./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_a47db648-2ea5-4079-8410-8176fc6977a1/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47db648-2ea5-4079-8410-8176fc6977a1/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_a47db648-2ea5-4079-8410-8176fc6977a1/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47db648-2ea5-4079-8410-8176fc6977a1/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47db648-2ea5-4079-8410-8176fc6977a1/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_a47db648-2ea5-4079-8410-8176fc6977a1/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 d0878af360c86b536b5b3bc8d222f1c5ce26337b4ad6227d126c258cfe065cc9 --- 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 03:25:01,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:25:01,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:25:01,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:25:01,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:25:01,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:25:01,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:25:01,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:25:01,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:25:01,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:25:01,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:25:01,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:25:01,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:25:01,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:25:01,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:25:01,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:25:01,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:25:01,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:25:01,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:25:01,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:25:01,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:25:01,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:25:01,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:25:01,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:25:01,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:25:01,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:25:01,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:25:01,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:25:01,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:25:01,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:25:01,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:25:01,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:25:01,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:25:01,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:25:01,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:25:01,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:25:01,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:25:01,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:25:01,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:25:01,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:25:01,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:25:01,178 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47db648-2ea5-4079-8410-8176fc6977a1/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 03:25:01,196 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:25:01,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:25:01,197 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:25:01,198 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:25:01,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:25:01,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:25:01,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:25:01,199 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:25:01,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:25:01,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:25:01,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:25:01,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:25:01,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:25:01,200 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:25:01,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:25:01,200 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:25:01,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:25:01,200 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:25:01,201 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:25:01,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:25:01,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:25:01,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:25:01,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:25:01,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:25:01,202 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:25:01,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:25:01,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:25:01,202 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_a47db648-2ea5-4079-8410-8176fc6977a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47db648-2ea5-4079-8410-8176fc6977a1/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0878af360c86b536b5b3bc8d222f1c5ce26337b4ad6227d126c258cfe065cc9 [2022-12-15 03:25:01,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:25:01,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:25:01,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:25:01,424 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:25:01,425 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:25:01,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47db648-2ea5-4079-8410-8176fc6977a1/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca.i [2022-12-15 03:25:04,043 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:25:04,195 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:25:04,195 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47db648-2ea5-4079-8410-8176fc6977a1/sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca.i [2022-12-15 03:25:04,202 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47db648-2ea5-4079-8410-8176fc6977a1/bin/ukojak-rkRKPMF4O4/data/34b06bde0/b4ba1d9b0f1446bb97d7d67dd9f41c0b/FLAG63b0c64b9 [2022-12-15 03:25:04,213 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47db648-2ea5-4079-8410-8176fc6977a1/bin/ukojak-rkRKPMF4O4/data/34b06bde0/b4ba1d9b0f1446bb97d7d67dd9f41c0b [2022-12-15 03:25:04,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:25:04,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:25:04,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:25:04,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:25:04,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:25:04,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:25:04" (1/1) ... [2022-12-15 03:25:04,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d162b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:25:04, skipping insertion in model container [2022-12-15 03:25:04,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:25:04" (1/1) ... [2022-12-15 03:25:04,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:25:04,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:25:04,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:25:04,428 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:25:04,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:25:04,468 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:25:04,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:25:04 WrapperNode [2022-12-15 03:25:04,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:25:04,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:25:04,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:25:04,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:25:04,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:25:04" (1/1) ... [2022-12-15 03:25:04,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:25:04" (1/1) ... [2022-12-15 03:25:04,496 INFO L138 Inliner]: procedures = 110, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 80 [2022-12-15 03:25:04,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:25:04,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:25:04,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:25:04,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:25:04,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:25:04" (1/1) ... [2022-12-15 03:25:04,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:25:04" (1/1) ... [2022-12-15 03:25:04,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:25:04" (1/1) ... [2022-12-15 03:25:04,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:25:04" (1/1) ... [2022-12-15 03:25:04,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:25:04" (1/1) ... [2022-12-15 03:25:04,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:25:04" (1/1) ... [2022-12-15 03:25:04,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:25:04" (1/1) ... [2022-12-15 03:25:04,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:25:04" (1/1) ... [2022-12-15 03:25:04,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:25:04,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:25:04,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:25:04,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:25:04,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:25:04" (1/1) ... [2022-12-15 03:25:04,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:25:04,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47db648-2ea5-4079-8410-8176fc6977a1/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:25:04,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47db648-2ea5-4079-8410-8176fc6977a1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:25:04,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47db648-2ea5-4079-8410-8176fc6977a1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:25:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 03:25:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 03:25:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:25:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:25:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:25:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:25:04,641 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:25:04,643 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:25:04,744 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:25:04,782 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:25:04,783 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:25:04,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:25:04 BoogieIcfgContainer [2022-12-15 03:25:04,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:25:04,785 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:25:04,785 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:25:04,793 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:25:04,794 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:25:04" (1/1) ... [2022-12-15 03:25:04,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:25:04,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:25:04,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-12-15 03:25:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-12-15 03:25:04,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 03:25:04,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:25:04,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:25:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:25:05,146 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 03:25:05,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:25:05,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-12-15 03:25:05,190 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-12-15 03:25:05,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 03:25:05,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:25:05,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:25:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:25:05,353 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 03:25:05,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:25:05,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-12-15 03:25:05,448 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-12-15 03:25:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:25:05,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:25:05,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:25:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:25:05,595 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 03:25:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:25:05,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-12-15 03:25:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-12-15 03:25:05,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:25:05,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:25:05,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:25:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:25:05,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 03:25:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:25:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:25:05,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 03:25:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:25:05,808 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-12-15 03:25:05,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:25:05 ImpRootNode [2022-12-15 03:25:05,830 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:25:05,830 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:25:05,830 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:25:05,830 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:25:05,831 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:25:04" (3/4) ... [2022-12-15 03:25:05,832 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 03:25:05,857 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47db648-2ea5-4079-8410-8176fc6977a1/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:25:05,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:25:05,858 INFO L158 Benchmark]: Toolchain (without parser) took 1642.12ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 124.7MB in the beginning and 102.5MB in the end (delta: 22.1MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2022-12-15 03:25:05,858 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:25:05,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.62ms. Allocated memory is still 163.6MB. Free memory was 124.1MB in the beginning and 109.0MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 03:25:05,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.55ms. Allocated memory is still 163.6MB. Free memory was 109.0MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:25:05,859 INFO L158 Benchmark]: Boogie Preprocessor took 15.38ms. Allocated memory is still 163.6MB. Free memory was 106.9MB in the beginning and 105.9MB in the end (delta: 980.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:25:05,859 INFO L158 Benchmark]: RCFGBuilder took 272.37ms. Allocated memory is still 163.6MB. Free memory was 105.9MB in the beginning and 91.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 03:25:05,860 INFO L158 Benchmark]: CodeCheck took 1044.62ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 91.3MB in the beginning and 104.6MB in the end (delta: -13.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-12-15 03:25:05,860 INFO L158 Benchmark]: Witness Printer took 27.02ms. Allocated memory is still 197.1MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:25:05,862 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, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 2 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 557]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* id = __builtin_alloca (sizeof(int)); [L549] int* maxId = __builtin_alloca (sizeof(int)); [L550] *id = __VERIFIER_nondet_int() [L551] *maxId = __VERIFIER_nondet_int() [L552] EXPR \read(*id) [L552] 0 <= *id && *id < *maxId [L552] EXPR \read(*id) [L552] EXPR \read(*maxId) [L552] 0 <= *id && *id < *maxId VAL [0 <= *id && *id < *maxId=1, \read(*id)=2147483646, \read(*id)=2147483646, \read(*maxId)=2147483647, __builtin_alloca (sizeof(int))={1326:0}, __builtin_alloca (sizeof(int))={1327:0}, id={1327:0}, maxId={1326:0}] [L552] COND TRUE 0 <= *id && *id < *maxId [L553] int* tmp = __builtin_alloca (sizeof(int)); [L554] EXPR \read(*id) VAL [\read(*id)=2147483646, __builtin_alloca (sizeof(int))={1326:0}, __builtin_alloca (sizeof(int))={1327:0}, __builtin_alloca (sizeof(int))={1325:0}, id={1327:0}, maxId={1326:0}, tmp={1325:0}] [L554] EXPR *id + 1 [L554] *tmp = *id + 1 [L555] EXPR \read(*tmp) [L555] EXPR \read(*id) [L555] *tmp != *id && __VERIFIER_nondet_int() [L555] *tmp != *id && __VERIFIER_nondet_int() VAL [*tmp != *id && __VERIFIER_nondet_int()=1, \read(*id)=2147483646, \read(*tmp)=2147483647, __builtin_alloca (sizeof(int))={1326:0}, __builtin_alloca (sizeof(int))={1327:0}, __builtin_alloca (sizeof(int))={1325:0}, __VERIFIER_nondet_int()=-1, id={1327:0}, maxId={1326:0}, tmp={1325:0}] [L555] COND TRUE *tmp != *id && __VERIFIER_nondet_int() [L556] EXPR \read(*tmp) [L556] EXPR \read(*maxId) VAL [\read(*maxId)=2147483647, \read(*tmp)=2147483647, __builtin_alloca (sizeof(int))={1326:0}, __builtin_alloca (sizeof(int))={1327:0}, __builtin_alloca (sizeof(int))={1325:0}, id={1327:0}, maxId={1326:0}, tmp={1325:0}] [L556] COND TRUE *tmp <= *maxId [L557] EXPR \read(*tmp) VAL [\read(*tmp)=2147483647, __builtin_alloca (sizeof(int))={1326:0}, __builtin_alloca (sizeof(int))={1327:0}, __builtin_alloca (sizeof(int))={1325:0}, id={1327:0}, maxId={1326:0}, tmp={1325:0}] [L557] *tmp + 1 VAL [\read(*tmp)=2147483647, __builtin_alloca (sizeof(int))={1326:0}, __builtin_alloca (sizeof(int))={1327:0}, __builtin_alloca (sizeof(int))={1325:0}, id={1327:0}, maxId={1326:0}, tmp={1325:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.62ms. Allocated memory is still 163.6MB. Free memory was 124.1MB in the beginning and 109.0MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.55ms. Allocated memory is still 163.6MB. Free memory was 109.0MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.38ms. Allocated memory is still 163.6MB. Free memory was 106.9MB in the beginning and 105.9MB in the end (delta: 980.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 272.37ms. Allocated memory is still 163.6MB. Free memory was 105.9MB in the beginning and 91.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1044.62ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 91.3MB in the beginning and 104.6MB in the end (delta: -13.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Witness Printer took 27.02ms. Allocated memory is still 197.1MB. Free memory was 104.6MB in the beginning and 102.5MB 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! [2022-12-15 03:25:05,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47db648-2ea5-4079-8410-8176fc6977a1/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)