./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/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_460fd541-be56-454e-8022-433f754e4ca7/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/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_460fd541-be56-454e-8022-433f754e4ca7/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 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:08:23,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:08:23,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:08:23,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:08:23,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:08:23,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:08:23,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:08:23,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:08:23,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:08:23,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:08:23,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:08:23,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:08:23,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:08:23,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:08:23,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:08:23,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:08:23,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:08:23,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:08:23,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:08:23,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:08:23,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:08:23,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:08:23,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:08:23,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:08:23,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:08:23,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:08:23,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:08:23,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:08:23,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:08:23,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:08:23,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:08:23,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:08:23,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:08:23,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:08:23,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:08:23,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:08:23,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:08:23,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:08:23,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:08:23,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:08:23,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:08:23,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-25 18:08:23,476 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:08:23,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:08:23,477 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:08:23,477 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:08:23,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:08:23,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:08:23,479 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:08:23,479 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:08:23,479 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:08:23,480 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:08:23,481 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:08:23,481 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:08:23,481 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:08:23,482 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:08:23,482 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:08:23,482 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:08:23,482 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:08:23,483 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:08:23,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:08:23,484 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:08:23,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:08:23,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:08:23,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:08:23,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:08:23,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:08:23,486 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 18:08:23,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:08:23,487 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:08:23,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:08:23,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:08:23,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:08:23,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:08:23,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:08:23,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:08:23,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:08:23,489 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:08:23,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:08:23,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:08:23,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:08:23,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:08:23,490 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_460fd541-be56-454e-8022-433f754e4ca7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 [2021-11-25 18:08:23,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:08:23,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:08:23,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:08:23,779 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:08:23,780 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:08:23,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2021-11-25 18:08:23,837 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/bin/utaipan-eEHZpOm5b7/data/5600db106/73b04e097b3a40e18ad65ad1bf632b55/FLAG468ede7f0 [2021-11-25 18:08:24,287 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:08:24,287 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2021-11-25 18:08:24,293 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/bin/utaipan-eEHZpOm5b7/data/5600db106/73b04e097b3a40e18ad65ad1bf632b55/FLAG468ede7f0 [2021-11-25 18:08:24,667 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/bin/utaipan-eEHZpOm5b7/data/5600db106/73b04e097b3a40e18ad65ad1bf632b55 [2021-11-25 18:08:24,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:08:24,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:08:24,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:08:24,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:08:24,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:08:24,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:08:24" (1/1) ... [2021-11-25 18:08:24,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6695849b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:24, skipping insertion in model container [2021-11-25 18:08:24,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:08:24" (1/1) ... [2021-11-25 18:08:24,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:08:24,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:08:24,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:08:24,920 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:08:24,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:08:24,945 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:08:24,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:24 WrapperNode [2021-11-25 18:08:24,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:08:24,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:08:24,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:08:24,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:08:24,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:24" (1/1) ... [2021-11-25 18:08:24,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:24" (1/1) ... [2021-11-25 18:08:24,977 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2021-11-25 18:08:24,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:08:24,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:08:24,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:08:24,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:08:24,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:24" (1/1) ... [2021-11-25 18:08:24,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:24" (1/1) ... [2021-11-25 18:08:24,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:24" (1/1) ... [2021-11-25 18:08:24,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:24" (1/1) ... [2021-11-25 18:08:24,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:24" (1/1) ... [2021-11-25 18:08:24,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:24" (1/1) ... [2021-11-25 18:08:24,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:24" (1/1) ... [2021-11-25 18:08:24,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:08:24,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:08:25,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:08:25,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:08:25,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:24" (1/1) ... [2021-11-25 18:08:25,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:08:25,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:08:25,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:08:25,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:08:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:08:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:08:25,142 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:08:25,144 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:08:25,220 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:08:25,238 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:08:25,239 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 18:08:25,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:08:25 BoogieIcfgContainer [2021-11-25 18:08:25,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:08:25,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:08:25,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:08:25,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:08:25,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:08:24" (1/3) ... [2021-11-25 18:08:25,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5b9cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:08:25, skipping insertion in model container [2021-11-25 18:08:25,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:24" (2/3) ... [2021-11-25 18:08:25,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5b9cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:08:25, skipping insertion in model container [2021-11-25 18:08:25,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:08:25" (3/3) ... [2021-11-25 18:08:25,253 INFO L111 eAbstractionObserver]: Analyzing ICFG Cairo_step2-3.c [2021-11-25 18:08:25,261 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:08:25,261 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-25 18:08:25,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5b9cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:08:25, skipping insertion in model container [2021-11-25 18:08:25,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:08:25,265 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:08:25,265 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:08:25,265 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:08:25,265 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:08:25" (3/3) ... [2021-11-25 18:08:25,268 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 18:08:25,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-25 18:08:25,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 18:08:25,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 18:08:25,322 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 18:08:25,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:08:25,324 INFO L158 Benchmark]: Toolchain (without parser) took 652.84ms. Allocated memory is still 111.1MB. Free memory was 72.3MB in the beginning and 74.0MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:08:25,325 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory was 88.2MB in the beginning and 88.2MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:08:25,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.39ms. Allocated memory is still 111.1MB. Free memory was 72.0MB in the beginning and 87.9MB in the end (delta: -15.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 18:08:25,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.65ms. Allocated memory is still 111.1MB. Free memory was 87.9MB in the beginning and 86.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:08:25,331 INFO L158 Benchmark]: Boogie Preprocessor took 19.31ms. Allocated memory is still 111.1MB. Free memory was 86.7MB in the beginning and 86.0MB in the end (delta: 716.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:08:25,332 INFO L158 Benchmark]: RCFGBuilder took 243.53ms. Allocated memory is still 111.1MB. Free memory was 85.5MB in the beginning and 77.6MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 18:08:25,333 INFO L158 Benchmark]: TraceAbstraction took 18.66ms. Allocated memory is still 111.1MB. Free memory was 77.2MB in the beginning and 76.3MB in the end (delta: 886.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:08:25,333 INFO L158 Benchmark]: Witness Printer took 58.15ms. Allocated memory is still 111.1MB. Free memory was 76.3MB in the beginning and 74.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:08:25,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory was 88.2MB in the beginning and 88.2MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.39ms. Allocated memory is still 111.1MB. Free memory was 72.0MB in the beginning and 87.9MB in the end (delta: -15.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.65ms. Allocated memory is still 111.1MB. Free memory was 87.9MB in the beginning and 86.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.31ms. Allocated memory is still 111.1MB. Free memory was 86.7MB in the beginning and 86.0MB in the end (delta: 716.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 243.53ms. Allocated memory is still 111.1MB. Free memory was 85.5MB in the beginning and 77.6MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 18.66ms. Allocated memory is still 111.1MB. Free memory was 77.2MB in the beginning and 76.3MB in the end (delta: 886.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.15ms. Allocated memory is still 111.1MB. Free memory was 76.3MB in the beginning and 74.0MB in the end (delta: 2.2MB). 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 18:08:25,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_460fd541-be56-454e-8022-433f754e4ca7/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