./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/net_reset.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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/loops-crafted-1/net_reset.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 48a2a400cc1e430cf3a7236322ca51cea128f6d0bcc04e32eb2b758fbcaa0711 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 12:23:57,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 12:23:57,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 12:23:58,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 12:23:58,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 12:23:58,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 12:23:58,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 12:23:58,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 12:23:58,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 12:23:58,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 12:23:58,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 12:23:58,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 12:23:58,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 12:23:58,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 12:23:58,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 12:23:58,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 12:23:58,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 12:23:58,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 12:23:58,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 12:23:58,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 12:23:58,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 12:23:58,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 12:23:58,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 12:23:58,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 12:23:58,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 12:23:58,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 12:23:58,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 12:23:58,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 12:23:58,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 12:23:58,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 12:23:58,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 12:23:58,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 12:23:58,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 12:23:58,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 12:23:58,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 12:23:58,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 12:23:58,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 12:23:58,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 12:23:58,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 12:23:58,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 12:23:58,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 12:23:58,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 12:23:58,056 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 12:23:58,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 12:23:58,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 12:23:58,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 12:23:58,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 12:23:58,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 12:23:58,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 12:23:58,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 12:23:58,060 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 12:23:58,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 12:23:58,061 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 12:23:58,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 12:23:58,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 12:23:58,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 12:23:58,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 12:23:58,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 12:23:58,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 12:23:58,062 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 12:23:58,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 12:23:58,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 12:23:58,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 12:23:58,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 12:23:58,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 12:23:58,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 12:23:58,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:23:58,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 12:23:58,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 12:23:58,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 12:23:58,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 12:23:58,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 12:23:58,064 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 12:23:58,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 12:23:58,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 12:23:58,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 12:23:58,065 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48a2a400cc1e430cf3a7236322ca51cea128f6d0bcc04e32eb2b758fbcaa0711 [2021-12-21 12:23:58,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 12:23:58,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 12:23:58,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 12:23:58,255 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 12:23:58,255 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 12:23:58,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/net_reset.c [2021-12-21 12:23:58,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/616ff870d/e797a4b195174d1397fbf7ead12d161c/FLAGb0cc4e02a [2021-12-21 12:23:58,677 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 12:23:58,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/net_reset.c [2021-12-21 12:23:58,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/616ff870d/e797a4b195174d1397fbf7ead12d161c/FLAGb0cc4e02a [2021-12-21 12:23:58,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/616ff870d/e797a4b195174d1397fbf7ead12d161c [2021-12-21 12:23:58,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 12:23:58,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 12:23:58,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 12:23:58,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 12:23:58,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 12:23:58,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:23:58" (1/1) ... [2021-12-21 12:23:58,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15155709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:23:58, skipping insertion in model container [2021-12-21 12:23:58,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:23:58" (1/1) ... [2021-12-21 12:23:58,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 12:23:58,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 12:23:58,910 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/loops-crafted-1/net_reset.c[4546,4559] [2021-12-21 12:23:58,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:23:59,503 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 12:23:59,528 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/loops-crafted-1/net_reset.c[4546,4559] [2021-12-21 12:23:59,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:23:59,541 INFO L208 MainTranslator]: Completed translation [2021-12-21 12:23:59,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:23:59 WrapperNode [2021-12-21 12:23:59,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 12:23:59,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 12:23:59,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 12:23:59,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 12:23:59,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:23:59" (1/1) ... [2021-12-21 12:23:59,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:23:59" (1/1) ... [2021-12-21 12:23:59,570 INFO L137 Inliner]: procedures = 17, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 85 [2021-12-21 12:23:59,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 12:23:59,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 12:23:59,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 12:23:59,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 12:23:59,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:23:59" (1/1) ... [2021-12-21 12:23:59,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:23:59" (1/1) ... [2021-12-21 12:23:59,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:23:59" (1/1) ... [2021-12-21 12:23:59,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:23:59" (1/1) ... [2021-12-21 12:23:59,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:23:59" (1/1) ... [2021-12-21 12:23:59,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:23:59" (1/1) ... [2021-12-21 12:23:59,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:23:59" (1/1) ... [2021-12-21 12:23:59,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 12:23:59,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 12:23:59,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 12:23:59,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 12:23:59,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:23:59" (1/1) ... [2021-12-21 12:23:59,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:23:59,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:23:59,636 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) [2021-12-21 12:23:59,644 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 [2021-12-21 12:23:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 12:23:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure addrcmp [2021-12-21 12:23:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 12:23:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 12:23:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 12:23:59,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 12:23:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 12:23:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 12:23:59,775 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 12:23:59,776 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 12:23:59,879 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 12:23:59,883 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 12:23:59,883 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 12:23:59,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:23:59 BoogieIcfgContainer [2021-12-21 12:23:59,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 12:23:59,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 12:23:59,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 12:23:59,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 12:23:59,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 12:23:58" (1/3) ... [2021-12-21 12:23:59,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac5a16f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:23:59, skipping insertion in model container [2021-12-21 12:23:59,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:23:59" (2/3) ... [2021-12-21 12:23:59,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac5a16f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:23:59, skipping insertion in model container [2021-12-21 12:23:59,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:23:59" (3/3) ... [2021-12-21 12:23:59,894 INFO L111 eAbstractionObserver]: Analyzing ICFG net_reset.c [2021-12-21 12:23:59,897 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 12:23:59,897 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 12:23:59,934 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 12:23:59,940 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 [2021-12-21 12:23:59,940 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 12:23:59,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 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) [2021-12-21 12:23:59,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-12-21 12:23:59,954 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:23:59,954 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:23:59,955 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:23:59,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:23:59,958 INFO L85 PathProgramCache]: Analyzing trace with hash 128900059, now seen corresponding path program 1 times [2021-12-21 12:23:59,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:23:59,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476878628] [2021-12-21 12:23:59,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:23:59,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:24:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:24:00,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:24:00,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:24:00,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476878628] [2021-12-21 12:24:00,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476878628] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:24:00,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:24:00,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 12:24:00,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573311140] [2021-12-21 12:24:00,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:24:00,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 12:24:00,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:24:00,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 12:24:00,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 12:24:00,168 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 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 has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-12-21 12:24:00,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:24:00,191 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2021-12-21 12:24:00,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 12:24:00,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2021-12-21 12:24:00,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:24:00,197 INFO L225 Difference]: With dead ends: 27 [2021-12-21 12:24:00,197 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 12:24:00,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:24:00,200 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 20 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:24:00,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 20 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:24:00,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 12:24:00,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 12:24:00,214 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) [2021-12-21 12:24:00,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 12:24:00,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2021-12-21 12:24:00,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:24:00,215 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 12:24:00,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-12-21 12:24:00,216 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 12:24:00,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 12:24:00,217 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 12:24:00,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 12:24:00,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 12:24:00,250 INFO L858 garLoopResultBuilder]: For program point L226(line 226) no Hoare annotation was computed. [2021-12-21 12:24:00,250 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 12:24:00,251 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 12:24:00,251 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 12:24:00,251 INFO L854 garLoopResultBuilder]: At program point L218(lines 218 228) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-12-21 12:24:00,252 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 195) no Hoare annotation was computed. [2021-12-21 12:24:00,254 INFO L854 garLoopResultBuilder]: At program point L214(lines 205 215) the Hoare annotation is: (and (<= ~batch_at~0 |ULTIMATE.start_net_send_batch_~i~0#1|) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-12-21 12:24:00,255 INFO L858 garLoopResultBuilder]: For program point L210(lines 210 211) no Hoare annotation was computed. [2021-12-21 12:24:00,255 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 196) no Hoare annotation was computed. [2021-12-21 12:24:00,256 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 12:24:00,256 INFO L854 garLoopResultBuilder]: At program point L194-2(lines 193 198) the Hoare annotation is: false [2021-12-21 12:24:00,257 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-21 12:24:00,257 INFO L854 garLoopResultBuilder]: At program point L236(lines 233 237) the Hoare annotation is: (and (<= ~batch_at~0 |ULTIMATE.start_net_send_batch_~i~0#1|) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-12-21 12:24:00,257 INFO L858 garLoopResultBuilder]: For program point L195(line 195) no Hoare annotation was computed. [2021-12-21 12:24:00,257 INFO L858 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2021-12-21 12:24:00,258 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 231) no Hoare annotation was computed. [2021-12-21 12:24:00,258 INFO L858 garLoopResultBuilder]: For program point L208-2(lines 208 213) no Hoare annotation was computed. [2021-12-21 12:24:00,258 INFO L854 garLoopResultBuilder]: At program point L208-3(lines 208 213) the Hoare annotation is: (and (<= ~batch_at~0 |ULTIMATE.start_net_send_batch_~i~0#1|) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-12-21 12:24:00,258 INFO L858 garLoopResultBuilder]: For program point L208-4(lines 208 213) no Hoare annotation was computed. [2021-12-21 12:24:00,259 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 204) no Hoare annotation was computed. [2021-12-21 12:24:00,262 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-21 12:24:00,263 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 12:24:00,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 12:24:00 BoogieIcfgContainer [2021-12-21 12:24:00,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 12:24:00,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 12:24:00,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 12:24:00,279 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 12:24:00,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:23:59" (3/4) ... [2021-12-21 12:24:00,281 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 12:24:00,289 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-12-21 12:24:00,289 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 12:24:00,289 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 12:24:00,289 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 12:24:00,321 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 12:24:00,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 12:24:00,322 INFO L158 Benchmark]: Toolchain (without parser) took 1619.95ms. Allocated memory was 113.2MB in the beginning and 201.3MB in the end (delta: 88.1MB). Free memory was 84.1MB in the beginning and 64.9MB in the end (delta: 19.1MB). Peak memory consumption was 106.9MB. Max. memory is 16.1GB. [2021-12-21 12:24:00,322 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:24:00,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 836.28ms. Allocated memory was 113.2MB in the beginning and 201.3MB in the end (delta: 88.1MB). Free memory was 83.3MB in the beginning and 81.3MB in the end (delta: 2.0MB). Peak memory consumption was 124.7MB. Max. memory is 16.1GB. [2021-12-21 12:24:00,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.94ms. Allocated memory is still 201.3MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:24:00,326 INFO L158 Benchmark]: Boogie Preprocessor took 19.19ms. Allocated memory is still 201.3MB. Free memory was 79.2MB in the beginning and 77.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:24:00,327 INFO L158 Benchmark]: RCFGBuilder took 285.74ms. Allocated memory is still 201.3MB. Free memory was 77.9MB in the beginning and 93.6MB in the end (delta: -15.7MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-12-21 12:24:00,327 INFO L158 Benchmark]: TraceAbstraction took 392.67ms. Allocated memory is still 201.3MB. Free memory was 92.9MB in the beginning and 68.5MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-21 12:24:00,327 INFO L158 Benchmark]: Witness Printer took 42.79ms. Allocated memory is still 201.3MB. Free memory was 68.5MB in the beginning and 64.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 12:24:00,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 836.28ms. Allocated memory was 113.2MB in the beginning and 201.3MB in the end (delta: 88.1MB). Free memory was 83.3MB in the beginning and 81.3MB in the end (delta: 2.0MB). Peak memory consumption was 124.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.94ms. Allocated memory is still 201.3MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.19ms. Allocated memory is still 201.3MB. Free memory was 79.2MB in the beginning and 77.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 285.74ms. Allocated memory is still 201.3MB. Free memory was 77.9MB in the beginning and 93.6MB in the end (delta: -15.7MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * TraceAbstraction took 392.67ms. Allocated memory is still 201.3MB. Free memory was 92.9MB in the beginning and 68.5MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 42.79ms. Allocated memory is still 201.3MB. Free memory was 68.5MB in the beginning and 64.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. 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: 195]: 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 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 13 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 8 NumberOfFragments, 33 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 233]: Loop Invariant Derived loop invariant: batch_at <= i && batch_at + 1 <= fstTTL - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: batch_at + 1 <= fstTTL - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: batch_at <= i && batch_at + 1 <= fstTTL - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: batch_at <= i && batch_at + 1 <= fstTTL RESULT: Ultimate proved your program to be correct! [2021-12-21 12:24:00,368 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