./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD --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 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:52:47,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:52:47,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:52:47,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:52:47,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:52:47,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:52:47,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:52:47,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:52:47,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:52:47,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:52:47,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:52:47,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:52:47,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:52:47,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:52:47,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:52:47,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:52:47,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:52:47,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:52:47,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:52:47,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:52:47,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:52:47,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:52:47,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:52:47,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:52:47,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:52:47,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:52:47,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:52:47,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:52:47,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:52:47,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:52:47,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:52:47,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:52:47,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:52:47,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:52:47,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:52:47,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:52:47,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:52:47,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:52:47,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:52:47,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:52:47,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:52:47,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:52:47,381 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:52:47,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:52:47,382 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:52:47,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:52:47,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:52:47,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:52:47,392 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:52:47,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:52:47,393 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:52:47,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:52:47,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:52:47,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:52:47,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:52:47,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:52:47,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:52:47,396 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:52:47,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:52:47,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:52:47,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:52:47,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:52:47,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:52:47,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:52:47,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:52:47,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:52:47,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:52:47,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:52:47,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:52:47,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:52:47,399 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:52:47,402 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:52:47,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:52:47,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:52:47,403 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_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a [2021-10-28 22:52:47,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:52:47,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:52:47,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:52:47,763 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:52:47,764 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:52:47,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-10-28 22:52:47,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/data/4468e2ce7/9531e3bc91a04c0bb1b83f5918f548c4/FLAG51c657034 [2021-10-28 22:52:48,467 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:52:48,468 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-10-28 22:52:48,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/data/4468e2ce7/9531e3bc91a04c0bb1b83f5918f548c4/FLAG51c657034 [2021-10-28 22:52:48,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/data/4468e2ce7/9531e3bc91a04c0bb1b83f5918f548c4 [2021-10-28 22:52:48,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:52:48,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:52:48,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:52:48,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:52:48,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:52:48,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:52:48" (1/1) ... [2021-10-28 22:52:48,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa8ddc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:48, skipping insertion in model container [2021-10-28 22:52:48,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:52:48" (1/1) ... [2021-10-28 22:52:48,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:52:48,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:52:49,083 WARN L228 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_919619d3-45bc-4df7-a0d1-e436a9245091/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2021-10-28 22:52:49,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:52:49,122 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:52:49,234 WARN L228 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_919619d3-45bc-4df7-a0d1-e436a9245091/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2021-10-28 22:52:49,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:52:49,298 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:52:49,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:49 WrapperNode [2021-10-28 22:52:49,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:52:49,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:52:49,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:52:49,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:52:49,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:49" (1/1) ... [2021-10-28 22:52:49,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:49" (1/1) ... [2021-10-28 22:52:49,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:52:49,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:52:49,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:52:49,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:52:49,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:49" (1/1) ... [2021-10-28 22:52:49,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:49" (1/1) ... [2021-10-28 22:52:49,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:49" (1/1) ... [2021-10-28 22:52:49,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:49" (1/1) ... [2021-10-28 22:52:49,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:49" (1/1) ... [2021-10-28 22:52:49,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:49" (1/1) ... [2021-10-28 22:52:49,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:49" (1/1) ... [2021-10-28 22:52:49,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:52:49,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:52:49,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:52:49,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:52:49,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:49" (1/1) ... [2021-10-28 22:52:49,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:52:49,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:52:49,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:52:49,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:52:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:52:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:52:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:52:49,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:52:50,647 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:52:50,648 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-28 22:52:50,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:50 BoogieIcfgContainer [2021-10-28 22:52:50,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:52:50,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:52:50,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:52:50,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:52:50,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:52:48" (1/3) ... [2021-10-28 22:52:50,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2085c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:52:50, skipping insertion in model container [2021-10-28 22:52:50,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:49" (2/3) ... [2021-10-28 22:52:50,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2085c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:52:50, skipping insertion in model container [2021-10-28 22:52:50,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:50" (3/3) ... [2021-10-28 22:52:50,665 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2021-10-28 22:52:50,676 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:52:50,677 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 22:52:50,763 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:52:50,774 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 [2021-10-28 22:52:50,774 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 22:52:50,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 105 states have (on average 1.5523809523809524) internal successors, (163), 108 states have internal predecessors, (163), 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) [2021-10-28 22:52:50,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 22:52:50,811 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:50,812 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:52:50,812 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:50,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:50,820 INFO L85 PathProgramCache]: Analyzing trace with hash 631358255, now seen corresponding path program 1 times [2021-10-28 22:52:50,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:52:50,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995970480] [2021-10-28 22:52:50,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:50,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:52:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:51,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:52:51,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995970480] [2021-10-28 22:52:51,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995970480] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:51,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:52:51,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:52:51,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945672274] [2021-10-28 22:52:51,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:52:51,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:52:51,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:52:51,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:52:51,326 INFO L87 Difference]: Start difference. First operand has 109 states, 105 states have (on average 1.5523809523809524) internal successors, (163), 108 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-28 22:52:51,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:51,391 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2021-10-28 22:52:51,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:52:51,393 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-28 22:52:51,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:51,414 INFO L225 Difference]: With dead ends: 211 [2021-10-28 22:52:51,414 INFO L226 Difference]: Without dead ends: 105 [2021-10-28 22:52:51,420 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:52:51,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-28 22:52:51,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-10-28 22:52:51,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 104 states have internal predecessors, (151), 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) [2021-10-28 22:52:51,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2021-10-28 22:52:51,490 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2021-10-28 22:52:51,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:51,492 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2021-10-28 22:52:51,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-28 22:52:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2021-10-28 22:52:51,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 22:52:51,497 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:51,497 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:52:51,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:52:51,498 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:51,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:51,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1546440637, now seen corresponding path program 1 times [2021-10-28 22:52:51,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:52:51,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027722848] [2021-10-28 22:52:51,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:51,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:52:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:51,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:52:51,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027722848] [2021-10-28 22:52:51,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027722848] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:51,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:52:51,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:52:51,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808099948] [2021-10-28 22:52:51,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:52:51,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:52:51,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:52:51,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:52:51,685 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-28 22:52:51,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:51,697 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2021-10-28 22:52:51,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:52:51,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-10-28 22:52:51,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:51,699 INFO L225 Difference]: With dead ends: 105 [2021-10-28 22:52:51,700 INFO L226 Difference]: Without dead ends: 45 [2021-10-28 22:52:51,701 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:52:51,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-28 22:52:51,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-28 22:52:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 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) [2021-10-28 22:52:51,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-28 22:52:51,708 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2021-10-28 22:52:51,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:51,708 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-28 22:52:51,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-28 22:52:51,709 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-28 22:52:51,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 22:52:51,710 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:51,711 INFO L513 BasicCegarLoop]: 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, 1] [2021-10-28 22:52:51,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:52:51,711 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:51,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:51,712 INFO L85 PathProgramCache]: Analyzing trace with hash -2132184394, now seen corresponding path program 1 times [2021-10-28 22:52:51,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:52:51,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610263131] [2021-10-28 22:52:51,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:51,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:52:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:51,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:51,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:52:51,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610263131] [2021-10-28 22:52:51,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610263131] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:51,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:52:51,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:52:51,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123994255] [2021-10-28 22:52:51,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:52:51,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:52:51,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:52:51,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:52:51,821 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2021-10-28 22:52:51,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:51,841 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2021-10-28 22:52:51,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:52:51,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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 24 [2021-10-28 22:52:51,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:51,846 INFO L225 Difference]: With dead ends: 83 [2021-10-28 22:52:51,847 INFO L226 Difference]: Without dead ends: 45 [2021-10-28 22:52:51,847 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:52:51,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-28 22:52:51,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-28 22:52:51,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 44 states have internal predecessors, (63), 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) [2021-10-28 22:52:51,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2021-10-28 22:52:51,857 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2021-10-28 22:52:51,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:51,857 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2021-10-28 22:52:51,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2021-10-28 22:52:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2021-10-28 22:52:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 22:52:51,859 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:51,859 INFO L513 BasicCegarLoop]: 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, 1, 1, 1] [2021-10-28 22:52:51,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:52:51,860 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:51,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:51,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1437786744, now seen corresponding path program 1 times [2021-10-28 22:52:51,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:52:51,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361625675] [2021-10-28 22:52:51,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:51,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:52:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:51,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:52:51,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361625675] [2021-10-28 22:52:51,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361625675] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:51,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:52:51,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:52:51,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180146132] [2021-10-28 22:52:51,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:52:51,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:52:51,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:52:51,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:52:51,975 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 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) [2021-10-28 22:52:52,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:52,116 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2021-10-28 22:52:52,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 22:52:52,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 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) Word has length 26 [2021-10-28 22:52:52,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:52,119 INFO L225 Difference]: With dead ends: 207 [2021-10-28 22:52:52,119 INFO L226 Difference]: Without dead ends: 169 [2021-10-28 22:52:52,120 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:52:52,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-10-28 22:52:52,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2021-10-28 22:52:52,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4415584415584415) internal successors, (111), 77 states have internal predecessors, (111), 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) [2021-10-28 22:52:52,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2021-10-28 22:52:52,137 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2021-10-28 22:52:52,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:52,137 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2021-10-28 22:52:52,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 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) [2021-10-28 22:52:52,138 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2021-10-28 22:52:52,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 22:52:52,142 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:52,143 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1] [2021-10-28 22:52:52,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:52:52,144 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:52,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:52,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1841086480, now seen corresponding path program 1 times [2021-10-28 22:52:52,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:52:52,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039211675] [2021-10-28 22:52:52,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:52,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:52:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:52,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:52,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:52:52,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039211675] [2021-10-28 22:52:52,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039211675] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:52,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:52:52,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:52:52,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468209808] [2021-10-28 22:52:52,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:52:52,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:52:52,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:52:52,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:52:52,264 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-28 22:52:52,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:52,343 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2021-10-28 22:52:52,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:52:52,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2021-10-28 22:52:52,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:52,344 INFO L225 Difference]: With dead ends: 176 [2021-10-28 22:52:52,344 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 22:52:52,349 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:52:52,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 22:52:52,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 22:52:52,350 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) [2021-10-28 22:52:52,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:52:52,351 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-10-28 22:52:52,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:52,351 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:52:52,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-28 22:52:52,352 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:52:52,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 22:52:52,357 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:52,358 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:52,359 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:52,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:52:52,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 22:52:52,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:52,786 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 660) no Hoare annotation was computed. [2021-10-28 22:52:52,786 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 601) no Hoare annotation was computed. [2021-10-28 22:52:52,787 INFO L857 garLoopResultBuilder]: For program point L436(lines 436 453) no Hoare annotation was computed. [2021-10-28 22:52:52,787 INFO L853 garLoopResultBuilder]: At program point L436-1(lines 1 943) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:52:52,787 INFO L857 garLoopResultBuilder]: For program point L436-2(lines 436 453) no Hoare annotation was computed. [2021-10-28 22:52:52,787 INFO L853 garLoopResultBuilder]: At program point L436-3(lines 1 943) the Hoare annotation is: false [2021-10-28 22:52:52,787 INFO L857 garLoopResultBuilder]: For program point L436-4(lines 436 453) no Hoare annotation was computed. [2021-10-28 22:52:52,787 INFO L853 garLoopResultBuilder]: At program point L436-5(lines 1 943) the Hoare annotation is: false [2021-10-28 22:52:52,788 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 784) no Hoare annotation was computed. [2021-10-28 22:52:52,788 INFO L857 garLoopResultBuilder]: For program point L767-1(lines 767 784) no Hoare annotation was computed. [2021-10-28 22:52:52,788 INFO L857 garLoopResultBuilder]: For program point L767-2(lines 767 784) no Hoare annotation was computed. [2021-10-28 22:52:52,788 INFO L853 garLoopResultBuilder]: At program point L470-2(lines 470 484) the Hoare annotation is: false [2021-10-28 22:52:52,788 INFO L857 garLoopResultBuilder]: For program point L900(lines 900 906) no Hoare annotation was computed. [2021-10-28 22:52:52,788 INFO L853 garLoopResultBuilder]: At program point L900-1(lines 900 906) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:52:52,789 INFO L857 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2021-10-28 22:52:52,789 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 660) no Hoare annotation was computed. [2021-10-28 22:52:52,789 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 873) no Hoare annotation was computed. [2021-10-28 22:52:52,789 INFO L857 garLoopResultBuilder]: For program point L869-2(lines 869 873) no Hoare annotation was computed. [2021-10-28 22:52:52,789 INFO L857 garLoopResultBuilder]: For program point L869-3(lines 869 873) no Hoare annotation was computed. [2021-10-28 22:52:52,789 INFO L857 garLoopResultBuilder]: For program point L869-5(lines 869 873) no Hoare annotation was computed. [2021-10-28 22:52:52,790 INFO L857 garLoopResultBuilder]: For program point L869-6(lines 869 873) no Hoare annotation was computed. [2021-10-28 22:52:52,790 INFO L857 garLoopResultBuilder]: For program point L869-8(lines 869 873) no Hoare annotation was computed. [2021-10-28 22:52:52,790 INFO L857 garLoopResultBuilder]: For program point L869-9(lines 869 873) no Hoare annotation was computed. [2021-10-28 22:52:52,790 INFO L857 garLoopResultBuilder]: For program point L869-11(lines 869 873) no Hoare annotation was computed. [2021-10-28 22:52:52,790 INFO L857 garLoopResultBuilder]: For program point L869-12(lines 869 873) no Hoare annotation was computed. [2021-10-28 22:52:52,790 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 450) no Hoare annotation was computed. [2021-10-28 22:52:52,790 INFO L857 garLoopResultBuilder]: For program point L869-14(lines 869 873) no Hoare annotation was computed. [2021-10-28 22:52:52,790 INFO L857 garLoopResultBuilder]: For program point L440-2(lines 440 450) no Hoare annotation was computed. [2021-10-28 22:52:52,791 INFO L857 garLoopResultBuilder]: For program point L869-15(lines 869 873) no Hoare annotation was computed. [2021-10-28 22:52:52,791 INFO L857 garLoopResultBuilder]: For program point L869-17(lines 869 873) no Hoare annotation was computed. [2021-10-28 22:52:52,791 INFO L857 garLoopResultBuilder]: For program point L440-4(lines 440 450) no Hoare annotation was computed. [2021-10-28 22:52:52,791 INFO L853 garLoopResultBuilder]: At program point L936(lines 889 937) the Hoare annotation is: false [2021-10-28 22:52:52,791 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 779) no Hoare annotation was computed. [2021-10-28 22:52:52,791 INFO L857 garLoopResultBuilder]: For program point L771-1(lines 771 779) no Hoare annotation was computed. [2021-10-28 22:52:52,792 INFO L857 garLoopResultBuilder]: For program point L771-2(lines 771 779) no Hoare annotation was computed. [2021-10-28 22:52:52,792 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 577) no Hoare annotation was computed. [2021-10-28 22:52:52,792 INFO L857 garLoopResultBuilder]: For program point L573-3(lines 573 577) no Hoare annotation was computed. [2021-10-28 22:52:52,792 INFO L857 garLoopResultBuilder]: For program point L474(lines 474 478) no Hoare annotation was computed. [2021-10-28 22:52:52,792 INFO L857 garLoopResultBuilder]: For program point L441(lines 441 447) no Hoare annotation was computed. [2021-10-28 22:52:52,792 INFO L857 garLoopResultBuilder]: For program point L474-1(lines 709 715) no Hoare annotation was computed. [2021-10-28 22:52:52,792 INFO L857 garLoopResultBuilder]: For program point L441-2(lines 441 447) no Hoare annotation was computed. [2021-10-28 22:52:52,793 INFO L857 garLoopResultBuilder]: For program point L573-6(lines 573 577) no Hoare annotation was computed. [2021-10-28 22:52:52,793 INFO L857 garLoopResultBuilder]: For program point L441-4(lines 441 447) no Hoare annotation was computed. [2021-10-28 22:52:52,793 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 758) no Hoare annotation was computed. [2021-10-28 22:52:52,793 INFO L857 garLoopResultBuilder]: For program point L741-1(lines 741 758) no Hoare annotation was computed. [2021-10-28 22:52:52,793 INFO L857 garLoopResultBuilder]: For program point L741-2(lines 741 758) no Hoare annotation was computed. [2021-10-28 22:52:52,793 INFO L857 garLoopResultBuilder]: For program point L741-3(lines 741 758) no Hoare annotation was computed. [2021-10-28 22:52:52,793 INFO L857 garLoopResultBuilder]: For program point L741-4(lines 741 758) no Hoare annotation was computed. [2021-10-28 22:52:52,794 INFO L857 garLoopResultBuilder]: For program point L741-5(lines 741 758) no Hoare annotation was computed. [2021-10-28 22:52:52,794 INFO L853 garLoopResultBuilder]: At program point L709(lines 708 727) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:52:52,794 INFO L857 garLoopResultBuilder]: For program point L709-1(lines 709 715) no Hoare annotation was computed. [2021-10-28 22:52:52,794 INFO L853 garLoopResultBuilder]: At program point L709-2(lines 708 727) the Hoare annotation is: false [2021-10-28 22:52:52,794 INFO L853 garLoopResultBuilder]: At program point L610(lines 605 613) the Hoare annotation is: false [2021-10-28 22:52:52,794 INFO L853 garLoopResultBuilder]: At program point L709-3(lines 708 727) the Hoare annotation is: false [2021-10-28 22:52:52,795 INFO L853 garLoopResultBuilder]: At program point L610-1(lines 605 613) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:52:52,795 INFO L853 garLoopResultBuilder]: At program point L610-2(lines 605 613) the Hoare annotation is: false [2021-10-28 22:52:52,795 INFO L853 garLoopResultBuilder]: At program point L610-3(lines 605 613) the Hoare annotation is: false [2021-10-28 22:52:52,795 INFO L853 garLoopResultBuilder]: At program point L610-4(lines 605 613) the Hoare annotation is: false [2021-10-28 22:52:52,795 INFO L853 garLoopResultBuilder]: At program point L610-5(lines 605 613) the Hoare annotation is: false [2021-10-28 22:52:52,795 INFO L853 garLoopResultBuilder]: At program point L875(lines 860 878) the Hoare annotation is: false [2021-10-28 22:52:52,796 INFO L853 garLoopResultBuilder]: At program point L875-1(lines 860 878) the Hoare annotation is: false [2021-10-28 22:52:52,796 INFO L853 garLoopResultBuilder]: At program point L875-2(lines 860 878) the Hoare annotation is: false [2021-10-28 22:52:52,796 INFO L853 garLoopResultBuilder]: At program point L875-3(lines 860 878) the Hoare annotation is: false [2021-10-28 22:52:52,796 INFO L853 garLoopResultBuilder]: At program point L875-4(lines 860 878) the Hoare annotation is: false [2021-10-28 22:52:52,796 INFO L853 garLoopResultBuilder]: At program point L875-5(lines 860 878) the Hoare annotation is: false [2021-10-28 22:52:52,796 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 916) no Hoare annotation was computed. [2021-10-28 22:52:52,797 INFO L853 garLoopResultBuilder]: At program point L910-1(lines 910 916) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:52:52,797 INFO L853 garLoopResultBuilder]: At program point L811(lines 804 814) the Hoare annotation is: false [2021-10-28 22:52:52,797 INFO L853 garLoopResultBuilder]: At program point L811-1(lines 804 814) the Hoare annotation is: false [2021-10-28 22:52:52,797 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 753) no Hoare annotation was computed. [2021-10-28 22:52:52,797 INFO L853 garLoopResultBuilder]: At program point L811-2(lines 804 814) the Hoare annotation is: false [2021-10-28 22:52:52,797 INFO L857 garLoopResultBuilder]: For program point L745-1(lines 745 753) no Hoare annotation was computed. [2021-10-28 22:52:52,797 INFO L857 garLoopResultBuilder]: For program point L745-2(lines 745 753) no Hoare annotation was computed. [2021-10-28 22:52:52,798 INFO L857 garLoopResultBuilder]: For program point L745-3(lines 745 753) no Hoare annotation was computed. [2021-10-28 22:52:52,798 INFO L857 garLoopResultBuilder]: For program point L745-4(lines 745 753) no Hoare annotation was computed. [2021-10-28 22:52:52,798 INFO L857 garLoopResultBuilder]: For program point L745-5(lines 745 753) no Hoare annotation was computed. [2021-10-28 22:52:52,802 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 22:52:52,803 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 556) no Hoare annotation was computed. [2021-10-28 22:52:52,804 INFO L860 garLoopResultBuilder]: At program point L549-1(lines 549 556) the Hoare annotation is: true [2021-10-28 22:52:52,804 INFO L853 garLoopResultBuilder]: At program point L716(lines 716 722) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:52:52,804 INFO L853 garLoopResultBuilder]: At program point L716-1(lines 716 722) the Hoare annotation is: false [2021-10-28 22:52:52,804 INFO L853 garLoopResultBuilder]: At program point L716-2(lines 716 722) the Hoare annotation is: false [2021-10-28 22:52:52,805 INFO L853 garLoopResultBuilder]: At program point L651(lines 646 654) the Hoare annotation is: false [2021-10-28 22:52:52,805 INFO L853 garLoopResultBuilder]: At program point L651-1(lines 646 654) the Hoare annotation is: false [2021-10-28 22:52:52,805 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 589) no Hoare annotation was computed. [2021-10-28 22:52:52,805 INFO L853 garLoopResultBuilder]: At program point L651-2(lines 646 654) the Hoare annotation is: false [2021-10-28 22:52:52,805 INFO L853 garLoopResultBuilder]: At program point L651-3(lines 646 654) the Hoare annotation is: false [2021-10-28 22:52:52,805 INFO L853 garLoopResultBuilder]: At program point L651-4(lines 646 654) the Hoare annotation is: false [2021-10-28 22:52:52,806 INFO L853 garLoopResultBuilder]: At program point L651-5(lines 646 654) the Hoare annotation is: false [2021-10-28 22:52:52,806 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 22:52:52,806 INFO L853 garLoopResultBuilder]: At program point L521(lines 517 523) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:52:52,806 INFO L853 garLoopResultBuilder]: At program point L687(lines 1 943) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:52:52,806 INFO L853 garLoopResultBuilder]: At program point L820(lines 815 823) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ~systemActive~0)) [2021-10-28 22:52:52,807 INFO L853 garLoopResultBuilder]: At program point L820-1(lines 815 823) the Hoare annotation is: false [2021-10-28 22:52:52,807 INFO L853 garLoopResultBuilder]: At program point L820-2(lines 815 823) the Hoare annotation is: false [2021-10-28 22:52:52,807 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 22:52:52,807 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 931) no Hoare annotation was computed. [2021-10-28 22:52:52,807 INFO L853 garLoopResultBuilder]: At program point L425(lines 420 427) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:52:52,807 INFO L860 garLoopResultBuilder]: At program point L558(lines 539 561) the Hoare annotation is: true [2021-10-28 22:52:52,808 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 22:52:52,808 INFO L857 garLoopResultBuilder]: For program point L891(lines 890 935) no Hoare annotation was computed. [2021-10-28 22:52:52,808 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 660) no Hoare annotation was computed. [2021-10-28 22:52:52,808 INFO L857 garLoopResultBuilder]: For program point L660(line 660) no Hoare annotation was computed. [2021-10-28 22:52:52,808 INFO L857 garLoopResultBuilder]: For program point L660-1(line 660) no Hoare annotation was computed. [2021-10-28 22:52:52,808 INFO L857 garLoopResultBuilder]: For program point L660-2(line 660) no Hoare annotation was computed. [2021-10-28 22:52:52,809 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 896) no Hoare annotation was computed. [2021-10-28 22:52:52,809 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 930) no Hoare annotation was computed. [2021-10-28 22:52:52,809 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 709 715) no Hoare annotation was computed. [2021-10-28 22:52:52,812 INFO L853 garLoopResultBuilder]: At program point L695(lines 690 698) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:52:52,816 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 22:52:52,818 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:52:52,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:52:52 BoogieIcfgContainer [2021-10-28 22:52:52,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:52:52,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:52:52,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:52:52,849 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:52:52,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:50" (3/4) ... [2021-10-28 22:52:52,854 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:52:52,886 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 22:52:52,887 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 22:52:52,889 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 22:52:52,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 22:52:52,891 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 22:52:52,892 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:52:52,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:52:52,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive [2021-10-28 22:52:53,040 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:52:53,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:52:53,043 INFO L168 Benchmark]: Toolchain (without parser) took 4337.80 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 58.3 MB in the beginning and 102.6 MB in the end (delta: -44.4 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:53,043 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 96.5 MB. Free memory is still 75.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:52:53,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.18 ms. Allocated memory is still 96.5 MB. Free memory was 58.1 MB in the beginning and 63.8 MB in the end (delta: -5.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:53,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.19 ms. Allocated memory is still 96.5 MB. Free memory was 63.8 MB in the beginning and 59.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:53,045 INFO L168 Benchmark]: Boogie Preprocessor took 50.44 ms. Allocated memory is still 96.5 MB. Free memory was 59.9 MB in the beginning and 57.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:53,045 INFO L168 Benchmark]: RCFGBuilder took 1199.02 ms. Allocated memory is still 96.5 MB. Free memory was 57.3 MB in the beginning and 49.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:53,046 INFO L168 Benchmark]: TraceAbstraction took 2193.05 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 48.9 MB in the beginning and 55.3 MB in the end (delta: -6.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:53,046 INFO L168 Benchmark]: Witness Printer took 192.91 ms. Allocated memory is still 127.9 MB. Free memory was 55.3 MB in the beginning and 102.6 MB in the end (delta: -47.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:53,050 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 96.5 MB. Free memory is still 75.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 594.18 ms. Allocated memory is still 96.5 MB. Free memory was 58.1 MB in the beginning and 63.8 MB in the end (delta: -5.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.19 ms. Allocated memory is still 96.5 MB. Free memory was 63.8 MB in the beginning and 59.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.44 ms. Allocated memory is still 96.5 MB. Free memory was 59.9 MB in the beginning and 57.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1199.02 ms. Allocated memory is still 96.5 MB. Free memory was 57.3 MB in the beginning and 49.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2193.05 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 48.9 MB in the beginning and 55.3 MB in the end (delta: -6.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * Witness Printer took 192.91 ms. Allocated memory is still 127.9 MB. Free memory was 55.3 MB in the beginning and 102.6 MB in the end (delta: -47.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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: 660]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 660]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 660]: 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, 109 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 375 SDslu, 363 SDs, 0 SdLazy, 62 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 78 NumberOfFragments, 145 HoareAnnotationTreeSize, 43 FomulaSimplifications, 768 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 320 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 235 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 3 specifications checked. All of them hold - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 22:52:53,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919619d3-45bc-4df7-a0d1-e436a9245091/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...