./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan --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 2227825b094336cea9cd81768b48348a309a725b ................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:43:55,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:43:55,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:43:55,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:43:55,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:43:55,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:43:55,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:43:55,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:43:55,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:43:55,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:43:55,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:43:55,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:43:55,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:43:55,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:43:55,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:43:55,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:43:55,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:43:55,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:43:55,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:43:55,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:43:55,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:43:55,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:43:55,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:43:55,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:43:55,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:43:55,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:43:55,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:43:55,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:43:55,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:43:55,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:43:55,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:43:55,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:43:55,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:43:55,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:43:55,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:43:55,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:43:55,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:43:55,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:43:55,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:43:55,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:43:55,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:43:55,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2020-11-30 01:43:55,245 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:43:55,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:43:55,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:43:55,246 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:43:55,247 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:43:55,247 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:43:55,247 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 01:43:55,247 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:43:55,248 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:43:55,248 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 01:43:55,248 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 01:43:55,248 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:43:55,248 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 01:43:55,249 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 01:43:55,249 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 01:43:55,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:43:55,250 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:43:55,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:43:55,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:43:55,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:43:55,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:43:55,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:43:55,251 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 01:43:55,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:43:55,252 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:43:55,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:43:55,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:43:55,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:43:55,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:43:55,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:43:55,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:43:55,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:43:55,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:43:55,254 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 01:43:55,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:43:55,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:43:55,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:43:55,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:43:55,255 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-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2227825b094336cea9cd81768b48348a309a725b [2020-11-30 01:43:55,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:43:55,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:43:55,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:43:55,645 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:43:55,648 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:43:55,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c [2020-11-30 01:43:55,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan/data/34d37e891/3e99c3ebcbfb45a79510866ae029f24a/FLAG8fd6e6578 [2020-11-30 01:43:56,255 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:43:56,256 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c [2020-11-30 01:43:56,269 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan/data/34d37e891/3e99c3ebcbfb45a79510866ae029f24a/FLAG8fd6e6578 [2020-11-30 01:43:56,629 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan/data/34d37e891/3e99c3ebcbfb45a79510866ae029f24a [2020-11-30 01:43:56,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:43:56,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:43:56,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:43:56,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:43:56,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:43:56,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:43:56" (1/1) ... [2020-11-30 01:43:56,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636ba7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:43:56, skipping insertion in model container [2020-11-30 01:43:56,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:43:56" (1/1) ... [2020-11-30 01:43:56,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:43:56,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:43:56,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:43:56,922 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:43:56,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:43:56,957 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:43:56,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:43:56 WrapperNode [2020-11-30 01:43:56,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:43:56,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:43:56,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:43:56,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:43:56,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:43:56" (1/1) ... [2020-11-30 01:43:56,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:43:56" (1/1) ... [2020-11-30 01:43:56,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:43:57,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:43:57,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:43:57,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:43:57,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:43:56" (1/1) ... [2020-11-30 01:43:57,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:43:56" (1/1) ... [2020-11-30 01:43:57,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:43:56" (1/1) ... [2020-11-30 01:43:57,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:43:56" (1/1) ... [2020-11-30 01:43:57,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:43:56" (1/1) ... [2020-11-30 01:43:57,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:43:56" (1/1) ... [2020-11-30 01:43:57,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:43:56" (1/1) ... [2020-11-30 01:43:57,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:43:57,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:43:57,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:43:57,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:43:57,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:43:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:43:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:43:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:43:57,417 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:43:57,417 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-30 01:43:57,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:43:57 BoogieIcfgContainer [2020-11-30 01:43:57,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:43:57,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:43:57,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:43:57,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:43:57,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:43:56" (1/3) ... [2020-11-30 01:43:57,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a37bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:43:57, skipping insertion in model container [2020-11-30 01:43:57,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:43:56" (2/3) ... [2020-11-30 01:43:57,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a37bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:43:57, skipping insertion in model container [2020-11-30 01:43:57,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:43:57" (3/3) ... [2020-11-30 01:43:57,433 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-terminate.c [2020-11-30 01:43:57,445 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:43:57,448 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-30 01:43:57,461 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-30 01:43:57,496 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:43:57,497 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:43:57,497 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:43:57,497 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:43:57,497 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:43:57,497 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:43:57,498 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:43:57,498 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:43:57,516 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-11-30 01:43:57,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-30 01:43:57,523 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:43:57,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-30 01:43:57,525 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:43:57,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:43:57,533 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2020-11-30 01:43:57,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:43:57,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578049520] [2020-11-30 01:43:57,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:43:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:43:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:43:57,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578049520] [2020-11-30 01:43:57,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:43:57,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:43:57,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062340340] [2020-11-30 01:43:57,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:43:57,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:43:57,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:43:57,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:43:57,839 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2020-11-30 01:43:57,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:43:57,895 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2020-11-30 01:43:57,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:43:57,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-30 01:43:57,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:43:57,910 INFO L225 Difference]: With dead ends: 13 [2020-11-30 01:43:57,910 INFO L226 Difference]: Without dead ends: 10 [2020-11-30 01:43:57,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:43:57,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-11-30 01:43:57,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2020-11-30 01:43:57,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-30 01:43:57,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-11-30 01:43:57,959 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 3 [2020-11-30 01:43:57,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:43:57,960 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2020-11-30 01:43:57,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:43:57,960 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-11-30 01:43:57,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 01:43:57,960 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:43:57,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-30 01:43:57,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:43:57,961 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:43:57,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:43:57,965 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2020-11-30 01:43:57,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:43:57,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012554611] [2020-11-30 01:43:57,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:43:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:43:58,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:43:58,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012554611] [2020-11-30 01:43:58,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:43:58,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:43:58,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407360686] [2020-11-30 01:43:58,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:43:58,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:43:58,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:43:58,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:43:58,050 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2020-11-30 01:43:58,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:43:58,095 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2020-11-30 01:43:58,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:43:58,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-11-30 01:43:58,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:43:58,097 INFO L225 Difference]: With dead ends: 18 [2020-11-30 01:43:58,097 INFO L226 Difference]: Without dead ends: 17 [2020-11-30 01:43:58,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:43:58,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-30 01:43:58,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2020-11-30 01:43:58,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-30 01:43:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2020-11-30 01:43:58,102 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 4 [2020-11-30 01:43:58,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:43:58,103 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2020-11-30 01:43:58,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:43:58,103 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2020-11-30 01:43:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 01:43:58,104 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:43:58,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-30 01:43:58,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:43:58,104 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:43:58,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:43:58,105 INFO L82 PathProgramCache]: Analyzing trace with hash 29862563, now seen corresponding path program 1 times [2020-11-30 01:43:58,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:43:58,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939102998] [2020-11-30 01:43:58,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:43:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:43:58,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:43:58,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939102998] [2020-11-30 01:43:58,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:43:58,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-30 01:43:58,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814600471] [2020-11-30 01:43:58,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:43:58,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:43:58,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:43:58,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:43:58,137 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2020-11-30 01:43:58,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:43:58,157 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2020-11-30 01:43:58,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:43:58,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-30 01:43:58,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:43:58,158 INFO L225 Difference]: With dead ends: 12 [2020-11-30 01:43:58,158 INFO L226 Difference]: Without dead ends: 11 [2020-11-30 01:43:58,159 INFO L677 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 [2020-11-30 01:43:58,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-11-30 01:43:58,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-11-30 01:43:58,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-30 01:43:58,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-30 01:43:58,162 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 5 [2020-11-30 01:43:58,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:43:58,163 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2020-11-30 01:43:58,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:43:58,163 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-30 01:43:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 01:43:58,163 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:43:58,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:43:58,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:43:58,164 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:43:58,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:43:58,164 INFO L82 PathProgramCache]: Analyzing trace with hash 925739501, now seen corresponding path program 1 times [2020-11-30 01:43:58,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:43:58,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361171847] [2020-11-30 01:43:58,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:43:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:43:58,180 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:43:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:43:58,191 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:43:58,216 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-30 01:43:58,216 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:43:58,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:43:58,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:43:58 BoogieIcfgContainer [2020-11-30 01:43:58,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:43:58,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:43:58,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:43:58,242 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:43:58,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:43:57" (3/4) ... [2020-11-30 01:43:58,244 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 01:43:58,295 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5269280b-bfa1-4c8f-9f85-7d545612b1dd/bin/utaipan/witness.graphml [2020-11-30 01:43:58,295 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:43:58,297 INFO L168 Benchmark]: Toolchain (without parser) took 1663.81 ms. Allocated memory is still 94.4 MB. Free memory was 64.2 MB in the beginning and 29.0 MB in the end (delta: 35.1 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:43:58,300 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory was 32.8 MB in the beginning and 32.8 MB in the end (delta: 37.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:43:58,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.33 ms. Allocated memory is still 94.4 MB. Free memory was 63.9 MB in the beginning and 72.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:43:58,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.66 ms. Allocated memory is still 94.4 MB. Free memory was 72.9 MB in the beginning and 71.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:43:58,305 INFO L168 Benchmark]: Boogie Preprocessor took 28.17 ms. Allocated memory is still 94.4 MB. Free memory was 71.9 MB in the beginning and 70.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:43:58,305 INFO L168 Benchmark]: RCFGBuilder took 390.70 ms. Allocated memory is still 94.4 MB. Free memory was 70.9 MB in the beginning and 60.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:43:58,305 INFO L168 Benchmark]: TraceAbstraction took 819.50 ms. Allocated memory is still 94.4 MB. Free memory was 59.8 MB in the beginning and 31.0 MB in the end (delta: 28.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:43:58,306 INFO L168 Benchmark]: Witness Printer took 54.10 ms. Allocated memory is still 94.4 MB. Free memory was 31.0 MB in the beginning and 29.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:43:58,308 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory was 32.8 MB in the beginning and 32.8 MB in the end (delta: 37.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 325.33 ms. Allocated memory is still 94.4 MB. Free memory was 63.9 MB in the beginning and 72.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.66 ms. Allocated memory is still 94.4 MB. Free memory was 72.9 MB in the beginning and 71.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.17 ms. Allocated memory is still 94.4 MB. Free memory was 71.9 MB in the beginning and 70.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 390.70 ms. Allocated memory is still 94.4 MB. Free memory was 70.9 MB in the beginning and 60.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 819.50 ms. Allocated memory is still 94.4 MB. Free memory was 59.8 MB in the beginning and 31.0 MB in the end (delta: 28.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 54.10 ms. Allocated memory is still 94.4 MB. Free memory was 31.0 MB in the beginning and 29.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, j, k, ell; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] k = __VERIFIER_nondet_int() [L18] COND TRUE i <= 100 && j <= k [L19] ell = i [L20] i = j [L21] EXPR ell + 1 [L21] j = ell + 1 [L22] k - 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 16 SDslu, 10 SDs, 0 SdLazy, 20 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 101 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...