./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f75d3b0df88aa6cba3575b396148d07555139dde ........................................................................................................................................................................................................................................................................................................................................................ 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 0.1.23-0cd3be1 [2018-11-28 11:43:23,195 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:43:23,197 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:43:23,204 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:43:23,204 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:43:23,205 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:43:23,205 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:43:23,207 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:43:23,208 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:43:23,208 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:43:23,209 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:43:23,209 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:43:23,210 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:43:23,210 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:43:23,211 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:43:23,212 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:43:23,212 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:43:23,214 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:43:23,215 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:43:23,216 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:43:23,217 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:43:23,218 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:43:23,219 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:43:23,220 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:43:23,220 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:43:23,220 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:43:23,221 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:43:23,222 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:43:23,222 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:43:23,223 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:43:23,223 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:43:23,224 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:43:23,224 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:43:23,224 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:43:23,225 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:43:23,225 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:43:23,226 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-28 11:43:23,236 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:43:23,236 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:43:23,237 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:43:23,237 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:43:23,237 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:43:23,237 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:43:23,238 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:43:23,238 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:43:23,238 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:43:23,238 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:43:23,238 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:43:23,238 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:43:23,238 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:43:23,239 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:43:23,239 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-28 11:43:23,239 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:43:23,239 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:43:23,239 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:43:23,239 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:43:23,239 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:43:23,240 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:43:23,240 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:43:23,240 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:43:23,240 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:43:23,240 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:43:23,240 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:43:23,241 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:43:23,241 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:43:23,241 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:43:23,241 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/bin-2019/uautomizer 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 -> Automizer 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 -> f75d3b0df88aa6cba3575b396148d07555139dde [2018-11-28 11:43:23,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:43:23,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:43:23,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:43:23,279 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:43:23,279 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:43:23,280 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini_false-no-overflow.c [2018-11-28 11:43:23,325 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/bin-2019/uautomizer/data/a376ff5cb/683310eb6a2f4054a44c1190a9902b59/FLAG6284f0b4b [2018-11-28 11:43:23,613 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:43:23,614 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini_false-no-overflow.c [2018-11-28 11:43:23,619 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/bin-2019/uautomizer/data/a376ff5cb/683310eb6a2f4054a44c1190a9902b59/FLAG6284f0b4b [2018-11-28 11:43:23,628 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/bin-2019/uautomizer/data/a376ff5cb/683310eb6a2f4054a44c1190a9902b59 [2018-11-28 11:43:23,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:43:23,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:43:23,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:43:23,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:43:23,634 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:43:23,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:23" (1/1) ... [2018-11-28 11:43:23,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e63e29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23, skipping insertion in model container [2018-11-28 11:43:23,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:23" (1/1) ... [2018-11-28 11:43:23,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:43:23,651 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:43:23,752 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:43:23,755 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:43:23,766 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:43:23,777 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:43:23,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23 WrapperNode [2018-11-28 11:43:23,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:43:23,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:43:23,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:43:23,778 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:43:23,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2018-11-28 11:43:23,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2018-11-28 11:43:23,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:43:23,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:43:23,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:43:23,792 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:43:23,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2018-11-28 11:43:23,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2018-11-28 11:43:23,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2018-11-28 11:43:23,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2018-11-28 11:43:23,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2018-11-28 11:43:23,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2018-11-28 11:43:23,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... [2018-11-28 11:43:23,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:43:23,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:43:23,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:43:23,805 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:43:23,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/bin-2019/uautomizer/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 [2018-11-28 11:43:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:43:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:43:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:43:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:43:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:43:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:43:23,968 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:43:23,968 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 11:43:23,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:23 BoogieIcfgContainer [2018-11-28 11:43:23,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:43:23,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:43:23,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:43:23,972 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:43:23,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:43:23" (1/3) ... [2018-11-28 11:43:23,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7abee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:43:23, skipping insertion in model container [2018-11-28 11:43:23,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:23" (2/3) ... [2018-11-28 11:43:23,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7abee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:43:23, skipping insertion in model container [2018-11-28 11:43:23,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:23" (3/3) ... [2018-11-28 11:43:23,975 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-exmini_false-no-overflow.c [2018-11-28 11:43:23,982 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:43:23,988 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-28 11:43:24,001 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-28 11:43:24,025 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:43:24,026 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:43:24,026 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:43:24,026 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:43:24,026 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:43:24,026 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:43:24,026 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:43:24,026 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:43:24,026 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:43:24,040 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-28 11:43:24,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-28 11:43:24,045 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:24,046 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:24,047 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:43:24,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:24,053 INFO L82 PathProgramCache]: Analyzing trace with hash -37667266, now seen corresponding path program 1 times [2018-11-28 11:43:24,054 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:24,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:24,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:24,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:24,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:24,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:43:24,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:24,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:43:24,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:43:24,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:43:24,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:43:24,179 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2018-11-28 11:43:24,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:24,202 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2018-11-28 11:43:24,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:43:24,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-28 11:43:24,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:24,208 INFO L225 Difference]: With dead ends: 28 [2018-11-28 11:43:24,208 INFO L226 Difference]: Without dead ends: 14 [2018-11-28 11:43:24,210 INFO L631 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 [2018-11-28 11:43:24,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-28 11:43:24,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2018-11-28 11:43:24,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-28 11:43:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-11-28 11:43:24,231 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 7 [2018-11-28 11:43:24,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:24,231 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-11-28 11:43:24,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:43:24,231 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-11-28 11:43:24,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-28 11:43:24,231 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:24,232 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:24,232 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:43:24,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:24,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1167685199, now seen corresponding path program 1 times [2018-11-28 11:43:24,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:24,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:24,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:24,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:24,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:43:24,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:24,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:43:24,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:43:24,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:43:24,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:43:24,270 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 4 states. [2018-11-28 11:43:24,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:24,311 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-11-28 11:43:24,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:43:24,311 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-28 11:43:24,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:24,312 INFO L225 Difference]: With dead ends: 22 [2018-11-28 11:43:24,312 INFO L226 Difference]: Without dead ends: 21 [2018-11-28 11:43:24,313 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:43:24,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-11-28 11:43:24,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 16. [2018-11-28 11:43:24,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-28 11:43:24,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-11-28 11:43:24,315 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 8 [2018-11-28 11:43:24,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:24,316 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-11-28 11:43:24,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:43:24,316 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-11-28 11:43:24,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 11:43:24,316 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:24,316 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:24,316 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:43:24,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:24,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1838502752, now seen corresponding path program 1 times [2018-11-28 11:43:24,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:24,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:24,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:24,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:24,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:43:24,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:24,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:43:24,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:43:24,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:43:24,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:43:24,344 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 3 states. [2018-11-28 11:43:24,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:24,351 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-11-28 11:43:24,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:43:24,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-28 11:43:24,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:24,352 INFO L225 Difference]: With dead ends: 16 [2018-11-28 11:43:24,352 INFO L226 Difference]: Without dead ends: 15 [2018-11-28 11:43:24,353 INFO L631 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 [2018-11-28 11:43:24,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-11-28 11:43:24,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-28 11:43:24,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-28 11:43:24,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-11-28 11:43:24,356 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 9 [2018-11-28 11:43:24,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:24,356 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-11-28 11:43:24,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:43:24,356 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-28 11:43:24,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 11:43:24,357 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:24,357 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:24,357 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:43:24,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:24,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1159010413, now seen corresponding path program 1 times [2018-11-28 11:43:24,357 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:24,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:24,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:24,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:24,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:43:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:43:24,382 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:43:24,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:43:24 BoogieIcfgContainer [2018-11-28 11:43:24,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:43:24,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:43:24,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:43:24,397 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:43:24,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:23" (3/4) ... [2018-11-28 11:43:24,399 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 11:43:24,423 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6d198dd7-06b0-48cc-aad1-1f2e00b20d7b/bin-2019/uautomizer/witness.graphml [2018-11-28 11:43:24,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:43:24,423 INFO L168 Benchmark]: Toolchain (without parser) took 793.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -120.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:43:24,424 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:43:24,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.88 ms. Allocated memory is still 1.0 GB. Free memory was 956.7 MB in the beginning and 945.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:43:24,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.58 ms. Allocated memory is still 1.0 GB. Free memory is still 945.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:43:24,425 INFO L168 Benchmark]: Boogie Preprocessor took 12.73 ms. Allocated memory is still 1.0 GB. Free memory is still 945.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:43:24,425 INFO L168 Benchmark]: RCFGBuilder took 164.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:43:24,426 INFO L168 Benchmark]: TraceAbstraction took 426.98 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: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:43:24,426 INFO L168 Benchmark]: Witness Printer took 26.28 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. [2018-11-28 11:43:24,428 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 146.88 ms. Allocated memory is still 1.0 GB. Free memory was 956.7 MB in the beginning and 945.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.58 ms. Allocated memory is still 1.0 GB. Free memory is still 945.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.73 ms. Allocated memory is still 1.0 GB. Free memory is still 945.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 164.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 426.98 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: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. * Witness Printer took 26.28 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, j, k, tmp; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] k = __VERIFIER_nondet_int() [L18] tmp = __VERIFIER_nondet_int() [L19] COND TRUE i <= 100 && j <= k [L20] tmp = i [L21] i = j VAL [i=-2147483648, j=-2147483648, k=-2147483648, tmp=0] [L22] EXPR tmp + 1 [L22] j = tmp + 1 VAL [i=-2147483648, j=1, k=-2147483648, tmp=0] [L23] k - 1 VAL [i=-2147483648, j=1, k=-2147483648, tmp=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 19 locations, 4 error locations. UNSAFE Result, 0.3s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 38 SDtfs, 18 SDslu, 31 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 309 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...