./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-industry-pattern/ofuf_2.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 a23a17038467a4b0973e39785173179a6b9a1bb4d9769749cbca92c19670a850 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 15:41:32,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 15:41:32,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 15:41:32,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 15:41:32,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 15:41:32,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 15:41:32,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 15:41:32,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 15:41:32,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 15:41:32,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 15:41:32,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 15:41:32,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 15:41:32,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 15:41:32,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 15:41:32,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 15:41:32,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 15:41:32,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 15:41:32,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 15:41:32,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 15:41:32,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 15:41:32,305 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 15:41:32,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 15:41:32,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 15:41:32,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 15:41:32,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 15:41:32,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 15:41:32,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 15:41:32,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 15:41:32,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 15:41:32,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 15:41:32,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 15:41:32,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 15:41:32,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 15:41:32,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 15:41:32,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 15:41:32,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 15:41:32,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 15:41:32,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 15:41:32,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 15:41:32,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 15:41:32,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 15:41:32,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 15:41:32,324 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 15:41:32,350 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 15:41:32,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 15:41:32,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 15:41:32,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 15:41:32,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 15:41:32,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 15:41:32,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 15:41:32,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 15:41:32,352 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 15:41:32,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 15:41:32,353 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 15:41:32,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 15:41:32,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 15:41:32,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 15:41:32,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 15:41:32,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 15:41:32,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 15:41:32,354 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 15:41:32,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 15:41:32,355 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 15:41:32,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 15:41:32,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 15:41:32,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 15:41:32,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 15:41:32,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 15:41:32,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 15:41:32,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 15:41:32,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 15:41:32,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 15:41:32,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 15:41:32,356 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 15:41:32,357 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 15:41:32,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 15:41:32,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a23a17038467a4b0973e39785173179a6b9a1bb4d9769749cbca92c19670a850 [2022-07-13 15:41:32,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 15:41:32,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 15:41:32,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 15:41:32,574 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 15:41:32,575 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 15:41:32,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2022-07-13 15:41:32,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/516a30aad/c28febca3c76424a8dff8a22de1c08ed/FLAG058543801 [2022-07-13 15:41:33,015 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 15:41:33,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2022-07-13 15:41:33,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/516a30aad/c28febca3c76424a8dff8a22de1c08ed/FLAG058543801 [2022-07-13 15:41:33,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/516a30aad/c28febca3c76424a8dff8a22de1c08ed [2022-07-13 15:41:33,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 15:41:33,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 15:41:33,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 15:41:33,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 15:41:33,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 15:41:33,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:41:33" (1/1) ... [2022-07-13 15:41:33,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c17b341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:41:33, skipping insertion in model container [2022-07-13 15:41:33,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:41:33" (1/1) ... [2022-07-13 15:41:33,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 15:41:33,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 15:41:33,326 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-industry-pattern/ofuf_2.c[11342,11355] [2022-07-13 15:41:33,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 15:41:33,333 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 15:41:33,394 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-industry-pattern/ofuf_2.c[11342,11355] [2022-07-13 15:41:33,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 15:41:33,406 INFO L208 MainTranslator]: Completed translation [2022-07-13 15:41:33,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:41:33 WrapperNode [2022-07-13 15:41:33,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 15:41:33,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 15:41:33,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 15:41:33,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 15:41:33,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:41:33" (1/1) ... [2022-07-13 15:41:33,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:41:33" (1/1) ... [2022-07-13 15:41:33,464 INFO L137 Inliner]: procedures = 29, calls = 156, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 447 [2022-07-13 15:41:33,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 15:41:33,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 15:41:33,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 15:41:33,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 15:41:33,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:41:33" (1/1) ... [2022-07-13 15:41:33,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:41:33" (1/1) ... [2022-07-13 15:41:33,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:41:33" (1/1) ... [2022-07-13 15:41:33,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:41:33" (1/1) ... [2022-07-13 15:41:33,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:41:33" (1/1) ... [2022-07-13 15:41:33,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:41:33" (1/1) ... [2022-07-13 15:41:33,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:41:33" (1/1) ... [2022-07-13 15:41:33,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 15:41:33,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 15:41:33,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 15:41:33,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 15:41:33,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:41:33" (1/1) ... [2022-07-13 15:41:33,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 15:41:33,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 15:41:33,530 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) [2022-07-13 15:41:33,535 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 [2022-07-13 15:41:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 15:41:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 15:41:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-07-13 15:41:33,560 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-07-13 15:41:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 15:41:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 15:41:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 15:41:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 15:41:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 15:41:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-07-13 15:41:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 15:41:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-07-13 15:41:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-07-13 15:41:33,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 15:41:33,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 15:41:33,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 15:41:33,564 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-07-13 15:41:33,564 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-07-13 15:41:33,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 15:41:33,720 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 15:41:33,727 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 15:41:34,120 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 15:41:34,127 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 15:41:34,128 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-13 15:41:34,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:41:34 BoogieIcfgContainer [2022-07-13 15:41:34,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 15:41:34,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 15:41:34,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 15:41:34,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 15:41:34,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 03:41:33" (1/3) ... [2022-07-13 15:41:34,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c07f1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 03:41:34, skipping insertion in model container [2022-07-13 15:41:34,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:41:33" (2/3) ... [2022-07-13 15:41:34,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c07f1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 03:41:34, skipping insertion in model container [2022-07-13 15:41:34,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:41:34" (3/3) ... [2022-07-13 15:41:34,135 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2022-07-13 15:41:34,147 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 15:41:34,148 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 15:41:34,177 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 15:41:34,182 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@16ab1a0d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@e648 [2022-07-13 15:41:34,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 15:41:34,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 88 states have (on average 1.6022727272727273) internal successors, (141), 89 states have internal predecessors, (141), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-07-13 15:41:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-13 15:41:34,191 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 15:41:34,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 15:41:34,192 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 15:41:34,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 15:41:34,195 INFO L85 PathProgramCache]: Analyzing trace with hash -17410784, now seen corresponding path program 1 times [2022-07-13 15:41:34,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 15:41:34,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762675597] [2022-07-13 15:41:34,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 15:41:34,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 15:41:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 15:41:34,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 15:41:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 15:41:34,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 15:41:34,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 15:41:34,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762675597] [2022-07-13 15:41:34,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762675597] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 15:41:34,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 15:41:34,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 15:41:34,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411797758] [2022-07-13 15:41:34,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 15:41:34,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 15:41:34,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 15:41:34,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 15:41:34,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 15:41:34,456 INFO L87 Difference]: Start difference. First operand has 101 states, 88 states have (on average 1.6022727272727273) internal successors, (141), 89 states have internal predecessors, (141), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 15:41:34,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 15:41:34,494 INFO L93 Difference]: Finished difference Result 197 states and 314 transitions. [2022-07-13 15:41:34,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 15:41:34,495 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-13 15:41:34,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 15:41:34,512 INFO L225 Difference]: With dead ends: 197 [2022-07-13 15:41:34,512 INFO L226 Difference]: Without dead ends: 95 [2022-07-13 15:41:34,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 15:41:34,523 INFO L413 NwaCegarLoop]: 148 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, 148 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 [2022-07-13 15:41:34,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 15:41:34,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-07-13 15:41:34,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-07-13 15:41:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 83 states have (on average 1.5180722891566265) internal successors, (126), 84 states have internal predecessors, (126), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-13 15:41:34,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 141 transitions. [2022-07-13 15:41:34,562 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 141 transitions. Word has length 23 [2022-07-13 15:41:34,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 15:41:34,563 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 141 transitions. [2022-07-13 15:41:34,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 15:41:34,563 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2022-07-13 15:41:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-13 15:41:34,569 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 15:41:34,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 15:41:34,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 15:41:34,570 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 15:41:34,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 15:41:34,571 INFO L85 PathProgramCache]: Analyzing trace with hash 39847518, now seen corresponding path program 1 times [2022-07-13 15:41:34,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 15:41:34,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717133924] [2022-07-13 15:41:34,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 15:41:34,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 15:41:34,616 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 15:41:34,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1915905043] [2022-07-13 15:41:34,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 15:41:34,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 15:41:34,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 15:41:34,625 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) [2022-07-13 15:41:34,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 15:41:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 15:41:34,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 15:41:34,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 15:41:34,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 15:41:34,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 15:41:34,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 15:41:34,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717133924] [2022-07-13 15:41:34,829 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 15:41:34,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915905043] [2022-07-13 15:41:34,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915905043] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 15:41:34,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 15:41:34,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 15:41:34,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981477687] [2022-07-13 15:41:34,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 15:41:34,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 15:41:34,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 15:41:34,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 15:41:34,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 15:41:34,837 INFO L87 Difference]: Start difference. First operand 95 states and 141 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 15:41:34,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 15:41:34,858 INFO L93 Difference]: Finished difference Result 104 states and 153 transitions. [2022-07-13 15:41:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 15:41:34,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-13 15:41:34,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 15:41:34,860 INFO L225 Difference]: With dead ends: 104 [2022-07-13 15:41:34,860 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 15:41:34,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 15:41:34,863 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 8 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 15:41:34,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 288 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 15:41:34,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 15:41:34,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 15:41:34,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-07-13 15:41:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 15:41:34,865 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-07-13 15:41:34,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 15:41:34,865 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 15:41:34,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 15:41:34,866 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 15:41:34,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 15:41:34,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 15:41:34,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-13 15:41:35,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 15:41:35,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 15:41:35,145 INFO L899 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2022-07-13 15:41:35,145 INFO L899 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2022-07-13 15:41:35,145 INFO L899 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2022-07-13 15:41:35,145 INFO L902 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-07-13 15:41:35,145 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-07-13 15:41:35,145 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2022-07-13 15:41:35,145 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2022-07-13 15:41:35,145 INFO L899 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2022-07-13 15:41:35,145 INFO L899 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2022-07-13 15:41:35,145 INFO L899 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2022-07-13 15:41:35,146 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2022-07-13 15:41:35,146 INFO L902 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-07-13 15:41:35,146 INFO L899 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2022-07-13 15:41:35,146 INFO L899 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2022-07-13 15:41:35,146 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-13 15:41:35,146 INFO L899 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2022-07-13 15:41:35,146 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2022-07-13 15:41:35,146 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2022-07-13 15:41:35,146 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2022-07-13 15:41:35,146 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2022-07-13 15:41:35,146 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-07-13 15:41:35,146 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-13 15:41:35,146 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-13 15:41:35,147 INFO L899 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2022-07-13 15:41:35,147 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2022-07-13 15:41:35,147 INFO L899 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2022-07-13 15:41:35,147 INFO L899 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2022-07-13 15:41:35,147 INFO L899 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2022-07-13 15:41:35,147 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-13 15:41:35,147 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2022-07-13 15:41:35,147 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-07-13 15:41:35,147 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-07-13 15:41:35,147 INFO L895 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (<= 1 |Id_MCDC_95___VERIFIER_assert_~Id_MCDC_103#1|) [2022-07-13 15:41:35,147 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2022-07-13 15:41:35,147 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2022-07-13 15:41:35,148 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2022-07-13 15:41:35,148 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2022-07-13 15:41:35,148 INFO L902 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-07-13 15:41:35,148 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2022-07-13 15:41:35,156 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-07-13 15:41:35,156 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2022-07-13 15:41:35,156 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-07-13 15:41:35,157 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2022-07-13 15:41:35,157 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2022-07-13 15:41:35,157 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2022-07-13 15:41:35,157 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2022-07-13 15:41:35,157 INFO L902 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-07-13 15:41:35,157 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2022-07-13 15:41:35,158 INFO L902 garLoopResultBuilder]: At program point L278(lines 249 279) the Hoare annotation is: true [2022-07-13 15:41:35,158 INFO L899 garLoopResultBuilder]: For program point L270-1(lines 250 279) no Hoare annotation was computed. [2022-07-13 15:41:35,158 INFO L899 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2022-07-13 15:41:35,158 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2022-07-13 15:41:35,158 INFO L899 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2022-07-13 15:41:35,158 INFO L899 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2022-07-13 15:41:35,158 INFO L899 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2022-07-13 15:41:35,158 INFO L899 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2022-07-13 15:41:35,159 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2022-07-13 15:41:35,159 INFO L902 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-07-13 15:41:35,159 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2022-07-13 15:41:35,159 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2022-07-13 15:41:35,159 INFO L902 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-07-13 15:41:35,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 15:41:35,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 15:41:35,160 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-07-13 15:41:35,160 INFO L899 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2022-07-13 15:41:35,160 INFO L902 garLoopResultBuilder]: At program point L425(lines 420 426) the Hoare annotation is: true [2022-07-13 15:41:35,160 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-07-13 15:41:35,160 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2022-07-13 15:41:35,160 INFO L899 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2022-07-13 15:41:35,160 INFO L899 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2022-07-13 15:41:35,161 INFO L902 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-07-13 15:41:35,161 INFO L899 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2022-07-13 15:41:35,161 INFO L902 garLoopResultBuilder]: At program point L418(lines 400 419) the Hoare annotation is: true [2022-07-13 15:41:35,161 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2022-07-13 15:41:35,161 INFO L902 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-07-13 15:41:35,161 INFO L899 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2022-07-13 15:41:35,161 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2022-07-13 15:41:35,161 INFO L902 garLoopResultBuilder]: At program point L427(lines 427 458) the Hoare annotation is: true [2022-07-13 15:41:35,162 INFO L902 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-07-13 15:41:35,162 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2022-07-13 15:41:35,162 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2022-07-13 15:41:35,162 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-07-13 15:41:35,162 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2022-07-13 15:41:35,162 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2022-07-13 15:41:35,162 INFO L902 garLoopResultBuilder]: At program point L329(lines 300 330) the Hoare annotation is: true [2022-07-13 15:41:35,165 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 15:41:35,165 INFO L902 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-07-13 15:41:35,165 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2022-07-13 15:41:35,165 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 15:41:35,165 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2022-07-13 15:41:35,165 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2022-07-13 15:41:35,165 INFO L899 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2022-07-13 15:41:35,166 INFO L902 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2022-07-13 15:41:35,166 INFO L902 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2022-07-13 15:41:35,166 INFO L902 garLoopResultBuilder]: At program point L398(lines 331 399) the Hoare annotation is: true [2022-07-13 15:41:35,166 INFO L902 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-07-13 15:41:35,166 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2022-07-13 15:41:35,166 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2022-07-13 15:41:35,166 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2022-07-13 15:41:35,167 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2022-07-13 15:41:35,167 INFO L902 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-07-13 15:41:35,169 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-13 15:41:35,172 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 15:41:35,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 03:41:35 BoogieIcfgContainer [2022-07-13 15:41:35,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 15:41:35,186 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 15:41:35,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 15:41:35,190 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 15:41:35,191 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:41:34" (3/4) ... [2022-07-13 15:41:35,193 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 15:41:35,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2022-07-13 15:41:35,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2022-07-13 15:41:35,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2022-07-13 15:41:35,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-07-13 15:41:35,210 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-07-13 15:41:35,211 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-07-13 15:41:35,212 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-13 15:41:35,212 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 15:41:35,212 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 15:41:35,283 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 15:41:35,283 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 15:41:35,284 INFO L158 Benchmark]: Toolchain (without parser) took 2238.63ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 77.9MB in the beginning and 59.6MB in the end (delta: 18.2MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2022-07-13 15:41:35,284 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 107.0MB. Free memory was 63.3MB in the beginning and 63.2MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 15:41:35,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.26ms. Allocated memory is still 107.0MB. Free memory was 77.9MB in the beginning and 75.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 15:41:35,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.37ms. Allocated memory is still 107.0MB. Free memory was 75.3MB in the beginning and 72.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 15:41:35,285 INFO L158 Benchmark]: Boogie Preprocessor took 27.41ms. Allocated memory is still 107.0MB. Free memory was 72.1MB in the beginning and 69.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 15:41:35,285 INFO L158 Benchmark]: RCFGBuilder took 636.65ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 69.0MB in the beginning and 89.5MB in the end (delta: -20.5MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2022-07-13 15:41:35,286 INFO L158 Benchmark]: TraceAbstraction took 1055.55ms. Allocated memory is still 130.0MB. Free memory was 88.9MB in the beginning and 68.0MB in the end (delta: 20.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2022-07-13 15:41:35,286 INFO L158 Benchmark]: Witness Printer took 97.14ms. Allocated memory is still 130.0MB. Free memory was 68.0MB in the beginning and 59.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 15:41:35,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 107.0MB. Free memory was 63.3MB in the beginning and 63.2MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.26ms. Allocated memory is still 107.0MB. Free memory was 77.9MB in the beginning and 75.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.37ms. Allocated memory is still 107.0MB. Free memory was 75.3MB in the beginning and 72.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.41ms. Allocated memory is still 107.0MB. Free memory was 72.1MB in the beginning and 69.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 636.65ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 69.0MB in the beginning and 89.5MB in the end (delta: -20.5MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1055.55ms. Allocated memory is still 130.0MB. Free memory was 88.9MB in the beginning and 68.0MB in the end (delta: 20.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Witness Printer took 97.14ms. Allocated memory is still 130.0MB. Free memory was 68.0MB in the beginning and 59.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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 - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 436 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 139 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 297 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 69 PreInvPairs, 97 NumberOfFragments, 27 HoareAnnotationTreeSize, 69 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 1 NumberOfNonLiveVariables, 417 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: 1 <= Id_MCDC_103 RESULT: Ultimate proved your program to be correct! [2022-07-13 15:41:35,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE