./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Pure3Phase-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Pure3Phase-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/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 88d2ae3eac01d7d48b8ebf75d9fb678ae2179613 .................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:19:01,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:19:01,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:19:02,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:19:02,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:19:02,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:19:02,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:19:02,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:19:02,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:19:02,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:19:02,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:19:02,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:19:02,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:19:02,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:19:02,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:19:02,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:19:02,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:19:02,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:19:02,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:19:02,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:19:02,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:19:02,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:19:02,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:19:02,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:19:02,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:19:02,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:19:02,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:19:02,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:19:02,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:19:02,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:19:02,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:19:02,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:19:02,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:19:02,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:19:02,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:19:02,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:19:02,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:19:02,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:19:02,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:19:02,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:19:02,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:19:02,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-12-01 15:19:02,142 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:19:02,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:19:02,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:19:02,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:19:02,154 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:19:02,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:19:02,154 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:19:02,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:19:02,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:19:02,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:19:02,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:19:02,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:19:02,157 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 15:19:02,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:19:02,158 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:19:02,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:19:02,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:19:02,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:19:02,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:19:02,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:19:02,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:19:02,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:19:02,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:19:02,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:19:02,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:19:02,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:19:02,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:19:02,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:19:02,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88d2ae3eac01d7d48b8ebf75d9fb678ae2179613 [2020-12-01 15:19:02,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:19:02,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:19:02,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:19:02,605 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:19:02,609 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:19:02,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Pure3Phase-2.c [2020-12-01 15:19:02,726 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/uautomizer/data/54e6ff97d/5b6781d118dc4c4f989a274b382d56b3/FLAG365ba9926 [2020-12-01 15:19:03,394 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:19:03,396 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/sv-benchmarks/c/termination-crafted/Pure3Phase-2.c [2020-12-01 15:19:03,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/uautomizer/data/54e6ff97d/5b6781d118dc4c4f989a274b382d56b3/FLAG365ba9926 [2020-12-01 15:19:03,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/uautomizer/data/54e6ff97d/5b6781d118dc4c4f989a274b382d56b3 [2020-12-01 15:19:03,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:19:03,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:19:03,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:19:03,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:19:03,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:19:03,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:19:03" (1/1) ... [2020-12-01 15:19:03,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24be39f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:03, skipping insertion in model container [2020-12-01 15:19:03,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:19:03" (1/1) ... [2020-12-01 15:19:03,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:19:03,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:19:03,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:19:03,985 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:19:04,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:19:04,020 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:19:04,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:04 WrapperNode [2020-12-01 15:19:04,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:19:04,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:19:04,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:19:04,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:19:04,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:04" (1/1) ... [2020-12-01 15:19:04,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:04" (1/1) ... [2020-12-01 15:19:04,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:19:04,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:19:04,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:19:04,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:19:04,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:04" (1/1) ... [2020-12-01 15:19:04,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:04" (1/1) ... [2020-12-01 15:19:04,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:04" (1/1) ... [2020-12-01 15:19:04,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:04" (1/1) ... [2020-12-01 15:19:04,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:04" (1/1) ... [2020-12-01 15:19:04,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:04" (1/1) ... [2020-12-01 15:19:04,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:04" (1/1) ... [2020-12-01 15:19:04,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:19:04,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:19:04,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:19:04,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:19:04,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/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 [2020-12-01 15:19:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:19:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:19:04,511 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:19:04,513 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-01 15:19:04,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:19:04 BoogieIcfgContainer [2020-12-01 15:19:04,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:19:04,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:19:04,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:19:04,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:19:04,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:19:03" (1/3) ... [2020-12-01 15:19:04,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4187e5aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:19:04, skipping insertion in model container [2020-12-01 15:19:04,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:04" (2/3) ... [2020-12-01 15:19:04,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4187e5aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:19:04, skipping insertion in model container [2020-12-01 15:19:04,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:19:04" (3/3) ... [2020-12-01 15:19:04,536 INFO L111 eAbstractionObserver]: Analyzing ICFG Pure3Phase-2.c [2020-12-01 15:19:04,578 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:19:04,583 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-12-01 15:19:04,614 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-01 15:19:04,662 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:19:04,664 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:19:04,665 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:19:04,665 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:19:04,666 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:19:04,666 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:19:04,667 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:19:04,667 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:19:04,694 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-12-01 15:19:04,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 15:19:04,702 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:19:04,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-01 15:19:04,704 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:19:04,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:19:04,716 INFO L82 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times [2020-12-01 15:19:04,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:19:04,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825969090] [2020-12-01 15:19:04,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:19:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:19:04,876 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:19:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:19:04,912 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:19:04,936 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:19:04,937 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 15:19:04,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:19:04,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:19:04 BoogieIcfgContainer [2020-12-01 15:19:04,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:19:04,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:19:04,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:19:04,963 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:19:04,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:19:04" (3/4) ... [2020-12-01 15:19:04,966 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 15:19:05,026 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_425d2d39-085f-45ba-998f-8e6e5221ce02/bin/uautomizer/witness.graphml [2020-12-01 15:19:05,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:19:05,029 INFO L168 Benchmark]: Toolchain (without parser) took 1271.63 ms. Allocated memory is still 100.7 MB. Free memory was 62.5 MB in the beginning and 69.3 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:19:05,030 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 100.7 MB. Free memory is still 78.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:19:05,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.41 ms. Allocated memory is still 100.7 MB. Free memory was 62.3 MB in the beginning and 53.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:19:05,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.14 ms. Allocated memory is still 100.7 MB. Free memory was 53.8 MB in the beginning and 52.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:19:05,033 INFO L168 Benchmark]: Boogie Preprocessor took 25.25 ms. Allocated memory is still 100.7 MB. Free memory was 52.5 MB in the beginning and 51.6 MB in the end (delta: 883.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:19:05,034 INFO L168 Benchmark]: RCFGBuilder took 426.14 ms. Allocated memory is still 100.7 MB. Free memory was 51.5 MB in the beginning and 76.4 MB in the end (delta: -24.9 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:19:05,036 INFO L168 Benchmark]: TraceAbstraction took 437.54 ms. Allocated memory is still 100.7 MB. Free memory was 76.1 MB in the beginning and 70.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:19:05,037 INFO L168 Benchmark]: Witness Printer took 64.03 ms. Allocated memory is still 100.7 MB. Free memory was 70.9 MB in the beginning and 69.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:19:05,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 100.7 MB. Free memory is still 78.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 260.41 ms. Allocated memory is still 100.7 MB. Free memory was 62.3 MB in the beginning and 53.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.14 ms. Allocated memory is still 100.7 MB. Free memory was 53.8 MB in the beginning and 52.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.25 ms. Allocated memory is still 100.7 MB. Free memory was 52.5 MB in the beginning and 51.6 MB in the end (delta: 883.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 426.14 ms. Allocated memory is still 100.7 MB. Free memory was 51.5 MB in the beginning and 76.4 MB in the end (delta: -24.9 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 437.54 ms. Allocated memory is still 100.7 MB. Free memory was 76.1 MB in the beginning and 70.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. * Witness Printer took 64.03 ms. Allocated memory is still 100.7 MB. Free memory was 70.9 MB in the beginning and 69.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int x, y, z; [L20] x = __VERIFIER_nondet_int() [L21] y = __VERIFIER_nondet_int() [L22] z = __VERIFIER_nondet_int() [L23] COND TRUE x >= 0 [L24] COND FALSE !(__VERIFIER_nondet_int() != 0) [L27] x + z - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...