./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/WhileTrue.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted/WhileTrue.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs --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 2c915ce64f8b11abacbd175f69c99f9afd8b2edc1142f6db1504c1dcc6414eb1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:31:54,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:31:54,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:31:54,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:31:54,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:31:54,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:31:54,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:31:54,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:31:54,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:31:54,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:31:54,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:31:54,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:31:54,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:31:54,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:31:54,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:31:54,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:31:54,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:31:54,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:31:54,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:31:54,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:31:54,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:31:54,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:31:54,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:31:54,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:31:54,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:31:54,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:31:54,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:31:54,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:31:54,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:31:54,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:31:54,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:31:54,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:31:54,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:31:54,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:31:54,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:31:54,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:31:54,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:31:54,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:31:54,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:31:54,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:31:54,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:31:54,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-19 14:31:54,282 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:31:54,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:31:54,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:31:54,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:31:54,284 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:31:54,284 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:31:54,284 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:31:54,285 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:31:54,291 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:31:54,291 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:31:54,292 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:31:54,292 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:31:54,293 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:31:54,293 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:31:54,293 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:31:54,293 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:31:54,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:31:54,294 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:31:54,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:31:54,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:31:54,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:31:54,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:31:54,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:31:54,295 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-19 14:31:54,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:31:54,296 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:31:54,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:31:54,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:31:54,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:31:54,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:31:54,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:31:54,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:31:54,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:31:54,299 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:31:54,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:31:54,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:31:54,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:31:54,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:31:54,300 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_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c915ce64f8b11abacbd175f69c99f9afd8b2edc1142f6db1504c1dcc6414eb1 [2021-11-19 14:31:54,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:31:54,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:31:54,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:31:54,593 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:31:54,594 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:31:54,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/termination-crafted/WhileTrue.c [2021-11-19 14:31:54,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/data/0a6db040e/e7c0f1c9f8fc413da61adfa31fcd4e10/FLAG9cddfa641 [2021-11-19 14:31:55,133 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:31:55,134 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/sv-benchmarks/c/termination-crafted/WhileTrue.c [2021-11-19 14:31:55,139 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/data/0a6db040e/e7c0f1c9f8fc413da61adfa31fcd4e10/FLAG9cddfa641 [2021-11-19 14:31:55,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/data/0a6db040e/e7c0f1c9f8fc413da61adfa31fcd4e10 [2021-11-19 14:31:55,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:31:55,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:31:55,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:31:55,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:31:55,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:31:55,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:31:55" (1/1) ... [2021-11-19 14:31:55,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18199c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:55, skipping insertion in model container [2021-11-19 14:31:55,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:31:55" (1/1) ... [2021-11-19 14:31:55,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:31:55,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:31:55,697 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:31:55,729 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:31:55,739 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:31:55,749 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:31:55,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:55 WrapperNode [2021-11-19 14:31:55,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:31:55,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:31:55,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:31:55,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:31:55,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:55" (1/1) ... [2021-11-19 14:31:55,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:55" (1/1) ... [2021-11-19 14:31:55,786 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 8 [2021-11-19 14:31:55,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:31:55,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:31:55,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:31:55,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:31:55,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:55" (1/1) ... [2021-11-19 14:31:55,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:55" (1/1) ... [2021-11-19 14:31:55,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:55" (1/1) ... [2021-11-19 14:31:55,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:55" (1/1) ... [2021-11-19 14:31:55,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:55" (1/1) ... [2021-11-19 14:31:55,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:55" (1/1) ... [2021-11-19 14:31:55,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:55" (1/1) ... [2021-11-19 14:31:55,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:31:55,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:31:55,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:31:55,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:31:55,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:55" (1/1) ... [2021-11-19 14:31:55,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:31:55,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:31:55,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:31:55,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:31:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:31:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:31:55,966 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:31:55,967 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:31:56,022 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:31:56,043 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:31:56,043 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 14:31:56,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:31:56 BoogieIcfgContainer [2021-11-19 14:31:56,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:31:56,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:31:56,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:31:56,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:31:56,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:31:55" (1/3) ... [2021-11-19 14:31:56,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f24e2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:31:56, skipping insertion in model container [2021-11-19 14:31:56,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:55" (2/3) ... [2021-11-19 14:31:56,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f24e2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:31:56, skipping insertion in model container [2021-11-19 14:31:56,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:31:56" (3/3) ... [2021-11-19 14:31:56,056 INFO L111 eAbstractionObserver]: Analyzing ICFG WhileTrue.c [2021-11-19 14:31:56,061 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:31:56,061 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-19 14:31:56,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f24e2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:31:56, skipping insertion in model container [2021-11-19 14:31:56,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:31:56,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:31:56,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:31:56,065 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:31:56,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:31:56" (3/3) ... [2021-11-19 14:31:56,070 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 14:31:56,089 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-19 14:31:56,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-19 14:31:56,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 14:31:56,125 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 14:31:56,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:31:56,128 INFO L158 Benchmark]: Toolchain (without parser) took 583.59ms. Allocated memory is still 102.8MB. Free memory was 65.5MB in the beginning and 66.7MB in the end (delta: -1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:31:56,129 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:31:56,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.61ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 79.8MB in the end (delta: -14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 14:31:56,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.37ms. Allocated memory is still 102.8MB. Free memory was 79.8MB in the beginning and 78.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:31:56,132 INFO L158 Benchmark]: Boogie Preprocessor took 27.56ms. Allocated memory is still 102.8MB. Free memory was 78.5MB in the beginning and 77.7MB in the end (delta: 762.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:31:56,133 INFO L158 Benchmark]: RCFGBuilder took 230.19ms. Allocated memory is still 102.8MB. Free memory was 77.7MB in the beginning and 70.6MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 14:31:56,138 INFO L158 Benchmark]: TraceAbstraction took 15.54ms. Allocated memory is still 102.8MB. Free memory was 70.1MB in the beginning and 69.3MB in the end (delta: 761.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:31:56,141 INFO L158 Benchmark]: Witness Printer took 61.11ms. Allocated memory is still 102.8MB. Free memory was 68.9MB in the beginning and 66.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:31:56,147 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 102.8MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.61ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 79.8MB in the end (delta: -14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.37ms. Allocated memory is still 102.8MB. Free memory was 79.8MB in the beginning and 78.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.56ms. Allocated memory is still 102.8MB. Free memory was 78.5MB in the beginning and 77.7MB in the end (delta: 762.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 230.19ms. Allocated memory is still 102.8MB. Free memory was 77.7MB in the beginning and 70.6MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 15.54ms. Allocated memory is still 102.8MB. Free memory was 70.1MB in the beginning and 69.3MB in the end (delta: 761.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 61.11ms. Allocated memory is still 102.8MB. Free memory was 68.9MB in the beginning and 66.7MB 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 specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-11-19 14:31:56,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56493e59-f8a2-496e-9443-410ab9fa7d6b/bin/utaipan-UbGMyvGFUs/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