./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG --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 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 ........................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:57:33,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:57:33,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:57:33,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:57:33,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:57:33,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:57:33,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:57:33,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:57:33,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:57:33,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:57:33,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:57:33,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:57:33,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:57:33,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:57:33,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:57:33,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:57:33,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:57:33,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:57:33,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:57:33,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:57:33,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:57:33,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:57:33,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:57:33,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:57:33,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:57:33,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:57:33,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:57:33,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:57:33,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:57:33,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:57:33,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:57:33,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:57:33,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:57:33,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:57:33,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:57:33,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:57:33,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:57:33,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:57:33,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:57:33,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:57:33,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:57:33,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-10-29 04:57:33,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:57:33,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:57:33,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:57:33,371 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:57:33,371 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:57:33,371 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:57:33,372 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:57:33,372 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:57:33,372 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:57:33,372 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:57:33,374 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:57:33,374 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:57:33,375 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:57:33,375 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:57:33,375 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:57:33,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:57:33,376 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:57:33,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:57:33,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:57:33,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:57:33,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:57:33,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:57:33,378 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 04:57:33,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:57:33,379 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:57:33,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:57:33,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:57:33,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:57:33,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:57:33,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:57:33,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:57:33,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:57:33,384 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:57:33,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:57:33,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:57:33,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:57:33,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:57:33,386 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_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 [2021-10-29 04:57:33,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:57:33,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:57:33,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:57:33,766 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:57:33,767 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:57:33,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2021-10-29 04:57:33,858 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/data/498dc3d5e/d7ea91f0b0514e1286e68062b0f6475b/FLAG08d6cd42a [2021-10-29 04:57:34,459 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:57:34,460 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2021-10-29 04:57:34,474 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/data/498dc3d5e/d7ea91f0b0514e1286e68062b0f6475b/FLAG08d6cd42a [2021-10-29 04:57:34,795 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/data/498dc3d5e/d7ea91f0b0514e1286e68062b0f6475b [2021-10-29 04:57:34,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:57:34,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:57:34,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:57:34,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:57:34,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:57:34,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:57:34" (1/1) ... [2021-10-29 04:57:34,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5712b80b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:34, skipping insertion in model container [2021-10-29 04:57:34,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:57:34" (1/1) ... [2021-10-29 04:57:34,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:57:34,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:57:35,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:57:35,088 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:57:35,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:57:35,124 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:57:35,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:35 WrapperNode [2021-10-29 04:57:35,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:57:35,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:57:35,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:57:35,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:57:35,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:35" (1/1) ... [2021-10-29 04:57:35,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:35" (1/1) ... [2021-10-29 04:57:35,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:57:35,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:57:35,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:57:35,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:57:35,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:35" (1/1) ... [2021-10-29 04:57:35,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:35" (1/1) ... [2021-10-29 04:57:35,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:35" (1/1) ... [2021-10-29 04:57:35,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:35" (1/1) ... [2021-10-29 04:57:35,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:35" (1/1) ... [2021-10-29 04:57:35,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:35" (1/1) ... [2021-10-29 04:57:35,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:35" (1/1) ... [2021-10-29 04:57:35,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:57:35,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:57:35,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:57:35,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:57:35,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:35" (1/1) ... [2021-10-29 04:57:35,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:57:35,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:57:35,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:57:35,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:57:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:57:35,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:57:35,500 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:57:35,500 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:57:35,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:57:35 BoogieIcfgContainer [2021-10-29 04:57:35,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:57:35,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:57:35,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:57:35,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:57:35,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:57:34" (1/3) ... [2021-10-29 04:57:35,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5fda0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:57:35, skipping insertion in model container [2021-10-29 04:57:35,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:35" (2/3) ... [2021-10-29 04:57:35,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5fda0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:57:35, skipping insertion in model container [2021-10-29 04:57:35,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:57:35" (3/3) ... [2021-10-29 04:57:35,518 INFO L111 eAbstractionObserver]: Analyzing ICFG Cairo_step2-3.c [2021-10-29 04:57:35,525 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:57:35,526 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-29 04:57:35,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5fda0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:57:35, skipping insertion in model container [2021-10-29 04:57:35,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:57:35,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:57:35,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:57:35,530 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:57:35,531 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:57:35" (3/3) ... [2021-10-29 04:57:35,535 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:57:35,549 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:57:35,550 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:57:35,550 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:57:35,605 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 04:57:35,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:57:35,608 INFO L168 Benchmark]: Toolchain (without parser) took 804.79 ms. Allocated memory is still 92.3 MB. Free memory was 58.9 MB in the beginning and 56.5 MB in the end (delta: 2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:57:35,610 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 62.6 MB in the beginning and 62.6 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:57:35,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.12 ms. Allocated memory is still 92.3 MB. Free memory was 58.7 MB in the beginning and 70.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:57:35,618 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.40 ms. Allocated memory is still 92.3 MB. Free memory was 70.1 MB in the beginning and 68.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:57:35,619 INFO L168 Benchmark]: Boogie Preprocessor took 21.30 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 68.1 MB in the end (delta: 761.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:57:35,620 INFO L168 Benchmark]: RCFGBuilder took 321.00 ms. Allocated memory is still 92.3 MB. Free memory was 67.8 MB in the beginning and 60.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:57:35,620 INFO L168 Benchmark]: TraceAbstraction took 21.26 ms. Allocated memory is still 92.3 MB. Free memory was 59.4 MB in the beginning and 58.6 MB in the end (delta: 769.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:57:35,621 INFO L168 Benchmark]: Witness Printer took 76.03 ms. Allocated memory is still 92.3 MB. Free memory was 58.6 MB in the beginning and 56.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:57:35,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 62.6 MB in the beginning and 62.6 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 321.12 ms. Allocated memory is still 92.3 MB. Free memory was 58.7 MB in the beginning and 70.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.40 ms. Allocated memory is still 92.3 MB. Free memory was 70.1 MB in the beginning and 68.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.30 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 68.1 MB in the end (delta: 761.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 321.00 ms. Allocated memory is still 92.3 MB. Free memory was 67.8 MB in the beginning and 60.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21.26 ms. Allocated memory is still 92.3 MB. Free memory was 59.4 MB in the beginning and 58.6 MB in the end (delta: 769.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 76.03 ms. Allocated memory is still 92.3 MB. Free memory was 58.6 MB in the beginning and 56.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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! [2021-10-29 04:57:35,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9b75ae-17eb-4c06-a5df-80603102cb16/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...