./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.04-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.04-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4bbbe04c9dba98aa5a077e0a60c500bf4a30aa0c3c4a719617c99453275c1ed3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 00:02:38,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:02:38,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:02:39,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:02:39,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:02:39,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:02:39,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:02:39,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:02:39,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:02:39,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:02:39,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:02:39,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:02:39,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:02:39,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:02:39,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:02:39,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:02:39,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:02:39,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:02:39,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:02:39,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:02:39,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:02:39,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:02:39,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:02:39,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:02:39,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:02:39,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:02:39,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:02:39,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:02:39,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:02:39,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:02:39,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:02:39,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:02:39,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:02:39,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:02:39,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:02:39,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:02:39,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:02:39,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:02:39,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:02:39,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:02:39,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:02:39,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-22 00:02:39,095 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:02:39,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:02:39,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:02:39,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-22 00:02:39,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 00:02:39,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 00:02:39,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:02:39,098 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:02:39,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:02:39,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:02:39,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:02:39,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:02:39,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:02:39,100 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:02:39,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:02:39,100 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:02:39,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:02:39,101 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-22 00:02:39,101 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-22 00:02:39,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:02:39,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:02:39,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:02:39,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:02:39,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:02:39,103 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-22 00:02:39,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:02:39,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:02:39,104 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_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bbbe04c9dba98aa5a077e0a60c500bf4a30aa0c3c4a719617c99453275c1ed3 [2022-11-22 00:02:39,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:02:39,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:02:39,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:02:39,430 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:02:39,431 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:02:39,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-memory-alloca/b.04-alloca.i [2022-11-22 00:02:42,547 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:02:42,806 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:02:42,807 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/sv-benchmarks/c/termination-memory-alloca/b.04-alloca.i [2022-11-22 00:02:42,820 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/data/5fe334e62/c2ac2de8e3674669acb7d9972291faa4/FLAG704c5ccac [2022-11-22 00:02:42,835 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/data/5fe334e62/c2ac2de8e3674669acb7d9972291faa4 [2022-11-22 00:02:42,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:02:42,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:02:42,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:02:42,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:02:42,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:02:42,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:02:42" (1/1) ... [2022-11-22 00:02:42,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4078d9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:42, skipping insertion in model container [2022-11-22 00:02:42,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:02:42" (1/1) ... [2022-11-22 00:02:42,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:02:42,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:02:43,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:02:43,347 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:02:43,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:02:43,436 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:02:43,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:43 WrapperNode [2022-11-22 00:02:43,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:02:43,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:02:43,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:02:43,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:02:43,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:43" (1/1) ... [2022-11-22 00:02:43,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:43" (1/1) ... [2022-11-22 00:02:43,496 INFO L138 Inliner]: procedures = 111, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2022-11-22 00:02:43,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:02:43,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:02:43,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:02:43,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:02:43,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:43" (1/1) ... [2022-11-22 00:02:43,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:43" (1/1) ... [2022-11-22 00:02:43,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:43" (1/1) ... [2022-11-22 00:02:43,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:43" (1/1) ... [2022-11-22 00:02:43,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:43" (1/1) ... [2022-11-22 00:02:43,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:43" (1/1) ... [2022-11-22 00:02:43,542 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:43" (1/1) ... [2022-11-22 00:02:43,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:43" (1/1) ... [2022-11-22 00:02:43,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:02:43,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:02:43,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:02:43,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:02:43,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:43" (1/1) ... [2022-11-22 00:02:43,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:02:43,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/z3 [2022-11-22 00:02:43,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-22 00:02:43,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-22 00:02:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:02:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:02:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:02:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:02:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:02:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:02:43,779 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:02:43,781 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:02:43,915 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:02:43,958 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:02:43,958 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 00:02:43,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:02:43 BoogieIcfgContainer [2022-11-22 00:02:43,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:02:43,971 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-22 00:02:43,971 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-22 00:02:43,983 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-22 00:02:43,983 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:02:43" (1/1) ... [2022-11-22 00:02:43,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:02:44,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:02:44,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2022-11-22 00:02:44,050 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2022-11-22 00:02:44,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 00:02:44,053 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2022-11-22 00:02:44,058 INFO L754 CodeCheckObserver]: All specifications hold We were not able to verify any specification because the program does not contain any specification. [2022-11-22 00:02:44,071 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:02:44,076 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:02:44,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 12:02:44 ImpRootNode [2022-11-22 00:02:44,076 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-22 00:02:44,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:02:44,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:02:44,078 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:02:44,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:02:43" (3/4) ... [2022-11-22 00:02:44,081 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:02:44,092 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-22 00:02:44,092 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-22 00:02:44,092 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 00:02:44,093 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:02:44,131 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-22 00:02:44,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:02:44,132 INFO L158 Benchmark]: Toolchain (without parser) took 1292.14ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 75.3MB in the beginning and 111.3MB in the end (delta: -36.1MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2022-11-22 00:02:44,132 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 138.4MB. Free memory is still 108.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:02:44,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.40ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 75.1MB in the beginning and 135.2MB in the end (delta: -60.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-11-22 00:02:44,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.61ms. Allocated memory is still 176.2MB. Free memory was 135.2MB in the beginning and 133.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:02:44,134 INFO L158 Benchmark]: Boogie Preprocessor took 52.10ms. Allocated memory is still 176.2MB. Free memory was 133.5MB in the beginning and 131.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:02:44,134 INFO L158 Benchmark]: RCFGBuilder took 414.72ms. Allocated memory is still 176.2MB. Free memory was 131.9MB in the beginning and 119.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 00:02:44,135 INFO L158 Benchmark]: CodeCheck took 105.77ms. Allocated memory is still 176.2MB. Free memory was 119.2MB in the beginning and 114.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-22 00:02:44,135 INFO L158 Benchmark]: Witness Printer took 53.89ms. Allocated memory is still 176.2MB. Free memory was 113.8MB in the beginning and 111.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:02:44,138 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, 5 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 138.4MB. Free memory is still 108.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.40ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 75.1MB in the beginning and 135.2MB in the end (delta: -60.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.61ms. Allocated memory is still 176.2MB. Free memory was 135.2MB in the beginning and 133.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.10ms. Allocated memory is still 176.2MB. Free memory was 133.5MB in the beginning and 131.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 414.72ms. Allocated memory is still 176.2MB. Free memory was 131.9MB in the beginning and 119.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 105.77ms. Allocated memory is still 176.2MB. Free memory was 119.2MB in the beginning and 114.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 53.89ms. Allocated memory is still 176.2MB. Free memory was 113.8MB in the beginning and 111.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-22 00:02:44,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06dadfd-ea65-43b9-9e4c-60fc72f39133/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE