./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.19_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d5d9ae0-2643-4df0-82a8-20df74586b35/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d5d9ae0-2643-4df0-82a8-20df74586b35/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d5d9ae0-2643-4df0-82a8-20df74586b35/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d5d9ae0-2643-4df0-82a8-20df74586b35/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.19_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6d5d9ae0-2643-4df0-82a8-20df74586b35/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d5d9ae0-2643-4df0-82a8-20df74586b35/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 186afc226ec09e456a7582c6eb5c6cc29b5b0386 ............................................................................................................................................................................................................................. 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 0.1.23-5842f4b [2018-11-18 12:55:03,198 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:55:03,199 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:55:03,206 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:55:03,206 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:55:03,207 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:55:03,207 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:55:03,208 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:55:03,209 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:55:03,210 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:55:03,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:55:03,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:55:03,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:55:03,212 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:55:03,213 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:55:03,214 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:55:03,214 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:55:03,215 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:55:03,217 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:55:03,218 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:55:03,218 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:55:03,219 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:55:03,221 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:55:03,221 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:55:03,221 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:55:03,222 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:55:03,222 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:55:03,223 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:55:03,223 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:55:03,224 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:55:03,224 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:55:03,225 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:55:03,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:55:03,225 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:55:03,226 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:55:03,226 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:55:03,226 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d5d9ae0-2643-4df0-82a8-20df74586b35/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-18 12:55:03,235 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:55:03,235 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:55:03,236 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:55:03,236 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:55:03,237 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:55:03,237 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:55:03,237 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:55:03,237 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:55:03,237 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:55:03,237 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:55:03,237 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:55:03,238 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:55:03,238 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:55:03,238 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:55:03,238 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 12:55:03,238 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:55:03,238 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:55:03,238 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:55:03,238 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:55:03,239 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:55:03,239 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:55:03,239 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:55:03,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:55:03,239 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:55:03,239 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:55:03,239 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:55:03,239 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:55:03,240 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:55:03,240 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:55:03,240 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_6d5d9ae0-2643-4df0-82a8-20df74586b35/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 -> 186afc226ec09e456a7582c6eb5c6cc29b5b0386 [2018-11-18 12:55:03,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:55:03,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:55:03,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:55:03,274 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:55:03,274 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:55:03,274 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d5d9ae0-2643-4df0-82a8-20df74586b35/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.19_false-no-overflow.c [2018-11-18 12:55:03,311 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d5d9ae0-2643-4df0-82a8-20df74586b35/bin-2019/uautomizer/data/8af5afc82/64da1027d1de44c48a5585256ec814d4/FLAG221f40bec [2018-11-18 12:55:03,726 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:55:03,727 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d5d9ae0-2643-4df0-82a8-20df74586b35/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.19_false-no-overflow.c [2018-11-18 12:55:03,732 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d5d9ae0-2643-4df0-82a8-20df74586b35/bin-2019/uautomizer/data/8af5afc82/64da1027d1de44c48a5585256ec814d4/FLAG221f40bec [2018-11-18 12:55:03,742 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d5d9ae0-2643-4df0-82a8-20df74586b35/bin-2019/uautomizer/data/8af5afc82/64da1027d1de44c48a5585256ec814d4 [2018-11-18 12:55:03,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:55:03,745 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:55:03,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:55:03,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:55:03,748 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:55:03,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:55:03" (1/1) ... [2018-11-18 12:55:03,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4546e68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:03, skipping insertion in model container [2018-11-18 12:55:03,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:55:03" (1/1) ... [2018-11-18 12:55:03,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:55:03,772 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:55:03,888 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:55:03,890 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:55:03,899 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:55:03,910 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:55:03,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:03 WrapperNode [2018-11-18 12:55:03,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:55:03,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:55:03,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:55:03,911 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:55:03,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:03" (1/1) ... [2018-11-18 12:55:03,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:03" (1/1) ... [2018-11-18 12:55:03,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:03" (1/1) ... [2018-11-18 12:55:03,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:03" (1/1) ... [2018-11-18 12:55:03,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:03" (1/1) ... [2018-11-18 12:55:03,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:03" (1/1) ... [2018-11-18 12:55:03,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:03" (1/1) ... [2018-11-18 12:55:03,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:55:03,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:55:03,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:55:03,931 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:55:03,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d5d9ae0-2643-4df0-82a8-20df74586b35/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 [2018-11-18 12:55:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:55:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:55:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:55:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 12:55:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:55:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:55:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:55:04,089 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:55:04,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:55:04 BoogieIcfgContainer [2018-11-18 12:55:04,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:55:04,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:55:04,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:55:04,093 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:55:04,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:55:03" (1/3) ... [2018-11-18 12:55:04,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640728d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:55:04, skipping insertion in model container [2018-11-18 12:55:04,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:03" (2/3) ... [2018-11-18 12:55:04,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640728d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:55:04, skipping insertion in model container [2018-11-18 12:55:04,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:55:04" (3/3) ... [2018-11-18 12:55:04,095 INFO L112 eAbstractionObserver]: Analyzing ICFG ChenFlurMukhopadhyay-SAS2012-Ex2.19_false-no-overflow.c [2018-11-18 12:55:04,101 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:55:04,106 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-18 12:55:04,115 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-18 12:55:04,132 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:55:04,133 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:55:04,133 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:55:04,133 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:55:04,133 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:55:04,133 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:55:04,133 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:55:04,134 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:55:04,134 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:55:04,144 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-11-18 12:55:04,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 12:55:04,148 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:55:04,148 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:55:04,150 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:55:04,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:55:04,154 INFO L82 PathProgramCache]: Analyzing trace with hash 109650244, now seen corresponding path program 1 times [2018-11-18 12:55:04,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:55:04,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:55:04,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:55:04,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:55:04,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:55:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:55:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:55:04,238 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 12:55:04,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:55:04 BoogieIcfgContainer [2018-11-18 12:55:04,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:55:04,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:55:04,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:55:04,252 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:55:04,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:55:04" (3/4) ... [2018-11-18 12:55:04,254 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 12:55:04,283 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6d5d9ae0-2643-4df0-82a8-20df74586b35/bin-2019/uautomizer/witness.graphml [2018-11-18 12:55:04,283 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:55:04,284 INFO L168 Benchmark]: Toolchain (without parser) took 539.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:55:04,285 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:55:04,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.23 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:55:04,285 INFO L168 Benchmark]: Boogie Preprocessor took 19.56 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:55:04,286 INFO L168 Benchmark]: RCFGBuilder took 158.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -196.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:55:04,286 INFO L168 Benchmark]: TraceAbstraction took 161.49 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:55:04,286 INFO L168 Benchmark]: Witness Printer took 31.26 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. [2018-11-18 12:55:04,288 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 165.23 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.56 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 158.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -196.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 161.49 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Witness Printer took 31.26 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: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] x + y VAL [x=2147483646, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 6 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...