./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 b5237d83 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_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-nla/fermat3-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 01:23:50,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:23:50,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:23:50,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:23:50,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:23:50,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:23:50,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:23:50,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:23:50,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:23:50,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:23:50,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:23:50,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:23:50,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:23:50,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:23:50,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:23:50,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:23:50,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:23:50,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:23:50,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:23:50,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:23:50,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:23:50,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:23:50,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:23:50,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:23:50,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:23:50,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:23:50,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:23:50,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:23:50,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:23:50,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:23:50,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:23:50,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:23:50,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:23:50,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:23:50,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:23:50,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:23:50,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:23:50,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:23:50,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:23:50,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:23:50,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:23:50,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:23:50,829 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:23:50,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:23:50,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:23:50,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:23:50,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:23:50,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:23:50,832 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:23:50,832 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:23:50,833 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:23:50,833 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:23:50,834 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:23:50,834 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:23:50,835 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:23:50,835 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:23:50,835 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:23:50,836 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:23:50,836 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:23:50,836 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:23:50,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:23:50,838 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:23:50,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:23:50,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:23:50,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:23:50,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:23:50,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:23:50,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:23:50,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:23:50,840 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:23:50,840 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:23:50,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:23:50,840 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:23:50,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:23:50,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:23:50,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:23:50,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:23:50,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:23:50,842 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:23:50,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:23:50,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:23:50,843 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:23:50,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:23:50,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:23:50,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:23:50,844 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_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1e0d46028fd28d9c1cbc056102895f065be9229080945a2c9ee558e687c7175 [2022-11-22 01:23:51,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:23:51,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:23:51,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:23:51,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:23:51,163 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:23:51,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/termination-nla/fermat3-both-nt.c [2022-11-22 01:23:54,270 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:23:54,518 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:23:54,518 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/sv-benchmarks/c/termination-nla/fermat3-both-nt.c [2022-11-22 01:23:54,539 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/data/7c64e75f8/06fe66360ea54004b4202409c48054f5/FLAG0cc25f270 [2022-11-22 01:23:54,576 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/data/7c64e75f8/06fe66360ea54004b4202409c48054f5 [2022-11-22 01:23:54,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:23:54,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:23:54,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:23:54,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:23:54,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:23:54,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:23:54" (1/1) ... [2022-11-22 01:23:54,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f79580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:54, skipping insertion in model container [2022-11-22 01:23:54,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:23:54" (1/1) ... [2022-11-22 01:23:54,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:23:54,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:23:54,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:23:54,783 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:23:54,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:23:54,811 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:23:54,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:54 WrapperNode [2022-11-22 01:23:54,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:23:54,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:23:54,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:23:54,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:23:54,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:54" (1/1) ... [2022-11-22 01:23:54,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:54" (1/1) ... [2022-11-22 01:23:54,841 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-11-22 01:23:54,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:23:54,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:23:54,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:23:54,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:23:54,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:54" (1/1) ... [2022-11-22 01:23:54,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:54" (1/1) ... [2022-11-22 01:23:54,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:54" (1/1) ... [2022-11-22 01:23:54,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:54" (1/1) ... [2022-11-22 01:23:54,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:54" (1/1) ... [2022-11-22 01:23:54,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:54" (1/1) ... [2022-11-22 01:23:54,872 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:54" (1/1) ... [2022-11-22 01:23:54,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:54" (1/1) ... [2022-11-22 01:23:54,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:23:54,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:23:54,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:23:54,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:23:54,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:54" (1/1) ... [2022-11-22 01:23:54,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:23:54,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:23:54,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:23:54,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:23:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:23:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:23:55,016 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:23:55,018 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:23:55,192 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:23:55,260 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:23:55,260 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:23:55,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:23:55 BoogieIcfgContainer [2022-11-22 01:23:55,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:23:55,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:23:55,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:23:55,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:23:55,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:23:54" (1/3) ... [2022-11-22 01:23:55,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127b6144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:23:55, skipping insertion in model container [2022-11-22 01:23:55,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:54" (2/3) ... [2022-11-22 01:23:55,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127b6144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:23:55, skipping insertion in model container [2022-11-22 01:23:55,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:23:55" (3/3) ... [2022-11-22 01:23:55,273 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat3-both-nt.c [2022-11-22 01:23:55,293 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:23:55,293 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-22 01:23:55,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127b6144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:23:55, skipping insertion in model container [2022-11-22 01:23:55,295 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:23:55,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:23:55,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:23:55,296 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:23:55,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:23:55" (3/3) ... [2022-11-22 01:23:55,300 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:23:55,310 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-22 01:23:55,311 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-22 01:23:55,311 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 01:23:55,350 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:23:55,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:23:55,352 INFO L158 Benchmark]: Toolchain (without parser) took 768.87ms. Allocated memory is still 165.7MB. Free memory was 137.8MB in the beginning and 106.9MB in the end (delta: 30.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-22 01:23:55,353 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 127.9MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:23:55,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.60ms. Allocated memory is still 165.7MB. Free memory was 137.3MB in the beginning and 127.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-22 01:23:55,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.17ms. Allocated memory is still 165.7MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:23:55,354 INFO L158 Benchmark]: Boogie Preprocessor took 32.21ms. Allocated memory is still 165.7MB. Free memory was 125.8MB in the beginning and 124.8MB in the end (delta: 995.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:23:55,355 INFO L158 Benchmark]: RCFGBuilder took 387.95ms. Allocated memory is still 165.7MB. Free memory was 124.8MB in the beginning and 112.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 01:23:55,355 INFO L158 Benchmark]: TraceAbstraction took 28.80ms. Allocated memory is still 165.7MB. Free memory was 111.1MB in the beginning and 109.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:23:55,356 INFO L158 Benchmark]: Witness Printer took 55.06ms. Allocated memory is still 165.7MB. Free memory was 109.0MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:23:55,359 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 127.9MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.60ms. Allocated memory is still 165.7MB. Free memory was 137.3MB in the beginning and 127.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.17ms. Allocated memory is still 165.7MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.21ms. Allocated memory is still 165.7MB. Free memory was 125.8MB in the beginning and 124.8MB in the end (delta: 995.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 387.95ms. Allocated memory is still 165.7MB. Free memory was 124.8MB in the beginning and 112.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 28.80ms. Allocated memory is still 165.7MB. Free memory was 111.1MB in the beginning and 109.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 55.06ms. Allocated memory is still 165.7MB. Free memory was 109.0MB in the beginning and 106.9MB in the end (delta: 2.1MB). 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! [2022-11-22 01:23:55,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5acbed24-4cc2-40ab-ad21-2f762f3f4db2/bin/utaipan-g80aRyZoba/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