./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_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_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/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_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/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_ba712e80-f7e4-4770-859a-f15a1e1d5434/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 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 --- 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 12:07:52,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:07:52,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:07:52,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:07:52,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:07:52,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:07:52,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:07:52,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:07:52,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:07:52,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:07:52,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:07:52,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:07:52,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:07:52,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:07:52,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:07:52,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:07:52,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:07:52,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:07:52,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:07:52,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:07:52,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:07:52,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:07:52,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:07:52,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:07:52,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:07:52,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:07:52,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:07:52,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:07:52,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:07:52,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:07:52,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:07:52,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:07:52,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:07:52,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:07:52,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:07:52,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:07:52,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:07:52,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:07:52,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:07:52,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:07:52,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:07:52,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 12:07:52,686 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:07:52,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:07:52,686 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:07:52,687 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:07:52,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:07:52,687 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:07:52,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:07:52,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:07:52,688 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:07:52,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:07:52,689 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:07:52,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:07:52,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:07:52,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:07:52,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:07:52,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:07:52,690 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:07:52,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:07:52,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:07:52,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:07:52,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:07:52,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:07:52,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:07:52,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:07:52,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:07:52,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:07:52,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:07:52,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:07:52,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:07:52,691 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:07:52,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:07:52,692 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:07:52,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:07:52,692 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:07:52,692 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_ba712e80-f7e4-4770-859a-f15a1e1d5434/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 [2022-12-13 12:07:52,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:07:52,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:07:52,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:07:52,903 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:07:52,904 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:07:52,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2022-12-13 12:07:55,481 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:07:55,742 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:07:55,742 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2022-12-13 12:07:55,754 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/data/6384ba5e5/b45cd7a09ac5484d97e6cc2d13cee26a/FLAGbb1fc0813 [2022-12-13 12:07:56,037 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/data/6384ba5e5/b45cd7a09ac5484d97e6cc2d13cee26a [2022-12-13 12:07:56,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:07:56,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:07:56,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:07:56,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:07:56,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:07:56,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:07:56" (1/1) ... [2022-12-13 12:07:56,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5057f98b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:07:56, skipping insertion in model container [2022-12-13 12:07:56,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:07:56" (1/1) ... [2022-12-13 12:07:56,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:07:56,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:07:56,377 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:07:56,701 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:07:56,704 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:07:56,706 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:07:56,707 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:07:56,708 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:07:56,725 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:07:56,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:07:56,734 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:07:56,747 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:07:56,788 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:07:56,790 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:07:56,791 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:07:56,793 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:07:56,794 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:07:56,799 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:07:56,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:07:56,923 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:07:56,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:07:56 WrapperNode [2022-12-13 12:07:56,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:07:56,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:07:56,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:07:56,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:07:56,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:07:56" (1/1) ... [2022-12-13 12:07:56,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:07:56" (1/1) ... [2022-12-13 12:07:56,975 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-13 12:07:56,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:07:56,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:07:56,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:07:56,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:07:56,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:07:56" (1/1) ... [2022-12-13 12:07:56,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:07:56" (1/1) ... [2022-12-13 12:07:56,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:07:56" (1/1) ... [2022-12-13 12:07:56,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:07:56" (1/1) ... [2022-12-13 12:07:56,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:07:56" (1/1) ... [2022-12-13 12:07:56,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:07:56" (1/1) ... [2022-12-13 12:07:56,999 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:07:56" (1/1) ... [2022-12-13 12:07:57,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:07:56" (1/1) ... [2022-12-13 12:07:57,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:07:57,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:07:57,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:07:57,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:07:57,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:07:56" (1/1) ... [2022-12-13 12:07:57,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:07:57,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:07:57,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:07:57,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:07:57,056 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 12:07:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 12:07:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:07:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:07:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:07:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 12:07:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:07:57,163 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:07:57,165 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:07:57,274 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:07:57,279 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:07:57,279 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:07:57,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:07:57 BoogieIcfgContainer [2022-12-13 12:07:57,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:07:57,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:07:57,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:07:57,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:07:57,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:07:56" (1/3) ... [2022-12-13 12:07:57,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb91483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:07:57, skipping insertion in model container [2022-12-13 12:07:57,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:07:56" (2/3) ... [2022-12-13 12:07:57,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb91483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:07:57, skipping insertion in model container [2022-12-13 12:07:57,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:07:57" (3/3) ... [2022-12-13 12:07:57,287 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2022-12-13 12:07:57,301 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:07:57,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 12:07:57,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:07:57,340 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;@1a677453, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:07:57,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 12:07:57,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 12:07:57,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 12:07:57,349 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:07:57,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:07:57,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 12:07:57,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:07:57,354 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 12:07:57,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:07:57,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74219304] [2022-12-13 12:07:57,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:07:57,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:07:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:07:57,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:07:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:07:57,520 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:07:57,521 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:07:57,522 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 12:07:57,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 12:07:57,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:07:57,528 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 12:07:57,531 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:07:57,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:07:57 BoogieIcfgContainer [2022-12-13 12:07:57,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:07:57,548 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:07:57,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:07:57,549 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:07:57,549 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:07:57" (3/4) ... [2022-12-13 12:07:57,551 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 12:07:57,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:07:57,552 INFO L158 Benchmark]: Toolchain (without parser) took 1512.76ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 114.3MB in the beginning and 107.8MB in the end (delta: 6.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-13 12:07:57,553 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:07:57,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 883.61ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 114.3MB in the beginning and 147.6MB in the end (delta: -33.3MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2022-12-13 12:07:57,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.00ms. Allocated memory is still 182.5MB. Free memory was 147.6MB in the beginning and 144.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 12:07:57,554 INFO L158 Benchmark]: Boogie Preprocessor took 25.88ms. Allocated memory is still 182.5MB. Free memory was 144.5MB in the beginning and 143.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:07:57,554 INFO L158 Benchmark]: RCFGBuilder took 277.98ms. Allocated memory is still 182.5MB. Free memory was 143.5MB in the beginning and 128.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 12:07:57,555 INFO L158 Benchmark]: TraceAbstraction took 265.81ms. Allocated memory is still 182.5MB. Free memory was 128.8MB in the beginning and 107.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 12:07:57,555 INFO L158 Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 182.5MB. Free memory was 107.8MB in the beginning and 107.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:07:57,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 883.61ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 114.3MB in the beginning and 147.6MB in the end (delta: -33.3MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.00ms. Allocated memory is still 182.5MB. Free memory was 147.6MB in the beginning and 144.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.88ms. Allocated memory is still 182.5MB. Free memory was 144.5MB in the beginning and 143.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 277.98ms. Allocated memory is still 182.5MB. Free memory was 143.5MB in the beginning and 128.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 265.81ms. Allocated memory is still 182.5MB. Free memory was 128.8MB in the beginning and 107.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.07ms. Allocated memory is still 182.5MB. Free memory was 107.8MB in the beginning and 107.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. 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); [L1548] int CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 0; VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=6442450946, argc=6442450946, argv={6442450945:6442450947}, argv={6442450945:6442450947}, CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_postdec_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=6, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-6442450944] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_postdec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal) [L1572] data-- VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=1, data=-2147483648, 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: 1572]: 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 12:07:57,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/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 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_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/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_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/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_ba712e80-f7e4-4770-859a-f15a1e1d5434/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 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 --- 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 12:07:59,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:07:59,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:07:59,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:07:59,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:07:59,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:07:59,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:07:59,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:07:59,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:07:59,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:07:59,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:07:59,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:07:59,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:07:59,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:07:59,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:07:59,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:07:59,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:07:59,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:07:59,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:07:59,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:07:59,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:07:59,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:07:59,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:07:59,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:07:59,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:07:59,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:07:59,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:07:59,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:07:59,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:07:59,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:07:59,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:07:59,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:07:59,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:07:59,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:07:59,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:07:59,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:07:59,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:07:59,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:07:59,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:07:59,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:07:59,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:07:59,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 12:07:59,276 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:07:59,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:07:59,277 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:07:59,277 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:07:59,277 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:07:59,277 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:07:59,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:07:59,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:07:59,278 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:07:59,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:07:59,278 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:07:59,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:07:59,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:07:59,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:07:59,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:07:59,279 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 12:07:59,279 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 12:07:59,279 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:07:59,279 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 12:07:59,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:07:59,279 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:07:59,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:07:59,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:07:59,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:07:59,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:07:59,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:07:59,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:07:59,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:07:59,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:07:59,280 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 12:07:59,280 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 12:07:59,280 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:07:59,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:07:59,281 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:07:59,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:07:59,281 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 12:07:59,281 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:07:59,281 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_ba712e80-f7e4-4770-859a-f15a1e1d5434/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 [2022-12-13 12:07:59,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:07:59,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:07:59,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:07:59,529 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:07:59,529 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:07:59,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2022-12-13 12:08:02,093 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:08:02,367 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:08:02,367 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2022-12-13 12:08:02,383 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/data/4c7da2cef/11ec0f83537947f2837a8f11b05199bd/FLAG269527143 [2022-12-13 12:08:02,653 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/data/4c7da2cef/11ec0f83537947f2837a8f11b05199bd [2022-12-13 12:08:02,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:08:02,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:08:02,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:08:02,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:08:02,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:08:02,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:08:02" (1/1) ... [2022-12-13 12:08:02,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eda5c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:02, skipping insertion in model container [2022-12-13 12:08:02,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:08:02" (1/1) ... [2022-12-13 12:08:02,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:08:02,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:08:02,911 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:08:03,243 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:08:03,248 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:08:03,249 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:08:03,250 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:08:03,251 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:08:03,269 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:08:03,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:08:03,289 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:08:03,309 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:08:03,367 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:08:03,369 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:08:03,370 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:08:03,372 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:08:03,373 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:08:03,379 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:08:03,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:08:03,466 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:08:03,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03 WrapperNode [2022-12-13 12:08:03,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:08:03,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:08:03,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:08:03,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:08:03,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,516 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-13 12:08:03,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:08:03,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:08:03,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:08:03,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:08:03,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,540 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:08:03,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:08:03,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:08:03,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:08:03,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (1/1) ... [2022-12-13 12:08:03,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:08:03,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:08:03,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:08:03,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:08:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 12:08:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 12:08:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 12:08:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:08:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:08:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:08:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 12:08:03,713 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:08:03,715 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:08:03,813 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:08:03,818 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:08:03,818 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:08:03,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:08:03 BoogieIcfgContainer [2022-12-13 12:08:03,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:08:03,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:08:03,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:08:03,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:08:03,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:08:02" (1/3) ... [2022-12-13 12:08:03,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d72d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:08:03, skipping insertion in model container [2022-12-13 12:08:03,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:03" (2/3) ... [2022-12-13 12:08:03,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d72d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:08:03, skipping insertion in model container [2022-12-13 12:08:03,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:08:03" (3/3) ... [2022-12-13 12:08:03,828 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2022-12-13 12:08:03,842 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:08:03,843 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 12:08:03,882 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:08:03,887 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;@7ede0974, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:08:03,888 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 12:08:03,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 12:08:03,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 12:08:03,896 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:08:03,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:08:03,897 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 12:08:03,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:08:03,901 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 12:08:03,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:08:03,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525511788] [2022-12-13 12:08:03,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:08:03,912 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 12:08:03,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:08:03,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/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 12:08:03,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/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 12:08:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:08:04,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:08:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:08:04,087 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 12:08:04,088 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:08:04,089 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 12:08:04,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 12:08:04,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/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 12:08:04,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/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 12:08:04,301 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 12:08:04,314 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:08:04,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:08:04 BoogieIcfgContainer [2022-12-13 12:08:04,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:08:04,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:08:04,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:08:04,347 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:08:04,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:08:03" (3/4) ... [2022-12-13 12:08:04,349 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 12:08:04,376 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:08:04,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:08:04,377 INFO L158 Benchmark]: Toolchain (without parser) took 1721.34ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 107.1kB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2022-12-13 12:08:04,378 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 73.4MB. Free memory was 53.1MB in the beginning and 52.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:08:04,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 809.87ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 51.5MB in the beginning and 57.6MB in the end (delta: -6.2MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2022-12-13 12:08:04,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.67ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 54.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 12:08:04,379 INFO L158 Benchmark]: Boogie Preprocessor took 27.15ms. Allocated memory is still 94.4MB. Free memory was 54.6MB in the beginning and 52.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:08:04,379 INFO L158 Benchmark]: RCFGBuilder took 275.03ms. Allocated memory is still 94.4MB. Free memory was 52.5MB in the beginning and 38.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 12:08:04,379 INFO L158 Benchmark]: TraceAbstraction took 524.71ms. Allocated memory is still 94.4MB. Free memory was 38.3MB in the beginning and 54.1MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:08:04,380 INFO L158 Benchmark]: Witness Printer took 29.34ms. Allocated memory is still 94.4MB. Free memory was 53.8MB in the beginning and 51.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:08:04,382 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 73.4MB. Free memory was 53.1MB in the beginning and 52.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 809.87ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 51.5MB in the beginning and 57.6MB in the end (delta: -6.2MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.67ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 54.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.15ms. Allocated memory is still 94.4MB. Free memory was 54.6MB in the beginning and 52.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.03ms. Allocated memory is still 94.4MB. Free memory was 52.5MB in the beginning and 38.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 524.71ms. Allocated memory is still 94.4MB. Free memory was 38.3MB in the beginning and 54.1MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 29.34ms. Allocated memory is still 94.4MB. Free memory was 53.8MB in the beginning and 51.7MB 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: 1572]: 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); [L1548] int CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 0; VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_postdec_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=2147483647, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_postdec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal) [L1572] data-- VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=1, data=-2147483648, 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: 1572]: 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 12:08:04,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba712e80-f7e4-4770-859a-f15a1e1d5434/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)