a123fb7 --- 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 13:34:34,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:34:34,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:34:34,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:34:34,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:34:34,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:34:34,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:34:34,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:34:34,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:34:34,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:34:34,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:34:34,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:34:34,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:34:34,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:34:34,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:34:34,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:34:34,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:34:34,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:34:34,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:34:34,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:34:34,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:34:34,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:34:34,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:34:34,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:34:34,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:34:34,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:34:34,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:34:34,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:34:34,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:34:34,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:34:34,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:34:34,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:34:34,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:34:34,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:34:34,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:34:34,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:34:34,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:34:34,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:34:34,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:34:34,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:34:34,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:34:34,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 13:34:34,375 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:34:34,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:34:34,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:34:34,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:34:34,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:34:34,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:34:34,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:34:34,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:34:34,378 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:34:34,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:34:34,378 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:34:34,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:34:34,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:34:34,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:34:34,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:34:34,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:34:34,380 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:34:34,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:34:34,380 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:34:34,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:34:34,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:34:34,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:34:34,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:34:34,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:34:34,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:34:34,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:34:34,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:34:34,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:34:34,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:34:34,382 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:34:34,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:34:34,382 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:34:34,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:34:34,383 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:34:34,383 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_506b3150-47d2-4836-8334-289eab215485/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e7a8fd7b96e728a02d8069893bcbc2379578036ffc74cc4fbb2c8543a123fb7 [2022-12-13 13:34:34,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:34:34,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:34:34,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:34:34,601 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:34:34,601 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:34:34,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_09_bad.i [2022-12-13 13:34:37,192 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:34:37,501 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:34:37,502 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_09_bad.i [2022-12-13 13:34:37,525 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/data/5ebc44110/6ac241b47d4e4e8eb8e2c0b981c8014d/FLAG0cbb77c1d [2022-12-13 13:34:37,759 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/data/5ebc44110/6ac241b47d4e4e8eb8e2c0b981c8014d [2022-12-13 13:34:37,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:34:37,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:34:37,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:34:37,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:34:37,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:34:37,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:34:37" (1/1) ... [2022-12-13 13:34:37,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a4983c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:37, skipping insertion in model container [2022-12-13 13:34:37,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:34:37" (1/1) ... [2022-12-13 13:34:37,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:34:37,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:34:38,185 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:34:38,682 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:34:38,687 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:34:38,689 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:34:38,690 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:34:38,691 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:34:39,062 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:34:39,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:34:39,071 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:34:39,084 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:34:39,121 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:34:39,122 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:34:39,123 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:34:39,126 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:34:39,126 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:34:39,140 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:34:39,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:34:39,388 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:34:39,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:39 WrapperNode [2022-12-13 13:34:39,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:34:39,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:34:39,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:34:39,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:34:39,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:39" (1/1) ... [2022-12-13 13:34:39,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:39" (1/1) ... [2022-12-13 13:34:39,431 INFO L138 Inliner]: procedures = 937, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-13 13:34:39,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:34:39,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:34:39,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:34:39,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:34:39,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:39" (1/1) ... [2022-12-13 13:34:39,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:39" (1/1) ... [2022-12-13 13:34:39,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:39" (1/1) ... [2022-12-13 13:34:39,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:39" (1/1) ... [2022-12-13 13:34:39,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:39" (1/1) ... [2022-12-13 13:34:39,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:39" (1/1) ... [2022-12-13 13:34:39,447 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:39" (1/1) ... [2022-12-13 13:34:39,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:39" (1/1) ... [2022-12-13 13:34:39,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:34:39,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:34:39,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:34:39,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:34:39,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:39" (1/1) ... [2022-12-13 13:34:39,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:34:39,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:34:39,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:34:39,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:34:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:34:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:34:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:34:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:34:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:34:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:34:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:34:39,617 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:34:39,618 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:34:39,727 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:34:39,731 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:34:39,731 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:34:39,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:34:39 BoogieIcfgContainer [2022-12-13 13:34:39,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:34:39,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:34:39,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:34:39,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:34:39,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:34:37" (1/3) ... [2022-12-13 13:34:39,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf61381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:34:39, skipping insertion in model container [2022-12-13 13:34:39,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:39" (2/3) ... [2022-12-13 13:34:39,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf61381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:34:39, skipping insertion in model container [2022-12-13 13:34:39,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:34:39" (3/3) ... [2022-12-13 13:34:39,739 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_09_bad.i [2022-12-13 13:34:39,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:34:39,753 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:34:39,787 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:34:39,792 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;@23ac75eb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:34:39,792 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:34:39,795 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) [2022-12-13 13:34:39,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 13:34:39,801 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:34:39,801 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:34:39,802 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:34:39,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:34:39,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-13 13:34:39,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:34:39,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807820404] [2022-12-13 13:34:39,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:34:39,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:34:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:34:39,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:34:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:34:39,956 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 13:34:39,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:34:39,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807820404] [2022-12-13 13:34:39,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807820404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:34:39,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:34:39,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 13:34:39,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969813266] [2022-12-13 13:34:39,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:34:39,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 13:34:39,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:34:39,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 13:34:39,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:34:39,986 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) [2022-12-13 13:34:40,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:34:40,000 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2022-12-13 13:34:40,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 13:34:40,002 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 13:34:40,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:34:40,006 INFO L225 Difference]: With dead ends: 23 [2022-12-13 13:34:40,006 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 13:34:40,008 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 [2022-12-13 13:34:40,011 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:34:40,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:34:40,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 13:34:40,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 13:34:40,034 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) [2022-12-13 13:34:40,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-13 13:34:40,035 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2022-12-13 13:34:40,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:34:40,035 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-13 13:34:40,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:34:40,036 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-13 13:34:40,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 13:34:40,036 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:34:40,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:34:40,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:34:40,036 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:34:40,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:34:40,037 INFO L85 PathProgramCache]: Analyzing trace with hash -250853505, now seen corresponding path program 1 times [2022-12-13 13:34:40,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:34:40,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060948419] [2022-12-13 13:34:40,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:34:40,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:34:40,057 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:34:40,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1586816318] [2022-12-13 13:34:40,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:34:40,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:34:40,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:34:40,059 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:34:40,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 13:34:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:34:40,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:34:40,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:34:40,168 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 13:34:40,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:34:40,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:34:40,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060948419] [2022-12-13 13:34:40,169 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:34:40,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586816318] [2022-12-13 13:34:40,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586816318] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:34:40,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:34:40,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:34:40,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999513179] [2022-12-13 13:34:40,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:34:40,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:34:40,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:34:40,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:34:40,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:34:40,172 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) [2022-12-13 13:34:40,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:34:40,178 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-12-13 13:34:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:34:40,179 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 [2022-12-13 13:34:40,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:34:40,179 INFO L225 Difference]: With dead ends: 19 [2022-12-13 13:34:40,179 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 13:34:40,180 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 [2022-12-13 13:34:40,181 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 [2022-12-13 13:34:40,181 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] [2022-12-13 13:34:40,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 13:34:40,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 13:34:40,184 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) [2022-12-13 13:34:40,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 13:34:40,185 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2022-12-13 13:34:40,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:34:40,185 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 13:34:40,185 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) [2022-12-13 13:34:40,185 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 13:34:40,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 13:34:40,186 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:34:40,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:34:40,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 13:34:40,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:34:40,388 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:34:40,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:34:40,390 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-12-13 13:34:40,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:34:40,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379683547] [2022-12-13 13:34:40,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:34:40,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:34:40,479 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:34:40,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [136898169] [2022-12-13 13:34:40,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:34:40,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:34:40,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:34:40,484 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:34:40,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 13:34:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:34:40,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:34:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:34:40,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:34:40,680 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:34:40,680 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:34:40,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:34:40,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 13:34:40,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-13 13:34:40,893 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 13:34:40,902 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:34:40,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:34:40 BoogieIcfgContainer [2022-12-13 13:34:40,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:34:40,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:34:40,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:34:40,968 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:34:40,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:34:39" (3/4) ... [2022-12-13 13:34:40,976 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:34:40,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:34:40,978 INFO L158 Benchmark]: Toolchain (without parser) took 3214.72ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 104.2MB in the beginning and 101.9MB in the end (delta: 2.2MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2022-12-13 13:34:40,978 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:34:40,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1626.50ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 104.2MB in the beginning and 82.9MB in the end (delta: 21.3MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2022-12-13 13:34:40,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.07ms. Allocated memory is still 174.1MB. Free memory was 82.9MB in the beginning and 78.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:34:40,981 INFO L158 Benchmark]: Boogie Preprocessor took 17.15ms. Allocated memory is still 174.1MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:34:40,982 INFO L158 Benchmark]: RCFGBuilder took 283.08ms. Allocated memory is still 174.1MB. Free memory was 76.6MB in the beginning and 63.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 13:34:40,982 INFO L158 Benchmark]: TraceAbstraction took 1231.23ms. Allocated memory is still 174.1MB. Free memory was 61.9MB in the beginning and 103.0MB in the end (delta: -41.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:34:40,983 INFO L158 Benchmark]: Witness Printer took 9.01ms. Allocated memory is still 174.1MB. Free memory was 103.0MB in the beginning and 101.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:34:40,986 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1626.50ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 104.2MB in the beginning and 82.9MB in the end (delta: 21.3MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.07ms. Allocated memory is still 174.1MB. Free memory was 82.9MB in the beginning and 78.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.15ms. Allocated memory is still 174.1MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 283.08ms. Allocated memory is still 174.1MB. Free memory was 76.6MB in the beginning and 63.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1231.23ms. Allocated memory is still 174.1MB. Free memory was 61.9MB in the beginning and 103.0MB in the end (delta: -41.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.01ms. Allocated memory is still 174.1MB. Free memory was 103.0MB in the beginning and 101.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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={13:14}, argv={13:14}, 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_09_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 \read(GLOBAL_CONST_TRUE) [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()=1, rand()=0, rand()=1, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483649] [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1840] COND TRUE \read(GLOBAL_CONST_TRUE) 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: 1.1s, 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, 2 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 [2022-12-13 13:34:41,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/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_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/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 2e7a8fd7b96e728a02d8069893bcbc2379578036ffc74cc4fbb2c8543a123fb7 --- 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 13:34:42,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:34:42,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:34:42,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:34:42,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:34:42,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:34:42,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:34:42,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:34:42,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:34:42,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:34:42,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:34:42,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:34:42,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:34:42,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:34:42,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:34:42,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:34:42,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:34:42,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:34:42,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:34:42,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:34:42,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:34:42,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:34:42,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:34:42,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:34:42,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:34:42,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:34:42,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:34:42,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:34:42,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:34:42,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:34:42,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:34:42,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:34:42,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:34:42,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:34:42,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:34:42,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:34:42,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:34:42,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:34:42,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:34:42,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:34:42,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:34:42,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 13:34:42,646 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:34:42,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:34:42,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:34:42,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:34:42,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:34:42,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:34:42,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:34:42,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:34:42,648 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:34:42,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:34:42,649 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:34:42,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:34:42,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:34:42,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:34:42,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:34:42,649 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:34:42,650 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 13:34:42,650 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:34:42,650 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 13:34:42,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:34:42,651 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:34:42,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:34:42,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:34:42,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:34:42,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:34:42,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:34:42,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:34:42,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:34:42,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:34:42,652 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 13:34:42,652 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 13:34:42,653 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:34:42,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:34:42,653 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:34:42,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:34:42,653 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 13:34:42,653 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:34:42,654 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_506b3150-47d2-4836-8334-289eab215485/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e7a8fd7b96e728a02d8069893bcbc2379578036ffc74cc4fbb2c8543a123fb7 [2022-12-13 13:34:42,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:34:42,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:34:42,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:34:42,917 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:34:42,917 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:34:42,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_09_bad.i [2022-12-13 13:34:45,523 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:34:45,797 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:34:45,797 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_09_bad.i [2022-12-13 13:34:45,817 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/data/4e9317824/b459d60fdb694c14aeaa26fc9f2bca8b/FLAG57ac378bb [2022-12-13 13:34:45,828 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/data/4e9317824/b459d60fdb694c14aeaa26fc9f2bca8b [2022-12-13 13:34:45,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:34:45,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:34:45,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:34:45,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:34:45,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:34:45,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:34:45" (1/1) ... [2022-12-13 13:34:45,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21000a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:45, skipping insertion in model container [2022-12-13 13:34:45,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:34:45" (1/1) ... [2022-12-13 13:34:45,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:34:45,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:34:46,195 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:34:46,644 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:34:46,648 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:34:46,650 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:34:46,652 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:34:46,652 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:34:46,960 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:34:46,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:34:46,970 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:34:46,988 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:34:47,035 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:34:47,036 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:34:47,037 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:34:47,039 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:34:47,040 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:34:47,052 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:34:47,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:34:47,273 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:34:47,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:47 WrapperNode [2022-12-13 13:34:47,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:34:47,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:34:47,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:34:47,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:34:47,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:47" (1/1) ... [2022-12-13 13:34:47,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:47" (1/1) ... [2022-12-13 13:34:47,340 INFO L138 Inliner]: procedures = 942, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-13 13:34:47,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:34:47,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:34:47,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:34:47,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:34:47,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:47" (1/1) ... [2022-12-13 13:34:47,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:47" (1/1) ... [2022-12-13 13:34:47,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:47" (1/1) ... [2022-12-13 13:34:47,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:47" (1/1) ... [2022-12-13 13:34:47,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:47" (1/1) ... [2022-12-13 13:34:47,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:47" (1/1) ... [2022-12-13 13:34:47,358 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:47" (1/1) ... [2022-12-13 13:34:47,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:47" (1/1) ... [2022-12-13 13:34:47,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:34:47,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:34:47,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:34:47,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:34:47,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:47" (1/1) ... [2022-12-13 13:34:47,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:34:47,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:34:47,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:34:47,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:34:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:34:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:34:47,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:34:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:34:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:34:47,411 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:34:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 13:34:47,529 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:34:47,530 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:34:49,402 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:34:49,406 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:34:49,406 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:34:49,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:34:49 BoogieIcfgContainer [2022-12-13 13:34:49,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:34:49,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:34:49,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:34:49,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:34:49,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:34:45" (1/3) ... [2022-12-13 13:34:49,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b43e324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:34:49, skipping insertion in model container [2022-12-13 13:34:49,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:34:47" (2/3) ... [2022-12-13 13:34:49,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b43e324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:34:49, skipping insertion in model container [2022-12-13 13:34:49,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:34:49" (3/3) ... [2022-12-13 13:34:49,413 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_09_bad.i [2022-12-13 13:34:49,425 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:34:49,425 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:34:49,456 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:34:49,461 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;@4a0d266e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:34:49,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:34:49,464 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) [2022-12-13 13:34:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 13:34:49,469 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:34:49,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:34:49,470 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:34:49,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:34:49,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-13 13:34:49,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:34:49,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1342489566] [2022-12-13 13:34:49,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:34:49,482 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:34:49,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:34:49,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 13:34:49,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 13:34:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:34:49,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:34:49,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:34:49,626 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 13:34:49,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:34:49,627 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:34:49,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1342489566] [2022-12-13 13:34:49,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1342489566] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:34:49,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:34:49,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:34:49,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272559894] [2022-12-13 13:34:49,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:34:49,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:34:49,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:34:49,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:34:49,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:34:49,655 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) [2022-12-13 13:34:49,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:34:49,674 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-12-13 13:34:49,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:34:49,676 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 [2022-12-13 13:34:49,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:34:49,681 INFO L225 Difference]: With dead ends: 39 [2022-12-13 13:34:49,681 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 13:34:49,683 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 [2022-12-13 13:34:49,685 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 [2022-12-13 13:34:49,686 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] [2022-12-13 13:34:49,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 13:34:49,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 13:34:49,708 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) [2022-12-13 13:34:49,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-12-13 13:34:49,709 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2022-12-13 13:34:49,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:34:49,709 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-12-13 13:34:49,709 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) [2022-12-13 13:34:49,710 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-13 13:34:49,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 13:34:49,710 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:34:49,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:34:49,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 13:34:49,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:34:49,913 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:34:49,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:34:49,915 INFO L85 PathProgramCache]: Analyzing trace with hash 804858586, now seen corresponding path program 1 times [2022-12-13 13:34:49,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:34:49,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776447263] [2022-12-13 13:34:49,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:34:49,918 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:34:49,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:34:49,922 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 13:34:49,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 13:34:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:34:50,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:34:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:34:50,109 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 13:34:50,109 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:34:50,110 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:34:50,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:34:50,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 13:34:50,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:34:50,323 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 13:34:50,334 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:34:50,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:34:50 BoogieIcfgContainer [2022-12-13 13:34:50,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:34:50,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:34:50,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:34:50,375 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:34:50,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:34:49" (3/4) ... [2022-12-13 13:34:50,377 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 13:34:50,420 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:34:50,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:34:50,421 INFO L158 Benchmark]: Toolchain (without parser) took 4589.49ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 73.3MB in the beginning and 54.4MB in the end (delta: 18.9MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2022-12-13 13:34:50,421 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:34:50,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1440.95ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 73.1MB in the beginning and 69.2MB in the end (delta: 3.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2022-12-13 13:34:50,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.77ms. Allocated memory is still 121.6MB. Free memory was 69.2MB in the beginning and 65.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:34:50,423 INFO L158 Benchmark]: Boogie Preprocessor took 20.18ms. Allocated memory is still 121.6MB. Free memory was 65.0MB in the beginning and 62.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:34:50,423 INFO L158 Benchmark]: RCFGBuilder took 2045.92ms. Allocated memory is still 121.6MB. Free memory was 62.9MB in the beginning and 88.9MB in the end (delta: -26.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 13:34:50,423 INFO L158 Benchmark]: TraceAbstraction took 965.54ms. Allocated memory is still 121.6MB. Free memory was 88.9MB in the beginning and 56.5MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-13 13:34:50,424 INFO L158 Benchmark]: Witness Printer took 45.30ms. Allocated memory is still 121.6MB. Free memory was 56.5MB in the beginning and 54.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:34:50,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1440.95ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 73.1MB in the beginning and 69.2MB in the end (delta: 3.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.77ms. Allocated memory is still 121.6MB. Free memory was 69.2MB in the beginning and 65.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.18ms. Allocated memory is still 121.6MB. Free memory was 65.0MB in the beginning and 62.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2045.92ms. Allocated memory is still 121.6MB. Free memory was 62.9MB in the beginning and 88.9MB in the end (delta: -26.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 965.54ms. Allocated memory is still 121.6MB. Free memory was 88.9MB in the beginning and 56.5MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 45.30ms. Allocated memory is still 121.6MB. Free memory was 56.5MB in the beginning and 54.4MB 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_09_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 \read(GLOBAL_CONST_TRUE) [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 \read(GLOBAL_CONST_TRUE) 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: 0.9s, 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! [2022-12-13 13:34:50,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506b3150-47d2-4836-8334-289eab215485/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)