./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/fermat3-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-nla/fermat3-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0 --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 32bit --witnessprinter.graph.data.programhash f1e0d46028fd28d9c1cbc056102895f065be9229080945a2c9ee558e687c7175 --- 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-e04fb08 [2022-11-16 15:52:56,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 15:52:56,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 15:52:56,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 15:52:56,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 15:52:56,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 15:52:56,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 15:52:56,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 15:52:56,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 15:52:56,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 15:52:56,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 15:52:56,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 15:52:56,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 15:52:56,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 15:52:56,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 15:52:56,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 15:52:56,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 15:52:56,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 15:52:56,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 15:52:56,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 15:52:56,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 15:52:56,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 15:52:56,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 15:52:56,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 15:52:56,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 15:52:56,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 15:52:56,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 15:52:56,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 15:52:56,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 15:52:56,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 15:52:56,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 15:52:56,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 15:52:56,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 15:52:56,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 15:52:56,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 15:52:56,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 15:52:56,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 15:52:56,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 15:52:56,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 15:52:56,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 15:52:56,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 15:52:56,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-16 15:52:56,727 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 15:52:56,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 15:52:56,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 15:52:56,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 15:52:56,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 15:52:56,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 15:52:56,729 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 15:52:56,729 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 15:52:56,730 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 15:52:56,730 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 15:52:56,730 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 15:52:56,730 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 15:52:56,731 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 15:52:56,731 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 15:52:56,731 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 15:52:56,731 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 15:52:56,732 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 15:52:56,732 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 15:52:56,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 15:52:56,733 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 15:52:56,733 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 15:52:56,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 15:52:56,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 15:52:56,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 15:52:56,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 15:52:56,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 15:52:56,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 15:52:56,735 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 15:52:56,735 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 15:52:56,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 15:52:56,735 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 15:52:56,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 15:52:56,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 15:52:56,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 15:52:56,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:52:56,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 15:52:56,737 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 15:52:56,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 15:52:56,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 15:52:56,738 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 15:52:56,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 15:52:56,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 15:52:56,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 15:52:56,739 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_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1e0d46028fd28d9c1cbc056102895f065be9229080945a2c9ee558e687c7175 [2022-11-16 15:52:57,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 15:52:57,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 15:52:57,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 15:52:57,108 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 15:52:57,109 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 15:52:57,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/termination-nla/fermat3-both-nt.c [2022-11-16 15:52:57,183 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/data/07355d8a2/fa183c1c389e47049e8c60828432b806/FLAGc0e08e710 [2022-11-16 15:52:57,609 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 15:52:57,609 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/sv-benchmarks/c/termination-nla/fermat3-both-nt.c [2022-11-16 15:52:57,616 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/data/07355d8a2/fa183c1c389e47049e8c60828432b806/FLAGc0e08e710 [2022-11-16 15:52:57,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/data/07355d8a2/fa183c1c389e47049e8c60828432b806 [2022-11-16 15:52:58,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 15:52:58,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 15:52:58,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 15:52:58,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 15:52:58,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 15:52:58,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:52:57" (1/1) ... [2022-11-16 15:52:58,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53882a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:58, skipping insertion in model container [2022-11-16 15:52:58,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:52:57" (1/1) ... [2022-11-16 15:52:58,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 15:52:58,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 15:52:58,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:52:58,269 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 15:52:58,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:52:58,297 INFO L208 MainTranslator]: Completed translation [2022-11-16 15:52:58,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:58 WrapperNode [2022-11-16 15:52:58,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 15:52:58,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 15:52:58,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 15:52:58,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 15:52:58,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:58" (1/1) ... [2022-11-16 15:52:58,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:58" (1/1) ... [2022-11-16 15:52:58,329 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-11-16 15:52:58,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 15:52:58,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 15:52:58,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 15:52:58,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 15:52:58,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:58" (1/1) ... [2022-11-16 15:52:58,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:58" (1/1) ... [2022-11-16 15:52:58,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:58" (1/1) ... [2022-11-16 15:52:58,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:58" (1/1) ... [2022-11-16 15:52:58,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:58" (1/1) ... [2022-11-16 15:52:58,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:58" (1/1) ... [2022-11-16 15:52:58,361 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:58" (1/1) ... [2022-11-16 15:52:58,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:58" (1/1) ... [2022-11-16 15:52:58,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 15:52:58,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 15:52:58,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 15:52:58,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 15:52:58,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:58" (1/1) ... [2022-11-16 15:52:58,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:52:58,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:52:58,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 15:52:58,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 15:52:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 15:52:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 15:52:58,495 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 15:52:58,497 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 15:52:58,734 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 15:52:58,801 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 15:52:58,801 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 15:52:58,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:52:58 BoogieIcfgContainer [2022-11-16 15:52:58,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 15:52:58,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 15:52:58,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 15:52:58,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 15:52:58,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:52:57" (1/3) ... [2022-11-16 15:52:58,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e37e041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:52:58, skipping insertion in model container [2022-11-16 15:52:58,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:58" (2/3) ... [2022-11-16 15:52:58,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e37e041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:52:58, skipping insertion in model container [2022-11-16 15:52:58,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:52:58" (3/3) ... [2022-11-16 15:52:58,813 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat3-both-nt.c [2022-11-16 15:52:58,831 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 15:52:58,832 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-16 15:52:58,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e37e041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 03:52:58, skipping insertion in model container [2022-11-16 15:52:58,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 15:52:58,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 15:52:58,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 15:52:58,834 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 15:52:58,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:52:58" (3/3) ... [2022-11-16 15:52:58,838 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 15:52:58,847 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-16 15:52:58,847 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 15:52:58,848 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 15:52:58,913 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 15:52:58,914 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 15:52:58,915 INFO L158 Benchmark]: Toolchain (without parser) took 912.11ms. Allocated memory is still 127.9MB. Free memory was 84.7MB in the beginning and 80.9MB in the end (delta: 3.8MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2022-11-16 15:52:58,916 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory was 100.8MB in the beginning and 100.7MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 15:52:58,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.81ms. Allocated memory is still 127.9MB. Free memory was 84.5MB in the beginning and 101.5MB in the end (delta: -17.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 15:52:58,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.56ms. Allocated memory is still 127.9MB. Free memory was 101.5MB in the beginning and 100.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 15:52:58,918 INFO L158 Benchmark]: Boogie Preprocessor took 38.16ms. Allocated memory is still 127.9MB. Free memory was 100.2MB in the beginning and 98.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 15:52:58,918 INFO L158 Benchmark]: RCFGBuilder took 433.90ms. Allocated memory is still 127.9MB. Free memory was 98.8MB in the beginning and 86.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 15:52:58,923 INFO L158 Benchmark]: TraceAbstraction took 27.52ms. Allocated memory is still 127.9MB. Free memory was 85.5MB in the beginning and 83.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 15:52:58,924 INFO L158 Benchmark]: Witness Printer took 79.64ms. Allocated memory is still 127.9MB. Free memory was 83.5MB in the beginning and 80.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 15:52:58,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory was 100.8MB in the beginning and 100.7MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.81ms. Allocated memory is still 127.9MB. Free memory was 84.5MB in the beginning and 101.5MB in the end (delta: -17.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.56ms. Allocated memory is still 127.9MB. Free memory was 101.5MB in the beginning and 100.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.16ms. Allocated memory is still 127.9MB. Free memory was 100.2MB in the beginning and 98.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 433.90ms. Allocated memory is still 127.9MB. Free memory was 98.8MB in the beginning and 86.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 27.52ms. Allocated memory is still 127.9MB. Free memory was 85.5MB in the beginning and 83.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 79.64ms. Allocated memory is still 127.9MB. Free memory was 83.5MB in the beginning and 80.9MB in the end (delta: 2.6MB). 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! [2022-11-16 15:52:58,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcd87b2-0c96-441d-8003-115ba2307dee/bin/utaipan-Xvt2sAort0/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