./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF --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 64bit --witnessprinter.graph.data.programhash 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:32:39,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:32:39,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:32:39,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:32:39,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:32:39,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:32:39,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:32:39,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:32:39,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:32:39,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:32:39,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:32:39,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:32:39,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:32:39,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:32:39,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:32:39,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:32:39,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:32:39,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:32:39,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:32:39,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:32:39,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:32:39,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:32:39,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:32:39,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:32:39,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:32:39,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:32:39,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:32:39,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:32:39,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:32:39,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:32:39,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:32:39,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:32:39,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:32:39,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:32:39,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:32:39,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:32:39,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:32:39,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:32:39,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:32:39,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:32:39,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:32:39,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-13 02:32:39,298 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:32:39,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:32:39,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:32:39,300 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:32:39,300 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:32:39,300 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:32:39,301 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:32:39,301 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:32:39,301 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:32:39,301 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:32:39,302 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:32:39,303 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:32:39,303 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:32:39,303 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:32:39,304 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:32:39,304 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:32:39,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:32:39,305 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 02:32:39,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:32:39,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:32:39,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:32:39,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:32:39,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:32:39,306 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 02:32:39,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:32:39,307 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:32:39,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:32:39,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:32:39,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:32:39,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:32:39,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:32:39,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:32:39,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:32:39,310 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:32:39,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:32:39,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:32:39,311 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:32:39,311 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:32:39,312 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2021-11-13 02:32:39,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:32:39,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:32:39,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:32:39,704 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:32:39,705 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:32:39,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2021-11-13 02:32:39,791 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/data/2bf828cce/6f4b9d446f9b4196a023c4eb541a1394/FLAGdc232494a [2021-11-13 02:32:40,313 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:32:40,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2021-11-13 02:32:40,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/data/2bf828cce/6f4b9d446f9b4196a023c4eb541a1394/FLAGdc232494a [2021-11-13 02:32:40,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/data/2bf828cce/6f4b9d446f9b4196a023c4eb541a1394 [2021-11-13 02:32:40,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:32:40,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:32:40,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:32:40,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:32:40,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:32:40,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:32:40" (1/1) ... [2021-11-13 02:32:40,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a219dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:40, skipping insertion in model container [2021-11-13 02:32:40,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:32:40" (1/1) ... [2021-11-13 02:32:40,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:32:40,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:32:40,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:32:40,882 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:32:40,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:32:40,922 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:32:40,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:40 WrapperNode [2021-11-13 02:32:40,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:32:40,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:32:40,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:32:40,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:32:40,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:40" (1/1) ... [2021-11-13 02:32:40,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:40" (1/1) ... [2021-11-13 02:32:40,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:32:40,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:32:40,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:32:40,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:32:40,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:40" (1/1) ... [2021-11-13 02:32:40,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:40" (1/1) ... [2021-11-13 02:32:40,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:40" (1/1) ... [2021-11-13 02:32:40,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:40" (1/1) ... [2021-11-13 02:32:41,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:40" (1/1) ... [2021-11-13 02:32:41,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:40" (1/1) ... [2021-11-13 02:32:41,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:40" (1/1) ... [2021-11-13 02:32:41,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:32:41,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:32:41,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:32:41,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:32:41,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:40" (1/1) ... [2021-11-13 02:32:41,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:32:41,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:32:41,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:32:41,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:32:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 02:32:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:32:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:32:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 02:32:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:32:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:32:41,442 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:32:41,442 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 02:32:41,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:41 BoogieIcfgContainer [2021-11-13 02:32:41,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:32:41,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:32:41,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:32:41,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:32:41,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:32:40" (1/3) ... [2021-11-13 02:32:41,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f461b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:32:41, skipping insertion in model container [2021-11-13 02:32:41,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:40" (2/3) ... [2021-11-13 02:32:41,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f461b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:32:41, skipping insertion in model container [2021-11-13 02:32:41,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:41" (3/3) ... [2021-11-13 02:32:41,454 INFO L111 eAbstractionObserver]: Analyzing ICFG 4BitCounterPointer.c [2021-11-13 02:32:41,459 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:32:41,460 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-13 02:32:41,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f461b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:32:41, skipping insertion in model container [2021-11-13 02:32:41,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 02:32:41,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 02:32:41,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 02:32:41,463 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 02:32:41,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:41" (3/3) ... [2021-11-13 02:32:41,467 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 02:32:41,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-13 02:32:41,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 02:32:41,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 02:32:41,478 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 02:32:41,521 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 02:32:41,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 02:32:41,524 INFO L158 Benchmark]: Toolchain (without parser) took 837.76ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 51.5MB in the beginning and 84.1MB in the end (delta: -32.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-13 02:32:41,524 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 55.2MB in the beginning and 55.2MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:32:41,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.13ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 51.3MB in the beginning and 103.0MB in the end (delta: -51.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 02:32:41,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.86ms. Allocated memory is still 125.8MB. Free memory was 103.0MB in the beginning and 101.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:32:41,526 INFO L158 Benchmark]: Boogie Preprocessor took 49.59ms. Allocated memory is still 125.8MB. Free memory was 101.6MB in the beginning and 100.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 02:32:41,527 INFO L158 Benchmark]: RCFGBuilder took 425.57ms. Allocated memory is still 125.8MB. Free memory was 100.2MB in the beginning and 88.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 02:32:41,528 INFO L158 Benchmark]: TraceAbstraction took 14.77ms. Allocated memory is still 125.8MB. Free memory was 87.6MB in the beginning and 87.0MB in the end (delta: 661.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:32:41,528 INFO L158 Benchmark]: Witness Printer took 59.53ms. Allocated memory is still 125.8MB. Free memory was 87.0MB in the beginning and 84.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 02:32:41,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 55.2MB in the beginning and 55.2MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.13ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 51.3MB in the beginning and 103.0MB in the end (delta: -51.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.86ms. Allocated memory is still 125.8MB. Free memory was 103.0MB in the beginning and 101.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.59ms. Allocated memory is still 125.8MB. Free memory was 101.6MB in the beginning and 100.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.57ms. Allocated memory is still 125.8MB. Free memory was 100.2MB in the beginning and 88.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 14.77ms. Allocated memory is still 125.8MB. Free memory was 87.6MB in the beginning and 87.0MB in the end (delta: 661.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.53ms. Allocated memory is still 125.8MB. Free memory was 87.0MB in the beginning and 84.1MB in the end (delta: 2.8MB). 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 specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-11-13 02:32:41,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcf9b9-e262-4ffc-9d17-225e6e59fbb0/bin/utaipan-vmNK8stdcF/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