./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 --- 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-8393723 [2022-11-18 21:00:39,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:00:39,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:00:39,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:00:39,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:00:39,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:00:39,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:00:39,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:00:39,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:00:39,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:00:39,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:00:39,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:00:39,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:00:39,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:00:39,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:00:39,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:00:39,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:00:39,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:00:39,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:00:39,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:00:39,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:00:39,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:00:39,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:00:39,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:00:39,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:00:39,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:00:39,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:00:39,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:00:39,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:00:39,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:00:39,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:00:39,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:00:39,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:00:39,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:00:39,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:00:39,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:00:39,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:00:39,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:00:39,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:00:39,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:00:39,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:00:39,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 21:00:39,465 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:00:39,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:00:39,468 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:00:39,468 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:00:39,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:00:39,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:00:39,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:00:39,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:00:39,470 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:00:39,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:00:39,472 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 21:00:39,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:00:39,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:00:39,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:00:39,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:00:39,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:00:39,473 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 21:00:39,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:00:39,473 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:00:39,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:00:39,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:00:39,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:00:39,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:00:39,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:00:39,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:00:39,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:00:39,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:00:39,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:00:39,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:00:39,477 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:00:39,478 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:00:39,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:00:39,478 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_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 [2022-11-18 21:00:39,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:00:39,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:00:39,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:00:39,778 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:00:39,779 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:00:39,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2022-11-18 21:00:39,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/data/9bd954b1f/949809b4057e4ef78d1e53a85e5b0aff/FLAGec7267c2b [2022-11-18 21:00:40,361 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:00:40,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2022-11-18 21:00:40,367 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/data/9bd954b1f/949809b4057e4ef78d1e53a85e5b0aff/FLAGec7267c2b [2022-11-18 21:00:40,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/data/9bd954b1f/949809b4057e4ef78d1e53a85e5b0aff [2022-11-18 21:00:40,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:00:40,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:00:40,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:00:40,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:00:40,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:00:40,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:00:40" (1/1) ... [2022-11-18 21:00:40,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149e3fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:40, skipping insertion in model container [2022-11-18 21:00:40,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:00:40" (1/1) ... [2022-11-18 21:00:40,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:00:40,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:00:40,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:00:40,919 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:00:40,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:00:40,958 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:00:40,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:40 WrapperNode [2022-11-18 21:00:40,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:00:40,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:00:40,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:00:40,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:00:40,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:40" (1/1) ... [2022-11-18 21:00:40,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:40" (1/1) ... [2022-11-18 21:00:40,991 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2022-11-18 21:00:40,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:00:40,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:00:40,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:00:40,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:00:41,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:40" (1/1) ... [2022-11-18 21:00:41,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:40" (1/1) ... [2022-11-18 21:00:41,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:40" (1/1) ... [2022-11-18 21:00:41,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:40" (1/1) ... [2022-11-18 21:00:41,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:40" (1/1) ... [2022-11-18 21:00:41,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:40" (1/1) ... [2022-11-18 21:00:41,020 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:40" (1/1) ... [2022-11-18 21:00:41,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:40" (1/1) ... [2022-11-18 21:00:41,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:00:41,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:00:41,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:00:41,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:00:41,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:40" (1/1) ... [2022-11-18 21:00:41,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:00:41,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:41,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:41,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:00:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:00:41,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:00:41,206 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:00:41,208 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:00:41,271 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:00:41,277 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:00:41,278 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 21:00:41,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:00:41 BoogieIcfgContainer [2022-11-18 21:00:41,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:00:41,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:00:41,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:00:41,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:00:41,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:00:40" (1/3) ... [2022-11-18 21:00:41,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eefe288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:00:41, skipping insertion in model container [2022-11-18 21:00:41,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:40" (2/3) ... [2022-11-18 21:00:41,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eefe288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:00:41, skipping insertion in model container [2022-11-18 21:00:41,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:00:41" (3/3) ... [2022-11-18 21:00:41,289 INFO L112 eAbstractionObserver]: Analyzing ICFG Cairo_step2-3.c [2022-11-18 21:00:41,305 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:00:41,305 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-18 21:00:41,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eefe288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:00:41, skipping insertion in model container [2022-11-18 21:00:41,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 21:00:41,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:00:41,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:00:41,307 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:00:41,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:00:41" (3/3) ... [2022-11-18 21:00:41,311 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 21:00:41,320 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-18 21:00:41,321 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 21:00:41,321 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 21:00:41,353 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 21:00:41,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:00:41,355 INFO L158 Benchmark]: Toolchain (without parser) took 618.41ms. Allocated memory is still 148.9MB. Free memory was 113.1MB in the beginning and 110.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:00:41,355 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 148.9MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:00:41,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.72ms. Allocated memory is still 148.9MB. Free memory was 112.8MB in the beginning and 126.4MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 21:00:41,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.99ms. Allocated memory is still 148.9MB. Free memory was 126.4MB in the beginning and 125.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:00:41,358 INFO L158 Benchmark]: Boogie Preprocessor took 29.58ms. Allocated memory is still 148.9MB. Free memory was 125.1MB in the beginning and 123.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:00:41,359 INFO L158 Benchmark]: RCFGBuilder took 256.36ms. Allocated memory is still 148.9MB. Free memory was 123.6MB in the beginning and 115.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 21:00:41,360 INFO L158 Benchmark]: TraceAbstraction took 24.27ms. Allocated memory is still 148.9MB. Free memory was 114.6MB in the beginning and 112.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:00:41,361 INFO L158 Benchmark]: Witness Printer took 46.03ms. Allocated memory is still 148.9MB. Free memory was 112.4MB in the beginning and 110.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:00:41,366 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 148.9MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.72ms. Allocated memory is still 148.9MB. Free memory was 112.8MB in the beginning and 126.4MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.99ms. Allocated memory is still 148.9MB. Free memory was 126.4MB in the beginning and 125.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.58ms. Allocated memory is still 148.9MB. Free memory was 125.1MB in the beginning and 123.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 256.36ms. Allocated memory is still 148.9MB. Free memory was 123.6MB in the beginning and 115.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 24.27ms. Allocated memory is still 148.9MB. Free memory was 114.6MB in the beginning and 112.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 46.03ms. Allocated memory is still 148.9MB. Free memory was 112.4MB in the beginning and 110.4MB in the end (delta: 2.0MB). 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 specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-18 21:00:41,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafb84a8-09e0-44cb-87c1-5fa374054464/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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