./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark47_linear.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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-dev-03d7b7b [2022-02-21 03:12:15,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:12:15,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:12:15,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:12:15,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:12:15,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:12:15,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:12:15,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:12:15,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:12:15,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:12:15,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:12:15,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:12:15,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:12:15,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:12:15,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:12:15,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:12:15,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:12:15,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:12:15,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:12:15,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:12:15,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:12:15,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:12:15,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:12:15,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:12:15,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:12:15,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:12:15,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:12:15,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:12:15,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:12:15,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:12:15,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:12:15,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:12:15,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:12:15,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:12:15,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:12:15,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:12:15,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:12:15,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:12:15,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:12:15,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:12:15,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:12:15,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-02-21 03:12:15,831 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:12:15,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:12:15,832 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:12:15,832 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:12:15,833 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-21 03:12:15,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-21 03:12:15,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:12:15,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:12:15,835 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:12:15,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:12:15,836 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 03:12:15,836 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:12:15,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:12:15,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 03:12:15,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:12:15,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-21 03:12:15,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-21 03:12:15,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-21 03:12:15,838 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-02-21 03:12:15,838 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 03:12:15,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:12:15,838 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:12:15,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-21 03:12:15,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:12:15,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:12:15,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-21 03:12:15,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-21 03:12:15,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:12:15,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-21 03:12:15,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-21 03:12:15,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:12:15,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-21 03:12:15,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-21 03:12:15,841 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:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039c983cd55187ea3968542120c3863142c878775a3be18d8ccc83df12199e4d [2022-02-21 03:12:16,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:12:16,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:12:16,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:12:16,096 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:12:16,096 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:12:16,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark47_linear.i [2022-02-21 03:12:16,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a46b6b94a/52d0ba00e73d4daeba2804f221cfa807/FLAGf8298a37f [2022-02-21 03:12:16,521 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:12:16,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark47_linear.i [2022-02-21 03:12:16,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a46b6b94a/52d0ba00e73d4daeba2804f221cfa807/FLAGf8298a37f [2022-02-21 03:12:16,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a46b6b94a/52d0ba00e73d4daeba2804f221cfa807 [2022-02-21 03:12:16,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:12:16,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:12:16,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:12:16,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:12:16,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:12:16,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:12:16" (1/1) ... [2022-02-21 03:12:16,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b99afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:12:16, skipping insertion in model container [2022-02-21 03:12:16,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:12:16" (1/1) ... [2022-02-21 03:12:16,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:12:16,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:12:16,709 WARN L230 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] [2022-02-21 03:12:16,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:12:16,746 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:12:16,761 WARN L230 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] [2022-02-21 03:12:16,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:12:16,789 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:12:16,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:12:16 WrapperNode [2022-02-21 03:12:16,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:12:16,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:12:16,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:12:16,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:12:16,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:12:16" (1/1) ... [2022-02-21 03:12:16,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:12:16" (1/1) ... [2022-02-21 03:12:16,833 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-02-21 03:12:16,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:12:16,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:12:16,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:12:16,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:12:16,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:12:16" (1/1) ... [2022-02-21 03:12:16,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:12:16" (1/1) ... [2022-02-21 03:12:16,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:12:16" (1/1) ... [2022-02-21 03:12:16,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:12:16" (1/1) ... [2022-02-21 03:12:16,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:12:16" (1/1) ... [2022-02-21 03:12:16,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:12:16" (1/1) ... [2022-02-21 03:12:16,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:12:16" (1/1) ... [2022-02-21 03:12:16,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:12:16,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:12:16,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:12:16,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:12:16,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:12:16" (1/1) ... [2022-02-21 03:12:16,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-21 03:12:16,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:12:16,920 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) [2022-02-21 03:12:16,921 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 [2022-02-21 03:12:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 03:12:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 03:12:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:12:16,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:12:16,995 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:12:16,996 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:12:17,149 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:12:17,154 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:12:17,154 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:12:17,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:12:17 BoogieIcfgContainer [2022-02-21 03:12:17,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:12:17,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-21 03:12:17,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-21 03:12:17,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-21 03:12:17,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 03:12:16" (1/3) ... [2022-02-21 03:12:17,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c035391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:12:17, skipping insertion in model container [2022-02-21 03:12:17,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:12:16" (2/3) ... [2022-02-21 03:12:17,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c035391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:12:17, skipping insertion in model container [2022-02-21 03:12:17,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:12:17" (3/3) ... [2022-02-21 03:12:17,181 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark47_linear.i [2022-02-21 03:12:17,185 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-21 03:12:17,185 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-02-21 03:12:17,234 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-21 03:12:17,242 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-21 03:12:17,243 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-02-21 03:12:17,254 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) [2022-02-21 03:12:17,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-02-21 03:12:17,257 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 03:12:17,258 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-02-21 03:12:17,258 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-02-21 03:12:17,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:12:17,262 INFO L85 PathProgramCache]: Analyzing trace with hash 889575245, now seen corresponding path program 1 times [2022-02-21 03:12:17,269 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:12:17,270 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033696083] [2022-02-21 03:12:17,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:12:17,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:12:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:12:17,417 INFO L290 TraceCheckUtils]: 0: Hoare triple {37#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2); {37#true} is VALID [2022-02-21 03:12:17,420 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~short3#1, main_~x~0#1, main_~y~0#1;assume -2147483648 <= main_#t~nondet1#1 && main_#t~nondet1#1 <= 2147483647;main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647;main_~y~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; {37#true} is VALID [2022-02-21 03:12:17,422 INFO L290 TraceCheckUtils]: 2: Hoare triple {37#true} assume !!(main_~x~0#1 < main_~y~0#1); {37#true} is VALID [2022-02-21 03:12:17,422 INFO L290 TraceCheckUtils]: 3: Hoare triple {37#true} assume !!(main_~x~0#1 < main_~y~0#1); {37#true} is VALID [2022-02-21 03:12:17,424 INFO L290 TraceCheckUtils]: 4: Hoare triple {37#true} assume main_~x~0#1 < 0; {39#(<= (+ |ULTIMATE.start_main_~x~0#1| 1) 0)} is VALID [2022-02-21 03:12:17,428 INFO L290 TraceCheckUtils]: 5: Hoare triple {39#(<= (+ |ULTIMATE.start_main_~x~0#1| 1) 0)} assume !(7 + main_~x~0#1 <= 2147483647); {38#false} is VALID [2022-02-21 03:12:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:12:17,430 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 03:12:17,430 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033696083] [2022-02-21 03:12:17,432 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033696083] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 03:12:17,432 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 03:12:17,432 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-21 03:12:17,434 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145689606] [2022-02-21 03:12:17,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 03:12:17,439 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 [2022-02-21 03:12:17,446 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 03:12:17,449 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 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) [2022-02-21 03:12:17,464 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:12:17,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-21 03:12:17,465 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 03:12:17,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 03:12:17,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 03:12:17,497 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) [2022-02-21 03:12:17,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:12:17,596 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2022-02-21 03:12:17,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 03:12:17,597 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 [2022-02-21 03:12:17,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 03:12:17,598 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2022-02-21 03:12:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-02-21 03:12:17,607 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2022-02-21 03:12:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-02-21 03:12:17,616 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 53 transitions. [2022-02-21 03:12:17,689 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:12:17,696 INFO L225 Difference]: With dead ends: 46 [2022-02-21 03:12:17,696 INFO L226 Difference]: Without dead ends: 27 [2022-02-21 03:12:17,711 INFO L932 BasicCegarLoop]: 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 [2022-02-21 03:12:17,714 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 2 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 03:12:17,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 55 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 03:12:17,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-02-21 03:12:17,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-02-21 03:12:17,737 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 03:12:17,737 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand has 27 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 26 states have internal predecessors, (29), 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) [2022-02-21 03:12:17,738 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand has 27 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 26 states have internal predecessors, (29), 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) [2022-02-21 03:12:17,738 INFO L87 Difference]: Start difference. First operand 27 states. Second operand has 27 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 26 states have internal predecessors, (29), 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) [2022-02-21 03:12:17,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:12:17,741 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2022-02-21 03:12:17,741 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-02-21 03:12:17,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:12:17,741 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:12:17,742 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 26 states have internal predecessors, (29), 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 27 states. [2022-02-21 03:12:17,742 INFO L87 Difference]: Start difference. First operand has 27 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 26 states have internal predecessors, (29), 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 27 states. [2022-02-21 03:12:17,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:12:17,744 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2022-02-21 03:12:17,744 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-02-21 03:12:17,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:12:17,745 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:12:17,745 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 03:12:17,745 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 03:12:17,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 26 states have internal predecessors, (29), 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) [2022-02-21 03:12:17,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2022-02-21 03:12:17,748 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 6 [2022-02-21 03:12:17,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 03:12:17,749 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2022-02-21 03:12:17,749 INFO L471 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) [2022-02-21 03:12:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-02-21 03:12:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-02-21 03:12:17,750 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 03:12:17,750 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-02-21 03:12:17,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-21 03:12:17,750 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-02-21 03:12:17,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:12:17,751 INFO L85 PathProgramCache]: Analyzing trace with hash 889575437, now seen corresponding path program 1 times [2022-02-21 03:12:17,751 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:12:17,752 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375602560] [2022-02-21 03:12:17,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:12:17,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:12:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:12:17,775 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:12:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:12:17,813 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:12:17,814 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-21 03:12:17,815 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-02-21 03:12:17,817 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-02-21 03:12:17,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-02-21 03:12:17,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-02-21 03:12:17,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-02-21 03:12:17,819 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-02-21 03:12:17,819 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-02-21 03:12:17,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-02-21 03:12:17,827 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-02-21 03:12:17,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-02-21 03:12:17,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-21 03:12:17,832 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-21 03:12:17,835 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-21 03:12:17,851 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-21 03:12:17,851 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-21 03:12:17,851 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2022-02-21 03:12:17,851 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2022-02-21 03:12:17,852 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2022-02-21 03:12:17,852 WARN L170 areAnnotationChecker]: L26-3 has no Hoare annotation [2022-02-21 03:12:17,852 WARN L170 areAnnotationChecker]: L26-3 has no Hoare annotation [2022-02-21 03:12:17,852 WARN L170 areAnnotationChecker]: L26-3 has no Hoare annotation [2022-02-21 03:12:17,852 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-21 03:12:17,852 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2022-02-21 03:12:17,852 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2022-02-21 03:12:17,852 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2022-02-21 03:12:17,853 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2022-02-21 03:12:17,853 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2022-02-21 03:12:17,853 WARN L170 areAnnotationChecker]: L24-1 has no Hoare annotation [2022-02-21 03:12:17,853 WARN L170 areAnnotationChecker]: L24-1 has no Hoare annotation [2022-02-21 03:12:17,853 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2022-02-21 03:12:17,853 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2022-02-21 03:12:17,853 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2022-02-21 03:12:17,853 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2022-02-21 03:12:17,854 WARN L170 areAnnotationChecker]: L29-4 has no Hoare annotation [2022-02-21 03:12:17,854 WARN L170 areAnnotationChecker]: L24-2 has no Hoare annotation [2022-02-21 03:12:17,854 WARN L170 areAnnotationChecker]: L24-2 has no Hoare annotation [2022-02-21 03:12:17,854 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2022-02-21 03:12:17,855 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2022-02-21 03:12:17,855 WARN L170 areAnnotationChecker]: L29-2 has no Hoare annotation [2022-02-21 03:12:17,855 WARN L170 areAnnotationChecker]: L29-2 has no Hoare annotation [2022-02-21 03:12:17,855 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2022-02-21 03:12:17,855 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2022-02-21 03:12:17,855 WARN L170 areAnnotationChecker]: L24-4 has no Hoare annotation [2022-02-21 03:12:17,855 WARN L170 areAnnotationChecker]: L24-4 has no Hoare annotation [2022-02-21 03:12:17,855 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2022-02-21 03:12:17,856 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2022-02-21 03:12:17,856 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2022-02-21 03:12:17,856 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2022-02-21 03:12:17,856 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2022-02-21 03:12:17,856 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2022-02-21 03:12:17,856 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2022-02-21 03:12:17,856 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2022-02-21 03:12:17,857 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2022-02-21 03:12:17,857 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-21 03:12:17,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 03:12:17 BoogieIcfgContainer [2022-02-21 03:12:17,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-21 03:12:17,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:12:17,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:12:17,860 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:12:17,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:12:17" (3/4) ... [2022-02-21 03:12:17,862 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-02-21 03:12:17,895 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 03:12:17,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:12:17,897 INFO L158 Benchmark]: Toolchain (without parser) took 1350.39ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 60.3MB in the beginning and 72.4MB in the end (delta: -12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:12:17,897 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:12:17,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.06ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 60.1MB in the beginning and 90.1MB in the end (delta: -30.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:12:17,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.15ms. Allocated memory is still 115.3MB. Free memory was 90.1MB in the beginning and 88.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:12:17,900 INFO L158 Benchmark]: Boogie Preprocessor took 25.58ms. Allocated memory is still 115.3MB. Free memory was 88.4MB in the beginning and 87.5MB in the end (delta: 907.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:12:17,900 INFO L158 Benchmark]: RCFGBuilder took 295.89ms. Allocated memory is still 115.3MB. Free memory was 87.5MB in the beginning and 75.4MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:12:17,900 INFO L158 Benchmark]: TraceAbstraction took 701.38ms. Allocated memory is still 115.3MB. Free memory was 74.6MB in the beginning and 74.5MB in the end (delta: 30.1kB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2022-02-21 03:12:17,900 INFO L158 Benchmark]: Witness Printer took 35.68ms. Allocated memory is still 115.3MB. Free memory was 74.5MB in the beginning and 72.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:12:17,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.06ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 60.1MB in the beginning and 90.1MB in the end (delta: -30.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.15ms. Allocated memory is still 115.3MB. Free memory was 90.1MB in the beginning and 88.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.58ms. Allocated memory is still 115.3MB. Free memory was 88.4MB in the beginning and 87.5MB in the end (delta: 907.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 295.89ms. Allocated memory is still 115.3MB. Free memory was 87.5MB in the beginning and 75.4MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 701.38ms. Allocated memory is still 115.3MB. Free memory was 74.6MB in the beginning and 74.5MB in the end (delta: 30.1kB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. * Witness Printer took 35.68ms. Allocated memory is still 115.3MB. Free memory was 74.5MB in the beginning and 72.4MB in the end (delta: 2.1MB). 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