./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Velroyen.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Velroyen.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs --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 ec006770ad5cd0a3c7db0bdcdc2e13af7e5cceb3 ........................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:45:02,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:45:02,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:45:02,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:45:02,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:45:02,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:45:02,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:45:02,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:45:02,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:45:02,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:45:02,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:45:02,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:45:02,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:45:02,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:45:02,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:45:02,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:45:02,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:45:02,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:45:02,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:45:02,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:45:02,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:45:02,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:45:02,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:45:02,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:45:02,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:45:02,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:45:02,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:45:02,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:45:02,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:45:02,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:45:02,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:45:02,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:45:02,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:45:02,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:45:02,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:45:02,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:45:02,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:45:02,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:45:02,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:45:02,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:45:02,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:45:02,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-10-16 02:45:02,343 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:45:02,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:45:02,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:45:02,345 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:45:02,345 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:45:02,346 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:45:02,346 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:45:02,346 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:45:02,347 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:45:02,347 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:45:02,348 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:45:02,348 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:45:02,348 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:45:02,349 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:45:02,349 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:45:02,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:45:02,350 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:45:02,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:45:02,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:45:02,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:45:02,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:45:02,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:45:02,352 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-16 02:45:02,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:45:02,353 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:45:02,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:45:02,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:45:02,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:45:02,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:45:02,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:45:02,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:45:02,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:45:02,356 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:45:02,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:45:02,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:45:02,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:45:02,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:45:02,358 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_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec006770ad5cd0a3c7db0bdcdc2e13af7e5cceb3 [2021-10-16 02:45:02,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:45:02,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:45:02,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:45:02,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:45:02,677 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:45:02,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/termination-crafted-lit/Velroyen.c [2021-10-16 02:45:02,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/data/528f3d8ce/22ea5a9fee6a4f51a024c27a844ad6a0/FLAGe1f6edc29 [2021-10-16 02:45:03,260 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:45:03,261 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/sv-benchmarks/c/termination-crafted-lit/Velroyen.c [2021-10-16 02:45:03,277 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/data/528f3d8ce/22ea5a9fee6a4f51a024c27a844ad6a0/FLAGe1f6edc29 [2021-10-16 02:45:03,635 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/data/528f3d8ce/22ea5a9fee6a4f51a024c27a844ad6a0 [2021-10-16 02:45:03,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:45:03,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:45:03,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:45:03,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:45:03,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:45:03,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:45:03" (1/1) ... [2021-10-16 02:45:03,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e3bc73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:03, skipping insertion in model container [2021-10-16 02:45:03,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:45:03" (1/1) ... [2021-10-16 02:45:03,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:45:03,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:45:03,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:45:03,860 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:45:03,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:45:03,900 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:45:03,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:03 WrapperNode [2021-10-16 02:45:03,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:45:03,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:45:03,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:45:03,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:45:03,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:03" (1/1) ... [2021-10-16 02:45:03,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:03" (1/1) ... [2021-10-16 02:45:03,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:45:03,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:45:03,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:45:03,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:45:03,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:03" (1/1) ... [2021-10-16 02:45:03,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:03" (1/1) ... [2021-10-16 02:45:03,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:03" (1/1) ... [2021-10-16 02:45:03,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:03" (1/1) ... [2021-10-16 02:45:03,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:03" (1/1) ... [2021-10-16 02:45:03,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:03" (1/1) ... [2021-10-16 02:45:03,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:03" (1/1) ... [2021-10-16 02:45:03,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:45:03,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:45:03,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:45:03,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:45:03,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:03" (1/1) ... [2021-10-16 02:45:03,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:45:03,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:45:04,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:45:04,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:45:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:45:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:45:04,260 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:45:04,260 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-16 02:45:04,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:45:04 BoogieIcfgContainer [2021-10-16 02:45:04,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:45:04,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:45:04,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:45:04,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:45:04,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:45:03" (1/3) ... [2021-10-16 02:45:04,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3a0fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:45:04, skipping insertion in model container [2021-10-16 02:45:04,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:03" (2/3) ... [2021-10-16 02:45:04,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3a0fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:45:04, skipping insertion in model container [2021-10-16 02:45:04,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:45:04" (3/3) ... [2021-10-16 02:45:04,275 INFO L111 eAbstractionObserver]: Analyzing ICFG Velroyen.c [2021-10-16 02:45:04,281 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:45:04,282 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-16 02:45:04,337 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:45:04,345 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:45:04,346 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-16 02:45:04,362 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:04,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-16 02:45:04,368 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:04,369 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-16 02:45:04,370 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-10-16 02:45:04,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:04,377 INFO L82 PathProgramCache]: Analyzing trace with hash 925773360, now seen corresponding path program 1 times [2021-10-16 02:45:04,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:45:04,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821461707] [2021-10-16 02:45:04,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:04,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:45:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:04,547 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:45:04,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821461707] [2021-10-16 02:45:04,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821461707] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:45:04,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:45:04,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:45:04,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002422811] [2021-10-16 02:45:04,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:45:04,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:45:04,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:45:04,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:45:04,576 INFO L87 Difference]: Start difference. First operand has 10 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:04,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:04,636 INFO L93 Difference]: Finished difference Result 12 states and 17 transitions. [2021-10-16 02:45:04,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:45:04,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-16 02:45:04,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:04,651 INFO L225 Difference]: With dead ends: 12 [2021-10-16 02:45:04,651 INFO L226 Difference]: Without dead ends: 10 [2021-10-16 02:45:04,654 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:45:04,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-16 02:45:04,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 8. [2021-10-16 02:45:04,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:04,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2021-10-16 02:45:04,693 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 11 transitions. Word has length 6 [2021-10-16 02:45:04,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:04,694 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-10-16 02:45:04,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:04,695 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 11 transitions. [2021-10-16 02:45:04,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-16 02:45:04,696 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:04,696 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:45:04,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:45:04,697 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-10-16 02:45:04,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:04,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1365796855, now seen corresponding path program 1 times [2021-10-16 02:45:04,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:45:04,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602091116] [2021-10-16 02:45:04,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:04,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:45:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:04,734 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:45:04,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602091116] [2021-10-16 02:45:04,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602091116] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:45:04,735 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:45:04,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:45:04,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107632741] [2021-10-16 02:45:04,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:45:04,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:45:04,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:45:04,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:45:04,740 INFO L87 Difference]: Start difference. First operand 8 states and 11 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:04,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:04,774 INFO L93 Difference]: Finished difference Result 10 states and 14 transitions. [2021-10-16 02:45:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:45:04,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-16 02:45:04,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:04,775 INFO L225 Difference]: With dead ends: 10 [2021-10-16 02:45:04,776 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:45:04,777 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:45:04,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:45:04,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:45:04,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:04,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:45:04,778 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2021-10-16 02:45:04,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:04,779 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:45:04,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:04,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:45:04,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:45:04,799 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-16 02:45:04,800 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-16 02:45:04,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 02:45:04,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:45:04,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:04,827 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2021-10-16 02:45:04,827 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:45:04,827 INFO L857 garLoopResultBuilder]: For program point L19(lines 19 23) no Hoare annotation was computed. [2021-10-16 02:45:04,828 INFO L857 garLoopResultBuilder]: For program point L15(lines 15 27) no Hoare annotation was computed. [2021-10-16 02:45:04,828 INFO L860 garLoopResultBuilder]: At program point L15-1(lines 14 28) the Hoare annotation is: true [2021-10-16 02:45:04,828 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2021-10-16 02:45:04,828 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:45:04,829 INFO L857 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2021-10-16 02:45:04,829 INFO L857 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2021-10-16 02:45:04,829 INFO L857 garLoopResultBuilder]: For program point L16(lines 16 24) no Hoare annotation was computed. [2021-10-16 02:45:04,836 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:45:04,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:45:04 BoogieIcfgContainer [2021-10-16 02:45:04,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:45:04,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:45:04,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:45:04,855 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:45:04,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:45:04" (3/4) ... [2021-10-16 02:45:04,858 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:45:04,868 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-16 02:45:04,868 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-16 02:45:04,868 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:45:04,908 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:45:04,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:45:04,911 INFO L168 Benchmark]: Toolchain (without parser) took 1270.21 ms. Allocated memory is still 107.0 MB. Free memory was 64.6 MB in the beginning and 45.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:04,912 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory is still 81.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:45:04,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.66 ms. Allocated memory is still 107.0 MB. Free memory was 64.4 MB in the beginning and 82.8 MB in the end (delta: -18.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:04,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.86 ms. Allocated memory is still 107.0 MB. Free memory was 82.8 MB in the beginning and 81.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:45:04,914 INFO L168 Benchmark]: Boogie Preprocessor took 18.82 ms. Allocated memory is still 107.0 MB. Free memory was 81.4 MB in the beginning and 80.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:04,915 INFO L168 Benchmark]: RCFGBuilder took 298.80 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 71.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:04,916 INFO L168 Benchmark]: TraceAbstraction took 587.43 ms. Allocated memory is still 107.0 MB. Free memory was 71.4 MB in the beginning and 48.0 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:04,917 INFO L168 Benchmark]: Witness Printer took 54.56 ms. Allocated memory is still 107.0 MB. Free memory was 48.0 MB in the beginning and 45.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:04,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory is still 81.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 259.66 ms. Allocated memory is still 107.0 MB. Free memory was 64.4 MB in the beginning and 82.8 MB in the end (delta: -18.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.86 ms. Allocated memory is still 107.0 MB. Free memory was 82.8 MB in the beginning and 81.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.82 ms. Allocated memory is still 107.0 MB. Free memory was 81.4 MB in the beginning and 80.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 298.80 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 71.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 587.43 ms. Allocated memory is still 107.0 MB. Free memory was 71.4 MB in the beginning and 48.0 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 54.56 ms. Allocated memory is still 107.0 MB. Free memory was 48.0 MB in the beginning and 45.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 501.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 11.6ms, AutomataDifference: 134.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 25.4ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 9 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 25 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 21.6ms AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 16.7ms HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 4.5ms SsaConstructionTime, 20.5ms SatisfiabilityAnalysisTime, 100.7ms InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-16 02:45:04,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57066d0-6c1e-40f2-9e3e-e6c3ca5ce0e8/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...