./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark47_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a31fd051 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/loop-zilu/benchmark47_linear.i -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 039c983cd55187ea3968542120c3863142c878775a3be18d8ccc83df12199e4d --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 13:50:15,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 13:50:15,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 13:50:15,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 13:50:15,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 13:50:15,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 13:50:15,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 13:50:15,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 13:50:15,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 13:50:15,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 13:50:15,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 13:50:15,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 13:50:15,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 13:50:15,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 13:50:15,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 13:50:15,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 13:50:15,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 13:50:15,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 13:50:15,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 13:50:15,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 13:50:15,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 13:50:15,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 13:50:15,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 13:50:15,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 13:50:15,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 13:50:15,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 13:50:15,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 13:50:15,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 13:50:15,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 13:50:15,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 13:50:15,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 13:50:15,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 13:50:15,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 13:50:15,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 13:50:15,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 13:50:15,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 13:50:15,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 13:50:15,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 13:50:15,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 13:50:15,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 13:50:15,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 13:50:15,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-15 13:50:15,612 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 13:50:15,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 13:50:15,614 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 13:50:15,614 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 13:50:15,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 13:50:15,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 13:50:15,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 13:50:15,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 13:50:15,616 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 13:50:15,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 13:50:15,617 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 13:50:15,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 13:50:15,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 13:50:15,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 13:50:15,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 13:50:15,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 13:50:15,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 13:50:15,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 13:50:15,618 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 13:50:15,618 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 13:50:15,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 13:50:15,618 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 13:50:15,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 13:50:15,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 13:50:15,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 13:50:15,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 13:50:15,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:50:15,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 13:50:15,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 13:50:15,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 13:50:15,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 13:50:15,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 13:50:15,620 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 13:50:15,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 13:50:15,620 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 13:50:15,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 13:50:15,621 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 13:50:15,621 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039c983cd55187ea3968542120c3863142c878775a3be18d8ccc83df12199e4d [2023-02-15 13:50:15,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 13:50:15,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 13:50:15,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 13:50:15,837 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 13:50:15,837 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 13:50:15,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark47_linear.i [2023-02-15 13:50:16,717 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 13:50:16,842 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 13:50:16,842 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark47_linear.i [2023-02-15 13:50:16,854 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82527dd7c/a095d77e28864e81bf44fb7eb94074b0/FLAGc87957d8e [2023-02-15 13:50:16,865 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82527dd7c/a095d77e28864e81bf44fb7eb94074b0 [2023-02-15 13:50:16,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 13:50:16,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 13:50:16,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 13:50:16,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 13:50:16,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 13:50:16,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:50:16" (1/1) ... [2023-02-15 13:50:16,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8c7c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:50:16, skipping insertion in model container [2023-02-15 13:50:16,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:50:16" (1/1) ... [2023-02-15 13:50:16,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 13:50:16,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 13:50:16,978 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark47_linear.i[868,881] [2023-02-15 13:50:16,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 13:50:16,995 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 13:50:17,003 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark47_linear.i[868,881] [2023-02-15 13:50:17,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 13:50:17,024 INFO L208 MainTranslator]: Completed translation [2023-02-15 13:50:17,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:50:17 WrapperNode [2023-02-15 13:50:17,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 13:50:17,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 13:50:17,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 13:50:17,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 13:50:17,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:50:17" (1/1) ... [2023-02-15 13:50:17,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:50:17" (1/1) ... [2023-02-15 13:50:17,046 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-02-15 13:50:17,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 13:50:17,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 13:50:17,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 13:50:17,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 13:50:17,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:50:17" (1/1) ... [2023-02-15 13:50:17,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:50:17" (1/1) ... [2023-02-15 13:50:17,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:50:17" (1/1) ... [2023-02-15 13:50:17,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:50:17" (1/1) ... [2023-02-15 13:50:17,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:50:17" (1/1) ... [2023-02-15 13:50:17,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:50:17" (1/1) ... [2023-02-15 13:50:17,057 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:50:17" (1/1) ... [2023-02-15 13:50:17,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:50:17" (1/1) ... [2023-02-15 13:50:17,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 13:50:17,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 13:50:17,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 13:50:17,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 13:50:17,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:50:17" (1/1) ... [2023-02-15 13:50:17,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:50:17,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:50:17,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 13:50:17,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-15 13:50:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 13:50:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 13:50:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 13:50:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 13:50:17,196 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 13:50:17,197 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 13:50:17,298 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 13:50:17,303 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 13:50:17,303 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 13:50:17,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:50:17 BoogieIcfgContainer [2023-02-15 13:50:17,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 13:50:17,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 13:50:17,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 13:50:17,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 13:50:17,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 01:50:16" (1/3) ... [2023-02-15 13:50:17,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da9824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:50:17, skipping insertion in model container [2023-02-15 13:50:17,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:50:17" (2/3) ... [2023-02-15 13:50:17,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da9824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:50:17, skipping insertion in model container [2023-02-15 13:50:17,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:50:17" (3/3) ... [2023-02-15 13:50:17,309 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark47_linear.i [2023-02-15 13:50:17,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 13:50:17,320 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-02-15 13:50:17,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 13:50:17,351 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@29f09617, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 13:50:17,352 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-02-15 13:50:17,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 33 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:50:17,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-15 13:50:17,358 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:50:17,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-15 13:50:17,362 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 13:50:17,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:50:17,366 INFO L85 PathProgramCache]: Analyzing trace with hash 889575245, now seen corresponding path program 1 times [2023-02-15 13:50:17,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:50:17,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382921542] [2023-02-15 13:50:17,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:50:17,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:50:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:50:17,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:50:17,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:50:17,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382921542] [2023-02-15 13:50:17,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382921542] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:50:17,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:50:17,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 13:50:17,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047291680] [2023-02-15 13:50:17,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:50:17,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 13:50:17,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:50:17,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 13:50:17,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 13:50:17,522 INFO L87 Difference]: Start difference. First operand has 34 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 33 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:50:17,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:50:17,552 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2023-02-15 13:50:17,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 13:50:17,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-15 13:50:17,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:50:17,563 INFO L225 Difference]: With dead ends: 46 [2023-02-15 13:50:17,567 INFO L226 Difference]: Without dead ends: 26 [2023-02-15 13:50:17,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 13:50:17,572 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 29 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 13:50:17,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 23 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 13:50:17,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-02-15 13:50:17,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-02-15 13:50:17,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:50:17,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2023-02-15 13:50:17,606 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 6 [2023-02-15 13:50:17,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:50:17,606 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2023-02-15 13:50:17,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:50:17,607 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2023-02-15 13:50:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-15 13:50:17,607 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:50:17,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:50:17,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 13:50:17,608 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 13:50:17,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:50:17,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1807028872, now seen corresponding path program 1 times [2023-02-15 13:50:17,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:50:17,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097961886] [2023-02-15 13:50:17,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:50:17,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:50:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:50:17,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:50:17,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:50:17,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097961886] [2023-02-15 13:50:17,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097961886] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:50:17,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:50:17,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 13:50:17,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171444405] [2023-02-15 13:50:17,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:50:17,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 13:50:17,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:50:17,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 13:50:17,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 13:50:17,647 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:50:17,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:50:17,665 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2023-02-15 13:50:17,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 13:50:17,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-02-15 13:50:17,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:50:17,666 INFO L225 Difference]: With dead ends: 26 [2023-02-15 13:50:17,666 INFO L226 Difference]: Without dead ends: 25 [2023-02-15 13:50:17,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 13:50:17,667 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 13:50:17,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 13:50:17,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-02-15 13:50:17,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-02-15 13:50:17,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.5) internal successors, (27), 24 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:50:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2023-02-15 13:50:17,671 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 7 [2023-02-15 13:50:17,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:50:17,671 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2023-02-15 13:50:17,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:50:17,672 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-02-15 13:50:17,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-15 13:50:17,672 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:50:17,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:50:17,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 13:50:17,673 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 13:50:17,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:50:17,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1807034830, now seen corresponding path program 1 times [2023-02-15 13:50:17,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:50:17,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487536045] [2023-02-15 13:50:17,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:50:17,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:50:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 13:50:17,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 13:50:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 13:50:17,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 13:50:17,715 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-15 13:50:17,716 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-02-15 13:50:17,718 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-02-15 13:50:17,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-02-15 13:50:17,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-02-15 13:50:17,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2023-02-15 13:50:17,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2023-02-15 13:50:17,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-02-15 13:50:17,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-02-15 13:50:17,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-02-15 13:50:17,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-02-15 13:50:17,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 13:50:17,747 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-02-15 13:50:17,749 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 13:50:17,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 01:50:17 BoogieIcfgContainer [2023-02-15 13:50:17,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 13:50:17,781 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 13:50:17,781 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 13:50:17,781 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 13:50:17,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:50:17" (3/4) ... [2023-02-15 13:50:17,783 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-15 13:50:17,846 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 13:50:17,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 13:50:17,846 INFO L158 Benchmark]: Toolchain (without parser) took 978.33ms. Allocated memory is still 121.6MB. Free memory was 81.3MB in the beginning and 54.5MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-02-15 13:50:17,847 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory was 74.3MB in the beginning and 74.3MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 13:50:17,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 155.78ms. Allocated memory is still 121.6MB. Free memory was 80.8MB in the beginning and 70.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 13:50:17,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.08ms. Allocated memory is still 121.6MB. Free memory was 70.8MB in the beginning and 69.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 13:50:17,848 INFO L158 Benchmark]: Boogie Preprocessor took 11.88ms. Allocated memory is still 121.6MB. Free memory was 69.8MB in the beginning and 68.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 13:50:17,848 INFO L158 Benchmark]: RCFGBuilder took 245.16ms. Allocated memory is still 121.6MB. Free memory was 68.2MB in the beginning and 87.4MB in the end (delta: -19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 13:50:17,848 INFO L158 Benchmark]: TraceAbstraction took 474.90ms. Allocated memory is still 121.6MB. Free memory was 86.7MB in the beginning and 55.9MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-02-15 13:50:17,848 INFO L158 Benchmark]: Witness Printer took 65.31ms. Allocated memory is still 121.6MB. Free memory was 55.9MB in the beginning and 54.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 13:50:17,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory was 74.3MB in the beginning and 74.3MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 155.78ms. Allocated memory is still 121.6MB. Free memory was 80.8MB in the beginning and 70.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.08ms. Allocated memory is still 121.6MB. Free memory was 70.8MB in the beginning and 69.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.88ms. Allocated memory is still 121.6MB. Free memory was 69.8MB in the beginning and 68.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 245.16ms. Allocated memory is still 121.6MB. Free memory was 68.2MB in the beginning and 87.4MB in the end (delta: -19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 474.90ms. Allocated memory is still 121.6MB. Free memory was 86.7MB in the beginning and 55.9MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 65.31ms. Allocated memory is still 121.6MB. Free memory was 55.9MB in the beginning and 54.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(x