./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array07_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_dd7d0a63-bd36-4a6c-be59-bda154656315/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd7d0a63-bd36-4a6c-be59-bda154656315/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_dd7d0a63-bd36-4a6c-be59-bda154656315/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd7d0a63-bd36-4a6c-be59-bda154656315/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array07_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd7d0a63-bd36-4a6c-be59-bda154656315/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_dd7d0a63-bd36-4a6c-be59-bda154656315/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 94e9a459f78c3121054dddbd02ed369b162f8ff75bebed614a4cadba488d510f --- 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 22:00:51,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:00:51,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:00:52,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:00:52,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:00:52,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:00:52,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:00:52,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:00:52,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:00:52,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:00:52,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:00:52,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:00:52,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:00:52,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:00:52,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:00:52,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:00:52,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:00:52,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:00:52,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:00:52,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:00:52,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:00:52,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:00:52,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:00:52,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:00:52,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:00:52,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:00:52,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:00:52,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:00:52,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:00:52,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:00:52,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:00:52,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:00:52,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:00:52,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:00:52,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:00:52,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:00:52,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:00:52,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:00:52,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:00:52,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:00:52,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:00:52,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd7d0a63-bd36-4a6c-be59-bda154656315/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:00:52,129 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:00:52,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:00:52,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:00:52,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:00:52,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:00:52,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:00:52,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:00:52,133 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:00:52,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:00:52,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:00:52,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:00:52,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:00:52,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:00:52,136 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:00:52,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:00:52,137 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:00:52,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:00:52,137 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:00:52,137 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:00:52,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:00:52,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:00:52,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:00:52,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:00:52,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:00:52,139 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:00:52,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:00:52,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:00:52,140 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_dd7d0a63-bd36-4a6c-be59-bda154656315/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd7d0a63-bd36-4a6c-be59-bda154656315/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94e9a459f78c3121054dddbd02ed369b162f8ff75bebed614a4cadba488d510f [2022-11-21 22:00:52,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:00:52,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:00:52,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:00:52,489 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:00:52,490 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:00:52,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd7d0a63-bd36-4a6c-be59-bda154656315/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-15/array07_alloca.i [2022-11-21 22:00:55,465 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:00:55,702 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:00:55,703 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd7d0a63-bd36-4a6c-be59-bda154656315/sv-benchmarks/c/termination-15/array07_alloca.i [2022-11-21 22:00:55,713 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd7d0a63-bd36-4a6c-be59-bda154656315/bin/ukojak-jW3SillKbg/data/e29f393a1/a1a42c48613c418a93e94fbf02a20349/FLAG802504508 [2022-11-21 22:00:55,732 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd7d0a63-bd36-4a6c-be59-bda154656315/bin/ukojak-jW3SillKbg/data/e29f393a1/a1a42c48613c418a93e94fbf02a20349 [2022-11-21 22:00:55,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:00:55,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:00:55,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:00:55,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:00:55,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:00:55,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:00:55" (1/1) ... [2022-11-21 22:00:55,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed15e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:55, skipping insertion in model container [2022-11-21 22:00:55,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:00:55" (1/1) ... [2022-11-21 22:00:55,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:00:55,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:00:56,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:00:56,170 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:00:56,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:00:56,237 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:00:56,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:56 WrapperNode [2022-11-21 22:00:56,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:00:56,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:00:56,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:00:56,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:00:56,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:56" (1/1) ... [2022-11-21 22:00:56,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:56" (1/1) ... [2022-11-21 22:00:56,296 INFO L138 Inliner]: procedures = 151, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-11-21 22:00:56,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:00:56,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:00:56,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:00:56,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:00:56,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:56" (1/1) ... [2022-11-21 22:00:56,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:56" (1/1) ... [2022-11-21 22:00:56,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:56" (1/1) ... [2022-11-21 22:00:56,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:56" (1/1) ... [2022-11-21 22:00:56,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:56" (1/1) ... [2022-11-21 22:00:56,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:56" (1/1) ... [2022-11-21 22:00:56,345 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:56" (1/1) ... [2022-11-21 22:00:56,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:56" (1/1) ... [2022-11-21 22:00:56,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:00:56,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:00:56,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:00:56,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:00:56,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:56" (1/1) ... [2022-11-21 22:00:56,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:00:56,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd7d0a63-bd36-4a6c-be59-bda154656315/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:00:56,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd7d0a63-bd36-4a6c-be59-bda154656315/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:00:56,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd7d0a63-bd36-4a6c-be59-bda154656315/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:00:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:00:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:00:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:00:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:00:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:00:56,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:00:56,539 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:00:56,541 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:00:56,693 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:00:56,733 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:00:56,733 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:00:56,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:00:56 BoogieIcfgContainer [2022-11-21 22:00:56,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:00:56,737 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:00:56,737 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:00:56,748 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:00:56,748 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:00:56" (1/1) ... [2022-11-21 22:00:56,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:00:56,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-11-21 22:00:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-21 22:00:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:00:56,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:56,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:57,195 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 22:00:57,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-11-21 22:00:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-11-21 22:00:57,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:00:57,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:57,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:57,417 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 22:00:57,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:57,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-11-21 22:00:57,439 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-11-21 22:00:57,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:00:57,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:57,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:57,510 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 22:00:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:57,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2022-11-21 22:00:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2022-11-21 22:00:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:00:57,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:57,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:57,661 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 22:00:57,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:57,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2022-11-21 22:00:57,790 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-11-21 22:00:57,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:00:57,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:57,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:57,982 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 22:00:58,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:58,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-11-21 22:00:58,252 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-11-21 22:00:58,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:00:58,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:58,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:59,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:59,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2022-11-21 22:00:59,154 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-11-21 22:00:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:00:59,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:59,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:00:59,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:00:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:00:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:00:59,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:00:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:00:59,289 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2022-11-21 22:00:59,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:00:59 ImpRootNode [2022-11-21 22:00:59,328 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:00:59,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:00:59,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:00:59,329 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:00:59,330 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:00:56" (3/4) ... [2022-11-21 22:00:59,333 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 22:00:59,378 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd7d0a63-bd36-4a6c-be59-bda154656315/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:00:59,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:00:59,379 INFO L158 Benchmark]: Toolchain (without parser) took 3642.85ms. Allocated memory is still 144.7MB. Free memory was 107.0MB in the beginning and 72.7MB in the end (delta: 34.2MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-11-21 22:00:59,380 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 107.0MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:00:59,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.03ms. Allocated memory is still 144.7MB. Free memory was 107.0MB in the beginning and 89.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:00:59,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.92ms. Allocated memory is still 144.7MB. Free memory was 89.6MB in the beginning and 87.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:59,383 INFO L158 Benchmark]: Boogie Preprocessor took 50.06ms. Allocated memory is still 144.7MB. Free memory was 87.7MB in the beginning and 86.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:59,385 INFO L158 Benchmark]: RCFGBuilder took 386.20ms. Allocated memory is still 144.7MB. Free memory was 86.6MB in the beginning and 74.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 22:00:59,385 INFO L158 Benchmark]: CodeCheck took 2591.25ms. Allocated memory is still 144.7MB. Free memory was 74.0MB in the beginning and 74.8MB in the end (delta: -757.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:00:59,387 INFO L158 Benchmark]: Witness Printer took 49.83ms. Allocated memory is still 144.7MB. Free memory was 74.8MB in the beginning and 72.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:59,389 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: 2.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 261 IncrementalHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 20 mSDtfsCounter, 261 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 310 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 732 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 0/6 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