./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/cstrpbrk_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/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_60129bca-991e-461d-bc2c-697153d83771/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/cstrpbrk_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/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_60129bca-991e-461d-bc2c-697153d83771/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 8edf581f64d166b4408dcbe4d1c200d90abc56f787561a55f3b270257b320de9 --- 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 23:36:45,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:36:45,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:36:45,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:36:45,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:36:45,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:36:45,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:36:45,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:36:45,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:36:45,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:36:45,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:36:45,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:36:45,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:36:45,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:36:45,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:36:45,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:36:45,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:36:45,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:36:45,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:36:45,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:36:45,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:36:45,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:36:45,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:36:45,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:36:45,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:36:45,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:36:45,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:36:45,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:36:45,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:36:45,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:36:45,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:36:45,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:36:45,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:36:45,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:36:45,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:36:45,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:36:45,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:36:45,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:36:45,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:36:45,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:36:45,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:36:45,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 23:36:45,096 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:36:45,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:36:45,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:36:45,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:36:45,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:36:45,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:36:45,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:36:45,098 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:36:45,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:36:45,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:36:45,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:36:45,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:36:45,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:36:45,099 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:36:45,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:36:45,099 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:36:45,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:36:45,100 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:36:45,100 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:36:45,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:36:45,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:36:45,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:36:45,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:36:45,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:36:45,101 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:36:45,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:36:45,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:36:45,102 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_60129bca-991e-461d-bc2c-697153d83771/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8edf581f64d166b4408dcbe4d1c200d90abc56f787561a55f3b270257b320de9 [2022-12-14 23:36:45,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:36:45,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:36:45,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:36:45,329 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:36:45,330 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:36:45,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-15/cstrpbrk_malloc.i [2022-12-14 23:36:48,005 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:36:48,198 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:36:48,199 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/sv-benchmarks/c/termination-15/cstrpbrk_malloc.i [2022-12-14 23:36:48,205 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/bin/ukojak-rkRKPMF4O4/data/dd31dafea/892117589c65486ea57ebd5de92f2887/FLAGb4387bf45 [2022-12-14 23:36:48,216 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/bin/ukojak-rkRKPMF4O4/data/dd31dafea/892117589c65486ea57ebd5de92f2887 [2022-12-14 23:36:48,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:36:48,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:36:48,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:36:48,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:36:48,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:36:48,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:36:48" (1/1) ... [2022-12-14 23:36:48,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c44dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:48, skipping insertion in model container [2022-12-14 23:36:48,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:36:48" (1/1) ... [2022-12-14 23:36:48,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:36:48,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:36:48,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:36:48,497 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:36:48,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:36:48,541 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:36:48,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:48 WrapperNode [2022-12-14 23:36:48,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:36:48,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:36:48,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:36:48,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:36:48,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:48" (1/1) ... [2022-12-14 23:36:48,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:48" (1/1) ... [2022-12-14 23:36:48,570 INFO L138 Inliner]: procedures = 152, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2022-12-14 23:36:48,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:36:48,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:36:48,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:36:48,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:36:48,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:48" (1/1) ... [2022-12-14 23:36:48,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:48" (1/1) ... [2022-12-14 23:36:48,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:48" (1/1) ... [2022-12-14 23:36:48,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:48" (1/1) ... [2022-12-14 23:36:48,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:48" (1/1) ... [2022-12-14 23:36:48,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:48" (1/1) ... [2022-12-14 23:36:48,586 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:48" (1/1) ... [2022-12-14 23:36:48,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:48" (1/1) ... [2022-12-14 23:36:48,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:36:48,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:36:48,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:36:48,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:36:48,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:48" (1/1) ... [2022-12-14 23:36:48,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:36:48,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:36:48,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:36:48,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:36:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:36:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:36:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 23:36:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:36:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:36:48,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:36:48,722 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:36:48,723 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:36:48,852 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:36:48,890 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:36:48,890 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 23:36:48,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:36:48 BoogieIcfgContainer [2022-12-14 23:36:48,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:36:48,893 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:36:48,893 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:36:48,900 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:36:48,901 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:36:48" (1/1) ... [2022-12-14 23:36:48,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:36:48,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:48,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-12-14 23:36:48,945 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-12-14 23:36:48,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 23:36:48,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:48,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:49,113 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 23:36:49,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:49,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-12-14 23:36:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-12-14 23:36:49,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 23:36:49,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:49,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:49,212 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 23:36:49,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:49,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2022-12-14 23:36:49,253 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-12-14 23:36:49,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 23:36:49,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:49,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:49,320 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 23:36:49,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:49,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2022-12-14 23:36:49,447 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-12-14 23:36:49,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 23:36:49,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:49,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:49,515 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 23:36:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-12-14 23:36:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-12-14 23:36:49,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:36:49,656 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-12-14 23:36:49,664 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 23:36:49,681 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:36:49,685 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:36:49,685 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:36:49,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:36:49 ImpRootNode [2022-12-14 23:36:49,686 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:36:49,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:36:49,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:36:49,687 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:36:49,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:36:48" (3/4) ... [2022-12-14 23:36:49,690 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:36:49,699 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-14 23:36:49,699 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 23:36:49,699 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 23:36:49,699 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:36:49,737 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:36:49,738 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:36:49,738 INFO L158 Benchmark]: Toolchain (without parser) took 1518.92ms. Allocated memory is still 199.2MB. Free memory was 163.4MB in the beginning and 143.5MB in the end (delta: 20.0MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2022-12-14 23:36:49,738 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:36:49,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.71ms. Allocated memory is still 199.2MB. Free memory was 163.3MB in the beginning and 145.9MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 23:36:49,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.90ms. Allocated memory is still 199.2MB. Free memory was 145.2MB in the beginning and 143.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:36:49,739 INFO L158 Benchmark]: Boogie Preprocessor took 17.17ms. Allocated memory is still 199.2MB. Free memory was 143.8MB in the beginning and 142.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:36:49,740 INFO L158 Benchmark]: RCFGBuilder took 304.20ms. Allocated memory is still 199.2MB. Free memory was 142.5MB in the beginning and 127.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 23:36:49,740 INFO L158 Benchmark]: CodeCheck took 792.87ms. Allocated memory is still 199.2MB. Free memory was 127.0MB in the beginning and 146.6MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:36:49,740 INFO L158 Benchmark]: Witness Printer took 51.29ms. Allocated memory is still 199.2MB. Free memory was 146.6MB in the beginning and 143.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 23:36:49,742 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, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 0 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - PositiveResult [Line: 390]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 390]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 391]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 391]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.71ms. Allocated memory is still 199.2MB. Free memory was 163.3MB in the beginning and 145.9MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.90ms. Allocated memory is still 199.2MB. Free memory was 145.2MB in the beginning and 143.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.17ms. Allocated memory is still 199.2MB. Free memory was 143.8MB in the beginning and 142.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.20ms. Allocated memory is still 199.2MB. Free memory was 142.5MB in the beginning and 127.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 792.87ms. Allocated memory is still 199.2MB. Free memory was 127.0MB in the beginning and 146.6MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 51.29ms. Allocated memory is still 199.2MB. Free memory was 146.6MB in the beginning and 143.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:36:49,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60129bca-991e-461d-bc2c-697153d83771/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 Result: TRUE