./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/fermat1-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-nla/fermat1-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9 --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 5e34879e02ee443e2f87fba0343a7a3de23b2b87391893f222a537ffc24e5625 --- 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-6b4ec56 [2022-11-20 19:01:15,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:01:15,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:01:15,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:01:15,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:01:15,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:01:15,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:01:15,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:01:15,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:01:15,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:01:15,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:01:15,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:01:15,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:01:15,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:01:15,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:01:15,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:01:15,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:01:15,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:01:15,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:01:15,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:01:15,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:01:15,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:01:15,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:01:15,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:01:15,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:01:15,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:01:15,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:01:15,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:01:15,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:01:15,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:01:15,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:01:15,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:01:15,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:01:15,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:01:15,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:01:15,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:01:15,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:01:15,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:01:15,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:01:15,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:01:15,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:01:15,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-20 19:01:15,857 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:01:15,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:01:15,859 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:01:15,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:01:15,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:01:15,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:01:15,861 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:01:15,861 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:01:15,861 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:01:15,861 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:01:15,863 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:01:15,863 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:01:15,863 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:01:15,864 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:01:15,864 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:01:15,864 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:01:15,864 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:01:15,865 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:01:15,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:01:15,866 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:01:15,866 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 19:01:15,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:01:15,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:01:15,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:01:15,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:01:15,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:01:15,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:01:15,868 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 19:01:15,869 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:01:15,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:01:15,869 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:01:15,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:01:15,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:01:15,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:01:15,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:01:15,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:01:15,871 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:01:15,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:01:15,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:01:15,872 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:01:15,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:01:15,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:01:15,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:01:15,873 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_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e34879e02ee443e2f87fba0343a7a3de23b2b87391893f222a537ffc24e5625 [2022-11-20 19:01:16,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:01:16,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:01:16,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:01:16,247 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:01:16,248 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:01:16,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/termination-nla/fermat1-both-nt.c [2022-11-20 19:01:19,524 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:01:19,793 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:01:19,794 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/sv-benchmarks/c/termination-nla/fermat1-both-nt.c [2022-11-20 19:01:19,801 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/data/d24931ab3/fc51d54aa9404cb79fd190cb485510df/FLAGfa06b3903 [2022-11-20 19:01:19,824 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/data/d24931ab3/fc51d54aa9404cb79fd190cb485510df [2022-11-20 19:01:19,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:01:19,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:01:19,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:01:19,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:01:19,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:01:19,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:01:19" (1/1) ... [2022-11-20 19:01:19,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5739fdd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:19, skipping insertion in model container [2022-11-20 19:01:19,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:01:19" (1/1) ... [2022-11-20 19:01:19,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:01:19,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:01:20,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:01:20,042 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:01:20,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:01:20,074 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:01:20,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:20 WrapperNode [2022-11-20 19:01:20,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:01:20,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:01:20,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:01:20,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:01:20,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:20" (1/1) ... [2022-11-20 19:01:20,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:20" (1/1) ... [2022-11-20 19:01:20,111 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-11-20 19:01:20,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:01:20,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:01:20,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:01:20,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:01:20,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:20" (1/1) ... [2022-11-20 19:01:20,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:20" (1/1) ... [2022-11-20 19:01:20,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:20" (1/1) ... [2022-11-20 19:01:20,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:20" (1/1) ... [2022-11-20 19:01:20,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:20" (1/1) ... [2022-11-20 19:01:20,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:20" (1/1) ... [2022-11-20 19:01:20,159 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:20" (1/1) ... [2022-11-20 19:01:20,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:20" (1/1) ... [2022-11-20 19:01:20,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:01:20,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:01:20,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:01:20,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:01:20,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:20" (1/1) ... [2022-11-20 19:01:20,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:01:20,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:01:20,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:01:20,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:01:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:01:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:01:20,349 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:01:20,351 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:01:20,582 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:01:20,641 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:01:20,642 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 19:01:20,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:01:20 BoogieIcfgContainer [2022-11-20 19:01:20,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:01:20,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:01:20,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:01:20,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:01:20,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:01:19" (1/3) ... [2022-11-20 19:01:20,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffe7dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:01:20, skipping insertion in model container [2022-11-20 19:01:20,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:20" (2/3) ... [2022-11-20 19:01:20,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffe7dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:01:20, skipping insertion in model container [2022-11-20 19:01:20,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:01:20" (3/3) ... [2022-11-20 19:01:20,671 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat1-both-nt.c [2022-11-20 19:01:20,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:01:20,705 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 19:01:20,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffe7dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:01:20, skipping insertion in model container [2022-11-20 19:01:20,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 19:01:20,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 19:01:20,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 19:01:20,709 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 19:01:20,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:01:20" (3/3) ... [2022-11-20 19:01:20,715 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 19:01:20,728 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 19:01:20,729 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 19:01:20,729 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 19:01:20,799 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 19:01:20,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 19:01:20,801 INFO L158 Benchmark]: Toolchain (without parser) took 972.41ms. Allocated memory is still 180.4MB. Free memory was 147.7MB in the beginning and 119.0MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 19:01:20,802 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:01:20,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.08ms. Allocated memory is still 180.4MB. Free memory was 147.0MB in the beginning and 137.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 19:01:20,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.64ms. Allocated memory is still 180.4MB. Free memory was 137.8MB in the beginning and 136.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:01:20,804 INFO L158 Benchmark]: Boogie Preprocessor took 54.22ms. Allocated memory is still 180.4MB. Free memory was 136.5MB in the beginning and 135.7MB in the end (delta: 828.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:01:20,804 INFO L158 Benchmark]: RCFGBuilder took 479.08ms. Allocated memory is still 180.4MB. Free memory was 135.7MB in the beginning and 123.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 19:01:20,805 INFO L158 Benchmark]: TraceAbstraction took 56.74ms. Allocated memory is still 180.4MB. Free memory was 123.2MB in the beginning and 121.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:01:20,805 INFO L158 Benchmark]: Witness Printer took 90.78ms. Allocated memory is still 180.4MB. Free memory was 121.0MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:01:20,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.08ms. Allocated memory is still 180.4MB. Free memory was 147.0MB in the beginning and 137.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.64ms. Allocated memory is still 180.4MB. Free memory was 137.8MB in the beginning and 136.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.22ms. Allocated memory is still 180.4MB. Free memory was 136.5MB in the beginning and 135.7MB in the end (delta: 828.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 479.08ms. Allocated memory is still 180.4MB. Free memory was 135.7MB in the beginning and 123.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 56.74ms. Allocated memory is still 180.4MB. Free memory was 123.2MB in the beginning and 121.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 90.78ms. Allocated memory is still 180.4MB. Free memory was 121.0MB in the beginning and 119.0MB 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! [2022-11-20 19:01:20,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e1d47d-b98f-4d16-8c58-a48957039c27/bin/utaipan-6cKwYrpEi9/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