./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN --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 975907b0015572066daa603a1ac95088b358b0e53326aabe86e19a7fbf8c42c4 --- 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-6b4ec56 [2022-11-20 12:00:16,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:00:16,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:00:16,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:00:16,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:00:16,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:00:16,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:00:16,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:00:16,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:00:16,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:00:16,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:00:16,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:00:16,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:00:16,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:00:16,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:00:16,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:00:16,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:00:16,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:00:16,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:00:16,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:00:16,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:00:16,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:00:16,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:00:16,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:00:16,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:00:16,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:00:16,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:00:16,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:00:16,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:00:16,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:00:16,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:00:16,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:00:16,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:00:16,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:00:16,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:00:16,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:00:16,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:00:16,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:00:16,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:00:16,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:00:16,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:00:16,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 12:00:16,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:00:16,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:00:16,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:00:16,937 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:00:16,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:00:16,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:00:16,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:00:16,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:00:16,940 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:00:16,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:00:16,941 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:00:16,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:00:16,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:00:16,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:00:16,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:00:16,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:00:16,943 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 12:00:16,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:00:16,944 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:00:16,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:00:16,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:00:16,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:00:16,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:00:16,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:00:16,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:00:16,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:00:16,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:00:16,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:00:16,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:00:16,948 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:00:16,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:00:16,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:00:16,949 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_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 975907b0015572066daa603a1ac95088b358b0e53326aabe86e19a7fbf8c42c4 [2022-11-20 12:00:17,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:00:17,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:00:17,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:00:17,351 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:00:17,352 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:00:17,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_11_bad.i [2022-11-20 12:00:21,231 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:00:21,687 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:00:21,687 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_11_bad.i [2022-11-20 12:00:21,714 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/data/01e54a661/06fc663f927f4b408d92d9be660199ff/FLAG3226b4b3d [2022-11-20 12:00:21,732 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/data/01e54a661/06fc663f927f4b408d92d9be660199ff [2022-11-20 12:00:21,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:00:21,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:00:21,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:00:21,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:00:21,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:00:21,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:21" (1/1) ... [2022-11-20 12:00:21,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c793ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:21, skipping insertion in model container [2022-11-20 12:00:21,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:21" (1/1) ... [2022-11-20 12:00:21,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:00:21,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:00:22,351 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:00:23,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:00:23,201 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:00:23,237 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:00:23,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:00:23,562 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:00:23,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:23 WrapperNode [2022-11-20 12:00:23,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:00:23,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:00:23,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:00:23,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:00:23,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:23" (1/1) ... [2022-11-20 12:00:23,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:23" (1/1) ... [2022-11-20 12:00:23,669 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-11-20 12:00:23,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:00:23,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:00:23,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:00:23,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:00:23,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:23" (1/1) ... [2022-11-20 12:00:23,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:23" (1/1) ... [2022-11-20 12:00:23,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:23" (1/1) ... [2022-11-20 12:00:23,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:23" (1/1) ... [2022-11-20 12:00:23,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:23" (1/1) ... [2022-11-20 12:00:23,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:23" (1/1) ... [2022-11-20 12:00:23,700 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:23" (1/1) ... [2022-11-20 12:00:23,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:23" (1/1) ... [2022-11-20 12:00:23,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:00:23,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:00:23,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:00:23,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:00:23,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:23" (1/1) ... [2022-11-20 12:00:23,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:00:23,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:23,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:23,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:00:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 12:00:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 12:00:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-11-20 12:00:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-11-20 12:00:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:00:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:00:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:00:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 12:00:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:00:23,998 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:00:24,001 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:00:24,184 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:00:24,193 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:00:24,193 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:00:24,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:24 BoogieIcfgContainer [2022-11-20 12:00:24,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:00:24,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:00:24,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:00:24,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:00:24,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:00:21" (1/3) ... [2022-11-20 12:00:24,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7b5098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:00:24, skipping insertion in model container [2022-11-20 12:00:24,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:23" (2/3) ... [2022-11-20 12:00:24,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7b5098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:00:24, skipping insertion in model container [2022-11-20 12:00:24,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:24" (3/3) ... [2022-11-20 12:00:24,208 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_11_bad.i [2022-11-20 12:00:24,233 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:00:24,233 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 12:00:24,361 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:00:24,369 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;@29c0d854, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:00:24,387 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 12:00:24,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 12:00:24,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 12:00:24,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:24,420 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:24,420 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 12:00:24,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:24,427 INFO L85 PathProgramCache]: Analyzing trace with hash -641348316, now seen corresponding path program 1 times [2022-11-20 12:00:24,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:24,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049917493] [2022-11-20 12:00:24,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:24,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:24,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:00:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:00:25,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:25,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049917493] [2022-11-20 12:00:25,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049917493] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:00:25,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661887091] [2022-11-20 12:00:25,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:25,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:00:25,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:25,162 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:00:25,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 12:00:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:25,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:00:25,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:00:25,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 12:00:25,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:00:25,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661887091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:25,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:00:25,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 12:00:25,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344895443] [2022-11-20 12:00:25,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:25,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:25,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:25,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:25,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:00:25,492 INFO L87 Difference]: Start difference. First operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:00:25,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:25,561 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2022-11-20 12:00:25,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:25,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2022-11-20 12:00:25,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:25,582 INFO L225 Difference]: With dead ends: 43 [2022-11-20 12:00:25,583 INFO L226 Difference]: Without dead ends: 28 [2022-11-20 12:00:25,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:00:25,599 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 12 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:25,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 60 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:00:25,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-20 12:00:25,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-11-20 12:00:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 12:00:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-11-20 12:00:25,668 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 21 [2022-11-20 12:00:25,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:25,682 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-11-20 12:00:25,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:00:25,683 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-11-20 12:00:25,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 12:00:25,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:25,688 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:25,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 12:00:25,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-20 12:00:25,896 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 12:00:25,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:25,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1593038750, now seen corresponding path program 1 times [2022-11-20 12:00:25,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:25,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751754456] [2022-11-20 12:00:25,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:25,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:26,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:00:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:26,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:26,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:00:26,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:26,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751754456] [2022-11-20 12:00:26,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751754456] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:00:26,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232034008] [2022-11-20 12:00:26,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:26,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:00:26,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:26,089 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:00:26,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 12:00:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:26,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:00:26,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:00:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 12:00:26,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:00:26,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232034008] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:26,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:00:26,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 12:00:26,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986486237] [2022-11-20 12:00:26,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:26,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:26,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:26,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:26,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:00:26,236 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:00:26,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:26,250 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2022-11-20 12:00:26,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:26,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-11-20 12:00:26,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:26,252 INFO L225 Difference]: With dead ends: 29 [2022-11-20 12:00:26,253 INFO L226 Difference]: Without dead ends: 23 [2022-11-20 12:00:26,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:00:26,255 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:26,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 41 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:00:26,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-20 12:00:26,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-20 12:00:26,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 12:00:26,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2022-11-20 12:00:26,263 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 22 [2022-11-20 12:00:26,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:26,263 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-11-20 12:00:26,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:00:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-11-20 12:00:26,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 12:00:26,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:26,265 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:26,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:26,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:00:26,473 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 12:00:26,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:26,474 INFO L85 PathProgramCache]: Analyzing trace with hash 2020647561, now seen corresponding path program 1 times [2022-11-20 12:00:26,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:26,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73014726] [2022-11-20 12:00:26,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:26,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:00:26,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:00:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:00:26,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:00:26,655 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 12:00:26,657 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 12:00:26,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 12:00:26,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:00:26,668 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 12:00:26,675 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:00:26,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:00:26 BoogieIcfgContainer [2022-11-20 12:00:26,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:00:26,764 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:00:26,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:00:26,765 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:00:26,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:24" (3/4) ... [2022-11-20 12:00:26,770 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:00:26,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:00:26,778 INFO L158 Benchmark]: Toolchain (without parser) took 5033.84ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 97.9MB in the beginning and 82.7MB in the end (delta: 15.2MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2022-11-20 12:00:26,784 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 89.9MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:00:26,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1824.20ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 97.6MB in the beginning and 115.7MB in the end (delta: -18.1MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2022-11-20 12:00:26,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.63ms. Allocated memory is still 182.5MB. Free memory was 115.7MB in the beginning and 112.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:00:26,790 INFO L158 Benchmark]: Boogie Preprocessor took 37.22ms. Allocated memory is still 182.5MB. Free memory was 112.3MB in the beginning and 110.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:00:26,791 INFO L158 Benchmark]: RCFGBuilder took 487.75ms. Allocated memory is still 182.5MB. Free memory was 110.7MB in the beginning and 96.8MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 12:00:26,794 INFO L158 Benchmark]: TraceAbstraction took 2564.66ms. Allocated memory is still 182.5MB. Free memory was 96.0MB in the beginning and 83.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-20 12:00:26,794 INFO L158 Benchmark]: Witness Printer took 6.35ms. Allocated memory is still 182.5MB. Free memory was 83.7MB in the beginning and 82.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:00:26,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 89.9MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1824.20ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 97.6MB in the beginning and 115.7MB in the end (delta: -18.1MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.63ms. Allocated memory is still 182.5MB. Free memory was 115.7MB in the beginning and 112.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.22ms. Allocated memory is still 182.5MB. Free memory was 112.3MB in the beginning and 110.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.75ms. Allocated memory is still 182.5MB. Free memory was 110.7MB in the beginning and 96.8MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2564.66ms. Allocated memory is still 182.5MB. Free memory was 96.0MB in the beginning and 83.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Witness Printer took 6.35ms. Allocated memory is still 182.5MB. Free memory was 83.7MB in the beginning and 82.7MB in the end (delta: 1.0MB). 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 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); 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)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, 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_add_11_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [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()=2147483647, rand()=65536, rand()=4, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] data + 1 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 3 procedures, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 101 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 63 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 8/12 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 [2022-11-20 12:00:26,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN --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 975907b0015572066daa603a1ac95088b358b0e53326aabe86e19a7fbf8c42c4 --- 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-6b4ec56 [2022-11-20 12:00:29,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:00:29,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:00:29,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:00:29,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:00:29,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:00:29,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:00:29,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:00:29,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:00:29,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:00:29,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:00:29,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:00:29,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:00:29,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:00:29,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:00:29,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:00:29,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:00:29,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:00:29,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:00:29,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:00:29,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:00:29,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:00:29,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:00:29,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:00:29,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:00:29,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:00:29,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:00:29,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:00:29,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:00:29,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:00:29,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:00:29,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:00:29,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:00:29,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:00:29,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:00:29,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:00:29,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:00:29,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:00:29,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:00:29,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:00:29,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:00:29,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-20 12:00:30,010 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:00:30,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:00:30,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:00:30,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:00:30,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:00:30,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:00:30,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:00:30,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:00:30,020 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:00:30,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:00:30,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:00:30,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:00:30,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:00:30,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:00:30,023 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:00:30,024 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:00:30,024 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:00:30,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:00:30,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:00:30,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:00:30,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:00:30,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:00:30,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:00:30,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:00:30,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:00:30,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:00:30,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:00:30,028 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:00:30,029 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:00:30,029 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:00:30,029 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:00:30,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:00:30,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:00:30,031 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 975907b0015572066daa603a1ac95088b358b0e53326aabe86e19a7fbf8c42c4 [2022-11-20 12:00:30,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:00:30,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:00:30,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:00:30,562 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:00:30,563 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:00:30,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_11_bad.i [2022-11-20 12:00:34,433 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:00:34,973 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:00:34,978 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_11_bad.i [2022-11-20 12:00:35,004 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/data/ed0321a9c/18921d91fcc8462daf7614fd31d39e9f/FLAG0266fd48c [2022-11-20 12:00:35,020 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/data/ed0321a9c/18921d91fcc8462daf7614fd31d39e9f [2022-11-20 12:00:35,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:00:35,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:00:35,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:00:35,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:00:35,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:00:35,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:35" (1/1) ... [2022-11-20 12:00:35,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406a0eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:35, skipping insertion in model container [2022-11-20 12:00:35,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:35" (1/1) ... [2022-11-20 12:00:35,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:00:35,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:00:35,717 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:00:36,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:00:36,895 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:00:36,971 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:00:37,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:00:37,200 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:00:37,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:37 WrapperNode [2022-11-20 12:00:37,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:00:37,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:00:37,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:00:37,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:00:37,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:37" (1/1) ... [2022-11-20 12:00:37,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:37" (1/1) ... [2022-11-20 12:00:37,275 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2022-11-20 12:00:37,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:00:37,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:00:37,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:00:37,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:00:37,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:37" (1/1) ... [2022-11-20 12:00:37,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:37" (1/1) ... [2022-11-20 12:00:37,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:37" (1/1) ... [2022-11-20 12:00:37,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:37" (1/1) ... [2022-11-20 12:00:37,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:37" (1/1) ... [2022-11-20 12:00:37,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:37" (1/1) ... [2022-11-20 12:00:37,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:37" (1/1) ... [2022-11-20 12:00:37,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:37" (1/1) ... [2022-11-20 12:00:37,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:00:37,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:00:37,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:00:37,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:00:37,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:37" (1/1) ... [2022-11-20 12:00:37,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:00:37,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:37,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:37,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:00:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 12:00:37,439 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 12:00:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-11-20 12:00:37,440 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-11-20 12:00:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:00:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:00:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:00:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:00:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 12:00:37,671 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:00:37,674 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:00:37,872 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:00:37,880 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:00:37,880 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:00:37,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:37 BoogieIcfgContainer [2022-11-20 12:00:37,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:00:37,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:00:37,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:00:37,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:00:37,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:00:35" (1/3) ... [2022-11-20 12:00:37,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ef26f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:00:37, skipping insertion in model container [2022-11-20 12:00:37,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:37" (2/3) ... [2022-11-20 12:00:37,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ef26f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:00:37, skipping insertion in model container [2022-11-20 12:00:37,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:37" (3/3) ... [2022-11-20 12:00:37,894 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_11_bad.i [2022-11-20 12:00:37,918 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:00:37,918 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 12:00:37,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ef26f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:00:37, skipping insertion in model container [2022-11-20 12:00:37,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:00:37,934 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:00:37,934 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:00:37,934 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:00:37,935 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:37" (3/3) ... [2022-11-20 12:00:37,939 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:00:37,950 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 12:00:37,950 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2022-11-20 12:00:37,960 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 12:00:37,960 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 12:00:37,961 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:00:37,961 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:00:38,010 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:00:38,011 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:00:38,013 INFO L158 Benchmark]: Toolchain (without parser) took 2986.62ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 60.4MB in the beginning and 80.9MB in the end (delta: -20.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 12:00:38,013 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 86.0MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:00:38,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2174.64ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 60.2MB in the beginning and 72.4MB in the end (delta: -12.3MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2022-11-20 12:00:38,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.97ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 69.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:00:38,016 INFO L158 Benchmark]: Boogie Preprocessor took 39.80ms. Allocated memory is still 111.1MB. Free memory was 69.5MB in the beginning and 67.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:00:38,016 INFO L158 Benchmark]: RCFGBuilder took 565.49ms. Allocated memory is still 111.1MB. Free memory was 67.4MB in the beginning and 54.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:00:38,017 INFO L158 Benchmark]: TraceAbstraction took 47.70ms. Allocated memory is still 111.1MB. Free memory was 53.7MB in the beginning and 83.6MB in the end (delta: -29.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:00:38,018 INFO L158 Benchmark]: Witness Printer took 76.95ms. Allocated memory is still 111.1MB. Free memory was 83.6MB in the beginning and 80.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:00:38,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 86.0MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2174.64ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 60.2MB in the beginning and 72.4MB in the end (delta: -12.3MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.97ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 69.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.80ms. Allocated memory is still 111.1MB. Free memory was 69.5MB in the beginning and 67.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 565.49ms. Allocated memory is still 111.1MB. Free memory was 67.4MB in the beginning and 54.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 47.70ms. Allocated memory is still 111.1MB. Free memory was 53.7MB in the beginning and 83.6MB in the end (delta: -29.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 76.95ms. Allocated memory is still 111.1MB. Free memory was 83.6MB in the beginning and 80.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-20 12:00:38,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14716c6e-2e40-4300-9a43-1fe3f520d87b/bin/uautomizer-ug76WZFUDN/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 Result: TRUE