./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro --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 3a85fecd80cb0cd7b94b3731e21a27e18ec35d8dc4cfa52c97ddfd1d5f487679 --- 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-8393723 [2022-11-18 18:23:31,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:23:31,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:23:31,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:23:31,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:23:31,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:23:31,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:23:31,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:23:31,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:23:31,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:23:31,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:23:31,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:23:31,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:23:31,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:23:31,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:23:31,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:23:31,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:23:31,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:23:31,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:23:31,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:23:31,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:23:31,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:23:31,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:23:31,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:23:31,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:23:31,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:23:31,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:23:31,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:23:31,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:23:31,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:23:31,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:23:31,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:23:31,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:23:31,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:23:31,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:23:31,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:23:31,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:23:31,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:23:31,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:23:31,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:23:31,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:23:31,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 18:23:32,029 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:23:32,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:23:32,031 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:23:32,031 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:23:32,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:23:32,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:23:32,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:23:32,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:23:32,035 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:23:32,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:23:32,037 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:23:32,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:23:32,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:23:32,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:23:32,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:23:32,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:23:32,038 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 18:23:32,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:23:32,039 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:23:32,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:23:32,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:23:32,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:23:32,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:23:32,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:23:32,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:23:32,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:23:32,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:23:32,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:23:32,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:23:32,044 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:23:32,044 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:23:32,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:23:32,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a85fecd80cb0cd7b94b3731e21a27e18ec35d8dc4cfa52c97ddfd1d5f487679 [2022-11-18 18:23:32,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:23:32,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:23:32,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:23:32,413 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:23:32,414 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:23:32,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_64_bad.i [2022-11-18 18:23:32,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/data/1037b2d1a/bbf733c43f3e4d9b9ee9ff3550365b92/FLAGc5b56cc50 [2022-11-18 18:23:33,253 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:23:33,254 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_64_bad.i [2022-11-18 18:23:33,283 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/data/1037b2d1a/bbf733c43f3e4d9b9ee9ff3550365b92/FLAGc5b56cc50 [2022-11-18 18:23:33,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/data/1037b2d1a/bbf733c43f3e4d9b9ee9ff3550365b92 [2022-11-18 18:23:33,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:23:33,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:23:33,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:23:33,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:23:33,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:23:33,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:23:33" (1/1) ... [2022-11-18 18:23:33,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e56d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:23:33, skipping insertion in model container [2022-11-18 18:23:33,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:23:33" (1/1) ... [2022-11-18 18:23:33,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:23:33,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:23:33,906 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 18:23:34,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:23:34,420 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:23:34,439 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 18:23:34,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:23:34,620 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:23:34,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:23:34 WrapperNode [2022-11-18 18:23:34,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:23:34,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:23:34,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:23:34,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:23:34,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:23:34" (1/1) ... [2022-11-18 18:23:34,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:23:34" (1/1) ... [2022-11-18 18:23:34,745 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2022-11-18 18:23:34,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:23:34,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:23:34,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:23:34,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:23:34,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:23:34" (1/1) ... [2022-11-18 18:23:34,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:23:34" (1/1) ... [2022-11-18 18:23:34,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:23:34" (1/1) ... [2022-11-18 18:23:34,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:23:34" (1/1) ... [2022-11-18 18:23:34,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:23:34" (1/1) ... [2022-11-18 18:23:34,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:23:34" (1/1) ... [2022-11-18 18:23:34,787 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:23:34" (1/1) ... [2022-11-18 18:23:34,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:23:34" (1/1) ... [2022-11-18 18:23:34,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:23:34,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:23:34,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:23:34,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:23:34,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:23:34" (1/1) ... [2022-11-18 18:23:34,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:23:34,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:23:34,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:23:34,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:23:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-18 18:23:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-18 18:23:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:23:34,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:23:34,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:23:34,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:23:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:23:34,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:23:34,906 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-18 18:23:34,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:23:34,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:23:35,096 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:23:35,098 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:23:35,359 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:23:35,365 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:23:35,366 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 18:23:35,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:23:35 BoogieIcfgContainer [2022-11-18 18:23:35,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:23:35,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:23:35,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:23:35,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:23:35,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:23:33" (1/3) ... [2022-11-18 18:23:35,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a01717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:23:35, skipping insertion in model container [2022-11-18 18:23:35,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:23:34" (2/3) ... [2022-11-18 18:23:35,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a01717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:23:35, skipping insertion in model container [2022-11-18 18:23:35,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:23:35" (3/3) ... [2022-11-18 18:23:35,377 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_64_bad.i [2022-11-18 18:23:35,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:23:35,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-18 18:23:35,446 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:23:35,453 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;@b1ef3f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:23:35,453 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-18 18:23:35,458 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) [2022-11-18 18:23:35,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 18:23:35,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:23:35,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:23:35,467 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 18:23:35,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:23:35,472 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-11-18 18:23:35,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:23:35,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830331807] [2022-11-18 18:23:35,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:23:35,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:23:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:23:35,698 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 18:23:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:23:35,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 18:23:35,821 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 18:23:35,822 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-18 18:23:35,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-18 18:23:35,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:23:35,831 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-18 18:23:35,839 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:23:35,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:23:35 BoogieIcfgContainer [2022-11-18 18:23:35,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:23:35,902 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:23:35,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:23:35,903 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:23:35,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:23:35" (3/4) ... [2022-11-18 18:23:35,911 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 18:23:35,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:23:35,913 INFO L158 Benchmark]: Toolchain (without parser) took 2502.21ms. Allocated memory is still 115.3MB. Free memory was 78.1MB in the beginning and 51.2MB in the end (delta: 26.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-11-18 18:23:35,915 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:23:35,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1204.92ms. Allocated memory is still 115.3MB. Free memory was 77.9MB in the beginning and 39.5MB in the end (delta: 38.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-18 18:23:35,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.65ms. Allocated memory is still 115.3MB. Free memory was 39.5MB in the beginning and 88.3MB in the end (delta: -48.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-11-18 18:23:35,919 INFO L158 Benchmark]: Boogie Preprocessor took 53.57ms. Allocated memory is still 115.3MB. Free memory was 88.3MB in the beginning and 86.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:23:35,926 INFO L158 Benchmark]: RCFGBuilder took 567.31ms. Allocated memory is still 115.3MB. Free memory was 86.2MB in the beginning and 72.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 18:23:35,927 INFO L158 Benchmark]: TraceAbstraction took 529.47ms. Allocated memory is still 115.3MB. Free memory was 71.5MB in the beginning and 51.9MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-18 18:23:35,927 INFO L158 Benchmark]: Witness Printer took 9.63ms. Allocated memory is still 115.3MB. Free memory was 51.9MB in the beginning and 51.2MB in the end (delta: 703.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:23:35,939 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1204.92ms. Allocated memory is still 115.3MB. Free memory was 77.9MB in the beginning and 39.5MB in the end (delta: 38.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.65ms. Allocated memory is still 115.3MB. Free memory was 39.5MB in the beginning and 88.3MB in the end (delta: -48.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.57ms. Allocated memory is still 115.3MB. Free memory was 88.3MB in the beginning and 86.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 567.31ms. Allocated memory is still 115.3MB. Free memory was 86.2MB in the beginning and 72.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 529.47ms. Allocated memory is still 115.3MB. Free memory was 71.5MB in the beginning and 51.9MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 9.63ms. Allocated memory is still 115.3MB. Free memory was 51.9MB in the beginning and 51.2MB in the end (delta: 703.3kB). 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. Possible FailurePath: [L1525] int globalTrue = 1; [L1547] char** globalArgv = ((void *)0); [L1526] int globalFalse = 0; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1546] int globalArgc = 0; [L1522] const int GLOBAL_CONST_TRUE = 1; [L1527] int globalFive = 5; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=2147483653, argc=2147483653, argv={2147483651:2147483654}, argv={2147483651:2147483654}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_preinc_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=32767, rand()=1, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_preinc_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] ++data VAL [data=2147483647, dataPtr={5:0}, dataVoidPtr={5:0}, dataVoidPtr={5:0}, 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: 1569]: 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 18:23:35,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/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 No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42830891-5b87-4397-a07f-6dc40c5c93ee/bin/uautomizer-TMbwUNV5ro/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample