./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array09_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array09_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg --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 4bb0671b4b3b34b0008c62cb06f9dde07e56c5dbf3071783b051c4e580038106 --- 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-b5237d8 [2022-11-21 22:09:57,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:09:57,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:09:57,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:09:57,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:09:57,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:09:57,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:09:57,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:09:57,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:09:57,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:09:57,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:09:57,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:09:57,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:09:57,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:09:57,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:09:57,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:09:57,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:09:57,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:09:57,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:09:57,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:09:57,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:09:57,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:09:57,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:09:57,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:09:57,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:09:57,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:09:57,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:09:57,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:09:57,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:09:57,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:09:57,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:09:57,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:09:57,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:09:57,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:09:57,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:09:57,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:09:57,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:09:57,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:09:57,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:09:57,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:09:57,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:09:57,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:09:57,373 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:09:57,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:09:57,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:09:57,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:09:57,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:09:57,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:09:57,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:09:57,391 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:09:57,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:09:57,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:09:57,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:09:57,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:09:57,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:09:57,393 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:09:57,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:09:57,393 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:09:57,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:09:57,394 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:09:57,395 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:09:57,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:09:57,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:09:57,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:09:57,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:09:57,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:09:57,396 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:09:57,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:09:57,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:09:57,397 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_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bb0671b4b3b34b0008c62cb06f9dde07e56c5dbf3071783b051c4e580038106 [2022-11-21 22:09:57,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:09:57,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:09:57,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:09:57,693 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:09:57,694 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:09:57,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-15/array09_alloca.i [2022-11-21 22:10:00,865 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:10:01,089 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:10:01,090 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/sv-benchmarks/c/termination-15/array09_alloca.i [2022-11-21 22:10:01,100 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg/data/b7a34c772/6fc769bcb4ac4c9eaad27d74bd2bf2ff/FLAGd210af991 [2022-11-21 22:10:01,120 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg/data/b7a34c772/6fc769bcb4ac4c9eaad27d74bd2bf2ff [2022-11-21 22:10:01,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:10:01,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:10:01,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:10:01,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:10:01,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:10:01,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:01" (1/1) ... [2022-11-21 22:10:01,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780888b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:01, skipping insertion in model container [2022-11-21 22:10:01,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:01" (1/1) ... [2022-11-21 22:10:01,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:10:01,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:10:01,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:10:01,511 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:10:01,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:10:01,629 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:10:01,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:01 WrapperNode [2022-11-21 22:10:01,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:10:01,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:10:01,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:10:01,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:10:01,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:01" (1/1) ... [2022-11-21 22:10:01,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:01" (1/1) ... [2022-11-21 22:10:01,670 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-11-21 22:10:01,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:10:01,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:10:01,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:10:01,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:10:01,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:01" (1/1) ... [2022-11-21 22:10:01,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:01" (1/1) ... [2022-11-21 22:10:01,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:01" (1/1) ... [2022-11-21 22:10:01,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:01" (1/1) ... [2022-11-21 22:10:01,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:01" (1/1) ... [2022-11-21 22:10:01,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:01" (1/1) ... [2022-11-21 22:10:01,693 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:01" (1/1) ... [2022-11-21 22:10:01,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:01" (1/1) ... [2022-11-21 22:10:01,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:10:01,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:10:01,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:10:01,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:10:01,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:01" (1/1) ... [2022-11-21 22:10:01,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:10:01,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:10:01,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:10:01,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:10:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:10:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:10:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:10:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:10:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:10:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:10:01,869 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:10:01,871 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:10:01,992 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:10:02,043 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:10:02,044 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:10:02,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:02 BoogieIcfgContainer [2022-11-21 22:10:02,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:10:02,048 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:10:02,048 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:10:02,071 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:10:02,071 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:02" (1/1) ... [2022-11-21 22:10:02,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:10:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:10:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-11-21 22:10:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-11-21 22:10:02,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:10:02,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:10:02,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:10:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:10:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:10:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:10:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2022-11-21 22:10:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2022-11-21 22:10:02,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:10:02,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:10:02,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:10:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:10:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:10:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:10:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-11-21 22:10:02,989 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-11-21 22:10:02,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:10:02,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:10:02,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:10:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:10:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:10:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:10:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-11-21 22:10:03,171 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-11-21 22:10:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:10:03,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:10:03,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:10:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:10:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:10:03,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:10:03,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-11-21 22:10:03,700 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-11-21 22:10:03,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:10:03,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:10:03,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:10:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:10:03,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:10:04,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:10:04,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2022-11-21 22:10:04,143 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2022-11-21 22:10:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:10:04,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:10:04,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:10:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:10:04,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:10:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:10:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:10:04,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:10:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:10:04,283 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-11-21 22:10:04,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:10:04 ImpRootNode [2022-11-21 22:10:04,310 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:10:04,310 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:10:04,310 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:10:04,311 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:10:04,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:02" (3/4) ... [2022-11-21 22:10:04,314 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 22:10:04,351 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bf1164-4614-4090-b375-0fac14ba4c1c/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:10:04,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:10:04,352 INFO L158 Benchmark]: Toolchain (without parser) took 3223.74ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 121.3MB in the beginning and 124.0MB in the end (delta: -2.7MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2022-11-21 22:10:04,353 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:10:04,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.51ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 103.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:10:04,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.64ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 101.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:10:04,355 INFO L158 Benchmark]: Boogie Preprocessor took 24.12ms. Allocated memory is still 167.8MB. Free memory was 101.9MB in the beginning and 100.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:10:04,355 INFO L158 Benchmark]: RCFGBuilder took 350.55ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 87.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 22:10:04,356 INFO L158 Benchmark]: CodeCheck took 2262.09ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 87.2MB in the beginning and 126.0MB in the end (delta: -38.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-11-21 22:10:04,357 INFO L158 Benchmark]: Witness Printer took 41.46ms. Allocated memory is still 228.6MB. Free memory was 126.0MB in the beginning and 124.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:10:04,360 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 227 IncrementalHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 6 mSDtfsCounter, 227 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 252 GetRequests, 209 SyntacticMatches, 9 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 0/5 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: 378]: integer overflow possible integer overflow possible We found a FailurePath: [L365] int i, j; [L366] int length = __VERIFIER_nondet_int(); [L367] COND TRUE length < 1 [L367] length = 1 [L368] int *arr = __builtin_alloca(length*sizeof(int)); VAL [__builtin_alloca(length*sizeof(int))={2:0}, arr={2:0}, length=1] [L369] COND FALSE !(!arr) [L370] i=0 VAL [__builtin_alloca(length*sizeof(int))={2:0}, arr={2:0}, i=0, length=1] [L370] COND TRUE i -1) [L370] i++ VAL [__builtin_alloca(length*sizeof(int))={2:0}, arr={2:0}, i=1, length=1] [L370] COND FALSE !(i