./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB --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 c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 --- 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-dbf71c6-m [2022-10-17 16:50:41,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:41,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:41,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:41,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:41,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:41,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:41,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:41,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:41,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:41,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:41,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:41,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:41,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:41,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:41,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:41,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:41,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:41,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:41,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:42,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:42,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:42,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:42,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:42,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:42,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:42,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:42,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:42,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:42,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:42,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:42,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:42,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:42,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:42,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:42,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:42,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:42,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:42,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:42,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:42,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:42,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:50:42,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:42,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:42,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:42,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:42,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:42,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:42,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:42,061 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:50:42,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:42,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:42,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:42,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:42,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:42,062 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:50:42,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:42,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:42,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:42,063 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:42,063 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:42,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:42,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:42,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:42,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:42,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:42,065 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:42,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:42,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:42,065 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_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 [2022-10-17 16:50:42,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:42,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:42,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:42,410 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:42,411 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:42,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2022-10-17 16:50:42,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/data/4d378a751/d72e24f120534acb97692068f99f1971/FLAG01ab57edd [2022-10-17 16:50:42,970 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:42,971 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2022-10-17 16:50:42,979 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/data/4d378a751/d72e24f120534acb97692068f99f1971/FLAG01ab57edd [2022-10-17 16:50:43,360 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/data/4d378a751/d72e24f120534acb97692068f99f1971 [2022-10-17 16:50:43,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:43,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:43,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:43,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:43,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:43,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:43,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607f598a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:43, skipping insertion in model container [2022-10-17 16:50:43,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:43,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:43,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:43,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:43,651 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:43,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:43,679 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:43,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:43 WrapperNode [2022-10-17 16:50:43,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:43,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:43,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:43,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:43,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:43,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:43,713 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-10-17 16:50:43,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:43,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:43,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:43,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:43,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:43,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:43,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:43,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:43,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:43,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:43,733 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:43,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:43,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:43,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:43,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:43,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:43,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:43,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:43,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:43,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:43,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:43,917 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:43,919 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:44,021 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:44,080 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:44,083 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:50:44,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:44 BoogieIcfgContainer [2022-10-17 16:50:44,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:44,089 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:44,089 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:44,100 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:44,101 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:44" (1/1) ... [2022-10-17 16:50:44,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:44,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2022-10-17 16:50:44,172 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states and 3 transitions. [2022-10-17 16:50:44,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:50:44,174 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2022-10-17 16:50:44,181 INFO L754 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2022-10-17 16:50:44,191 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:50:44,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:50:44 ImpRootNode [2022-10-17 16:50:44,195 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:50:44,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:50:44,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:50:44,197 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:50:44,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:44" (3/4) ... [2022-10-17 16:50:44,201 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:50:44,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-10-17 16:50:44,210 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:50:44,210 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:50:44,246 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:50:44,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:50:44,248 INFO L158 Benchmark]: Toolchain (without parser) took 878.49ms. Allocated memory is still 98.6MB. Free memory was 60.0MB in the beginning and 52.3MB in the end (delta: 7.7MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2022-10-17 16:50:44,249 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:50:44,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.56ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 71.4MB in the end (delta: -11.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:50:44,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.80ms. Allocated memory is still 98.6MB. Free memory was 71.4MB in the beginning and 70.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:44,251 INFO L158 Benchmark]: Boogie Preprocessor took 20.74ms. Allocated memory is still 98.6MB. Free memory was 70.1MB in the beginning and 69.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:50:44,251 INFO L158 Benchmark]: RCFGBuilder took 350.95ms. Allocated memory is still 98.6MB. Free memory was 69.1MB in the beginning and 59.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:50:44,252 INFO L158 Benchmark]: CodeCheck took 106.83ms. Allocated memory is still 98.6MB. Free memory was 59.4MB in the beginning and 54.4MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:50:44,253 INFO L158 Benchmark]: Witness Printer took 50.62ms. Allocated memory is still 98.6MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:44,257 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, 3 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 specifiation because the program does not contain any specification. - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.56ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 71.4MB in the end (delta: -11.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.80ms. Allocated memory is still 98.6MB. Free memory was 71.4MB in the beginning and 70.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.74ms. Allocated memory is still 98.6MB. Free memory was 70.1MB in the beginning and 69.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 350.95ms. Allocated memory is still 98.6MB. Free memory was 69.1MB in the beginning and 59.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 106.83ms. Allocated memory is still 98.6MB. Free memory was 59.4MB in the beginning and 54.4MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 50.62ms. Allocated memory is still 98.6MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:50:44,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81a17e4-4685-4d17-a095-f76d3160f5f7/bin/ukojak-92XMlrwhuB/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