./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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 4fb1779f5370656e7962263b9ef7481d0423f457c7873ec300ee7d68ecbc9069 --- 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 19:43:20,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:43:20,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:43:20,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:43:20,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:43:20,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:43:20,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:43:20,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:43:20,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:43:20,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:43:20,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:43:20,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:43:20,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:43:20,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:43:20,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:43:20,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:43:20,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:43:20,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:43:20,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:43:20,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:43:20,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:43:20,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:43:20,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:43:20,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:43:20,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:43:20,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:43:20,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:43:20,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:43:20,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:43:20,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:43:20,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:43:20,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:43:20,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:43:20,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:43:20,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:43:20,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:43:20,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:43:20,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:43:20,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:43:20,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:43:20,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:43:20,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 19:43:20,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:43:20,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:43:20,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:43:20,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:43:20,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:43:20,680 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:43:20,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:43:20,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:43:20,681 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:43:20,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:43:20,681 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:43:20,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:43:20,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:43:20,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:43:20,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:43:20,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:43:20,682 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:43:20,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:43:20,682 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:43:20,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:43:20,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:43:20,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:43:20,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:43:20,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:43:20,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:43:20,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:43:20,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:43:20,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:43:20,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:43:20,684 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:43:20,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:43:20,685 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:43:20,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:43:20,685 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:43:20,685 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_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fb1779f5370656e7962263b9ef7481d0423f457c7873ec300ee7d68ecbc9069 [2022-12-13 19:43:20,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:43:20,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:43:20,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:43:20,899 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:43:20,899 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:43:20,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_42_bad.i [2022-12-13 19:43:23,468 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:43:23,746 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:43:23,747 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_42_bad.i [2022-12-13 19:43:23,763 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/data/3104edb39/0790b9f4c6ea4cf5811b6850a0c786a9/FLAGdc5163be3 [2022-12-13 19:43:24,055 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/data/3104edb39/0790b9f4c6ea4cf5811b6850a0c786a9 [2022-12-13 19:43:24,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:43:24,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:43:24,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:43:24,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:43:24,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:43:24,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:43:24" (1/1) ... [2022-12-13 19:43:24,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e51b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:24, skipping insertion in model container [2022-12-13 19:43:24,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:43:24" (1/1) ... [2022-12-13 19:43:24,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:43:24,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:43:24,376 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:43:24,683 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:43:24,688 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:43:24,690 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:43:24,692 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:43:24,693 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:43:24,716 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:43:24,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:43:24,726 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:43:24,752 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:43:24,802 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:43:24,804 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:43:24,805 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:43:24,807 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:43:24,808 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:43:24,814 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:43:24,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:43:24,907 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:43:24,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:24 WrapperNode [2022-12-13 19:43:24,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:43:24,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:43:24,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:43:24,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:43:24,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:24" (1/1) ... [2022-12-13 19:43:24,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:24" (1/1) ... [2022-12-13 19:43:24,962 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2022-12-13 19:43:24,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:43:24,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:43:24,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:43:24,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:43:24,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:24" (1/1) ... [2022-12-13 19:43:24,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:24" (1/1) ... [2022-12-13 19:43:24,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:24" (1/1) ... [2022-12-13 19:43:24,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:24" (1/1) ... [2022-12-13 19:43:24,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:24" (1/1) ... [2022-12-13 19:43:24,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:24" (1/1) ... [2022-12-13 19:43:24,984 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:24" (1/1) ... [2022-12-13 19:43:24,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:24" (1/1) ... [2022-12-13 19:43:24,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:43:24,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:43:24,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:43:24,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:43:24,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:24" (1/1) ... [2022-12-13 19:43:24,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:43:25,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:43:25,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:43:25,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:43:25,050 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 19:43:25,050 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 19:43:25,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:43:25,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:43:25,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:43:25,050 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 19:43:25,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:43:25,172 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:43:25,174 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:43:25,307 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:43:25,313 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:43:25,313 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:43:25,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:43:25 BoogieIcfgContainer [2022-12-13 19:43:25,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:43:25,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:43:25,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:43:25,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:43:25,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:43:24" (1/3) ... [2022-12-13 19:43:25,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1588296d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:43:25, skipping insertion in model container [2022-12-13 19:43:25,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:24" (2/3) ... [2022-12-13 19:43:25,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1588296d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:43:25, skipping insertion in model container [2022-12-13 19:43:25,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:43:25" (3/3) ... [2022-12-13 19:43:25,323 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_42_bad.i [2022-12-13 19:43:25,340 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:43:25,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 19:43:25,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:43:25,380 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;@42111843, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:43:25,380 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 19:43:25,383 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:43:25,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 19:43:25,389 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:25,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:43:25,390 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 19:43:25,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:25,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-12-13 19:43:25,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:43:25,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106033475] [2022-12-13 19:43:25,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:25,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:43:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:25,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:43:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:25,676 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 19:43:25,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:43:25,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106033475] [2022-12-13 19:43:25,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106033475] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:25,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:25,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:43:25,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536897185] [2022-12-13 19:43:25,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:25,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:43:25,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:43:25,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:43:25,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:43:25,714 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 19:43:25,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:25,740 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-12-13 19:43:25,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:43:25,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 19:43:25,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:25,750 INFO L225 Difference]: With dead ends: 22 [2022-12-13 19:43:25,750 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 19:43:25,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:43:25,756 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 10 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:43:25,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 29 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:43:25,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 19:43:25,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 19:43:25,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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 19:43:25,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 19:43:25,783 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 19:43:25,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:25,783 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 19:43:25,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 19:43:25,783 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 19:43:25,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 19:43:25,784 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:25,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:43:25,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:43:25,785 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 19:43:25,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:25,785 INFO L85 PathProgramCache]: Analyzing trace with hash 401828808, now seen corresponding path program 1 times [2022-12-13 19:43:25,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:43:25,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166906369] [2022-12-13 19:43:25,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:25,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:43:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:43:25,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:43:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:43:25,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:43:25,876 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 19:43:25,878 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 19:43:25,879 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 19:43:25,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:43:25,882 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 19:43:25,885 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:43:25,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:43:25 BoogieIcfgContainer [2022-12-13 19:43:25,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:43:25,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:43:25,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:43:25,910 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:43:25,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:43:25" (3/4) ... [2022-12-13 19:43:25,913 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 19:43:25,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:43:25,914 INFO L158 Benchmark]: Toolchain (without parser) took 1851.10ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 78.7MB in the beginning and 101.4MB in the end (delta: -22.6MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-12-13 19:43:25,914 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:43:25,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 842.75ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 78.5MB in the beginning and 95.3MB in the end (delta: -16.8MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2022-12-13 19:43:25,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.27ms. Allocated memory is still 165.7MB. Free memory was 95.3MB in the beginning and 92.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:43:25,916 INFO L158 Benchmark]: Boogie Preprocessor took 24.73ms. Allocated memory is still 165.7MB. Free memory was 92.1MB in the beginning and 90.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:43:25,917 INFO L158 Benchmark]: RCFGBuilder took 326.14ms. Allocated memory is still 165.7MB. Free memory was 90.0MB in the beginning and 76.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 19:43:25,917 INFO L158 Benchmark]: TraceAbstraction took 592.25ms. Allocated memory is still 165.7MB. Free memory was 76.4MB in the beginning and 101.4MB in the end (delta: -25.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:43:25,917 INFO L158 Benchmark]: Witness Printer took 3.39ms. Allocated memory is still 165.7MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:43:25,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 842.75ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 78.5MB in the beginning and 95.3MB in the end (delta: -16.8MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.27ms. Allocated memory is still 165.7MB. Free memory was 95.3MB in the beginning and 92.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.73ms. Allocated memory is still 165.7MB. Free memory was 92.1MB in the beginning and 90.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 326.14ms. Allocated memory is still 165.7MB. Free memory was 90.0MB in the beginning and 76.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 592.25ms. Allocated memory is still 165.7MB. Free memory was 76.4MB in the beginning and 101.4MB in the end (delta: -25.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.39ms. Allocated memory is still 165.7MB. Free memory is still 101.4MB. 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1550, overapproximation of bitwiseAnd at line 1550. 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] [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483648:2147483650}, argv={2147483648:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE190_Integer_Overflow__int_rand_preinc_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [\old(data)=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()=1, rand()=1, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; VAL [\old(data)=0, \result=2147483647, 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] [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] ++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: 1559]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 20 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 19:43:25,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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 4fb1779f5370656e7962263b9ef7481d0423f457c7873ec300ee7d68ecbc9069 --- 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 19:43:27,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:43:27,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:43:27,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:43:27,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:43:27,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:43:27,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:43:27,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:43:27,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:43:27,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:43:27,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:43:27,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:43:27,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:43:27,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:43:27,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:43:27,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:43:27,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:43:27,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:43:27,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:43:27,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:43:27,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:43:27,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:43:27,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:43:27,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:43:27,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:43:27,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:43:27,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:43:27,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:43:27,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:43:27,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:43:27,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:43:27,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:43:27,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:43:27,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:43:27,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:43:27,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:43:27,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:43:27,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:43:27,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:43:27,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:43:27,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:43:27,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 19:43:27,750 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:43:27,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:43:27,750 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:43:27,751 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:43:27,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:43:27,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:43:27,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:43:27,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:43:27,752 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:43:27,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:43:27,752 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:43:27,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:43:27,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:43:27,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:43:27,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:43:27,753 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 19:43:27,753 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 19:43:27,753 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:43:27,753 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 19:43:27,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:43:27,754 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:43:27,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:43:27,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:43:27,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:43:27,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:43:27,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:43:27,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:43:27,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:43:27,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:43:27,755 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 19:43:27,755 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 19:43:27,756 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:43:27,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:43:27,756 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:43:27,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:43:27,756 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 19:43:27,756 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:43:27,757 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_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fb1779f5370656e7962263b9ef7481d0423f457c7873ec300ee7d68ecbc9069 [2022-12-13 19:43:27,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:43:27,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:43:27,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:43:27,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:43:27,983 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:43:27,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_42_bad.i [2022-12-13 19:43:30,579 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:43:30,855 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:43:30,855 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_42_bad.i [2022-12-13 19:43:30,874 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/data/f2bd2b4c4/a7ae159731844b26b705887d73baae78/FLAG883873109 [2022-12-13 19:43:31,136 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/data/f2bd2b4c4/a7ae159731844b26b705887d73baae78 [2022-12-13 19:43:31,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:43:31,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:43:31,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:43:31,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:43:31,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:43:31,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:43:31" (1/1) ... [2022-12-13 19:43:31,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f57d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:31, skipping insertion in model container [2022-12-13 19:43:31,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:43:31" (1/1) ... [2022-12-13 19:43:31,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:43:31,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:43:31,461 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:43:31,747 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:43:31,751 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:43:31,752 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:43:31,754 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:43:31,754 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:43:31,773 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:43:31,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:43:31,786 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:43:31,800 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:43:31,840 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:43:31,841 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:43:31,842 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:43:31,843 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:43:31,844 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:43:31,847 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:43:31,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:43:31,958 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:43:31,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:31 WrapperNode [2022-12-13 19:43:31,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:43:31,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:43:31,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:43:31,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:43:31,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:31" (1/1) ... [2022-12-13 19:43:31,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:31" (1/1) ... [2022-12-13 19:43:32,008 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2022-12-13 19:43:32,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:43:32,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:43:32,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:43:32,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:43:32,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:31" (1/1) ... [2022-12-13 19:43:32,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:31" (1/1) ... [2022-12-13 19:43:32,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:31" (1/1) ... [2022-12-13 19:43:32,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:31" (1/1) ... [2022-12-13 19:43:32,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:31" (1/1) ... [2022-12-13 19:43:32,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:31" (1/1) ... [2022-12-13 19:43:32,033 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:31" (1/1) ... [2022-12-13 19:43:32,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:31" (1/1) ... [2022-12-13 19:43:32,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:43:32,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:43:32,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:43:32,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:43:32,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:31" (1/1) ... [2022-12-13 19:43:32,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:43:32,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:43:32,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:43:32,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:43:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 19:43:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 19:43:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 19:43:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:43:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:43:32,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:43:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 19:43:32,218 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:43:32,219 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:43:32,337 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:43:32,342 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:43:32,342 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:43:32,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:43:32 BoogieIcfgContainer [2022-12-13 19:43:32,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:43:32,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:43:32,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:43:32,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:43:32,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:43:31" (1/3) ... [2022-12-13 19:43:32,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c08ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:43:32, skipping insertion in model container [2022-12-13 19:43:32,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:31" (2/3) ... [2022-12-13 19:43:32,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c08ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:43:32, skipping insertion in model container [2022-12-13 19:43:32,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:43:32" (3/3) ... [2022-12-13 19:43:32,352 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_42_bad.i [2022-12-13 19:43:32,367 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:43:32,368 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 19:43:32,402 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:43:32,406 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;@7917fb96, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:43:32,407 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 19:43:32,410 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:43:32,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 19:43:32,415 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:32,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:43:32,416 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 19:43:32,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:32,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-12-13 19:43:32,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:32,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050162380] [2022-12-13 19:43:32,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:32,429 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 19:43:32,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:32,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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 19:43:32,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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 19:43:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:32,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 19:43:32,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:32,561 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 19:43:32,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:43:32,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:32,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050162380] [2022-12-13 19:43:32,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050162380] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:32,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:32,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 19:43:32,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261322571] [2022-12-13 19:43:32,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:32,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:43:32,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:32,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:43:32,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:43:32,589 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 10.0) 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 19:43:32,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:32,601 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-12-13 19:43:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:43:32,602 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) 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 19:43:32,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:32,607 INFO L225 Difference]: With dead ends: 22 [2022-12-13 19:43:32,607 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 19:43:32,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 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 19:43:32,613 INFO L413 NwaCegarLoop]: 23 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, 23 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 19:43:32,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:43:32,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 19:43:32,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 19:43:32,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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 19:43:32,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 19:43:32,640 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 19:43:32,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:32,640 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 19:43:32,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) 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 19:43:32,641 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 19:43:32,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 19:43:32,641 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:32,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:43:32,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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 19:43:32,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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 19:43:32,844 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 19:43:32,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:32,846 INFO L85 PathProgramCache]: Analyzing trace with hash 401828808, now seen corresponding path program 1 times [2022-12-13 19:43:32,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:32,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500052847] [2022-12-13 19:43:32,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:32,850 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 19:43:32,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:32,854 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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 19:43:32,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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 19:43:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:43:32,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:43:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:43:33,014 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 19:43:33,014 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 19:43:33,016 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 19:43:33,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 19:43:33,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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 19:43:33,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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 19:43:33,229 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 19:43:33,240 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:43:33,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:43:33 BoogieIcfgContainer [2022-12-13 19:43:33,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:43:33,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:43:33,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:43:33,308 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:43:33,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:43:32" (3/4) ... [2022-12-13 19:43:33,313 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 19:43:33,369 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:43:33,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:43:33,370 INFO L158 Benchmark]: Toolchain (without parser) took 2230.52ms. Allocated memory is still 86.0MB. Free memory was 64.4MB in the beginning and 56.8MB in the end (delta: 7.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-12-13 19:43:33,370 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:43:33,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 819.04ms. Allocated memory is still 86.0MB. Free memory was 64.1MB in the beginning and 45.4MB in the end (delta: 18.8MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2022-12-13 19:43:33,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.87ms. Allocated memory is still 86.0MB. Free memory was 45.4MB in the beginning and 42.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:43:33,371 INFO L158 Benchmark]: Boogie Preprocessor took 28.36ms. Allocated memory is still 86.0MB. Free memory was 42.1MB in the beginning and 40.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:43:33,371 INFO L158 Benchmark]: RCFGBuilder took 306.38ms. Allocated memory is still 86.0MB. Free memory was 40.1MB in the beginning and 50.6MB in the end (delta: -10.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-12-13 19:43:33,371 INFO L158 Benchmark]: TraceAbstraction took 959.62ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 47.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2022-12-13 19:43:33,371 INFO L158 Benchmark]: Witness Printer took 61.72ms. Allocated memory is still 86.0MB. Free memory was 47.1MB in the beginning and 56.8MB in the end (delta: -9.7MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2022-12-13 19:43:33,373 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 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 819.04ms. Allocated memory is still 86.0MB. Free memory was 64.1MB in the beginning and 45.4MB in the end (delta: 18.8MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.87ms. Allocated memory is still 86.0MB. Free memory was 45.4MB in the beginning and 42.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.36ms. Allocated memory is still 86.0MB. Free memory was 42.1MB in the beginning and 40.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 306.38ms. Allocated memory is still 86.0MB. Free memory was 40.1MB in the beginning and 50.6MB in the end (delta: -10.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * TraceAbstraction took 959.62ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 47.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 61.72ms. Allocated memory is still 86.0MB. Free memory was 47.1MB in the beginning and 56.8MB in the end (delta: -9.7MB). Peak memory consumption was 2.3MB. 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: 1559]: 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] [L1567] 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) [L1567] 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] [L1568] CALL CWE190_Integer_Overflow__int_rand_preinc_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [\old(data)=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()=65536, rand()=0, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; VAL [\old(data)=0, \result=2147483647, 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] [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] ++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: 1559]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 1 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 19:43:33,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9aa22-2662-41c1-bfc9-e23f633c3cbb/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)