./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_06_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9dd3fbbc6432d391db7db4871d65e2cc52d1afb44be28444f81dc960cd6e3ab4 --- 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-4e7fbc6 [2022-11-23 16:08:46,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:08:46,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:08:46,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:08:46,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:08:46,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:08:46,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:08:46,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:08:46,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:08:46,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:08:46,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:08:46,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:08:46,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:08:46,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:08:46,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:08:46,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:08:46,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:08:46,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:08:46,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:08:46,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:08:46,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:08:46,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:08:46,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:08:46,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:08:46,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:08:46,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:08:46,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:08:46,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:08:46,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:08:46,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:08:46,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:08:46,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:08:46,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:08:46,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:08:46,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:08:46,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:08:46,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:08:46,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:08:46,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:08:46,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:08:46,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:08:46,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 16:08:46,262 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:08:46,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:08:46,263 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:08:46,263 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:08:46,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:08:46,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:08:46,264 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:08:46,265 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:08:46,265 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:08:46,265 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:08:46,266 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:08:46,266 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:08:46,267 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:08:46,267 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:08:46,267 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:08:46,267 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:08:46,267 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:08:46,267 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:08:46,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:08:46,269 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 16:08:46,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:08:46,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:08:46,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:08:46,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:08:46,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:08:46,270 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 16:08:46,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:08:46,271 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:08:46,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:08:46,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:08:46,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:08:46,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:08:46,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:08:46,272 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:08:46,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:08:46,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:08:46,273 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:08:46,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:08:46,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:08:46,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:08:46,273 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_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dd3fbbc6432d391db7db4871d65e2cc52d1afb44be28444f81dc960cd6e3ab4 [2022-11-23 16:08:46,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:08:46,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:08:46,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:08:46,619 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:08:46,619 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:08:46,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_06_bad.i [2022-11-23 16:08:49,700 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:08:50,076 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:08:50,080 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_06_bad.i [2022-11-23 16:08:50,106 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/data/cfb34e0e8/e1867d82a9c843ca86d70215d07f6379/FLAG29a243596 [2022-11-23 16:08:50,120 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/data/cfb34e0e8/e1867d82a9c843ca86d70215d07f6379 [2022-11-23 16:08:50,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:08:50,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:08:50,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:08:50,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:08:50,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:08:50,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:50" (1/1) ... [2022-11-23 16:08:50,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b8ed77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:50, skipping insertion in model container [2022-11-23 16:08:50,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:50" (1/1) ... [2022-11-23 16:08:50,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:08:50,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:08:50,541 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:08:51,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:08:51,168 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:08:51,211 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:08:51,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:08:51,520 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:08:51,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51 WrapperNode [2022-11-23 16:08:51,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:08:51,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:08:51,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:08:51,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:08:51,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2022-11-23 16:08:51,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2022-11-23 16:08:51,578 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2022-11-23 16:08:51,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:08:51,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:08:51,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:08:51,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:08:51,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2022-11-23 16:08:51,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2022-11-23 16:08:51,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2022-11-23 16:08:51,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2022-11-23 16:08:51,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2022-11-23 16:08:51,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2022-11-23 16:08:51,604 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2022-11-23 16:08:51,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2022-11-23 16:08:51,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:08:51,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:08:51,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:08:51,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:08:51,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2022-11-23 16:08:51,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:08:51,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:08:51,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:08:51,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:08:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 16:08:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 16:08:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:08:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:08:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:08:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 16:08:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 16:08:51,848 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:08:51,865 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:08:52,069 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:08:52,162 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:08:52,162 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 16:08:52,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:52 BoogieIcfgContainer [2022-11-23 16:08:52,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:08:52,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:08:52,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:08:52,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:08:52,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:08:50" (1/3) ... [2022-11-23 16:08:52,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8ca666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:08:52, skipping insertion in model container [2022-11-23 16:08:52,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (2/3) ... [2022-11-23 16:08:52,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8ca666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:08:52, skipping insertion in model container [2022-11-23 16:08:52,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:52" (3/3) ... [2022-11-23 16:08:52,175 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_06_bad.i [2022-11-23 16:08:52,195 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:08:52,195 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 16:08:52,243 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:08:52,250 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=FINITE_AUTOMATA, 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;@442b1695, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:08:52,250 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 16:08:52,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 16:08:52,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 16:08:52,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:52,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:08:52,266 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:08:52,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:52,275 INFO L85 PathProgramCache]: Analyzing trace with hash 188919820, now seen corresponding path program 1 times [2022-11-23 16:08:52,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:08:52,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975662196] [2022-11-23 16:08:52,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:52,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:08:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:08:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:08:52,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:08:52,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975662196] [2022-11-23 16:08:52,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975662196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:08:52,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:08:52,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 16:08:52,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618456106] [2022-11-23 16:08:52,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:08:52,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 16:08:52,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:08:52,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 16:08:52,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:08:52,974 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:08:53,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:08:53,044 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-11-23 16:08:53,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 16:08:53,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-11-23 16:08:53,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:08:53,071 INFO L225 Difference]: With dead ends: 20 [2022-11-23 16:08:53,072 INFO L226 Difference]: Without dead ends: 9 [2022-11-23 16:08:53,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 16:08:53,077 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:08:53,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 11 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:08:53,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-23 16:08:53,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-23 16:08:53,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:08:53,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-11-23 16:08:53,117 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-11-23 16:08:53,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:08:53,118 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-11-23 16:08:53,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:08:53,119 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-11-23 16:08:53,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 16:08:53,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:53,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:08:53,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 16:08:53,122 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:08:53,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:53,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1561547186, now seen corresponding path program 1 times [2022-11-23 16:08:53,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:08:53,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080750103] [2022-11-23 16:08:53,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:53,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:08:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 16:08:53,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 16:08:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 16:08:53,284 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 16:08:53,285 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 16:08:53,287 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 16:08:53,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 16:08:53,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 16:08:53,293 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 16:08:53,297 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 16:08:53,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:08:53 BoogieIcfgContainer [2022-11-23 16:08:53,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 16:08:53,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 16:08:53,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 16:08:53,336 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 16:08:53,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:52" (3/4) ... [2022-11-23 16:08:53,340 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 16:08:53,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 16:08:53,341 INFO L158 Benchmark]: Toolchain (without parser) took 3216.76ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 96.4MB in the beginning and 132.4MB in the end (delta: -36.0MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2022-11-23 16:08:53,342 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 144.7MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:08:53,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1395.33ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 96.0MB in the beginning and 143.1MB in the end (delta: -47.1MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2022-11-23 16:08:53,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.05ms. Allocated memory is still 195.0MB. Free memory was 143.1MB in the beginning and 139.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 16:08:53,343 INFO L158 Benchmark]: Boogie Preprocessor took 33.38ms. Allocated memory is still 195.0MB. Free memory was 139.9MB in the beginning and 138.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:08:53,344 INFO L158 Benchmark]: RCFGBuilder took 551.84ms. Allocated memory is still 195.0MB. Free memory was 138.9MB in the beginning and 117.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 16:08:53,344 INFO L158 Benchmark]: TraceAbstraction took 1167.62ms. Allocated memory is still 195.0MB. Free memory was 116.8MB in the beginning and 132.4MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:08:53,345 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 195.0MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:08:53,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 144.7MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1395.33ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 96.0MB in the beginning and 143.1MB in the end (delta: -47.1MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.05ms. Allocated memory is still 195.0MB. Free memory was 143.1MB in the beginning and 139.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.38ms. Allocated memory is still 195.0MB. Free memory was 139.9MB in the beginning and 138.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 551.84ms. Allocated memory is still 195.0MB. Free memory was 138.9MB in the beginning and 117.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1167.62ms. Allocated memory is still 195.0MB. Free memory was 116.8MB in the beginning and 132.4MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 195.0MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1555, overapproximation of bitwiseAnd at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [#in~line={2:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [#in~argv={2147483651:2147483650}, argc=2147483649, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5, unknown-#in~argc-unknown=2147483649] [L1570] CALL CWE190_Integer_Overflow__int_rand_postinc_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 [L1560] data++ VAL [data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483652, STATIC_CONST_FIVE=5] - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 16:08:53,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9dd3fbbc6432d391db7db4871d65e2cc52d1afb44be28444f81dc960cd6e3ab4 --- 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-4e7fbc6 [2022-11-23 16:08:55,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:08:55,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:08:55,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:08:55,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:08:55,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:08:55,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:08:55,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:08:55,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:08:55,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:08:55,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:08:55,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:08:55,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:08:55,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:08:55,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:08:55,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:08:55,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:08:55,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:08:55,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:08:55,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:08:55,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:08:55,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:08:55,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:08:55,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:08:55,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:08:55,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:08:55,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:08:55,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:08:55,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:08:55,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:08:55,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:08:55,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:08:55,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:08:55,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:08:55,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:08:55,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:08:55,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:08:55,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:08:55,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:08:55,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:08:55,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:08:55,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 16:08:55,984 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:08:55,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:08:55,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:08:55,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:08:55,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:08:55,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:08:55,994 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:08:55,994 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:08:55,995 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:08:55,995 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:08:55,996 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:08:55,996 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:08:55,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:08:55,998 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 16:08:55,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:08:55,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:08:55,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:08:55,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:08:55,999 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 16:08:55,999 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 16:08:56,000 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 16:08:56,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 16:08:56,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:08:56,001 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:08:56,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:08:56,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:08:56,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 16:08:56,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:08:56,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:08:56,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:08:56,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:08:56,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:08:56,004 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 16:08:56,005 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 16:08:56,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:08:56,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:08:56,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 16:08:56,006 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_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dd3fbbc6432d391db7db4871d65e2cc52d1afb44be28444f81dc960cd6e3ab4 [2022-11-23 16:08:56,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:08:56,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:08:56,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:08:56,411 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:08:56,412 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:08:56,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_06_bad.i [2022-11-23 16:08:59,419 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:08:59,816 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:08:59,817 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_06_bad.i [2022-11-23 16:08:59,838 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/data/05f878080/a3f5d0e5003149e69ffcd5b549538b78/FLAG611fda65f [2022-11-23 16:08:59,857 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/data/05f878080/a3f5d0e5003149e69ffcd5b549538b78 [2022-11-23 16:08:59,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:08:59,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:08:59,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:08:59,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:08:59,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:08:59,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:59" (1/1) ... [2022-11-23 16:08:59,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350110b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:59, skipping insertion in model container [2022-11-23 16:08:59,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:59" (1/1) ... [2022-11-23 16:08:59,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:08:59,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:09:00,392 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:09:01,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:09:01,298 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:09:01,317 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:09:01,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:09:01,518 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:09:01,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:01 WrapperNode [2022-11-23 16:09:01,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:09:01,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:09:01,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:09:01,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:09:01,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:01" (1/1) ... [2022-11-23 16:09:01,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:01" (1/1) ... [2022-11-23 16:09:01,605 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2022-11-23 16:09:01,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:09:01,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:09:01,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:09:01,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:09:01,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:01" (1/1) ... [2022-11-23 16:09:01,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:01" (1/1) ... [2022-11-23 16:09:01,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:01" (1/1) ... [2022-11-23 16:09:01,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:01" (1/1) ... [2022-11-23 16:09:01,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:01" (1/1) ... [2022-11-23 16:09:01,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:01" (1/1) ... [2022-11-23 16:09:01,636 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:01" (1/1) ... [2022-11-23 16:09:01,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:01" (1/1) ... [2022-11-23 16:09:01,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:09:01,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:09:01,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:09:01,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:09:01,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:01" (1/1) ... [2022-11-23 16:09:01,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:09:01,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:09:01,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:09:01,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:09:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 16:09:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 16:09:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 16:09:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:09:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:09:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:09:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 16:09:01,881 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:09:01,884 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:09:02,039 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:09:02,045 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:09:02,045 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 16:09:02,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:02 BoogieIcfgContainer [2022-11-23 16:09:02,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:09:02,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:09:02,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:09:02,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:09:02,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:08:59" (1/3) ... [2022-11-23 16:09:02,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c331e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:02, skipping insertion in model container [2022-11-23 16:09:02,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:01" (2/3) ... [2022-11-23 16:09:02,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c331e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:02, skipping insertion in model container [2022-11-23 16:09:02,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:02" (3/3) ... [2022-11-23 16:09:02,056 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_06_bad.i [2022-11-23 16:09:02,074 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:09:02,074 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 16:09:02,133 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:09:02,140 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=FINITE_AUTOMATA, 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;@123f8154, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:09:02,140 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 16:09:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 16:09:02,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 16:09:02,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:09:02,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:09:02,155 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:09:02,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:09:02,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-11-23 16:09:02,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 16:09:02,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830327949] [2022-11-23 16:09:02,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:09:02,175 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 16:09:02,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 16:09:02,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 16:09:02,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 16:09:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:09:02,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 16:09:02,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:09:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:09:02,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:09:02,389 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 16:09:02,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830327949] [2022-11-23 16:09:02,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [830327949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:09:02,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:09:02,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 16:09:02,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237042421] [2022-11-23 16:09:02,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:09:02,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 16:09:02,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 16:09:02,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 16:09:02,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 16:09:02,464 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:09:02,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:09:02,479 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2022-11-23 16:09:02,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 16:09:02,481 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-23 16:09:02,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:09:02,488 INFO L225 Difference]: With dead ends: 23 [2022-11-23 16:09:02,488 INFO L226 Difference]: Without dead ends: 15 [2022-11-23 16:09:02,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 16:09:02,495 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:09:02,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:09:02,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-23 16:09:02,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-23 16:09:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:09:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-11-23 16:09:02,541 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2022-11-23 16:09:02,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:09:02,541 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-23 16:09:02,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:09:02,542 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-11-23 16:09:02,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 16:09:02,544 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:09:02,544 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:09:02,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 16:09:02,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 16:09:02,761 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:09:02,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:09:02,762 INFO L85 PathProgramCache]: Analyzing trace with hash -250853505, now seen corresponding path program 1 times [2022-11-23 16:09:02,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 16:09:02,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1214033070] [2022-11-23 16:09:02,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:09:02,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 16:09:02,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 16:09:02,765 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 16:09:02,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 16:09:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:09:02,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 16:09:02,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:09:02,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:09:02,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:09:02,908 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 16:09:02,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1214033070] [2022-11-23 16:09:02,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1214033070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:09:02,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:09:02,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 16:09:02,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374475930] [2022-11-23 16:09:02,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:09:02,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:09:02,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 16:09:02,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:09:02,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:09:02,922 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:09:02,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:09:02,940 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-11-23 16:09:02,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:09:02,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-23 16:09:02,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:09:02,943 INFO L225 Difference]: With dead ends: 19 [2022-11-23 16:09:02,943 INFO L226 Difference]: Without dead ends: 15 [2022-11-23 16:09:02,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:09:02,945 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:09:02,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:09:02,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-23 16:09:02,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-23 16:09:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:09:02,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-11-23 16:09:02,950 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2022-11-23 16:09:02,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:09:02,950 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-23 16:09:02,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:09:02,951 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-23 16:09:02,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 16:09:02,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:09:02,956 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:09:02,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 16:09:03,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 16:09:03,161 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:09:03,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:09:03,162 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-11-23 16:09:03,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 16:09:03,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556145443] [2022-11-23 16:09:03,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:09:03,163 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 16:09:03,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 16:09:03,183 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 16:09:03,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-23 16:09:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 16:09:03,306 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 16:09:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 16:09:03,376 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-23 16:09:03,377 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 16:09:03,379 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 16:09:03,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 16:09:03,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-23 16:09:03,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 16:09:03,602 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-23 16:09:03,606 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 16:09:03,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:09:03 BoogieIcfgContainer [2022-11-23 16:09:03,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 16:09:03,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 16:09:03,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 16:09:03,642 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 16:09:03,642 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:02" (3/4) ... [2022-11-23 16:09:03,650 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 16:09:03,699 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 16:09:03,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 16:09:03,701 INFO L158 Benchmark]: Toolchain (without parser) took 3838.35ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 67.8MB in the beginning and 69.6MB in the end (delta: -1.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-11-23 16:09:03,701 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 67.1MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:09:03,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1655.96ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 54.7MB in the end (delta: 12.9MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2022-11-23 16:09:03,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.19ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 51.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:09:03,703 INFO L158 Benchmark]: Boogie Preprocessor took 41.16ms. Allocated memory is still 92.3MB. Free memory was 51.2MB in the beginning and 49.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:09:03,703 INFO L158 Benchmark]: RCFGBuilder took 399.05ms. Allocated memory is still 92.3MB. Free memory was 49.1MB in the beginning and 63.7MB in the end (delta: -14.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-11-23 16:09:03,704 INFO L158 Benchmark]: TraceAbstraction took 1591.83ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 63.2MB in the beginning and 72.4MB in the end (delta: -9.2MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-11-23 16:09:03,705 INFO L158 Benchmark]: Witness Printer took 58.30ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 69.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:09:03,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 67.1MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1655.96ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 54.7MB in the end (delta: 12.9MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.19ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 51.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.16ms. Allocated memory is still 92.3MB. Free memory was 51.2MB in the beginning and 49.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 399.05ms. Allocated memory is still 92.3MB. Free memory was 49.1MB in the beginning and 63.7MB in the end (delta: -14.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1591.83ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 63.2MB in the beginning and 72.4MB in the end (delta: -9.2MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Witness Printer took 58.30ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 69.6MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1560]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1569] CALL printLine("Calling bad()...") VAL [#in~line={2:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [#in~argv={13:12}, argc=12, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5, unknown-#in~argc-unknown=12] [L1570] CALL CWE190_Integer_Overflow__int_rand_postinc_06_bad() [L1551] int data; [L1552] 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, STATIC_CONST_FIVE=5] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1, rand()=1, rand()=0, rand()=1073741823, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647, STATIC_CONST_FIVE=5] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 [L1560] data++ VAL [data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 89 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-23 16:09:03,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d46cc1-7da7-4837-bb23-50959354cf1f/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)