./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 16c87f757d11a5b22574448d8ecfef35f586564e2cd4dda7a1b2fc9778ac5c5b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:04:53,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:04:53,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:04:53,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:04:53,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:04:53,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:04:53,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:04:53,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:04:53,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:04:53,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:04:53,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:04:53,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:04:53,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:04:53,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:04:53,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:04:53,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:04:53,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:04:53,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:04:53,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:04:53,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:04:53,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:04:53,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:04:53,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:04:53,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:04:53,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:04:53,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:04:53,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:04:53,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:04:53,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:04:53,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:04:53,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:04:53,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:04:53,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:04:53,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:04:53,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:04:53,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:04:53,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:04:53,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:04:53,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:04:53,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:04:53,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:04:53,313 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:04:53,336 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:04:53,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:04:53,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:04:53,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:04:53,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:04:53,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:04:53,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:04:53,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:04:53,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:04:53,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:04:53,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:04:53,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:04:53,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:04:53,341 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:04:53,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:04:53,342 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:04:53,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:04:53,342 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:04:53,342 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:04:53,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:04:53,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:04:53,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:04:53,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:04:53,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:04:53,344 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:04:53,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:04:53,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:04:53,344 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_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16c87f757d11a5b22574448d8ecfef35f586564e2cd4dda7a1b2fc9778ac5c5b [2022-11-20 18:04:53,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:04:53,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:04:53,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:04:53,706 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:04:53,706 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:04:53,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i [2022-11-20 18:04:56,966 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:04:57,248 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:04:57,248 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i [2022-11-20 18:04:57,258 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/data/d46b1e664/7038fd82079243f583502244dbe7d724/FLAG41355291d [2022-11-20 18:04:57,271 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/data/d46b1e664/7038fd82079243f583502244dbe7d724 [2022-11-20 18:04:57,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:04:57,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:04:57,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:04:57,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:04:57,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:04:57,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:04:57" (1/1) ... [2022-11-20 18:04:57,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ccccbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:57, skipping insertion in model container [2022-11-20 18:04:57,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:04:57" (1/1) ... [2022-11-20 18:04:57,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:04:57,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:04:57,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:04:57,621 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:04:57,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:04:57,718 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:04:57,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:57 WrapperNode [2022-11-20 18:04:57,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:04:57,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:04:57,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:04:57,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:04:57,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:57" (1/1) ... [2022-11-20 18:04:57,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:57" (1/1) ... [2022-11-20 18:04:57,773 INFO L138 Inliner]: procedures = 110, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2022-11-20 18:04:57,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:04:57,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:04:57,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:04:57,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:04:57,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:57" (1/1) ... [2022-11-20 18:04:57,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:57" (1/1) ... [2022-11-20 18:04:57,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:57" (1/1) ... [2022-11-20 18:04:57,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:57" (1/1) ... [2022-11-20 18:04:57,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:57" (1/1) ... [2022-11-20 18:04:57,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:57" (1/1) ... [2022-11-20 18:04:57,810 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:57" (1/1) ... [2022-11-20 18:04:57,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:57" (1/1) ... [2022-11-20 18:04:57,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:04:57,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:04:57,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:04:57,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:04:57,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:57" (1/1) ... [2022-11-20 18:04:57,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:04:57,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:04:57,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:04:57,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:04:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:04:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:04:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:04:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:04:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:04:57,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:04:58,005 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:04:58,007 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:04:58,176 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:04:58,199 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:04:58,200 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:04:58,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:58 BoogieIcfgContainer [2022-11-20 18:04:58,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:04:58,203 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:04:58,204 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:04:58,214 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:04:58,215 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:58" (1/1) ... [2022-11-20 18:04:58,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:04:58,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:58,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-11-20 18:04:58,341 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-20 18:04:58,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:04:58,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:58,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:04:58,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:04:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:04:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:04:58,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:04:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:04:58,705 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-20 18:04:58,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:04:58 ImpRootNode [2022-11-20 18:04:58,733 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:04:58,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:04:58,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:04:58,736 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:04:58,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:58" (3/4) ... [2022-11-20 18:04:58,739 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:04:58,780 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:04:58,781 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:04:58,782 INFO L158 Benchmark]: Toolchain (without parser) took 1506.55ms. Allocated memory is still 182.5MB. Free memory was 138.3MB in the beginning and 143.3MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:04:58,783 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 134.2MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:04:58,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.84ms. Allocated memory is still 182.5MB. Free memory was 137.9MB in the beginning and 122.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:04:58,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.60ms. Allocated memory is still 182.5MB. Free memory was 122.7MB in the beginning and 121.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:04:58,790 INFO L158 Benchmark]: Boogie Preprocessor took 44.07ms. Allocated memory is still 182.5MB. Free memory was 121.1MB in the beginning and 119.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:04:58,791 INFO L158 Benchmark]: RCFGBuilder took 382.82ms. Allocated memory is still 182.5MB. Free memory was 119.7MB in the beginning and 109.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:04:58,791 INFO L158 Benchmark]: CodeCheck took 529.34ms. Allocated memory is still 182.5MB. Free memory was 108.5MB in the beginning and 144.4MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:04:58,792 INFO L158 Benchmark]: Witness Printer took 46.42ms. Allocated memory is still 182.5MB. Free memory was 144.4MB in the beginning and 143.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:04:58,799 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 554]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] *x = __VERIFIER_nondet_int() [L550] EXPR \read(*x) VAL [\read(*x)=-715827883, __builtin_alloca (sizeof(int))={2:0}, x={2:0}] [L550] COND TRUE *x <= 1000 [L551] COND FALSE !(__VERIFIER_nondet_int()) [L554] EXPR \read(*x) VAL [\read(*x)=-715827883, __builtin_alloca (sizeof(int))={2:0}, x={2:0}] [L554] - 3 * (*x) VAL [\read(*x)=-715827883, __builtin_alloca (sizeof(int))={2:0}, x={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 134.2MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.84ms. Allocated memory is still 182.5MB. Free memory was 137.9MB in the beginning and 122.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.60ms. Allocated memory is still 182.5MB. Free memory was 122.7MB in the beginning and 121.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.07ms. Allocated memory is still 182.5MB. Free memory was 121.1MB in the beginning and 119.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 382.82ms. Allocated memory is still 182.5MB. Free memory was 119.7MB in the beginning and 109.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 529.34ms. Allocated memory is still 182.5MB. Free memory was 108.5MB in the beginning and 144.4MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 46.42ms. Allocated memory is still 182.5MB. Free memory was 144.4MB in the beginning and 143.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 18:04:58,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b5c82-0360-40cf-bb2a-c1b4e3f937e8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)