./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/indp2f.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/array-fpi/indp2f.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd03f99fe6e3c31eb6c62348fdf004884fa2edfb8b8dad39def6bba1704cfbd6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 14:29:43,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 14:29:43,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 14:29:44,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 14:29:44,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 14:29:44,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 14:29:44,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 14:29:44,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 14:29:44,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 14:29:44,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 14:29:44,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 14:29:44,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 14:29:44,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 14:29:44,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 14:29:44,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 14:29:44,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 14:29:44,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 14:29:44,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 14:29:44,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 14:29:44,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 14:29:44,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 14:29:44,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 14:29:44,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 14:29:44,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 14:29:44,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 14:29:44,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 14:29:44,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 14:29:44,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 14:29:44,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 14:29:44,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 14:29:44,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 14:29:44,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 14:29:44,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 14:29:44,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 14:29:44,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 14:29:44,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 14:29:44,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 14:29:44,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 14:29:44,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 14:29:44,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 14:29:44,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 14:29:44,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 14:29:44,098 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 14:29:44,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 14:29:44,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 14:29:44,100 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 14:29:44,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 14:29:44,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 14:29:44,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 14:29:44,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 14:29:44,102 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 14:29:44,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 14:29:44,103 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 14:29:44,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 14:29:44,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 14:29:44,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 14:29:44,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 14:29:44,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 14:29:44,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 14:29:44,104 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 14:29:44,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 14:29:44,104 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 14:29:44,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 14:29:44,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 14:29:44,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 14:29:44,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 14:29:44,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 14:29:44,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 14:29:44,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 14:29:44,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 14:29:44,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 14:29:44,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 14:29:44,106 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 14:29:44,107 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 14:29:44,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 14:29:44,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd03f99fe6e3c31eb6c62348fdf004884fa2edfb8b8dad39def6bba1704cfbd6 [2022-02-20 14:29:44,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 14:29:44,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 14:29:44,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 14:29:44,354 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 14:29:44,354 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 14:29:44,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/indp2f.c [2022-02-20 14:29:44,429 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765b53664/053ea1eeba6c4723bc17923d18f308f0/FLAG17297d045 [2022-02-20 14:29:44,956 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 14:29:44,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/indp2f.c [2022-02-20 14:29:44,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765b53664/053ea1eeba6c4723bc17923d18f308f0/FLAG17297d045 [2022-02-20 14:29:45,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765b53664/053ea1eeba6c4723bc17923d18f308f0 [2022-02-20 14:29:45,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 14:29:45,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 14:29:45,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 14:29:45,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 14:29:45,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 14:29:45,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 02:29:45" (1/1) ... [2022-02-20 14:29:45,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29027758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:29:45, skipping insertion in model container [2022-02-20 14:29:45,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 02:29:45" (1/1) ... [2022-02-20 14:29:45,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 14:29:45,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 14:29:45,478 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/array-fpi/indp2f.c[589,602] [2022-02-20 14:29:45,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 14:29:45,501 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 14:29:45,509 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/array-fpi/indp2f.c[589,602] [2022-02-20 14:29:45,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 14:29:45,530 INFO L208 MainTranslator]: Completed translation [2022-02-20 14:29:45,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:29:45 WrapperNode [2022-02-20 14:29:45,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 14:29:45,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 14:29:45,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 14:29:45,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 14:29:45,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:29:45" (1/1) ... [2022-02-20 14:29:45,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:29:45" (1/1) ... [2022-02-20 14:29:45,563 INFO L137 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2022-02-20 14:29:45,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 14:29:45,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 14:29:45,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 14:29:45,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 14:29:45,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:29:45" (1/1) ... [2022-02-20 14:29:45,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:29:45" (1/1) ... [2022-02-20 14:29:45,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:29:45" (1/1) ... [2022-02-20 14:29:45,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:29:45" (1/1) ... [2022-02-20 14:29:45,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:29:45" (1/1) ... [2022-02-20 14:29:45,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:29:45" (1/1) ... [2022-02-20 14:29:45,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:29:45" (1/1) ... [2022-02-20 14:29:45,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 14:29:45,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 14:29:45,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 14:29:45,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 14:29:45,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:29:45" (1/1) ... [2022-02-20 14:29:45,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 14:29:45,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 14:29:45,635 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) [2022-02-20 14:29:45,647 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 [2022-02-20 14:29:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 14:29:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 14:29:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 14:29:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 14:29:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 14:29:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 14:29:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 14:29:45,747 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 14:29:45,749 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 14:29:45,985 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 14:29:45,989 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 14:29:45,989 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-20 14:29:45,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:29:45 BoogieIcfgContainer [2022-02-20 14:29:45,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 14:29:45,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 14:29:45,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 14:29:45,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 14:29:45,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 02:29:45" (1/3) ... [2022-02-20 14:29:45,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434297d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 02:29:45, skipping insertion in model container [2022-02-20 14:29:45,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:29:45" (2/3) ... [2022-02-20 14:29:45,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434297d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 02:29:45, skipping insertion in model container [2022-02-20 14:29:45,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:29:45" (3/3) ... [2022-02-20 14:29:45,997 INFO L111 eAbstractionObserver]: Analyzing ICFG indp2f.c [2022-02-20 14:29:46,000 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 14:29:46,000 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 14:29:46,065 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 14:29:46,073 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=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, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 14:29:46,073 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 14:29:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 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) [2022-02-20 14:29:46,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-20 14:29:46,119 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 14:29:46,119 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 14:29:46,120 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 14:29:46,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 14:29:46,124 INFO L85 PathProgramCache]: Analyzing trace with hash -592971038, now seen corresponding path program 1 times [2022-02-20 14:29:46,137 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 14:29:46,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202444260] [2022-02-20 14:29:46,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 14:29:46,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 14:29:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 14:29:46,331 INFO L290 TraceCheckUtils]: 0: Hoare triple {27#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(9, 2);call #Ultimate.allocInit(12, 3);~N~0 := 0; {27#true} is VALID [2022-02-20 14:29:46,333 INFO L290 TraceCheckUtils]: 1: Hoare triple {27#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~post6#1, main_#t~mem8#1, main_#t~post7#1, main_#t~mem10#1, main_#t~post9#1, main_#t~mem12#1, main_#t~post11#1, main_~i~0#1, main_~a~0#1.base, main_~a~0#1.offset;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;~N~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1; {27#true} is VALID [2022-02-20 14:29:46,333 INFO L290 TraceCheckUtils]: 2: Hoare triple {27#true} assume !(~N~0 <= 0);assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~N~0 % 4294967296 <= 536870911 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; {27#true} is VALID [2022-02-20 14:29:46,336 INFO L290 TraceCheckUtils]: 3: Hoare triple {27#true} assume 0 == assume_abort_if_not_~cond#1;assume false; {28#false} is VALID [2022-02-20 14:29:46,336 INFO L290 TraceCheckUtils]: 4: Hoare triple {28#false} assume { :end_inline_assume_abort_if_not } true;havoc main_~i~0#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8 * ~N~0);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~0#1 := 0; {28#false} is VALID [2022-02-20 14:29:46,336 INFO L290 TraceCheckUtils]: 5: Hoare triple {28#false} assume !(main_~i~0#1 < ~N~0); {28#false} is VALID [2022-02-20 14:29:46,337 INFO L290 TraceCheckUtils]: 6: Hoare triple {28#false} main_~i~0#1 := 0; {28#false} is VALID [2022-02-20 14:29:46,337 INFO L290 TraceCheckUtils]: 7: Hoare triple {28#false} assume !(main_~i~0#1 < ~N~0); {28#false} is VALID [2022-02-20 14:29:46,337 INFO L290 TraceCheckUtils]: 8: Hoare triple {28#false} main_~i~0#1 := 0; {28#false} is VALID [2022-02-20 14:29:46,337 INFO L290 TraceCheckUtils]: 9: Hoare triple {28#false} assume !(main_~i~0#1 < ~N~0); {28#false} is VALID [2022-02-20 14:29:46,338 INFO L290 TraceCheckUtils]: 10: Hoare triple {28#false} main_~i~0#1 := 0; {28#false} is VALID [2022-02-20 14:29:46,341 INFO L290 TraceCheckUtils]: 11: Hoare triple {28#false} assume !!(main_~i~0#1 < ~N~0);call main_#t~mem12#1 := read~int(main_~a~0#1.base, main_~a~0#1.offset + 8 * main_~i~0#1, 8);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 == main_#t~mem12#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; {28#false} is VALID [2022-02-20 14:29:46,341 INFO L290 TraceCheckUtils]: 12: Hoare triple {28#false} assume 0 == __VERIFIER_assert_~cond#1; {28#false} is VALID [2022-02-20 14:29:46,341 INFO L290 TraceCheckUtils]: 13: Hoare triple {28#false} assume !false; {28#false} is VALID [2022-02-20 14:29:46,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 14:29:46,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 14:29:46,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202444260] [2022-02-20 14:29:46,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202444260] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 14:29:46,360 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 14:29:46,360 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 14:29:46,361 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115516736] [2022-02-20 14:29:46,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 14:29:46,365 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2022-02-20 14:29:46,365 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 14:29:46,368 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-02-20 14:29:46,394 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 14:29:46,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 14:29:46,396 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 14:29:46,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 14:29:46,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 14:29:46,420 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 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 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-02-20 14:29:46,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 14:29:46,473 INFO L93 Difference]: Finished difference Result 44 states and 62 transitions. [2022-02-20 14:29:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 14:29:46,473 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2022-02-20 14:29:46,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 14:29:46,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-02-20 14:29:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 62 transitions. [2022-02-20 14:29:46,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-02-20 14:29:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 62 transitions. [2022-02-20 14:29:46,486 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 62 transitions. [2022-02-20 14:29:46,538 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 14:29:46,545 INFO L225 Difference]: With dead ends: 44 [2022-02-20 14:29:46,546 INFO L226 Difference]: Without dead ends: 20 [2022-02-20 14:29:46,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 14:29:46,552 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 14:29:46,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 14:29:46,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-02-20 14:29:46,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-02-20 14:29:46,576 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 14:29:46,577 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 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) [2022-02-20 14:29:46,577 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 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) [2022-02-20 14:29:46,578 INFO L87 Difference]: Start difference. First operand 20 states. Second operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 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) [2022-02-20 14:29:46,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 14:29:46,580 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-02-20 14:29:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-02-20 14:29:46,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 14:29:46,581 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 14:29:46,581 INFO L74 IsIncluded]: Start isIncluded. First operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 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 20 states. [2022-02-20 14:29:46,582 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 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 20 states. [2022-02-20 14:29:46,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 14:29:46,583 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-02-20 14:29:46,584 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-02-20 14:29:46,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 14:29:46,584 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 14:29:46,584 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 14:29:46,585 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 14:29:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 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) [2022-02-20 14:29:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-02-20 14:29:46,588 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 14 [2022-02-20 14:29:46,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 14:29:46,588 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-02-20 14:29:46,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-02-20 14:29:46,589 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-02-20 14:29:46,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-20 14:29:46,589 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 14:29:46,590 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 14:29:46,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 14:29:46,590 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 14:29:46,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 14:29:46,591 INFO L85 PathProgramCache]: Analyzing trace with hash 108093540, now seen corresponding path program 1 times [2022-02-20 14:29:46,592 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 14:29:46,592 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366938510] [2022-02-20 14:29:46,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 14:29:46,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 14:29:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 14:29:46,679 INFO L290 TraceCheckUtils]: 0: Hoare triple {149#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(9, 2);call #Ultimate.allocInit(12, 3);~N~0 := 0; {149#true} is VALID [2022-02-20 14:29:46,680 INFO L290 TraceCheckUtils]: 1: Hoare triple {149#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~post6#1, main_#t~mem8#1, main_#t~post7#1, main_#t~mem10#1, main_#t~post9#1, main_#t~mem12#1, main_#t~post11#1, main_~i~0#1, main_~a~0#1.base, main_~a~0#1.offset;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;~N~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1; {149#true} is VALID [2022-02-20 14:29:46,681 INFO L290 TraceCheckUtils]: 2: Hoare triple {149#true} assume !(~N~0 <= 0);assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~N~0 % 4294967296 <= 536870911 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; {151#(<= 1 ~N~0)} is VALID [2022-02-20 14:29:46,681 INFO L290 TraceCheckUtils]: 3: Hoare triple {151#(<= 1 ~N~0)} assume !(0 == assume_abort_if_not_~cond#1); {151#(<= 1 ~N~0)} is VALID [2022-02-20 14:29:46,682 INFO L290 TraceCheckUtils]: 4: Hoare triple {151#(<= 1 ~N~0)} assume { :end_inline_assume_abort_if_not } true;havoc main_~i~0#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8 * ~N~0);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~0#1 := 0; {152#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 ~N~0))} is VALID [2022-02-20 14:29:46,683 INFO L290 TraceCheckUtils]: 5: Hoare triple {152#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 ~N~0))} assume !(main_~i~0#1 < ~N~0); {150#false} is VALID [2022-02-20 14:29:46,683 INFO L290 TraceCheckUtils]: 6: Hoare triple {150#false} main_~i~0#1 := 0; {150#false} is VALID [2022-02-20 14:29:46,684 INFO L290 TraceCheckUtils]: 7: Hoare triple {150#false} assume !(main_~i~0#1 < ~N~0); {150#false} is VALID [2022-02-20 14:29:46,684 INFO L290 TraceCheckUtils]: 8: Hoare triple {150#false} main_~i~0#1 := 0; {150#false} is VALID [2022-02-20 14:29:46,684 INFO L290 TraceCheckUtils]: 9: Hoare triple {150#false} assume !(main_~i~0#1 < ~N~0); {150#false} is VALID [2022-02-20 14:29:46,684 INFO L290 TraceCheckUtils]: 10: Hoare triple {150#false} main_~i~0#1 := 0; {150#false} is VALID [2022-02-20 14:29:46,685 INFO L290 TraceCheckUtils]: 11: Hoare triple {150#false} assume !!(main_~i~0#1 < ~N~0);call main_#t~mem12#1 := read~int(main_~a~0#1.base, main_~a~0#1.offset + 8 * main_~i~0#1, 8);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 == main_#t~mem12#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; {150#false} is VALID [2022-02-20 14:29:46,685 INFO L290 TraceCheckUtils]: 12: Hoare triple {150#false} assume 0 == __VERIFIER_assert_~cond#1; {150#false} is VALID [2022-02-20 14:29:46,685 INFO L290 TraceCheckUtils]: 13: Hoare triple {150#false} assume !false; {150#false} is VALID [2022-02-20 14:29:46,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 14:29:46,686 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 14:29:46,686 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366938510] [2022-02-20 14:29:46,686 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366938510] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 14:29:46,686 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 14:29:46,687 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 14:29:46,687 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800914013] [2022-02-20 14:29:46,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 14:29:46,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2022-02-20 14:29:46,689 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 14:29:46,700 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-02-20 14:29:46,739 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 14:29:46,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 14:29:46,739 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 14:29:46,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 14:29:46,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-20 14:29:46,741 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-02-20 14:29:46,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 14:29:46,848 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2022-02-20 14:29:46,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 14:29:46,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2022-02-20 14:29:46,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 14:29:46,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-02-20 14:29:46,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 53 transitions. [2022-02-20 14:29:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-02-20 14:29:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 53 transitions. [2022-02-20 14:29:46,853 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 53 transitions. [2022-02-20 14:29:46,901 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 14:29:46,903 INFO L225 Difference]: With dead ends: 45 [2022-02-20 14:29:46,903 INFO L226 Difference]: Without dead ends: 32 [2022-02-20 14:29:46,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-20 14:29:46,905 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 35 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 14:29:46,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 16 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 14:29:46,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-02-20 14:29:46,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2022-02-20 14:29:46,914 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 14:29:46,915 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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) [2022-02-20 14:29:46,915 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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) [2022-02-20 14:29:46,915 INFO L87 Difference]: Start difference. First operand 32 states. Second operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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) [2022-02-20 14:29:46,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 14:29:46,917 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-02-20 14:29:46,917 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-02-20 14:29:46,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 14:29:46,918 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 14:29:46,918 INFO L74 IsIncluded]: Start isIncluded. First operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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 32 states. [2022-02-20 14:29:46,918 INFO L87 Difference]: Start difference. First operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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 32 states. [2022-02-20 14:29:46,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 14:29:46,920 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-02-20 14:29:46,920 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-02-20 14:29:46,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 14:29:46,921 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 14:29:46,921 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 14:29:46,921 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 14:29:46,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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) [2022-02-20 14:29:46,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-02-20 14:29:46,923 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 14 [2022-02-20 14:29:46,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 14:29:46,923 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-02-20 14:29:46,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-02-20 14:29:46,923 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-02-20 14:29:46,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 14:29:46,924 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 14:29:46,924 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 14:29:46,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 14:29:46,925 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 14:29:46,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 14:29:46,925 INFO L85 PathProgramCache]: Analyzing trace with hash 615941150, now seen corresponding path program 1 times [2022-02-20 14:29:46,925 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 14:29:46,926 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472110258] [2022-02-20 14:29:46,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 14:29:46,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 14:29:46,952 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-20 14:29:46,953 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [758409164] [2022-02-20 14:29:46,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 14:29:46,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 14:29:46,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 14:29:46,955 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 14:29:46,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 14:29:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 14:29:47,011 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 14:29:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 14:29:47,043 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 14:29:47,044 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 14:29:47,044 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 14:29:47,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-20 14:29:47,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 14:29:47,275 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-20 14:29:47,278 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 14:29:47,301 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 14:29:47,302 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 14:29:47,302 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2022-02-20 14:29:47,302 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2022-02-20 14:29:47,302 WARN L170 areAnnotationChecker]: L50 has no Hoare annotation [2022-02-20 14:29:47,302 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-02-20 14:29:47,302 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-02-20 14:29:47,302 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 14:29:47,302 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-02-20 14:29:47,302 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2022-02-20 14:29:47,302 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2022-02-20 14:29:47,302 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2022-02-20 14:29:47,302 WARN L170 areAnnotationChecker]: L30-4 has no Hoare annotation [2022-02-20 14:29:47,302 WARN L170 areAnnotationChecker]: L30-2 has no Hoare annotation [2022-02-20 14:29:47,303 WARN L170 areAnnotationChecker]: L35-3 has no Hoare annotation [2022-02-20 14:29:47,303 WARN L170 areAnnotationChecker]: L35-3 has no Hoare annotation [2022-02-20 14:29:47,303 WARN L170 areAnnotationChecker]: L35-3 has no Hoare annotation [2022-02-20 14:29:47,303 WARN L170 areAnnotationChecker]: L35-4 has no Hoare annotation [2022-02-20 14:29:47,303 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2022-02-20 14:29:47,303 WARN L170 areAnnotationChecker]: L40-3 has no Hoare annotation [2022-02-20 14:29:47,303 WARN L170 areAnnotationChecker]: L40-3 has no Hoare annotation [2022-02-20 14:29:47,303 WARN L170 areAnnotationChecker]: L40-3 has no Hoare annotation [2022-02-20 14:29:47,303 WARN L170 areAnnotationChecker]: L40-4 has no Hoare annotation [2022-02-20 14:29:47,303 WARN L170 areAnnotationChecker]: L40-2 has no Hoare annotation [2022-02-20 14:29:47,303 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2022-02-20 14:29:47,303 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2022-02-20 14:29:47,303 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2022-02-20 14:29:47,303 WARN L170 areAnnotationChecker]: L45-4 has no Hoare annotation [2022-02-20 14:29:47,304 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2022-02-20 14:29:47,304 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2022-02-20 14:29:47,304 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2022-02-20 14:29:47,304 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2022-02-20 14:29:47,304 WARN L170 areAnnotationChecker]: L15-3 has no Hoare annotation [2022-02-20 14:29:47,304 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2022-02-20 14:29:47,304 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. [2022-02-20 14:29:47,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 02:29:47 BoogieIcfgContainer [2022-02-20 14:29:47,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 14:29:47,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 14:29:47,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 14:29:47,306 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 14:29:47,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:29:45" (3/4) ... [2022-02-20 14:29:47,308 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-02-20 14:29:47,337 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 14:29:47,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 14:29:47,338 INFO L158 Benchmark]: Toolchain (without parser) took 2009.41ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 50.0MB in the beginning and 71.0MB in the end (delta: -21.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-02-20 14:29:47,339 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 63.0MB in the beginning and 63.0MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 14:29:47,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.71ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 49.7MB in the beginning and 75.4MB in the end (delta: -25.7MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-02-20 14:29:47,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.53ms. Allocated memory is still 100.7MB. Free memory was 75.4MB in the beginning and 73.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 14:29:47,339 INFO L158 Benchmark]: Boogie Preprocessor took 32.07ms. Allocated memory is still 100.7MB. Free memory was 73.5MB in the beginning and 72.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 14:29:47,341 INFO L158 Benchmark]: RCFGBuilder took 390.89ms. Allocated memory is still 100.7MB. Free memory was 72.1MB in the beginning and 60.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-20 14:29:47,341 INFO L158 Benchmark]: TraceAbstraction took 1313.44ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 59.8MB in the beginning and 74.0MB in the end (delta: -14.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-02-20 14:29:47,342 INFO L158 Benchmark]: Witness Printer took 31.84ms. Allocated memory is still 121.6MB. Free memory was 74.0MB in the beginning and 71.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 14:29:47,344 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 0.14ms. Allocated memory is still 83.9MB. Free memory was 63.0MB in the beginning and 63.0MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.71ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 49.7MB in the beginning and 75.4MB in the end (delta: -25.7MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.53ms. Allocated memory is still 100.7MB. Free memory was 75.4MB in the beginning and 73.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.07ms. Allocated memory is still 100.7MB. Free memory was 73.5MB in the beginning and 72.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 390.89ms. Allocated memory is still 100.7MB. Free memory was 72.1MB in the beginning and 60.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1313.44ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 59.8MB in the beginning and 74.0MB in the end (delta: -14.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 31.84ms. Allocated memory is still 121.6MB. Free memory was 74.0MB in the beginning and 71.0MB in the end (delta: 3.0MB). 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: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L30] i=0 VAL [a={-1:0}, i=0, N=1] [L30] COND TRUE i