./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/fermat2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-nla/fermat2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS --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 760a0b2b1b245d5ac1be42e6ec5571f53ca3866e6882e51b761d842230d5c7d0 --- 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 [2022-11-19 07:33:42,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:33:42,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:33:42,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:33:42,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:33:42,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:33:42,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:33:42,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:33:42,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:33:42,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:33:42,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:33:42,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:33:42,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:33:42,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:33:42,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:33:42,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:33:42,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:33:42,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:33:42,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:33:42,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:33:42,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:33:42,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:33:42,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:33:42,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:33:42,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:33:42,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:33:42,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:33:42,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:33:42,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:33:42,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:33:42,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:33:42,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:33:42,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:33:42,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:33:42,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:33:42,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:33:42,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:33:42,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:33:42,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:33:42,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:33:42,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:33:42,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:33:42,845 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:33:42,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:33:42,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:33:42,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:33:42,846 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:33:42,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:33:42,846 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:33:42,847 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:33:42,847 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:33:42,847 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:33:42,847 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:33:42,847 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:33:42,847 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:33:42,848 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:33:42,848 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:33:42,848 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:33:42,848 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:33:42,848 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:33:42,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:33:42,849 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:33:42,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:33:42,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:33:42,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:33:42,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:33:42,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:33:42,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:33:42,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:33:42,851 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:33:42,851 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:33:42,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:33:42,851 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:33:42,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:33:42,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:33:42,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:33:42,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:33:42,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:33:42,852 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:33:42,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:33:42,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:33:42,853 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:33:42,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:33:42,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:33:42,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:33:42,853 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_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760a0b2b1b245d5ac1be42e6ec5571f53ca3866e6882e51b761d842230d5c7d0 [2022-11-19 07:33:43,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:33:43,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:33:43,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:33:43,174 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:33:43,175 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:33:43,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/termination-nla/fermat2-both-nt.c [2022-11-19 07:33:43,252 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/data/5909b14d6/edce61146c04432db2d12a4298076dee/FLAG3d8898431 [2022-11-19 07:33:43,637 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:33:43,637 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/sv-benchmarks/c/termination-nla/fermat2-both-nt.c [2022-11-19 07:33:43,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/data/5909b14d6/edce61146c04432db2d12a4298076dee/FLAG3d8898431 [2022-11-19 07:33:44,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/data/5909b14d6/edce61146c04432db2d12a4298076dee [2022-11-19 07:33:44,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:33:44,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:33:44,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:33:44,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:33:44,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:33:44,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:44" (1/1) ... [2022-11-19 07:33:44,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5458ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:44, skipping insertion in model container [2022-11-19 07:33:44,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:44" (1/1) ... [2022-11-19 07:33:44,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:33:44,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:33:44,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:33:44,272 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:33:44,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:33:44,303 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:33:44,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:44 WrapperNode [2022-11-19 07:33:44,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:33:44,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:33:44,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:33:44,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:33:44,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:44" (1/1) ... [2022-11-19 07:33:44,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:44" (1/1) ... [2022-11-19 07:33:44,337 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-11-19 07:33:44,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:33:44,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:33:44,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:33:44,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:33:44,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:44" (1/1) ... [2022-11-19 07:33:44,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:44" (1/1) ... [2022-11-19 07:33:44,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:44" (1/1) ... [2022-11-19 07:33:44,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:44" (1/1) ... [2022-11-19 07:33:44,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:44" (1/1) ... [2022-11-19 07:33:44,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:44" (1/1) ... [2022-11-19 07:33:44,356 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:44" (1/1) ... [2022-11-19 07:33:44,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:44" (1/1) ... [2022-11-19 07:33:44,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:33:44,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:33:44,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:33:44,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:33:44,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:44" (1/1) ... [2022-11-19 07:33:44,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:33:44,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:33:44,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:33:44,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:33:44,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:33:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:33:44,480 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:33:44,482 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:33:44,769 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:33:44,819 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:33:44,820 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-19 07:33:44,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:44 BoogieIcfgContainer [2022-11-19 07:33:44,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:33:44,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:33:44,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:33:44,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:33:44,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:33:44" (1/3) ... [2022-11-19 07:33:44,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8f68b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:33:44, skipping insertion in model container [2022-11-19 07:33:44,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:44" (2/3) ... [2022-11-19 07:33:44,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8f68b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:33:44, skipping insertion in model container [2022-11-19 07:33:44,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:44" (3/3) ... [2022-11-19 07:33:44,832 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat2-both-nt.c [2022-11-19 07:33:44,851 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:33:44,852 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-19 07:33:44,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8f68b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:33:44, skipping insertion in model container [2022-11-19 07:33:44,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:33:44,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:33:44,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:33:44,855 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:33:44,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:44" (3/3) ... [2022-11-19 07:33:44,858 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:33:44,868 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-19 07:33:44,869 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 07:33:44,869 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 07:33:44,932 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:33:44,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:33:44,934 INFO L158 Benchmark]: Toolchain (without parser) took 867.16ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 111.1MB in the end (delta: 10.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-19 07:33:44,935 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory was 73.6MB in the beginning and 73.5MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:33:44,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.04ms. Allocated memory is still 155.2MB. Free memory was 120.8MB in the beginning and 132.4MB in the end (delta: -11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:33:44,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.34ms. Allocated memory is still 155.2MB. Free memory was 132.4MB in the beginning and 130.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:33:44,945 INFO L158 Benchmark]: Boogie Preprocessor took 20.40ms. Allocated memory is still 155.2MB. Free memory was 130.7MB in the beginning and 129.8MB in the end (delta: 916.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:33:44,946 INFO L158 Benchmark]: RCFGBuilder took 463.38ms. Allocated memory is still 155.2MB. Free memory was 129.8MB in the beginning and 116.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-19 07:33:44,947 INFO L158 Benchmark]: TraceAbstraction took 29.19ms. Allocated memory is still 155.2MB. Free memory was 115.3MB in the beginning and 113.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:33:44,947 INFO L158 Benchmark]: Witness Printer took 78.19ms. Allocated memory is still 155.2MB. Free memory was 113.3MB in the beginning and 111.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:33:44,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory was 73.6MB in the beginning and 73.5MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.04ms. Allocated memory is still 155.2MB. Free memory was 120.8MB in the beginning and 132.4MB in the end (delta: -11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.34ms. Allocated memory is still 155.2MB. Free memory was 132.4MB in the beginning and 130.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.40ms. Allocated memory is still 155.2MB. Free memory was 130.7MB in the beginning and 129.8MB in the end (delta: 916.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.38ms. Allocated memory is still 155.2MB. Free memory was 129.8MB in the beginning and 116.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 29.19ms. Allocated memory is still 155.2MB. Free memory was 115.3MB in the beginning and 113.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 78.19ms. Allocated memory is still 155.2MB. Free memory was 113.3MB in the beginning and 111.1MB 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 specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-19 07:33:44,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec97b55-b849-4e48-8030-e4ad32e3e59f/bin/utaipan-I9t0OCRTmS/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