./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array10_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array10_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4 --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 ee3d17ae6d0b40e558f09e5ca9e74abdfbd39515e0905530f1cfe0f2f95236b7 --- 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-2329fc7 [2022-12-15 01:53:08,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:53:08,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:53:08,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:53:08,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:53:08,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:53:08,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:53:08,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:53:08,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:53:08,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:53:08,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:53:08,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:53:08,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:53:08,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:53:08,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:53:08,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:53:08,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:53:08,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:53:08,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:53:08,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:53:08,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:53:08,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:53:08,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:53:08,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:53:08,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:53:08,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:53:08,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:53:08,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:53:08,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:53:08,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:53:08,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:53:08,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:53:08,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:53:08,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:53:08,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:53:08,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:53:08,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:53:08,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:53:08,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:53:08,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:53:08,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:53:08,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:53:08,184 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:53:08,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:53:08,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:53:08,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:53:08,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:53:08,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:53:08,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:53:08,185 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:53:08,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:53:08,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:53:08,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:53:08,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:53:08,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:53:08,186 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:53:08,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:53:08,186 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:53:08,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:53:08,186 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:53:08,187 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:53:08,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:53:08,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:53:08,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:53:08,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:53:08,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:53:08,187 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:53:08,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:53:08,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:53:08,188 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_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee3d17ae6d0b40e558f09e5ca9e74abdfbd39515e0905530f1cfe0f2f95236b7 [2022-12-15 01:53:08,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:53:08,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:53:08,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:53:08,418 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:53:08,419 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:53:08,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-15/array10_alloca.i [2022-12-15 01:53:11,089 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:53:11,263 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:53:11,264 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/sv-benchmarks/c/termination-15/array10_alloca.i [2022-12-15 01:53:11,273 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4/data/061770173/12cd4c6a81944b5789baa246a44b12dd/FLAGcd5c1c782 [2022-12-15 01:53:11,283 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4/data/061770173/12cd4c6a81944b5789baa246a44b12dd [2022-12-15 01:53:11,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:53:11,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:53:11,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:53:11,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:53:11,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:53:11,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:53:11" (1/1) ... [2022-12-15 01:53:11,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1221949b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:11, skipping insertion in model container [2022-12-15 01:53:11,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:53:11" (1/1) ... [2022-12-15 01:53:11,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:53:11,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:53:11,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:53:11,556 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:53:11,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:53:11,619 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:53:11,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:11 WrapperNode [2022-12-15 01:53:11,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:53:11,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:53:11,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:53:11,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:53:11,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:11" (1/1) ... [2022-12-15 01:53:11,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:11" (1/1) ... [2022-12-15 01:53:11,655 INFO L138 Inliner]: procedures = 151, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-12-15 01:53:11,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:53:11,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:53:11,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:53:11,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:53:11,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:11" (1/1) ... [2022-12-15 01:53:11,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:11" (1/1) ... [2022-12-15 01:53:11,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:11" (1/1) ... [2022-12-15 01:53:11,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:11" (1/1) ... [2022-12-15 01:53:11,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:11" (1/1) ... [2022-12-15 01:53:11,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:11" (1/1) ... [2022-12-15 01:53:11,673 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:11" (1/1) ... [2022-12-15 01:53:11,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:11" (1/1) ... [2022-12-15 01:53:11,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:53:11,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:53:11,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:53:11,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:53:11,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:11" (1/1) ... [2022-12-15 01:53:11,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:53:11,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:53:11,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:53:11,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:53:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:53:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:53:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:53:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:53:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:53:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:53:11,782 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:53:11,784 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:53:11,883 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:53:11,926 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:53:11,926 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 01:53:11,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:53:11 BoogieIcfgContainer [2022-12-15 01:53:11,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:53:11,929 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:53:11,929 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:53:11,938 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:53:11,938 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:53:11" (1/1) ... [2022-12-15 01:53:11,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:53:11,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:11,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-12-15 01:53:11,997 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-12-15 01:53:11,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:53:11,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:11,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:12,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:12,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:12,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-12-15 01:53:12,250 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-12-15 01:53:12,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:53:12,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:12,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:12,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:12,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:12,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-12-15 01:53:12,312 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-12-15 01:53:12,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:53:12,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:12,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:12,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:12,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:12,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2022-12-15 01:53:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2022-12-15 01:53:12,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:53:12,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:12,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:12,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:12,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:12,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-12-15 01:53:12,580 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-12-15 01:53:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:53:12,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:12,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:12,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:12,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:12,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-12-15 01:53:12,800 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-15 01:53:12,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:53:12,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:12,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:53:12,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 01:53:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:53:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:53:12,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 01:53:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:53:12,870 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-12-15 01:53:12,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:53:12 ImpRootNode [2022-12-15 01:53:12,893 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:53:12,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:53:12,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:53:12,894 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:53:12,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:53:11" (3/4) ... [2022-12-15 01:53:12,896 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 01:53:12,931 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0166fbd-61aa-4ce4-97ff-683288395b37/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:53:12,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:53:12,932 INFO L158 Benchmark]: Toolchain (without parser) took 1645.17ms. Allocated memory is still 161.5MB. Free memory was 119.0MB in the beginning and 108.3MB in the end (delta: 10.7MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-12-15 01:53:12,932 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 161.5MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:53:12,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.68ms. Allocated memory is still 161.5MB. Free memory was 119.0MB in the beginning and 101.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 01:53:12,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.11ms. Allocated memory is still 161.5MB. Free memory was 101.8MB in the beginning and 100.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:53:12,934 INFO L158 Benchmark]: Boogie Preprocessor took 18.06ms. Allocated memory is still 161.5MB. Free memory was 100.1MB in the beginning and 98.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:53:12,935 INFO L158 Benchmark]: RCFGBuilder took 253.16ms. Allocated memory is still 161.5MB. Free memory was 98.7MB in the beginning and 85.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 01:53:12,935 INFO L158 Benchmark]: CodeCheck took 964.05ms. Allocated memory is still 161.5MB. Free memory was 85.7MB in the beginning and 110.4MB in the end (delta: -24.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:53:12,936 INFO L158 Benchmark]: Witness Printer took 37.50ms. Allocated memory is still 161.5MB. Free memory was 110.4MB in the beginning and 108.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:53:12,939 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, 18 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 16 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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: 375]: integer overflow possible integer overflow possible We found a FailurePath: [L365] int i, j; [L366] int length = __VERIFIER_nondet_int(); [L367] COND FALSE !(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