./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8 --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 aa5b18db61e20df22a3fcdc42f8106df80a77f1c4c325b98c7e459a148199d39 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:11:21,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:11:21,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:11:21,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:11:21,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:11:21,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:11:21,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:11:21,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:11:21,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:11:21,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:11:21,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:11:21,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:11:21,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:11:21,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:11:21,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:11:21,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:11:21,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:11:21,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:11:21,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:11:21,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:11:21,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:11:21,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:11:21,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:11:21,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:11:21,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:11:21,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:11:21,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:11:21,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:11:21,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:11:21,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:11:21,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:11:21,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:11:21,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:11:21,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:11:21,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:11:21,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:11:21,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:11:21,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:11:21,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:11:21,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:11:21,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:11:21,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-07 02:11:21,261 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:11:21,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:11:21,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:11:21,262 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:11:21,263 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:11:21,263 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:11:21,263 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:11:21,263 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:11:21,264 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:11:21,264 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:11:21,264 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:11:21,264 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:11:21,265 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:11:21,265 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:11:21,265 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:11:21,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:11:21,266 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 02:11:21,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:11:21,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:11:21,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:11:21,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:11:21,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:11:21,267 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-07 02:11:21,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:11:21,268 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:11:21,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:11:21,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:11:21,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:11:21,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:11:21,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:11:21,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:11:21,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:11:21,270 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:11:21,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:11:21,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:11:21,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:11:21,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:11:21,271 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_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa5b18db61e20df22a3fcdc42f8106df80a77f1c4c325b98c7e459a148199d39 [2021-11-07 02:11:21,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:11:21,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:11:21,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:11:21,626 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:11:21,627 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:11:21,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i [2021-11-07 02:11:21,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/data/170d70231/a0fe0f184a6d4f13bba99defe1a30138/FLAGd01f32851 [2021-11-07 02:11:22,345 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:11:22,346 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i [2021-11-07 02:11:22,369 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/data/170d70231/a0fe0f184a6d4f13bba99defe1a30138/FLAGd01f32851 [2021-11-07 02:11:22,607 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/data/170d70231/a0fe0f184a6d4f13bba99defe1a30138 [2021-11-07 02:11:22,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:11:22,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:11:22,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:11:22,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:11:22,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:11:22,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:11:22" (1/1) ... [2021-11-07 02:11:22,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c5e6bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:22, skipping insertion in model container [2021-11-07 02:11:22,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:11:22" (1/1) ... [2021-11-07 02:11:22,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:11:22,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:11:22,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:11:23,001 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:11:23,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:11:23,092 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:11:23,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:23 WrapperNode [2021-11-07 02:11:23,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:11:23,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:11:23,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:11:23,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:11:23,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:23" (1/1) ... [2021-11-07 02:11:23,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:23" (1/1) ... [2021-11-07 02:11:23,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:11:23,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:11:23,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:11:23,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:11:23,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:23" (1/1) ... [2021-11-07 02:11:23,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:23" (1/1) ... [2021-11-07 02:11:23,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:23" (1/1) ... [2021-11-07 02:11:23,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:23" (1/1) ... [2021-11-07 02:11:23,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:23" (1/1) ... [2021-11-07 02:11:23,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:23" (1/1) ... [2021-11-07 02:11:23,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:23" (1/1) ... [2021-11-07 02:11:23,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:11:23,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:11:23,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:11:23,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:11:23,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:23" (1/1) ... [2021-11-07 02:11:23,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:11:23,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:11:23,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:11:23,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:11:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:11:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:11:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:11:23,494 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:11:23,494 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-07 02:11:23,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:11:23 BoogieIcfgContainer [2021-11-07 02:11:23,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:11:23,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:11:23,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:11:23,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:11:23,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:11:22" (1/3) ... [2021-11-07 02:11:23,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da4b264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:11:23, skipping insertion in model container [2021-11-07 02:11:23,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:23" (2/3) ... [2021-11-07 02:11:23,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da4b264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:11:23, skipping insertion in model container [2021-11-07 02:11:23,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:11:23" (3/3) ... [2021-11-07 02:11:23,525 INFO L111 eAbstractionObserver]: Analyzing ICFG IntegerPromotion-1.i [2021-11-07 02:11:23,531 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:11:23,531 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-07 02:11:23,588 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:11:23,597 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, mAutomataTypeConcurrency=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 [2021-11-07 02:11:23,597 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-07 02:11:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 5 states have (on average 1.8) internal successors, (9), 9 states have internal predecessors, (9), 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) [2021-11-07 02:11:23,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-07 02:11:23,620 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:11:23,621 INFO L513 BasicCegarLoop]: trace histogram [1, 1] [2021-11-07 02:11:23,622 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-11-07 02:11:23,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:11:23,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1429, now seen corresponding path program 1 times [2021-11-07 02:11:23,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:11:23,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798412875] [2021-11-07 02:11:23,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:11:23,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:11:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:11:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:11:23,844 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:11:23,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798412875] [2021-11-07 02:11:23,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798412875] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:11:23,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:11:23,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-07 02:11:23,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215758609] [2021-11-07 02:11:23,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:11:23,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:11:23,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:11:23,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:11:23,871 INFO L87 Difference]: Start difference. First operand has 10 states, 5 states have (on average 1.8) internal successors, (9), 9 states have internal predecessors, (9), 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 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-11-07 02:11:23,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:11:23,902 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2021-11-07 02:11:23,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:11:23,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2021-11-07 02:11:23,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:11:23,913 INFO L225 Difference]: With dead ends: 10 [2021-11-07 02:11:23,914 INFO L226 Difference]: Without dead ends: 7 [2021-11-07 02:11:23,916 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:11:23,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-11-07 02:11:23,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-11-07 02:11:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 6 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) [2021-11-07 02:11:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2021-11-07 02:11:23,955 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 2 [2021-11-07 02:11:23,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:11:23,955 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2021-11-07 02:11:23,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-11-07 02:11:23,956 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-11-07 02:11:23,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 02:11:23,957 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:11:23,958 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 02:11:23,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 02:11:23,959 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-11-07 02:11:23,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:11:23,965 INFO L85 PathProgramCache]: Analyzing trace with hash 44335, now seen corresponding path program 1 times [2021-11-07 02:11:23,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:11:23,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543032746] [2021-11-07 02:11:23,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:11:23,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:11:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:11:24,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:11:24,042 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:11:24,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543032746] [2021-11-07 02:11:24,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543032746] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:11:24,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:11:24,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-07 02:11:24,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181425222] [2021-11-07 02:11:24,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:11:24,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:11:24,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:11:24,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:11:24,049 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-07 02:11:24,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:11:24,060 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2021-11-07 02:11:24,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:11:24,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-07 02:11:24,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:11:24,062 INFO L225 Difference]: With dead ends: 7 [2021-11-07 02:11:24,062 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 02:11:24,063 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:11:24,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 02:11:24,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 02:11:24,064 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) [2021-11-07 02:11:24,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 02:11:24,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2021-11-07 02:11:24,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:11:24,066 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 02:11:24,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-07 02:11:24,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 02:11:24,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 02:11:24,070 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 02:11:24,071 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 02:11:24,071 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 02:11:24,072 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 02:11:24,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 02:11:24,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 02:11:24,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:11:24,088 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2021-11-07 02:11:24,089 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 02:11:24,090 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2021-11-07 02:11:24,093 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2021-11-07 02:11:24,094 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2021-11-07 02:11:24,097 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 02:11:24,097 INFO L857 garLoopResultBuilder]: For program point L333(line 333) no Hoare annotation was computed. [2021-11-07 02:11:24,097 INFO L857 garLoopResultBuilder]: For program point L333-1(line 333) no Hoare annotation was computed. [2021-11-07 02:11:24,097 INFO L857 garLoopResultBuilder]: For program point L333-2(line 333) no Hoare annotation was computed. [2021-11-07 02:11:24,099 INFO L853 garLoopResultBuilder]: At program point L333-3(line 333) the Hoare annotation is: (and (<= 32767 ULTIMATE.start_main_~a~0) (<= ULTIMATE.start_main_~a~0 32767)) [2021-11-07 02:11:24,102 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-07 02:11:24,104 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:11:24,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:11:24 BoogieIcfgContainer [2021-11-07 02:11:24,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:11:24,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:11:24,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:11:24,126 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:11:24,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:11:23" (3/4) ... [2021-11-07 02:11:24,130 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 02:11:24,141 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-07 02:11:24,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-07 02:11:24,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 02:11:24,190 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 02:11:24,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:11:24,193 INFO L168 Benchmark]: Toolchain (without parser) took 1567.79 ms. Allocated memory was 86.0 MB in the beginning and 123.7 MB in the end (delta: 37.7 MB). Free memory was 65.9 MB in the beginning and 58.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:11:24,193 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory is still 63.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:11:24,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.42 ms. Allocated memory was 86.0 MB in the beginning and 123.7 MB in the end (delta: 37.7 MB). Free memory was 65.8 MB in the beginning and 95.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:11:24,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.02 ms. Allocated memory is still 123.7 MB. Free memory was 95.3 MB in the beginning and 93.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:11:24,195 INFO L168 Benchmark]: Boogie Preprocessor took 18.97 ms. Allocated memory is still 123.7 MB. Free memory was 93.7 MB in the beginning and 92.8 MB in the end (delta: 875.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:11:24,196 INFO L168 Benchmark]: RCFGBuilder took 361.59 ms. Allocated memory is still 123.7 MB. Free memory was 92.8 MB in the beginning and 83.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:11:24,196 INFO L168 Benchmark]: TraceAbstraction took 609.09 ms. Allocated memory is still 123.7 MB. Free memory was 82.8 MB in the beginning and 60.1 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:11:24,197 INFO L168 Benchmark]: Witness Printer took 64.46 ms. Allocated memory is still 123.7 MB. Free memory was 60.1 MB in the beginning and 58.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:11:24,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory is still 63.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 467.42 ms. Allocated memory was 86.0 MB in the beginning and 123.7 MB in the end (delta: 37.7 MB). Free memory was 65.8 MB in the beginning and 95.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.02 ms. Allocated memory is still 123.7 MB. Free memory was 95.3 MB in the beginning and 93.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.97 ms. Allocated memory is still 123.7 MB. Free memory was 93.7 MB in the beginning and 92.8 MB in the end (delta: 875.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 361.59 ms. Allocated memory is still 123.7 MB. Free memory was 92.8 MB in the beginning and 83.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 609.09 ms. Allocated memory is still 123.7 MB. Free memory was 82.8 MB in the beginning and 60.1 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 64.46 ms. Allocated memory is still 123.7 MB. Free memory was 60.1 MB in the beginning and 58.0 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: 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, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 7 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 4 specifications checked. All of them hold - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 32767 <= a && a <= 32767 RESULT: Ultimate proved your program to be correct! [2021-11-07 02:11:24,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677efec-8f29-4c3a-a301-e111a77d5cbf/bin/utaipan-UUZaoUuFF8/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