./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:04:43,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:04:43,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:04:43,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:04:43,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:04:43,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:04:43,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:04:43,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:04:43,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:04:43,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:04:43,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:04:43,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:04:43,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:04:43,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:04:43,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:04:43,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:04:43,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:04:43,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:04:43,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:04:43,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:04:43,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:04:43,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:04:43,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:04:43,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:04:43,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:04:43,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:04:43,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:04:43,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:04:43,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:04:43,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:04:43,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:04:43,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:04:43,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:04:43,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:04:43,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:04:43,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:04:43,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:04:43,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:04:43,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:04:43,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:04:43,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:04:43,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-25 19:04:43,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:04:43,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:04:43,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:04:43,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:04:43,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:04:43,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:04:43,546 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:04:43,546 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:04:43,546 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:04:43,546 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:04:43,547 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:04:43,548 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:04:43,548 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:04:43,548 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:04:43,548 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:04:43,549 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:04:43,549 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:04:43,549 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:04:43,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:04:43,551 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:04:43,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:04:43,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:04:43,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:04:43,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:04:43,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:04:43,552 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 19:04:43,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:04:43,554 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:04:43,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:04:43,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:04:43,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:04:43,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:04:43,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:04:43,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:04:43,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:04:43,556 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:04:43,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:04:43,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:04:43,556 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:04:43,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:04:43,557 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 [2021-11-25 19:04:43,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:04:43,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:04:43,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:04:43,900 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:04:43,901 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:04:43,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-11-25 19:04:43,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/data/6cd172b0e/7f34fd33617a44f5bed54b05b4545f5b/FLAG3ef2c68bf [2021-11-25 19:04:44,399 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:04:44,400 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-11-25 19:04:44,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/data/6cd172b0e/7f34fd33617a44f5bed54b05b4545f5b/FLAG3ef2c68bf [2021-11-25 19:04:44,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/data/6cd172b0e/7f34fd33617a44f5bed54b05b4545f5b [2021-11-25 19:04:44,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:04:44,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:04:44,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:04:44,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:04:44,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:04:44,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:04:44" (1/1) ... [2021-11-25 19:04:44,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a476527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:44, skipping insertion in model container [2021-11-25 19:04:44,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:04:44" (1/1) ... [2021-11-25 19:04:44,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:04:44,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:04:45,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:04:45,024 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:04:45,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:04:45,050 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:04:45,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:45 WrapperNode [2021-11-25 19:04:45,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:04:45,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:04:45,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:04:45,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:04:45,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:45" (1/1) ... [2021-11-25 19:04:45,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:45" (1/1) ... [2021-11-25 19:04:45,081 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2021-11-25 19:04:45,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:04:45,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:04:45,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:04:45,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:04:45,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:45" (1/1) ... [2021-11-25 19:04:45,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:45" (1/1) ... [2021-11-25 19:04:45,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:45" (1/1) ... [2021-11-25 19:04:45,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:45" (1/1) ... [2021-11-25 19:04:45,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:45" (1/1) ... [2021-11-25 19:04:45,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:45" (1/1) ... [2021-11-25 19:04:45,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:45" (1/1) ... [2021-11-25 19:04:45,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:04:45,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:04:45,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:04:45,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:04:45,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:45" (1/1) ... [2021-11-25 19:04:45,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:04:45,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:04:45,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:04:45,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:04:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:04:45,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:04:45,308 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:04:45,313 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:04:45,408 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:04:45,442 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:04:45,442 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 19:04:45,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:04:45 BoogieIcfgContainer [2021-11-25 19:04:45,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:04:45,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:04:45,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:04:45,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:04:45,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:04:44" (1/3) ... [2021-11-25 19:04:45,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af4ad0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:04:45, skipping insertion in model container [2021-11-25 19:04:45,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:04:45" (2/3) ... [2021-11-25 19:04:45,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af4ad0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:04:45, skipping insertion in model container [2021-11-25 19:04:45,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:04:45" (3/3) ... [2021-11-25 19:04:45,456 INFO L111 eAbstractionObserver]: Analyzing ICFG ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-11-25 19:04:45,462 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:04:45,462 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-25 19:04:45,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af4ad0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:04:45, skipping insertion in model container [2021-11-25 19:04:45,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:04:45,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:04:45,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:04:45,465 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:04:45,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:04:45" (3/3) ... [2021-11-25 19:04:45,469 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 19:04:45,479 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-25 19:04:45,479 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-25 19:04:45,480 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 19:04:45,529 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 19:04:45,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:04:45,533 INFO L158 Benchmark]: Toolchain (without parser) took 711.88ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 62.7MB in the beginning and 99.2MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:04:45,535 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:04:45,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.24ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 53.8MB in the end (delta: 8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 19:04:45,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.33ms. Allocated memory is still 100.7MB. Free memory was 53.7MB in the beginning and 52.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:04:45,537 INFO L158 Benchmark]: Boogie Preprocessor took 74.72ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 52.4MB in the beginning and 113.1MB in the end (delta: -60.7MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2021-11-25 19:04:45,538 INFO L158 Benchmark]: RCFGBuilder took 286.42ms. Allocated memory is still 134.2MB. Free memory was 113.1MB in the beginning and 102.9MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 19:04:45,538 INFO L158 Benchmark]: TraceAbstraction took 17.60ms. Allocated memory is still 134.2MB. Free memory was 102.3MB in the beginning and 101.7MB in the end (delta: 552.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:04:45,540 INFO L158 Benchmark]: Witness Printer took 64.09ms. Allocated memory is still 134.2MB. Free memory was 101.7MB in the beginning and 99.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:04:45,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.24ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 53.8MB in the end (delta: 8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.33ms. Allocated memory is still 100.7MB. Free memory was 53.7MB in the beginning and 52.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.72ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 52.4MB in the beginning and 113.1MB in the end (delta: -60.7MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * RCFGBuilder took 286.42ms. Allocated memory is still 134.2MB. Free memory was 113.1MB in the beginning and 102.9MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 17.60ms. Allocated memory is still 134.2MB. Free memory was 102.3MB in the beginning and 101.7MB in the end (delta: 552.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 64.09ms. Allocated memory is still 134.2MB. Free memory was 101.7MB in the beginning and 99.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-11-25 19:04:45,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5191127-8900-4b80-863f-30654704df09/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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