./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/net_reset.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC --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 b4218829ef5c006a2a19bea063c1292679192a9f ............................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:25:56,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:25:56,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:25:56,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:25:56,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:25:56,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:25:56,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:25:56,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:25:56,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:25:56,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:25:56,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:25:56,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:25:56,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:25:56,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:25:56,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:25:56,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:25:56,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:25:56,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:25:56,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:25:56,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:25:56,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:25:56,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:25:56,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:25:56,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:25:56,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:25:56,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:25:56,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:25:56,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:25:56,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:25:56,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:25:56,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:25:56,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:25:56,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:25:56,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:25:56,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:25:56,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:25:56,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:25:56,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:25:56,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:25:56,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:25:56,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:25:56,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:25:56,480 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:25:56,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:25:56,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:25:56,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:25:56,483 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:25:56,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:25:56,484 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:25:56,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:25:56,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:25:56,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:25:56,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:25:56,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:25:56,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:25:56,487 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:25:56,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:25:56,488 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:25:56,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:25:56,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:25:56,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:25:56,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:25:56,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:25:56,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:25:56,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:25:56,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:25:56,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:25:56,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:25:56,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:25:56,493 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:25:56,494 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4218829ef5c006a2a19bea063c1292679192a9f [2021-10-11 00:25:56,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:25:56,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:25:56,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:25:56,861 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:25:56,868 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:25:56,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/loops-crafted-1/net_reset.c [2021-10-11 00:25:56,992 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC/data/7dfaa9808/1f5154982063441aaa150d1e0f9590d8/FLAGb2d425ca3 [2021-10-11 00:25:57,623 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:25:57,624 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/sv-benchmarks/c/loops-crafted-1/net_reset.c [2021-10-11 00:25:57,637 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC/data/7dfaa9808/1f5154982063441aaa150d1e0f9590d8/FLAGb2d425ca3 [2021-10-11 00:25:57,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC/data/7dfaa9808/1f5154982063441aaa150d1e0f9590d8 [2021-10-11 00:25:57,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:25:57,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:25:57,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:25:57,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:25:57,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:25:57,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:57" (1/1) ... [2021-10-11 00:25:57,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55074603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:57, skipping insertion in model container [2021-10-11 00:25:57,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:57" (1/1) ... [2021-10-11 00:25:58,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:25:58,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:25:58,248 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/sv-benchmarks/c/loops-crafted-1/net_reset.c[4546,4559] [2021-10-11 00:25:58,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:25:59,472 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:25:59,585 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/sv-benchmarks/c/loops-crafted-1/net_reset.c[4546,4559] [2021-10-11 00:25:59,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:25:59,609 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:25:59,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:59 WrapperNode [2021-10-11 00:25:59,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:25:59,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:25:59,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:25:59,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:25:59,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:59" (1/1) ... [2021-10-11 00:25:59,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:59" (1/1) ... [2021-10-11 00:25:59,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:25:59,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:25:59,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:25:59,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:25:59,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:59" (1/1) ... [2021-10-11 00:25:59,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:59" (1/1) ... [2021-10-11 00:25:59,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:59" (1/1) ... [2021-10-11 00:25:59,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:59" (1/1) ... [2021-10-11 00:25:59,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:59" (1/1) ... [2021-10-11 00:25:59,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:59" (1/1) ... [2021-10-11 00:25:59,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:59" (1/1) ... [2021-10-11 00:25:59,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:25:59,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:25:59,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:25:59,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:25:59,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:59" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:25:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure addrcmp [2021-10-11 00:25:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:25:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:25:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:25:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:25:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:25:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:26:00,328 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:26:00,329 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-10-11 00:26:00,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:00 BoogieIcfgContainer [2021-10-11 00:26:00,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:26:00,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:26:00,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:26:00,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:26:00,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:25:57" (1/3) ... [2021-10-11 00:26:00,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d8f404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:00, skipping insertion in model container [2021-10-11 00:26:00,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:59" (2/3) ... [2021-10-11 00:26:00,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d8f404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:00, skipping insertion in model container [2021-10-11 00:26:00,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:00" (3/3) ... [2021-10-11 00:26:00,341 INFO L111 eAbstractionObserver]: Analyzing ICFG net_reset.c [2021-10-11 00:26:00,357 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:26:00,361 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:26:00,373 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:26:00,399 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:26:00,399 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:26:00,399 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:26:00,399 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:26:00,400 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:26:00,400 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:26:00,400 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:26:00,400 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:26:00,414 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2021-10-11 00:26:00,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 00:26:00,420 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:00,420 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:26:00,421 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:00,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:00,428 INFO L82 PathProgramCache]: Analyzing trace with hash 128900059, now seen corresponding path program 1 times [2021-10-11 00:26:00,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:00,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189579730] [2021-10-11 00:26:00,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:00,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189579730] [2021-10-11 00:26:00,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:00,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:26:00,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070483572] [2021-10-11 00:26:00,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:26:00,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:00,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:26:00,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:26:00,778 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 4 states. [2021-10-11 00:26:00,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:00,864 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2021-10-11 00:26:00,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:26:00,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2021-10-11 00:26:00,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:00,873 INFO L225 Difference]: With dead ends: 27 [2021-10-11 00:26:00,873 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:26:00,876 INFO L677 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 [2021-10-11 00:26:00,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:26:00,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:26:00,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:26:00,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:26:00,908 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2021-10-11 00:26:00,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:00,908 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:26:00,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:26:00,908 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:26:00,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:26:00,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:26:00,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:26:00,977 INFO L262 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2021-10-11 00:26:00,977 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:26:00,978 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:26:00,978 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:26:00,978 INFO L258 CegarLoopResult]: At program point L218(lines 218 228) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-10-11 00:26:00,978 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 195) no Hoare annotation was computed. [2021-10-11 00:26:00,979 INFO L258 CegarLoopResult]: At program point L214(lines 205 215) the Hoare annotation is: (and (<= ~batch_at~0 ULTIMATE.start_net_send_batch_~i~0) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-10-11 00:26:00,979 INFO L262 CegarLoopResult]: For program point L210(lines 210 211) no Hoare annotation was computed. [2021-10-11 00:26:00,979 INFO L262 CegarLoopResult]: For program point L194(lines 194 196) no Hoare annotation was computed. [2021-10-11 00:26:00,979 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:26:00,979 INFO L258 CegarLoopResult]: At program point L194-2(lines 193 198) the Hoare annotation is: false [2021-10-11 00:26:00,979 INFO L262 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2021-10-11 00:26:00,980 INFO L258 CegarLoopResult]: At program point L236(lines 233 237) the Hoare annotation is: (and (<= ~batch_at~0 ULTIMATE.start_net_send_batch_~i~0) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-10-11 00:26:00,980 INFO L262 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2021-10-11 00:26:00,980 INFO L262 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2021-10-11 00:26:00,980 INFO L262 CegarLoopResult]: For program point L216(lines 216 231) no Hoare annotation was computed. [2021-10-11 00:26:00,980 INFO L262 CegarLoopResult]: For program point L208-2(lines 208 213) no Hoare annotation was computed. [2021-10-11 00:26:00,980 INFO L258 CegarLoopResult]: At program point L208-3(lines 208 213) the Hoare annotation is: (and (<= ~batch_at~0 ULTIMATE.start_net_send_batch_~i~0) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-10-11 00:26:00,981 INFO L262 CegarLoopResult]: For program point L208-4(lines 208 213) no Hoare annotation was computed. [2021-10-11 00:26:00,981 INFO L262 CegarLoopResult]: For program point L200(lines 200 204) no Hoare annotation was computed. [2021-10-11 00:26:00,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:26:00 BoogieIcfgContainer [2021-10-11 00:26:00,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:26:01,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:26:01,000 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:26:01,001 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:26:01,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:00" (3/4) ... [2021-10-11 00:26:01,005 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:26:01,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:26:01,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:26:01,018 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:26:01,018 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:26:01,071 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc7f4a9-aeae-4e3e-8ae5-8ae645f446ec/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:26:01,072 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:26:01,074 INFO L168 Benchmark]: Toolchain (without parser) took 3087.83 ms. Allocated memory was 102.8 MB in the beginning and 216.0 MB in the end (delta: 113.2 MB). Free memory was 70.7 MB in the beginning and 98.8 MB in the end (delta: -28.1 MB). Peak memory consumption was 85.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:01,074 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 102.8 MB. Free memory was 58.1 MB in the beginning and 58.1 MB in the end (delta: 55.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:01,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1623.31 ms. Allocated memory was 102.8 MB in the beginning and 216.0 MB in the end (delta: 113.2 MB). Free memory was 70.5 MB in the beginning and 113.7 MB in the end (delta: -43.2 MB). Peak memory consumption was 120.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:01,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.94 ms. Allocated memory is still 216.0 MB. Free memory was 113.7 MB in the beginning and 112.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:01,076 INFO L168 Benchmark]: Boogie Preprocessor took 38.49 ms. Allocated memory is still 216.0 MB. Free memory was 112.5 MB in the beginning and 110.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:01,077 INFO L168 Benchmark]: RCFGBuilder took 637.19 ms. Allocated memory is still 216.0 MB. Free memory was 110.9 MB in the beginning and 92.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:01,077 INFO L168 Benchmark]: TraceAbstraction took 666.93 ms. Allocated memory is still 216.0 MB. Free memory was 91.5 MB in the beginning and 102.2 MB in the end (delta: -10.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:01,078 INFO L168 Benchmark]: Witness Printer took 71.50 ms. Allocated memory is still 216.0 MB. Free memory was 102.2 MB in the beginning and 98.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:01,081 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 102.8 MB. Free memory was 58.1 MB in the beginning and 58.1 MB in the end (delta: 55.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1623.31 ms. Allocated memory was 102.8 MB in the beginning and 216.0 MB in the end (delta: 113.2 MB). Free memory was 70.5 MB in the beginning and 113.7 MB in the end (delta: -43.2 MB). Peak memory consumption was 120.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.94 ms. Allocated memory is still 216.0 MB. Free memory was 113.7 MB in the beginning and 112.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.49 ms. Allocated memory is still 216.0 MB. Free memory was 112.5 MB in the beginning and 110.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 637.19 ms. Allocated memory is still 216.0 MB. Free memory was 110.9 MB in the beginning and 92.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 666.93 ms. Allocated memory is still 216.0 MB. Free memory was 91.5 MB in the beginning and 102.2 MB in the end (delta: -10.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 71.50 ms. Allocated memory is still 216.0 MB. Free memory was 102.2 MB in the beginning and 98.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 195]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: batch_at + 1 <= fstTTL - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: batch_at <= i && batch_at + 1 <= fstTTL - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: batch_at <= i && batch_at + 1 <= fstTTL - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: batch_at <= i && batch_at + 1 <= fstTTL - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 SDtfs, 20 SDslu, 7 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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, 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, 91 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...