./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/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 0.1.24-6b5699a [2019-11-26 02:42:19,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:42:19,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:42:19,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:42:19,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:42:19,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:42:19,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:42:19,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:42:19,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:42:19,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:42:19,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:42:19,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:42:19,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:42:19,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:42:19,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:42:19,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:42:19,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:42:19,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:42:19,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:42:19,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:42:19,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:42:19,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:42:19,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:42:19,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:42:19,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:42:19,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:42:19,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:42:19,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:42:19,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:42:19,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:42:19,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:42:19,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:42:19,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:42:19,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:42:19,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:42:19,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:42:19,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:42:19,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:42:19,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:42:19,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:42:19,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:42:19,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2019-11-26 02:42:19,370 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:42:19,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:42:19,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:42:19,371 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:42:19,371 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:42:19,371 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:42:19,371 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:42:19,371 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:42:19,372 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:42:19,372 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:42:19,372 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:42:19,372 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:42:19,372 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:42:19,372 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:42:19,373 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:42:19,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:42:19,373 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:42:19,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:42:19,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:42:19,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:42:19,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:42:19,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:42:19,374 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:42:19,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:42:19,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:42:19,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:42:19,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:42:19,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:42:19,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:42:19,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:42:19,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:42:19,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:42:19,376 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:42:19,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:42:19,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:42:19,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:42:19,377 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/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 [2019-11-26 02:42:19,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:42:19,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:42:19,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:42:19,523 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:42:19,524 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:42:19,524 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/bin/utaipan/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c [2019-11-26 02:42:19,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/bin/utaipan/data/9effd97b7/dd655f45541d408c9bf7fcd3024c6659/FLAGfb0b6a5f5 [2019-11-26 02:42:19,969 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:42:19,969 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c [2019-11-26 02:42:19,975 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/bin/utaipan/data/9effd97b7/dd655f45541d408c9bf7fcd3024c6659/FLAGfb0b6a5f5 [2019-11-26 02:42:20,422 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/bin/utaipan/data/9effd97b7/dd655f45541d408c9bf7fcd3024c6659 [2019-11-26 02:42:20,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:42:20,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:42:20,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:42:20,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:42:20,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:42:20,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ff7129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20, skipping insertion in model container [2019-11-26 02:42:20,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:42:20,458 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:42:20,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:42:20,642 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:42:20,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:42:20,731 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:42:20,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20 WrapperNode [2019-11-26 02:42:20,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:42:20,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:42:20,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:42:20,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:42:20,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:42:20,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:42:20,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:42:20,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:42:20,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:42:20,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:42:20,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:42:20,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:42:20,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/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 [2019-11-26 02:42:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:42:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:42:21,042 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:42:21,042 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:42:21,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:42:21 BoogieIcfgContainer [2019-11-26 02:42:21,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:42:21,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:42:21,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:42:21,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:42:21,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:42:20" (1/3) ... [2019-11-26 02:42:21,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f55d42a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:42:21, skipping insertion in model container [2019-11-26 02:42:21,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (2/3) ... [2019-11-26 02:42:21,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f55d42a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:42:21, skipping insertion in model container [2019-11-26 02:42:21,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:42:21" (3/3) ... [2019-11-26 02:42:21,050 INFO L109 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-terminate.c [2019-11-26 02:42:21,058 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:42:21,064 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-26 02:42:21,090 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-26 02:42:21,120 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:42:21,129 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:42:21,129 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:42:21,129 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:42:21,129 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:42:21,129 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:42:21,130 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:42:21,130 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:42:21,150 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-11-26 02:42:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-26 02:42:21,156 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:42:21,156 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-26 02:42:21,157 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-26 02:42:21,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:42:21,162 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2019-11-26 02:42:21,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:42:21,171 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628995497] [2019-11-26 02:42:21,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:42:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:42:21,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:42:21,288 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628995497] [2019-11-26 02:42:21,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:42:21,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:42:21,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242594338] [2019-11-26 02:42:21,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:42:21,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:42:21,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:42:21,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:42:21,304 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-11-26 02:42:21,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:42:21,326 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2019-11-26 02:42:21,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:42:21,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-11-26 02:42:21,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:42:21,337 INFO L225 Difference]: With dead ends: 13 [2019-11-26 02:42:21,337 INFO L226 Difference]: Without dead ends: 10 [2019-11-26 02:42:21,339 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:42:21,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-26 02:42:21,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2019-11-26 02:42:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-26 02:42:21,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-11-26 02:42:21,365 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 3 [2019-11-26 02:42:21,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:42:21,365 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-26 02:42:21,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:42:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-26 02:42:21,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:42:21,366 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:42:21,366 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-26 02:42:21,366 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-26 02:42:21,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:42:21,367 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2019-11-26 02:42:21,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:42:21,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023771278] [2019-11-26 02:42:21,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:42:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:42:21,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:42:21,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023771278] [2019-11-26 02:42:21,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:42:21,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:42:21,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824391734] [2019-11-26 02:42:21,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:42:21,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:42:21,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:42:21,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:42:21,409 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2019-11-26 02:42:21,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:42:21,440 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-11-26 02:42:21,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:42:21,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-26 02:42:21,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:42:21,441 INFO L225 Difference]: With dead ends: 18 [2019-11-26 02:42:21,441 INFO L226 Difference]: Without dead ends: 17 [2019-11-26 02:42:21,442 INFO L630 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 [2019-11-26 02:42:21,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-26 02:42:21,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2019-11-26 02:42:21,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-26 02:42:21,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-11-26 02:42:21,445 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 4 [2019-11-26 02:42:21,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:42:21,446 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-11-26 02:42:21,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:42:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-11-26 02:42:21,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:42:21,446 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:42:21,446 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-26 02:42:21,447 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-26 02:42:21,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:42:21,447 INFO L82 PathProgramCache]: Analyzing trace with hash 29862563, now seen corresponding path program 1 times [2019-11-26 02:42:21,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:42:21,448 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620843755] [2019-11-26 02:42:21,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:42:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:42:21,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:42:21,471 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620843755] [2019-11-26 02:42:21,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:42:21,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-26 02:42:21,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512991121] [2019-11-26 02:42:21,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:42:21,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:42:21,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:42:21,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:42:21,473 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2019-11-26 02:42:21,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:42:21,486 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-11-26 02:42:21,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:42:21,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-26 02:42:21,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:42:21,487 INFO L225 Difference]: With dead ends: 12 [2019-11-26 02:42:21,487 INFO L226 Difference]: Without dead ends: 11 [2019-11-26 02:42:21,488 INFO L630 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 [2019-11-26 02:42:21,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-26 02:42:21,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-26 02:42:21,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-26 02:42:21,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-11-26 02:42:21,491 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 5 [2019-11-26 02:42:21,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:42:21,491 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-11-26 02:42:21,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:42:21,492 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-11-26 02:42:21,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:42:21,492 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:42:21,492 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-26 02:42:21,492 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-26 02:42:21,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:42:21,493 INFO L82 PathProgramCache]: Analyzing trace with hash 925739501, now seen corresponding path program 1 times [2019-11-26 02:42:21,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:42:21,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171127998] [2019-11-26 02:42:21,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:42:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:42:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:42:21,537 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:42:21,537 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:42:21,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:42:21 BoogieIcfgContainer [2019-11-26 02:42:21,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:42:21,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:42:21,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:42:21,552 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:42:21,552 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:42:21" (3/4) ... [2019-11-26 02:42:21,554 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:42:21,592 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a0cef4ec-58b8-42cc-b4b2-9ba5ccf4c98d/bin/utaipan/witness.graphml [2019-11-26 02:42:21,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:42:21,594 INFO L168 Benchmark]: Toolchain (without parser) took 1168.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:21,595 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:42:21,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -221.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:21,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:42:21,596 INFO L168 Benchmark]: Boogie Preprocessor took 20.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:21,597 INFO L168 Benchmark]: RCFGBuilder took 259.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:21,597 INFO L168 Benchmark]: TraceAbstraction took 507.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:21,598 INFO L168 Benchmark]: Witness Printer took 40.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:42:21,603 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 306.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -221.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 259.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 507.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Witness Printer took 40.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 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. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 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, 0.0s 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, 0.0s 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...