./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_7d1e3bb1-8ea7-4905-b16d-8284f712d910/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/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_7d1e3bb1-8ea7-4905-b16d-8284f712d910/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/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 32bit --witnessprinter.graph.data.programhash eb1b14e8511764ce20ab6a88d1bf2bef8398fca052e797a3c06b53051dc2f2a5 --- 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 [2022-12-14 23:54:25,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:54:25,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:54:25,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:54:25,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:54:25,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:54:25,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:54:25,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:54:25,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:54:25,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:54:25,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:54:25,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:54:25,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:54:25,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:54:25,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:54:25,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:54:25,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:54:25,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:54:25,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:54:25,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:54:25,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:54:25,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:54:25,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:54:25,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:54:25,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:54:25,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:54:25,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:54:25,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:54:25,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:54:25,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:54:25,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:54:25,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:54:25,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:54:25,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:54:25,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:54:25,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:54:25,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:54:26,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:54:26,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:54:26,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:54:26,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:54:26,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 23:54:26,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:54:26,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:54:26,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:54:26,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:54:26,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:54:26,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:54:26,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:54:26,024 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:54:26,024 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:54:26,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:54:26,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:54:26,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:54:26,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:54:26,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:54:26,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:54:26,026 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:54:26,026 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:54:26,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:54:26,026 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:54:26,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:54:26,027 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:54:26,027 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:54:26,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:54:26,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:54:26,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:54:26,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:54:26,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:54:26,028 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:54:26,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:54:26,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:54:26,029 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_7d1e3bb1-8ea7-4905-b16d-8284f712d910/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb1b14e8511764ce20ab6a88d1bf2bef8398fca052e797a3c06b53051dc2f2a5 [2022-12-14 23:54:26,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:54:26,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:54:26,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:54:26,233 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:54:26,233 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:54:26,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2022-12-14 23:54:28,779 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:54:28,924 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:54:28,925 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2022-12-14 23:54:28,932 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/bin/ukojak-rkRKPMF4O4/data/10e91e3f3/621b1a3e424940cd963c57ee5e3837d9/FLAG419a5ffca [2022-12-14 23:54:28,943 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/bin/ukojak-rkRKPMF4O4/data/10e91e3f3/621b1a3e424940cd963c57ee5e3837d9 [2022-12-14 23:54:28,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:54:28,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:54:28,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:54:28,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:54:28,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:54:28,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:54:28" (1/1) ... [2022-12-14 23:54:28,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49431380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:28, skipping insertion in model container [2022-12-14 23:54:28,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:54:28" (1/1) ... [2022-12-14 23:54:28,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:54:28,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:54:29,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:54:29,164 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:54:29,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:54:29,206 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:54:29,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:29 WrapperNode [2022-12-14 23:54:29,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:54:29,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:54:29,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:54:29,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:54:29,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:29" (1/1) ... [2022-12-14 23:54:29,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:29" (1/1) ... [2022-12-14 23:54:29,240 INFO L138 Inliner]: procedures = 116, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2022-12-14 23:54:29,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:54:29,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:54:29,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:54:29,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:54:29,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:29" (1/1) ... [2022-12-14 23:54:29,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:29" (1/1) ... [2022-12-14 23:54:29,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:29" (1/1) ... [2022-12-14 23:54:29,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:29" (1/1) ... [2022-12-14 23:54:29,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:29" (1/1) ... [2022-12-14 23:54:29,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:29" (1/1) ... [2022-12-14 23:54:29,256 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:29" (1/1) ... [2022-12-14 23:54:29,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:29" (1/1) ... [2022-12-14 23:54:29,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:54:29,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:54:29,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:54:29,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:54:29,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:29" (1/1) ... [2022-12-14 23:54:29,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:54:29,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:54:29,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:54:29,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:54:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:54:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:54:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:54:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:54:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:54:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:54:29,395 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:54:29,397 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:54:29,512 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:54:29,561 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:54:29,561 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 23:54:29,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:54:29 BoogieIcfgContainer [2022-12-14 23:54:29,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:54:29,563 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:54:29,563 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:54:29,579 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:54:29,579 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:54:29" (1/1) ... [2022-12-14 23:54:29,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:54:29,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-12-14 23:54:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-12-14 23:54:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 23:54:29,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:29,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:29,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:29,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-12-14 23:54:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-12-14 23:54:29,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 23:54:29,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:29,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:29,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:29,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:29,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-12-14 23:54:29,908 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-12-14 23:54:29,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:54:29,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:29,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:29,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:29,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2022-12-14 23:54:29,937 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-12-14 23:54:29,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:54:29,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:29,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:30,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:30,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2022-12-14 23:54:30,049 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-12-14 23:54:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:54:30,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:30,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:30,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:30,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:30,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2022-12-14 23:54:30,215 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2022-12-14 23:54:30,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:54:30,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:30,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:30,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:30,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2022-12-14 23:54:30,371 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2022-12-14 23:54:30,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:54:30,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:30,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:30,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:30,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2022-12-14 23:54:30,414 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2022-12-14 23:54:30,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:54:30,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:30,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:30,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:30,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:30,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2022-12-14 23:54:30,618 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2022-12-14 23:54:30,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 23:54:30,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:30,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:30,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:30,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:30,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2022-12-14 23:54:30,651 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2022-12-14 23:54:30,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 23:54:30,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:30,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:30,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:30,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2022-12-14 23:54:30,968 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2022-12-14 23:54:30,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:54:30,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:30,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:31,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:31,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:31,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2022-12-14 23:54:31,175 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2022-12-14 23:54:31,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:54:31,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:31,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:31,257 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:31,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:31,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 61 transitions. [2022-12-14 23:54:31,281 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2022-12-14 23:54:31,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:54:31,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:31,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:31,381 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:31,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:31,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2022-12-14 23:54:31,547 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2022-12-14 23:54:31,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:54:31,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:31,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:54:31,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 23:54:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:54:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:54:31,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 23:54:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:54:31,616 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2022-12-14 23:54:31,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:54:31 ImpRootNode [2022-12-14 23:54:31,638 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:54:31,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:54:31,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:54:31,639 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:54:31,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:54:29" (3/4) ... [2022-12-14 23:54:31,642 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 23:54:31,682 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:54:31,682 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:54:31,683 INFO L158 Benchmark]: Toolchain (without parser) took 2736.82ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 88.9MB in the beginning and 83.3MB in the end (delta: 5.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2022-12-14 23:54:31,684 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:54:31,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.77ms. Allocated memory is still 130.0MB. Free memory was 88.7MB in the beginning and 72.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 23:54:31,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.12ms. Allocated memory is still 130.0MB. Free memory was 72.6MB in the beginning and 70.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:54:31,685 INFO L158 Benchmark]: Boogie Preprocessor took 16.91ms. Allocated memory is still 130.0MB. Free memory was 70.8MB in the beginning and 69.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:54:31,685 INFO L158 Benchmark]: RCFGBuilder took 304.48ms. Allocated memory is still 130.0MB. Free memory was 69.5MB in the beginning and 100.0MB in the end (delta: -30.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-12-14 23:54:31,686 INFO L158 Benchmark]: CodeCheck took 2075.19ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 100.0MB in the beginning and 85.4MB in the end (delta: 14.5MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-12-14 23:54:31,686 INFO L158 Benchmark]: Witness Printer took 43.56ms. Allocated memory is still 161.5MB. Free memory was 85.4MB in the beginning and 83.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:54:31,690 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, 23 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 398 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 327 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 160 mSDsCounter, 312 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 949 IncrementalHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 312 mSolverCounterUnsat, 167 mSDtfsCounter, 949 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 751 GetRequests, 683 SyntacticMatches, 6 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 2/21 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: 522]: integer overflow possible integer overflow possible We found a FailurePath: [L528] int array_size = __VERIFIER_nondet_int(); [L529] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L530] array_size = 1 [L532] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L534] int i = 0; VAL [__builtin_alloca (array_size * sizeof(int))={17889:0}, array_size=1, i=0, numbers={17889:0}] [L534] COND TRUE i < array_size [L536] numbers[i] = __VERIFIER_nondet_int() [L534] i++ VAL [__builtin_alloca (array_size * sizeof(int))={17889:0}, array_size=1, i=1, numbers={17889:0}] [L534] COND FALSE !(i < array_size) [L539] CALL sumOfThirdBytes(numbers, array_size) [L514] int i, sum; [L515] char* p; [L516] sum = 0 [L517] i = 0 VAL [\old(array_size)=1, array_size=1, i=0, numbers={17889:0}, numbers={17889:0}, sum=0] [L517] COND TRUE i < array_size [L518] p = &(numbers[i]) [L519] p = p + 2 VAL [\old(array_size)=1, array_size=1, i=0, numbers={17889:0}, numbers={17889:0}, p={17889:2}, sum=0] [L520] EXPR \read(*p) VAL [\old(array_size)=1, \read(*p)=129, array_size=1, i=0, numbers={17889:0}, numbers={17889:0}, p={17889:2}, sum=0] [L520] COND TRUE *p > 0 [L521] sum++ [L522] EXPR \read(*p) [L522] (*p)-- VAL [(*p)--=129, \old(array_size)=1, \read(*p)=129, array_size=1, i=0, numbers={17889:0}, numbers={17889:0}, p={17889:2}, sum=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.77ms. Allocated memory is still 130.0MB. Free memory was 88.7MB in the beginning and 72.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.12ms. Allocated memory is still 130.0MB. Free memory was 72.6MB in the beginning and 70.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.91ms. Allocated memory is still 130.0MB. Free memory was 70.8MB in the beginning and 69.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 304.48ms. Allocated memory is still 130.0MB. Free memory was 69.5MB in the beginning and 100.0MB in the end (delta: -30.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * CodeCheck took 2075.19ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 100.0MB in the beginning and 85.4MB in the end (delta: 14.5MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Witness Printer took 43.56ms. Allocated memory is still 161.5MB. Free memory was 85.4MB in the beginning and 83.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 23:54:31,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1e3bb1-8ea7-4905-b16d-8284f712d910/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)