./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8 --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 c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:05:05,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:05:05,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:05:05,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:05:05,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:05:05,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:05:05,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:05:05,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:05:05,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:05:05,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:05:05,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:05:05,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:05:05,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:05:05,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:05:05,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:05:05,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:05:05,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:05:05,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:05:05,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:05:05,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:05:05,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:05:05,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:05:05,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:05:05,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:05:05,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:05:05,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:05:05,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:05:05,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:05:05,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:05:05,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:05:05,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:05:05,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:05:05,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:05:05,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:05:05,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:05:05,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:05:05,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:05:05,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:05:05,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:05:05,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:05:05,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:05:05,575 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 15:05:05,590 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:05:05,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:05:05,590 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:05:05,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:05:05,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:05:05,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:05:05,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:05:05,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:05:05,596 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:05:05,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:05:05,596 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:05:05,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:05:05,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:05:05,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:05:05,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:05:05,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:05:05,597 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:05:05,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:05:05,597 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:05:05,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:05:05,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:05:05,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:05:05,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:05:05,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:05:05,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:05:05,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:05:05,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:05:05,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:05:05,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:05:05,598 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:05:05,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:05:05,599 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:05:05,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:05:05,599 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:05:05,599 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 [2022-12-13 15:05:05,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:05:05,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:05:05,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:05:05,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:05:05,803 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:05:05,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2022-12-13 15:05:08,413 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:05:08,544 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:05:08,545 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2022-12-13 15:05:08,549 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/data/ac0752225/d09d239172644c65a8db062f4473e8d3/FLAG232d915eb [2022-12-13 15:05:08,562 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/data/ac0752225/d09d239172644c65a8db062f4473e8d3 [2022-12-13 15:05:08,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:05:08,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:05:08,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:05:08,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:05:08,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:05:08,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:05:08" (1/1) ... [2022-12-13 15:05:08,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36650f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:08, skipping insertion in model container [2022-12-13 15:05:08,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:05:08" (1/1) ... [2022-12-13 15:05:08,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:05:08,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:05:08,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:05:08,695 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:05:08,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:05:08,713 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:05:08,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:08 WrapperNode [2022-12-13 15:05:08,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:05:08,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:05:08,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:05:08,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:05:08,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:08" (1/1) ... [2022-12-13 15:05:08,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:08" (1/1) ... [2022-12-13 15:05:08,736 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-12-13 15:05:08,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:05:08,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:05:08,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:05:08,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:05:08,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:08" (1/1) ... [2022-12-13 15:05:08,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:08" (1/1) ... [2022-12-13 15:05:08,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:08" (1/1) ... [2022-12-13 15:05:08,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:08" (1/1) ... [2022-12-13 15:05:08,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:08" (1/1) ... [2022-12-13 15:05:08,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:08" (1/1) ... [2022-12-13 15:05:08,748 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:08" (1/1) ... [2022-12-13 15:05:08,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:08" (1/1) ... [2022-12-13 15:05:08,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:05:08,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:05:08,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:05:08,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:05:08,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:08" (1/1) ... [2022-12-13 15:05:08,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:05:08,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:05:08,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:05:08,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:05:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:05:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:05:08,856 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:05:08,858 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:05:08,898 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:05:08,903 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:05:08,903 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 15:05:08,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:05:08 BoogieIcfgContainer [2022-12-13 15:05:08,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:05:08,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:05:08,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:05:08,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:05:08,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:05:08" (1/3) ... [2022-12-13 15:05:08,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33164a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:05:08, skipping insertion in model container [2022-12-13 15:05:08,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:08" (2/3) ... [2022-12-13 15:05:08,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33164a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:05:08, skipping insertion in model container [2022-12-13 15:05:08,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:05:08" (3/3) ... [2022-12-13 15:05:08,912 INFO L112 eAbstractionObserver]: Analyzing ICFG ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2022-12-13 15:05:08,927 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:05:08,927 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-12-13 15:05:08,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33164a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:05:08, skipping insertion in model container [2022-12-13 15:05:08,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:05:08,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:05:08,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:05:08,930 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:05:08,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:05:08" (3/3) ... [2022-12-13 15:05:08,933 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:05:08,940 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 15:05:08,941 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 15:05:08,941 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:05:08,964 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:05:08,965 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:05:08,966 INFO L158 Benchmark]: Toolchain (without parser) took 400.64ms. Allocated memory is still 140.5MB. Free memory was 99.8MB in the beginning and 74.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 15:05:08,966 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:05:08,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.05ms. Allocated memory is still 140.5MB. Free memory was 99.8MB in the beginning and 90.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 15:05:08,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.60ms. Allocated memory is still 140.5MB. Free memory was 90.5MB in the beginning and 89.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:05:08,968 INFO L158 Benchmark]: Boogie Preprocessor took 13.06ms. Allocated memory is still 140.5MB. Free memory was 89.4MB in the beginning and 88.4MB in the end (delta: 967.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:05:08,968 INFO L158 Benchmark]: RCFGBuilder took 155.35ms. Allocated memory is still 140.5MB. Free memory was 88.4MB in the beginning and 79.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 15:05:08,969 INFO L158 Benchmark]: TraceAbstraction took 21.77ms. Allocated memory is still 140.5MB. Free memory was 78.9MB in the beginning and 77.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:05:08,969 INFO L158 Benchmark]: Witness Printer took 35.52ms. Allocated memory is still 140.5MB. Free memory was 77.2MB in the beginning and 74.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:05:08,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 148.05ms. Allocated memory is still 140.5MB. Free memory was 99.8MB in the beginning and 90.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.60ms. Allocated memory is still 140.5MB. Free memory was 90.5MB in the beginning and 89.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.06ms. Allocated memory is still 140.5MB. Free memory was 89.4MB in the beginning and 88.4MB in the end (delta: 967.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 155.35ms. Allocated memory is still 140.5MB. Free memory was 88.4MB in the beginning and 79.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 21.77ms. Allocated memory is still 140.5MB. Free memory was 78.9MB in the beginning and 77.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 35.52ms. Allocated memory is still 140.5MB. Free memory was 77.2MB in the beginning and 74.7MB 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 specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-12-13 15:05:08,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5c646e-ef89-46ff-ad10-f9c6a3d4fb6c/bin/uautomizer-uyxdKDjOR8/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