./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/jain_2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/jain_2-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 e1374777f355e8a60fad289b9b9e03a5756d77a5 ........................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-11-28 20:26:51,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:26:51,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:26:51,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:26:51,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:26:51,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:26:51,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:26:51,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:26:51,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:26:51,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:26:51,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:26:51,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:26:51,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:26:51,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:26:51,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:26:51,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:26:51,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:26:51,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:26:51,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:26:51,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:26:51,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:26:51,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:26:51,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:26:51,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:26:51,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:26:51,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:26:51,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:26:51,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:26:51,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:26:51,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:26:51,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:26:51,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:26:51,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:26:51,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:26:51,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:26:51,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:26:51,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:26:51,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:26:51,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:26:51,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:26:51,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:26:51,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-28 20:26:51,919 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:26:51,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:26:51,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:26:51,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:26:51,921 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:26:51,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:26:51,922 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:26:51,922 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:26:51,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:26:51,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:26:51,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:26:51,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 20:26:51,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:26:51,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 20:26:51,925 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-28 20:26:51,925 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:26:51,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:26:51,925 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:26:51,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 20:26:51,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:26:51,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:26:51,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:26:51,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:26:51,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:26:51,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:26:51,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:26:51,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 20:26:51,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:26:51,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:26:51,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 20:26:51,928 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:26:51,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> e1374777f355e8a60fad289b9b9e03a5756d77a5 [2019-11-28 20:26:52,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:26:52,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:26:52,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:26:52,299 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:26:52,300 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:26:52,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_2-2.c [2019-11-28 20:26:52,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b86a72cd/07c4a13b799c484cae75eac1de0f1d20/FLAG3b3676b4e [2019-11-28 20:26:52,795 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:26:52,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_2-2.c [2019-11-28 20:26:52,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b86a72cd/07c4a13b799c484cae75eac1de0f1d20/FLAG3b3676b4e [2019-11-28 20:26:53,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b86a72cd/07c4a13b799c484cae75eac1de0f1d20 [2019-11-28 20:26:53,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:26:53,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:26:53,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:26:53,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:26:53,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:26:53,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:26:53" (1/1) ... [2019-11-28 20:26:53,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4696e6c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:26:53, skipping insertion in model container [2019-11-28 20:26:53,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:26:53" (1/1) ... [2019-11-28 20:26:53,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:26:53,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:26:53,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:26:53,453 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:26:53,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:26:53,486 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:26:53,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:26:53 WrapperNode [2019-11-28 20:26:53,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:26:53,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:26:53,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:26:53,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:26:53,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:26:53" (1/1) ... [2019-11-28 20:26:53,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:26:53" (1/1) ... [2019-11-28 20:26:53,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:26:53,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:26:53,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:26:53,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:26:53,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:26:53" (1/1) ... [2019-11-28 20:26:53,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:26:53" (1/1) ... [2019-11-28 20:26:53,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:26:53" (1/1) ... [2019-11-28 20:26:53,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:26:53" (1/1) ... [2019-11-28 20:26:53,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:26:53" (1/1) ... [2019-11-28 20:26:53,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:26:53" (1/1) ... [2019-11-28 20:26:53,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:26:53" (1/1) ... [2019-11-28 20:26:53,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:26:53,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:26:53,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:26:53,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:26:53,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:26:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:26:53,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:26:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:26:53,868 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:26:53,868 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 20:26:53,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:26:53 BoogieIcfgContainer [2019-11-28 20:26:53,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:26:53,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:26:53,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:26:53,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:26:53,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:26:53" (1/3) ... [2019-11-28 20:26:53,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bda7d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:26:53, skipping insertion in model container [2019-11-28 20:26:53,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:26:53" (2/3) ... [2019-11-28 20:26:53,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bda7d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:26:53, skipping insertion in model container [2019-11-28 20:26:53,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:26:53" (3/3) ... [2019-11-28 20:26:53,879 INFO L109 eAbstractionObserver]: Analyzing ICFG jain_2-2.c [2019-11-28 20:26:53,889 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:26:53,896 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2019-11-28 20:26:53,907 INFO L249 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2019-11-28 20:26:53,930 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:26:53,930 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 20:26:53,930 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:26:53,930 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:26:53,931 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:26:53,931 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:26:53,931 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:26:53,931 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:26:53,948 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-28 20:26:53,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-28 20:26:53,952 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:26:53,953 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-28 20:26:53,954 INFO L410 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.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 20:26:53,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:26:53,959 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2019-11-28 20:26:53,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:26:53,966 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169282416] [2019-11-28 20:26:53,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:26:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:26:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:26:54,053 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:26:54,054 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 20:26:54,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:26:54 BoogieIcfgContainer [2019-11-28 20:26:54,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:26:54,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:26:54,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:26:54,073 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:26:54,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:26:53" (3/4) ... [2019-11-28 20:26:54,076 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 20:26:54,116 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:26:54,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:26:54,119 INFO L168 Benchmark]: Toolchain (without parser) took 935.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -111.5 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:26:54,120 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:26:54,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.33 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:26:54,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.47 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:26:54,122 INFO L168 Benchmark]: Boogie Preprocessor took 77.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -154.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:26:54,123 INFO L168 Benchmark]: RCFGBuilder took 272.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:26:54,124 INFO L168 Benchmark]: TraceAbstraction took 201.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:26:54,124 INFO L168 Benchmark]: Witness Printer took 43.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:26:54,128 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.33 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.47 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -154.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 272.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 201.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 43.36 ms. Allocated memory is still 1.1 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: 19]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int x,y; [L14] x = 1 [L15] y = 1 [L17] COND TRUE 1 [L19] 2*__VERIFIER_nondet_int() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 10 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 3 NumberOfCodeBlocks, 3 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...