./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/jain_6-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/jain_6-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/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 32bit --witnessprinter.graph.data.programhash d5b7f4d55b02d12e73a22706afa0c236c1fae680 ...................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:35:19,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:35:19,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:35:19,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:35:19,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:35:19,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:35:20,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:35:20,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:35:20,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:35:20,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:35:20,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:35:20,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:35:20,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:35:20,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:35:20,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:35:20,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:35:20,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:35:20,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:35:20,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:35:20,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:35:20,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:35:20,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:35:20,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:35:20,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:35:20,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:35:20,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:35:20,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:35:20,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:35:20,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:35:20,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:35:20,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:35:20,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:35:20,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:35:20,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:35:20,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:35:20,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:35:20,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:35:20,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:35:20,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:35:20,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:35:20,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:35:20,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-30 00:35:20,099 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:35:20,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:35:20,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:35:20,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:35:20,101 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:35:20,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:35:20,102 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:35:20,102 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:35:20,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:35:20,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:35:20,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:35:20,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:35:20,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:35:20,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:35:20,104 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 00:35:20,104 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:35:20,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:35:20,104 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:35:20,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:35:20,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:35:20,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:35:20,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:35:20,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:35:20,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:35:20,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:35:20,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:35:20,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:35:20,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:35:20,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:35:20,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:35:20,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:35:20,108 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_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5b7f4d55b02d12e73a22706afa0c236c1fae680 [2020-11-30 00:35:20,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:35:20,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:35:20,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:35:20,482 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:35:20,483 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:35:20,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/bin/uautomizer/../../sv-benchmarks/c/bitvector/jain_6-2.c [2020-11-30 00:35:20,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/bin/uautomizer/data/377b5bfd8/fce051cef1244b53ababc0a6c929b50c/FLAGff6430677 [2020-11-30 00:35:21,131 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:35:21,131 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/sv-benchmarks/c/bitvector/jain_6-2.c [2020-11-30 00:35:21,141 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/bin/uautomizer/data/377b5bfd8/fce051cef1244b53ababc0a6c929b50c/FLAGff6430677 [2020-11-30 00:35:21,497 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/bin/uautomizer/data/377b5bfd8/fce051cef1244b53ababc0a6c929b50c [2020-11-30 00:35:21,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:35:21,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:35:21,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:21,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:35:21,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:35:21,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:21" (1/1) ... [2020-11-30 00:35:21,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f9c46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:21, skipping insertion in model container [2020-11-30 00:35:21,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:21" (1/1) ... [2020-11-30 00:35:21,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:35:21,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:35:21,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:21,776 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:35:21,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:21,842 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:35:21,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:21 WrapperNode [2020-11-30 00:35:21,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:21,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:21,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:35:21,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:35:21,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:21" (1/1) ... [2020-11-30 00:35:21,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:21" (1/1) ... [2020-11-30 00:35:21,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:21,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:35:21,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:35:21,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:35:21,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:21" (1/1) ... [2020-11-30 00:35:21,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:21" (1/1) ... [2020-11-30 00:35:21,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:21" (1/1) ... [2020-11-30 00:35:21,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:21" (1/1) ... [2020-11-30 00:35:21,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:21" (1/1) ... [2020-11-30 00:35:21,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:21" (1/1) ... [2020-11-30 00:35:21,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:21" (1/1) ... [2020-11-30 00:35:21,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:35:21,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:35:21,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:35:21,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:35:21,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/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 [2020-11-30 00:35:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:35:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:35:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:35:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:35:22,616 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:35:22,617 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:35:22,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:22 BoogieIcfgContainer [2020-11-30 00:35:22,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:35:22,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:35:22,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:35:22,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:35:22,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:35:21" (1/3) ... [2020-11-30 00:35:22,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345748ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:35:22, skipping insertion in model container [2020-11-30 00:35:22,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:21" (2/3) ... [2020-11-30 00:35:22,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345748ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:35:22, skipping insertion in model container [2020-11-30 00:35:22,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:22" (3/3) ... [2020-11-30 00:35:22,634 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_6-2.c [2020-11-30 00:35:22,652 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:35:22,657 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 20 error locations. [2020-11-30 00:35:22,669 INFO L253 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2020-11-30 00:35:22,699 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:35:22,700 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:35:22,700 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:35:22,700 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:35:22,700 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:35:22,700 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:35:22,701 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:35:22,701 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:35:22,724 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2020-11-30 00:35:22,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 00:35:22,730 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:22,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-30 00:35:22,732 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 00:35:22,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:22,742 INFO L82 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2020-11-30 00:35:22,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:22,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206168506] [2020-11-30 00:35:22,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:22,862 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:22,885 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:22,909 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:22,910 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:35:22,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:35:22,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:35:22 BoogieIcfgContainer [2020-11-30 00:35:22,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:35:22,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:35:22,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:35:22,937 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:35:22,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:22" (3/4) ... [2020-11-30 00:35:22,940 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:35:22,983 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ff0b4a8c-6c85-4c4c-974a-58cf88c8b060/bin/uautomizer/witness.graphml [2020-11-30 00:35:22,983 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:35:22,985 INFO L168 Benchmark]: Toolchain (without parser) took 1481.73 ms. Allocated memory is still 96.5 MB. Free memory was 61.4 MB in the beginning and 41.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:22,986 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 96.5 MB. Free memory was 66.8 MB in the beginning and 66.8 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:22,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.88 ms. Allocated memory is still 96.5 MB. Free memory was 61.2 MB in the beginning and 73.3 MB in the end (delta: -12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:22,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.43 ms. Allocated memory is still 96.5 MB. Free memory was 73.3 MB in the beginning and 72.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:22,989 INFO L168 Benchmark]: Boogie Preprocessor took 27.62 ms. Allocated memory is still 96.5 MB. Free memory was 72.0 MB in the beginning and 70.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:22,990 INFO L168 Benchmark]: RCFGBuilder took 693.44 ms. Allocated memory is still 96.5 MB. Free memory was 70.9 MB in the beginning and 55.4 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:22,990 INFO L168 Benchmark]: TraceAbstraction took 314.56 ms. Allocated memory is still 96.5 MB. Free memory was 54.8 MB in the beginning and 43.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:22,991 INFO L168 Benchmark]: Witness Printer took 46.42 ms. Allocated memory is still 96.5 MB. Free memory was 43.1 MB in the beginning and 41.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:22,996 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 96.5 MB. Free memory was 66.8 MB in the beginning and 66.8 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 339.88 ms. Allocated memory is still 96.5 MB. Free memory was 61.2 MB in the beginning and 73.3 MB in the end (delta: -12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.43 ms. Allocated memory is still 96.5 MB. Free memory was 73.3 MB in the beginning and 72.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.62 ms. Allocated memory is still 96.5 MB. Free memory was 72.0 MB in the beginning and 70.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 693.44 ms. Allocated memory is still 96.5 MB. Free memory was 70.9 MB in the beginning and 55.4 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 314.56 ms. Allocated memory is still 96.5 MB. Free memory was 54.8 MB in the beginning and 43.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 46.42 ms. Allocated memory is still 96.5 MB. Free memory was 43.1 MB in the beginning and 41.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x,y,z; [L16] x=0 [L17] y=0 [L18] z=0 [L20] COND TRUE 1 [L22] 2*__VERIFIER_nondet_int() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 50 locations, 20 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=50occurred 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...