./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.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_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/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_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/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_c3044961-a4bd-4474-a834-a94af1d79150/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 685bdac90b32b89d64927338575dc6f79737e9f84bb9272d4bfb0c942aa4ae35 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:56:46,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:56:46,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:56:46,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:56:46,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:56:46,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:56:46,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:56:46,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:56:46,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:56:46,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:56:46,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:56:46,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:56:46,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:56:46,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:56:46,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:56:46,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:56:46,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:56:46,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:56:46,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:56:46,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:56:46,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:56:46,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:56:46,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:56:46,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:56:46,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:56:46,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:56:46,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:56:46,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:56:46,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:56:46,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:56:46,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:56:46,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:56:46,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:56:46,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:56:46,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:56:46,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:56:46,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:56:46,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:56:46,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:56:46,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:56:46,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:56:46,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:56:46,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:56:46,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:56:46,497 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:56:46,498 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:56:46,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:56:46,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:56:46,499 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:56:46,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:56:46,500 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:56:46,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:56:46,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:56:46,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:56:46,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:56:46,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:56:46,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:56:46,502 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:56:46,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:56:46,502 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:56:46,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:56:46,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:56:46,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:56:46,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:56:46,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:56:46,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:56:46,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:56:46,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:56:46,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:56:46,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:56:46,505 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:56:46,505 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:56:46,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:56:46,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:56:46,506 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_c3044961-a4bd-4474-a834-a94af1d79150/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 685bdac90b32b89d64927338575dc6f79737e9f84bb9272d4bfb0c942aa4ae35 [2021-10-28 22:56:46,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:56:46,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:56:46,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:56:46,897 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:56:46,898 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:56:46,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2021-10-28 22:56:47,011 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/data/869502d5a/416ee47b17374aec9c6da49745ab76c1/FLAG79ed2ce25 [2021-10-28 22:56:47,706 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:56:47,715 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2021-10-28 22:56:47,732 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/data/869502d5a/416ee47b17374aec9c6da49745ab76c1/FLAG79ed2ce25 [2021-10-28 22:56:47,979 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/data/869502d5a/416ee47b17374aec9c6da49745ab76c1 [2021-10-28 22:56:47,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:56:47,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:56:47,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:56:47,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:56:47,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:56:48,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:56:47" (1/1) ... [2021-10-28 22:56:48,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b6a560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:48, skipping insertion in model container [2021-10-28 22:56:48,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:56:47" (1/1) ... [2021-10-28 22:56:48,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:56:48,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:56:48,440 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_c3044961-a4bd-4474-a834-a94af1d79150/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c[19412,19425] [2021-10-28 22:56:48,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:56:48,475 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:56:48,661 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_c3044961-a4bd-4474-a834-a94af1d79150/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c[19412,19425] [2021-10-28 22:56:48,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:56:48,693 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:56:48,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:48 WrapperNode [2021-10-28 22:56:48,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:56:48,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:56:48,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:56:48,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:56:48,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:48" (1/1) ... [2021-10-28 22:56:48,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:48" (1/1) ... [2021-10-28 22:56:48,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:56:48,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:56:48,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:56:48,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:56:48,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:48" (1/1) ... [2021-10-28 22:56:48,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:48" (1/1) ... [2021-10-28 22:56:48,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:48" (1/1) ... [2021-10-28 22:56:48,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:48" (1/1) ... [2021-10-28 22:56:48,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:48" (1/1) ... [2021-10-28 22:56:48,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:48" (1/1) ... [2021-10-28 22:56:48,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:48" (1/1) ... [2021-10-28 22:56:48,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:56:48,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:56:48,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:56:48,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:56:48,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:48" (1/1) ... [2021-10-28 22:56:48,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:56:48,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:56:48,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:56:48,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:56:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:56:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:56:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:56:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:56:50,406 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:56:50,407 INFO L299 CfgBuilder]: Removed 282 assume(true) statements. [2021-10-28 22:56:50,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:50 BoogieIcfgContainer [2021-10-28 22:56:50,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:56:50,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:56:50,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:56:50,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:56:50,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:56:47" (1/3) ... [2021-10-28 22:56:50,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e9f7e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:56:50, skipping insertion in model container [2021-10-28 22:56:50,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:48" (2/3) ... [2021-10-28 22:56:50,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e9f7e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:56:50, skipping insertion in model container [2021-10-28 22:56:50,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:50" (3/3) ... [2021-10-28 22:56:50,422 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55.cil.c [2021-10-28 22:56:50,429 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:56:50,430 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 22:56:50,498 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:56:50,506 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 22:56:50,506 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 22:56:50,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 191 states have (on average 1.5602094240837696) internal successors, (298), 194 states have internal predecessors, (298), 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 22:56:50,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 22:56:50,576 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:50,577 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 22:56:50,578 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 22:56:50,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:50,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1685888364, now seen corresponding path program 1 times [2021-10-28 22:56:50,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:50,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022503340] [2021-10-28 22:56:50,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:50,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:51,065 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 22:56:51,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:51,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022503340] [2021-10-28 22:56:51,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022503340] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:51,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:51,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:56:51,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693264808] [2021-10-28 22:56:51,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:56:51,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:51,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:56:51,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:56:51,114 INFO L87 Difference]: Start difference. First operand has 195 states, 191 states have (on average 1.5602094240837696) internal successors, (298), 194 states have internal predecessors, (298), 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 22:56:51,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:51,165 INFO L93 Difference]: Finished difference Result 383 states and 588 transitions. [2021-10-28 22:56:51,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:56:51,167 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 22:56:51,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:51,180 INFO L225 Difference]: With dead ends: 383 [2021-10-28 22:56:51,180 INFO L226 Difference]: Without dead ends: 191 [2021-10-28 22:56:51,184 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 22:56:51,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-28 22:56:51,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2021-10-28 22:56:51,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 188 states have (on average 1.5212765957446808) internal successors, (286), 190 states have internal predecessors, (286), 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 22:56:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 286 transitions. [2021-10-28 22:56:51,244 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 286 transitions. Word has length 18 [2021-10-28 22:56:51,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:51,245 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 286 transitions. [2021-10-28 22:56:51,245 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 22:56:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 286 transitions. [2021-10-28 22:56:51,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 22:56:51,247 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:51,247 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 22:56:51,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:56:51,248 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 22:56:51,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:51,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1092357789, now seen corresponding path program 1 times [2021-10-28 22:56:51,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:51,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012028484] [2021-10-28 22:56:51,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:51,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:51,357 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 22:56:51,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:51,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012028484] [2021-10-28 22:56:51,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012028484] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:51,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:51,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:51,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358259940] [2021-10-28 22:56:51,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:51,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:51,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:51,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:51,364 INFO L87 Difference]: Start difference. First operand 191 states and 286 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 22:56:51,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:51,385 INFO L93 Difference]: Finished difference Result 191 states and 286 transitions. [2021-10-28 22:56:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:51,386 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 22:56:51,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:51,388 INFO L225 Difference]: With dead ends: 191 [2021-10-28 22:56:51,388 INFO L226 Difference]: Without dead ends: 75 [2021-10-28 22:56:51,390 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 22:56:51,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-28 22:56:51,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-28 22:56:51,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.5) internal successors, (111), 74 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 22:56:51,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions. [2021-10-28 22:56:51,400 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 19 [2021-10-28 22:56:51,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:51,401 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions. [2021-10-28 22:56:51,401 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 22:56:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2021-10-28 22:56:51,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 22:56:51,403 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:51,403 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 22:56:51,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:56:51,403 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 22:56:51,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:51,404 INFO L85 PathProgramCache]: Analyzing trace with hash 359640127, now seen corresponding path program 1 times [2021-10-28 22:56:51,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:51,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230886588] [2021-10-28 22:56:51,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:51,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:51,509 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 22:56:51,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:51,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230886588] [2021-10-28 22:56:51,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230886588] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:51,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:51,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:56:51,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141680295] [2021-10-28 22:56:51,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:51,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:51,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:51,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:51,525 INFO L87 Difference]: Start difference. First operand 75 states and 111 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 22:56:51,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:51,574 INFO L93 Difference]: Finished difference Result 211 states and 319 transitions. [2021-10-28 22:56:51,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:51,583 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 22:56:51,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:51,585 INFO L225 Difference]: With dead ends: 211 [2021-10-28 22:56:51,585 INFO L226 Difference]: Without dead ends: 143 [2021-10-28 22:56:51,586 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 22:56:51,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-28 22:56:51,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 139. [2021-10-28 22:56:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 1.5217391304347827) internal successors, (210), 138 states have internal predecessors, (210), 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 22:56:51,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 210 transitions. [2021-10-28 22:56:51,617 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 210 transitions. Word has length 24 [2021-10-28 22:56:51,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:51,618 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 210 transitions. [2021-10-28 22:56:51,618 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 22:56:51,619 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 210 transitions. [2021-10-28 22:56:51,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 22:56:51,621 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:51,621 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 22:56:51,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:56:51,621 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 22:56:51,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:51,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1777034885, now seen corresponding path program 1 times [2021-10-28 22:56:51,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:51,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361590073] [2021-10-28 22:56:51,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:51,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:51,701 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 22:56:51,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:51,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361590073] [2021-10-28 22:56:51,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361590073] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:51,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:51,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:56:51,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050712150] [2021-10-28 22:56:51,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:51,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:51,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:51,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:51,707 INFO L87 Difference]: Start difference. First operand 139 states and 210 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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 22:56:51,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:51,776 INFO L93 Difference]: Finished difference Result 290 states and 443 transitions. [2021-10-28 22:56:51,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:51,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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 22:56:51,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:51,781 INFO L225 Difference]: With dead ends: 290 [2021-10-28 22:56:51,782 INFO L226 Difference]: Without dead ends: 158 [2021-10-28 22:56:51,811 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 22:56:51,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-10-28 22:56:51,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2021-10-28 22:56:51,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 155 states have (on average 1.4709677419354839) internal successors, (228), 155 states have internal predecessors, (228), 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 22:56:51,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 228 transitions. [2021-10-28 22:56:51,835 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 228 transitions. Word has length 27 [2021-10-28 22:56:51,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:51,836 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 228 transitions. [2021-10-28 22:56:51,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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 22:56:51,836 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 228 transitions. [2021-10-28 22:56:51,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 22:56:51,851 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:51,852 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 22:56:51,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:56:51,852 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 22:56:51,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:51,853 INFO L85 PathProgramCache]: Analyzing trace with hash 681148104, now seen corresponding path program 1 times [2021-10-28 22:56:51,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:51,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397936661] [2021-10-28 22:56:51,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:51,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:52,002 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 22:56:52,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:52,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397936661] [2021-10-28 22:56:52,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397936661] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:52,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:52,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:56:52,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974156712] [2021-10-28 22:56:52,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:56:52,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:52,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:56:52,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:52,011 INFO L87 Difference]: Start difference. First operand 156 states and 228 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 22:56:52,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:52,206 INFO L93 Difference]: Finished difference Result 772 states and 1137 transitions. [2021-10-28 22:56:52,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 22:56:52,207 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 22:56:52,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:52,213 INFO L225 Difference]: With dead ends: 772 [2021-10-28 22:56:52,213 INFO L226 Difference]: Without dead ends: 623 [2021-10-28 22:56:52,216 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 22:56:52,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2021-10-28 22:56:52,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 291. [2021-10-28 22:56:52,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 290 states have (on average 1.4482758620689655) internal successors, (420), 290 states have internal predecessors, (420), 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 22:56:52,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 420 transitions. [2021-10-28 22:56:52,288 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 420 transitions. Word has length 27 [2021-10-28 22:56:52,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:52,289 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 420 transitions. [2021-10-28 22:56:52,290 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 22:56:52,290 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 420 transitions. [2021-10-28 22:56:52,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 22:56:52,298 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:52,298 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, 1] [2021-10-28 22:56:52,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:56:52,299 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:52,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:52,300 INFO L85 PathProgramCache]: Analyzing trace with hash -752997056, now seen corresponding path program 1 times [2021-10-28 22:56:52,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:52,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468374940] [2021-10-28 22:56:52,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:52,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:52,433 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 22:56:52,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:52,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468374940] [2021-10-28 22:56:52,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468374940] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:52,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:52,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:56:52,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782950013] [2021-10-28 22:56:52,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:56:52,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:52,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:56:52,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:52,447 INFO L87 Difference]: Start difference. First operand 291 states and 420 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 22:56:52,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:52,665 INFO L93 Difference]: Finished difference Result 1117 states and 1615 transitions. [2021-10-28 22:56:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:56:52,666 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2021-10-28 22:56:52,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:52,673 INFO L225 Difference]: With dead ends: 1117 [2021-10-28 22:56:52,674 INFO L226 Difference]: Without dead ends: 833 [2021-10-28 22:56:52,675 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 22:56:52,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2021-10-28 22:56:52,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 289. [2021-10-28 22:56:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 288 states have (on average 1.4375) internal successors, (414), 288 states have internal predecessors, (414), 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 22:56:52,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 414 transitions. [2021-10-28 22:56:52,709 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 414 transitions. Word has length 28 [2021-10-28 22:56:52,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:52,710 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 414 transitions. [2021-10-28 22:56:52,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 22:56:52,711 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 414 transitions. [2021-10-28 22:56:52,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 22:56:52,712 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:52,713 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:52,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 22:56:52,713 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:52,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:52,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1409801979, now seen corresponding path program 1 times [2021-10-28 22:56:52,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:52,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863457513] [2021-10-28 22:56:52,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:52,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:52,787 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 22:56:52,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:52,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863457513] [2021-10-28 22:56:52,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863457513] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:52,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:52,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:56:52,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839364076] [2021-10-28 22:56:52,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:56:52,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:52,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:56:52,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:52,791 INFO L87 Difference]: Start difference. First operand 289 states and 414 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:52,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:52,916 INFO L93 Difference]: Finished difference Result 771 states and 1085 transitions. [2021-10-28 22:56:52,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 22:56:52,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 22:56:52,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:52,921 INFO L225 Difference]: With dead ends: 771 [2021-10-28 22:56:52,921 INFO L226 Difference]: Without dead ends: 489 [2021-10-28 22:56:52,923 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 22:56:52,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2021-10-28 22:56:52,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 325. [2021-10-28 22:56:52,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 324 states have (on average 1.3888888888888888) internal successors, (450), 324 states have internal predecessors, (450), 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 22:56:52,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 450 transitions. [2021-10-28 22:56:52,957 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 450 transitions. Word has length 34 [2021-10-28 22:56:52,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:52,958 INFO L470 AbstractCegarLoop]: Abstraction has 325 states and 450 transitions. [2021-10-28 22:56:52,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 450 transitions. [2021-10-28 22:56:52,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 22:56:52,960 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:52,960 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:52,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 22:56:52,961 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:52,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:52,961 INFO L85 PathProgramCache]: Analyzing trace with hash 2110866557, now seen corresponding path program 1 times [2021-10-28 22:56:52,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:52,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998277081] [2021-10-28 22:56:52,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:52,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:53,020 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 22:56:53,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:53,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998277081] [2021-10-28 22:56:53,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998277081] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:53,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:53,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:56:53,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522440716] [2021-10-28 22:56:53,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:56:53,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:53,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:56:53,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:56:53,024 INFO L87 Difference]: Start difference. First operand 325 states and 450 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:53,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:53,121 INFO L93 Difference]: Finished difference Result 787 states and 1075 transitions. [2021-10-28 22:56:53,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:56:53,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 22:56:53,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:53,126 INFO L225 Difference]: With dead ends: 787 [2021-10-28 22:56:53,126 INFO L226 Difference]: Without dead ends: 469 [2021-10-28 22:56:53,127 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:53,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2021-10-28 22:56:53,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 349. [2021-10-28 22:56:53,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 348 states have (on average 1.3620689655172413) internal successors, (474), 348 states have internal predecessors, (474), 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 22:56:53,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 474 transitions. [2021-10-28 22:56:53,167 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 474 transitions. Word has length 34 [2021-10-28 22:56:53,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:53,167 INFO L470 AbstractCegarLoop]: Abstraction has 349 states and 474 transitions. [2021-10-28 22:56:53,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:53,168 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 474 transitions. [2021-10-28 22:56:53,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 22:56:53,169 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:53,169 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:53,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 22:56:53,170 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:53,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:53,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1524060543, now seen corresponding path program 1 times [2021-10-28 22:56:53,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:53,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52283533] [2021-10-28 22:56:53,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:53,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:53,222 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 22:56:53,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:53,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52283533] [2021-10-28 22:56:53,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52283533] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:53,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:53,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:56:53,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920278557] [2021-10-28 22:56:53,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:53,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:53,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:53,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:53,226 INFO L87 Difference]: Start difference. First operand 349 states and 474 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:53,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:53,299 INFO L93 Difference]: Finished difference Result 799 states and 1079 transitions. [2021-10-28 22:56:53,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:53,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 22:56:53,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:53,303 INFO L225 Difference]: With dead ends: 799 [2021-10-28 22:56:53,304 INFO L226 Difference]: Without dead ends: 457 [2021-10-28 22:56:53,305 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 22:56:53,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2021-10-28 22:56:53,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2021-10-28 22:56:53,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 456 states have (on average 1.3245614035087718) internal successors, (604), 456 states have internal predecessors, (604), 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 22:56:53,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 604 transitions. [2021-10-28 22:56:53,356 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 604 transitions. Word has length 34 [2021-10-28 22:56:53,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:53,357 INFO L470 AbstractCegarLoop]: Abstraction has 457 states and 604 transitions. [2021-10-28 22:56:53,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 604 transitions. [2021-10-28 22:56:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 22:56:53,359 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:53,359 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:53,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 22:56:53,360 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:53,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:53,360 INFO L85 PathProgramCache]: Analyzing trace with hash 128114367, now seen corresponding path program 1 times [2021-10-28 22:56:53,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:53,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246954064] [2021-10-28 22:56:53,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:53,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:53,415 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 22:56:53,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:53,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246954064] [2021-10-28 22:56:53,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246954064] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:53,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:53,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:53,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014117033] [2021-10-28 22:56:53,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:53,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:53,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:53,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:53,418 INFO L87 Difference]: Start difference. First operand 457 states and 604 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 22:56:53,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:53,513 INFO L93 Difference]: Finished difference Result 735 states and 979 transitions. [2021-10-28 22:56:53,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:53,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2021-10-28 22:56:53,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:53,519 INFO L225 Difference]: With dead ends: 735 [2021-10-28 22:56:53,520 INFO L226 Difference]: Without dead ends: 733 [2021-10-28 22:56:53,520 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 22:56:53,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2021-10-28 22:56:53,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 568. [2021-10-28 22:56:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 567 states have (on average 1.3544973544973544) internal successors, (768), 567 states have internal predecessors, (768), 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 22:56:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 768 transitions. [2021-10-28 22:56:53,583 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 768 transitions. Word has length 35 [2021-10-28 22:56:53,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:53,584 INFO L470 AbstractCegarLoop]: Abstraction has 568 states and 768 transitions. [2021-10-28 22:56:53,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 22:56:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 768 transitions. [2021-10-28 22:56:53,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-28 22:56:53,586 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:53,587 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:53,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 22:56:53,587 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:53,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:53,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1655249790, now seen corresponding path program 1 times [2021-10-28 22:56:53,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:53,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953745346] [2021-10-28 22:56:53,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:53,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:53,642 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 22:56:53,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:53,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953745346] [2021-10-28 22:56:53,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953745346] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:53,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:53,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:53,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146526859] [2021-10-28 22:56:53,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:53,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:53,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:53,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:53,645 INFO L87 Difference]: Start difference. First operand 568 states and 768 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 22:56:53,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:53,739 INFO L93 Difference]: Finished difference Result 660 states and 889 transitions. [2021-10-28 22:56:53,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:53,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 55 [2021-10-28 22:56:53,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:53,743 INFO L225 Difference]: With dead ends: 660 [2021-10-28 22:56:53,743 INFO L226 Difference]: Without dead ends: 282 [2021-10-28 22:56:53,744 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 22:56:53,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-10-28 22:56:53,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-10-28 22:56:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.313167259786477) internal successors, (369), 281 states have internal predecessors, (369), 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 22:56:53,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 369 transitions. [2021-10-28 22:56:53,775 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 369 transitions. Word has length 55 [2021-10-28 22:56:53,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:53,775 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 369 transitions. [2021-10-28 22:56:53,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 22:56:53,776 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 369 transitions. [2021-10-28 22:56:53,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-28 22:56:53,777 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:53,778 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:53,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 22:56:53,778 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:53,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:53,779 INFO L85 PathProgramCache]: Analyzing trace with hash -74059363, now seen corresponding path program 1 times [2021-10-28 22:56:53,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:53,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946855648] [2021-10-28 22:56:53,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:53,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:53,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:53,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946855648] [2021-10-28 22:56:53,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946855648] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:56:53,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553190150] [2021-10-28 22:56:53,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:53,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:56:53,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:56:53,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:56:53,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 22:56:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:54,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:56:54,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:56:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:54,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553190150] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:54,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 22:56:54,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 22:56:54,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703039905] [2021-10-28 22:56:54,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:54,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:54,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:54,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:54,412 INFO L87 Difference]: Start difference. First operand 282 states and 369 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 22:56:54,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:54,501 INFO L93 Difference]: Finished difference Result 436 states and 581 transitions. [2021-10-28 22:56:54,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:54,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 60 [2021-10-28 22:56:54,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:54,504 INFO L225 Difference]: With dead ends: 436 [2021-10-28 22:56:54,505 INFO L226 Difference]: Without dead ends: 213 [2021-10-28 22:56:54,505 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:54,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-10-28 22:56:54,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2021-10-28 22:56:54,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.259433962264151) internal successors, (267), 212 states have internal predecessors, (267), 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 22:56:54,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 267 transitions. [2021-10-28 22:56:54,528 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 267 transitions. Word has length 60 [2021-10-28 22:56:54,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:54,530 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 267 transitions. [2021-10-28 22:56:54,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 22:56:54,530 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 267 transitions. [2021-10-28 22:56:54,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-28 22:56:54,532 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:54,532 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:54,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:56:54,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:56:54,758 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:54,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:54,759 INFO L85 PathProgramCache]: Analyzing trace with hash 753888454, now seen corresponding path program 1 times [2021-10-28 22:56:54,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:54,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315848174] [2021-10-28 22:56:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:54,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:54,860 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:56:54,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:54,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315848174] [2021-10-28 22:56:54,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315848174] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:56:54,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8680033] [2021-10-28 22:56:54,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:54,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:56:54,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:56:54,863 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:56:54,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 22:56:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:55,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 22:56:55,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:56:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 22:56:55,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8680033] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:55,370 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 22:56:55,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2021-10-28 22:56:55,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547448381] [2021-10-28 22:56:55,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 22:56:55,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:55,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 22:56:55,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-10-28 22:56:55,374 INFO L87 Difference]: Start difference. First operand 213 states and 267 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 22:56:55,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:55,617 INFO L93 Difference]: Finished difference Result 678 states and 848 transitions. [2021-10-28 22:56:55,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 22:56:55,618 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 63 [2021-10-28 22:56:55,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:55,618 INFO L225 Difference]: With dead ends: 678 [2021-10-28 22:56:55,618 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 22:56:55,621 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2021-10-28 22:56:55,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 22:56:55,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 22:56:55,621 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 22:56:55,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:56:55,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-10-28 22:56:55,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:55,622 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:56:55,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 22:56:55,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:56:55,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 22:56:55,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:56:55,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:56:55,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:56:55,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:56:55,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:56:55,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 22:56:55,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:55,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:55,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:55,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:55,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:55,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:55,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:55,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:55,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:55,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:55,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:57:01,311 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2021-10-28 22:57:01,311 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2021-10-28 22:57:01,311 INFO L857 garLoopResultBuilder]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2021-10-28 22:57:01,311 INFO L857 garLoopResultBuilder]: For program point L102-6(lines 102 106) no Hoare annotation was computed. [2021-10-28 22:57:01,312 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 913) no Hoare annotation was computed. [2021-10-28 22:57:01,312 INFO L853 garLoopResultBuilder]: At program point L896-1(lines 1 1022) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse4 .cse6) (and .cse7 .cse0 .cse5 .cse4 .cse6) (and .cse7 .cse0 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse4) (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)))) [2021-10-28 22:57:01,312 INFO L853 garLoopResultBuilder]: At program point L929-2(lines 929 943) the Hoare annotation is: false [2021-10-28 22:57:01,312 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 913) no Hoare annotation was computed. [2021-10-28 22:57:01,312 INFO L853 garLoopResultBuilder]: At program point L896-3(lines 1 1022) the Hoare annotation is: false [2021-10-28 22:57:01,313 INFO L857 garLoopResultBuilder]: For program point L896-4(lines 896 913) no Hoare annotation was computed. [2021-10-28 22:57:01,313 INFO L853 garLoopResultBuilder]: At program point L896-5(lines 1 1022) the Hoare annotation is: false [2021-10-28 22:57:01,313 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2021-10-28 22:57:01,313 INFO L853 garLoopResultBuilder]: At program point L500-1(lines 500 506) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:57:01,313 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,313 INFO L857 garLoopResultBuilder]: For program point L467-2(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,314 INFO L857 garLoopResultBuilder]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,314 INFO L857 garLoopResultBuilder]: For program point L467-5(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,314 INFO L857 garLoopResultBuilder]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,314 INFO L857 garLoopResultBuilder]: For program point L467-8(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,314 INFO L857 garLoopResultBuilder]: For program point L467-9(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,314 INFO L857 garLoopResultBuilder]: For program point L467-11(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,314 INFO L857 garLoopResultBuilder]: For program point L467-12(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,314 INFO L857 garLoopResultBuilder]: For program point L467-14(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,314 INFO L857 garLoopResultBuilder]: For program point L467-15(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,314 INFO L857 garLoopResultBuilder]: For program point L467-17(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,315 INFO L857 garLoopResultBuilder]: For program point L930(line 930) no Hoare annotation was computed. [2021-10-28 22:57:01,315 INFO L857 garLoopResultBuilder]: For program point L467-18(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,315 INFO L857 garLoopResultBuilder]: For program point L467-20(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,315 INFO L857 garLoopResultBuilder]: For program point L467-21(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,315 INFO L857 garLoopResultBuilder]: For program point L467-23(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,316 INFO L857 garLoopResultBuilder]: For program point L467-24(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,316 INFO L857 garLoopResultBuilder]: For program point L467-26(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,316 INFO L857 garLoopResultBuilder]: For program point L467-27(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,316 INFO L857 garLoopResultBuilder]: For program point L467-29(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,316 INFO L857 garLoopResultBuilder]: For program point L467-30(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,317 INFO L857 garLoopResultBuilder]: For program point L467-32(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,317 INFO L857 garLoopResultBuilder]: For program point L467-33(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,317 INFO L857 garLoopResultBuilder]: For program point L369(lines 369 377) no Hoare annotation was computed. [2021-10-28 22:57:01,317 INFO L857 garLoopResultBuilder]: For program point L369-1(lines 369 377) no Hoare annotation was computed. [2021-10-28 22:57:01,317 INFO L857 garLoopResultBuilder]: For program point L467-35(lines 467 471) no Hoare annotation was computed. [2021-10-28 22:57:01,317 INFO L857 garLoopResultBuilder]: For program point L369-2(lines 369 377) no Hoare annotation was computed. [2021-10-28 22:57:01,318 INFO L853 garLoopResultBuilder]: At program point L139(lines 134 142) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2))) [2021-10-28 22:57:01,318 INFO L853 garLoopResultBuilder]: At program point L139-1(lines 134 142) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse5 .cse6 .cse3) (and .cse7 .cse0 (= ~methAndRunningLastTime~0 0) .cse2 .cse3 .cse4) (and .cse7 .cse0 .cse5 .cse6 .cse3))) [2021-10-28 22:57:01,318 INFO L853 garLoopResultBuilder]: At program point L139-2(lines 134 142) the Hoare annotation is: false [2021-10-28 22:57:01,318 INFO L853 garLoopResultBuilder]: At program point L139-3(lines 134 142) the Hoare annotation is: false [2021-10-28 22:57:01,318 INFO L853 garLoopResultBuilder]: At program point L139-4(lines 134 142) the Hoare annotation is: false [2021-10-28 22:57:01,318 INFO L853 garLoopResultBuilder]: At program point L139-5(lines 134 142) the Hoare annotation is: false [2021-10-28 22:57:01,319 INFO L857 garLoopResultBuilder]: For program point L933(lines 933 937) no Hoare annotation was computed. [2021-10-28 22:57:01,319 INFO L857 garLoopResultBuilder]: For program point L900(lines 900 910) no Hoare annotation was computed. [2021-10-28 22:57:01,319 INFO L857 garLoopResultBuilder]: For program point L933-1(lines 281 287) no Hoare annotation was computed. [2021-10-28 22:57:01,319 INFO L857 garLoopResultBuilder]: For program point L900-2(lines 900 910) no Hoare annotation was computed. [2021-10-28 22:57:01,319 INFO L857 garLoopResultBuilder]: For program point L900-4(lines 900 910) no Hoare annotation was computed. [2021-10-28 22:57:01,319 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 356) no Hoare annotation was computed. [2021-10-28 22:57:01,319 INFO L857 garLoopResultBuilder]: For program point L339-1(lines 339 356) no Hoare annotation was computed. [2021-10-28 22:57:01,320 INFO L857 garLoopResultBuilder]: For program point L339-2(lines 339 356) no Hoare annotation was computed. [2021-10-28 22:57:01,320 INFO L857 garLoopResultBuilder]: For program point L339-3(lines 339 356) no Hoare annotation was computed. [2021-10-28 22:57:01,320 INFO L857 garLoopResultBuilder]: For program point L339-4(lines 339 356) no Hoare annotation was computed. [2021-10-28 22:57:01,320 INFO L857 garLoopResultBuilder]: For program point L339-5(lines 339 356) no Hoare annotation was computed. [2021-10-28 22:57:01,320 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 1022) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:57:01,320 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2021-10-28 22:57:01,321 INFO L857 garLoopResultBuilder]: For program point L901-2(lines 901 907) no Hoare annotation was computed. [2021-10-28 22:57:01,321 INFO L857 garLoopResultBuilder]: For program point L901-4(lines 901 907) no Hoare annotation was computed. [2021-10-28 22:57:01,321 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2021-10-28 22:57:01,321 INFO L857 garLoopResultBuilder]: For program point L1001(lines 1001 1008) no Hoare annotation was computed. [2021-10-28 22:57:01,321 INFO L860 garLoopResultBuilder]: At program point L1001-1(lines 1001 1008) the Hoare annotation is: true [2021-10-28 22:57:01,321 INFO L853 garLoopResultBuilder]: At program point L473(lines 458 476) the Hoare annotation is: false [2021-10-28 22:57:01,322 INFO L853 garLoopResultBuilder]: At program point L473-1(lines 458 476) the Hoare annotation is: false [2021-10-28 22:57:01,322 INFO L853 garLoopResultBuilder]: At program point L473-2(lines 458 476) the Hoare annotation is: false [2021-10-28 22:57:01,322 INFO L853 garLoopResultBuilder]: At program point L473-3(lines 458 476) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse3) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3))) [2021-10-28 22:57:01,322 INFO L853 garLoopResultBuilder]: At program point L473-4(lines 458 476) the Hoare annotation is: false [2021-10-28 22:57:01,322 INFO L853 garLoopResultBuilder]: At program point L473-5(lines 458 476) the Hoare annotation is: false [2021-10-28 22:57:01,322 INFO L853 garLoopResultBuilder]: At program point L473-6(lines 458 476) the Hoare annotation is: false [2021-10-28 22:57:01,323 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 255) no Hoare annotation was computed. [2021-10-28 22:57:01,323 INFO L853 garLoopResultBuilder]: At program point L473-7(lines 458 476) the Hoare annotation is: false [2021-10-28 22:57:01,323 INFO L853 garLoopResultBuilder]: At program point L473-8(lines 458 476) the Hoare annotation is: false [2021-10-28 22:57:01,323 INFO L853 garLoopResultBuilder]: At program point L473-9(lines 458 476) the Hoare annotation is: false [2021-10-28 22:57:01,325 INFO L853 garLoopResultBuilder]: At program point L473-10(lines 458 476) the Hoare annotation is: false [2021-10-28 22:57:01,326 INFO L853 garLoopResultBuilder]: At program point L473-11(lines 458 476) the Hoare annotation is: false [2021-10-28 22:57:01,326 INFO L853 garLoopResultBuilder]: At program point L409(lines 402 412) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2))) [2021-10-28 22:57:01,327 INFO L853 garLoopResultBuilder]: At program point L409-1(lines 402 412) the Hoare annotation is: false [2021-10-28 22:57:01,327 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 351) no Hoare annotation was computed. [2021-10-28 22:57:01,327 INFO L853 garLoopResultBuilder]: At program point L409-2(lines 402 412) the Hoare annotation is: false [2021-10-28 22:57:01,327 INFO L857 garLoopResultBuilder]: For program point L343-1(lines 343 351) no Hoare annotation was computed. [2021-10-28 22:57:01,328 INFO L857 garLoopResultBuilder]: For program point L343-2(lines 343 351) no Hoare annotation was computed. [2021-10-28 22:57:01,328 INFO L857 garLoopResultBuilder]: For program point L343-3(lines 343 351) no Hoare annotation was computed. [2021-10-28 22:57:01,328 INFO L857 garLoopResultBuilder]: For program point L343-4(lines 343 351) no Hoare annotation was computed. [2021-10-28 22:57:01,328 INFO L857 garLoopResultBuilder]: For program point L343-5(lines 343 351) no Hoare annotation was computed. [2021-10-28 22:57:01,330 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 185) no Hoare annotation was computed. [2021-10-28 22:57:01,330 INFO L857 garLoopResultBuilder]: For program point L179-1(lines 179 185) no Hoare annotation was computed. [2021-10-28 22:57:01,330 INFO L857 garLoopResultBuilder]: For program point L179-2(lines 179 185) no Hoare annotation was computed. [2021-10-28 22:57:01,331 INFO L857 garLoopResultBuilder]: For program point L179-3(lines 179 185) no Hoare annotation was computed. [2021-10-28 22:57:01,331 INFO L857 garLoopResultBuilder]: For program point L179-4(lines 179 185) no Hoare annotation was computed. [2021-10-28 22:57:01,332 INFO L857 garLoopResultBuilder]: For program point L179-5(lines 179 185) no Hoare annotation was computed. [2021-10-28 22:57:01,332 INFO L857 garLoopResultBuilder]: For program point L179-6(lines 179 185) no Hoare annotation was computed. [2021-10-28 22:57:01,332 INFO L857 garLoopResultBuilder]: For program point L179-7(lines 179 185) no Hoare annotation was computed. [2021-10-28 22:57:01,332 INFO L857 garLoopResultBuilder]: For program point L179-8(lines 179 185) no Hoare annotation was computed. [2021-10-28 22:57:01,332 INFO L857 garLoopResultBuilder]: For program point L179-9(lines 179 185) no Hoare annotation was computed. [2021-10-28 22:57:01,332 INFO L857 garLoopResultBuilder]: For program point L179-10(lines 179 185) no Hoare annotation was computed. [2021-10-28 22:57:01,333 INFO L857 garLoopResultBuilder]: For program point L179-11(lines 179 185) no Hoare annotation was computed. [2021-10-28 22:57:01,333 INFO L857 garLoopResultBuilder]: For program point L213(lines 212 259) no Hoare annotation was computed. [2021-10-28 22:57:01,333 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-10-28 22:57:01,333 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 330) no Hoare annotation was computed. [2021-10-28 22:57:01,334 INFO L857 garLoopResultBuilder]: For program point L313-1(lines 313 330) no Hoare annotation was computed. [2021-10-28 22:57:01,334 INFO L857 garLoopResultBuilder]: For program point L313-2(lines 313 330) no Hoare annotation was computed. [2021-10-28 22:57:01,334 INFO L857 garLoopResultBuilder]: For program point L214(lines 214 218) no Hoare annotation was computed. [2021-10-28 22:57:01,334 INFO L857 garLoopResultBuilder]: For program point L313-3(lines 313 330) no Hoare annotation was computed. [2021-10-28 22:57:01,334 INFO L857 garLoopResultBuilder]: For program point L313-4(lines 313 330) no Hoare annotation was computed. [2021-10-28 22:57:01,334 INFO L857 garLoopResultBuilder]: For program point L313-5(lines 313 330) no Hoare annotation was computed. [2021-10-28 22:57:01,335 INFO L857 garLoopResultBuilder]: For program point L313-6(lines 313 330) no Hoare annotation was computed. [2021-10-28 22:57:01,335 INFO L857 garLoopResultBuilder]: For program point L313-7(lines 313 330) no Hoare annotation was computed. [2021-10-28 22:57:01,335 INFO L857 garLoopResultBuilder]: For program point L313-8(lines 313 330) no Hoare annotation was computed. [2021-10-28 22:57:01,335 INFO L857 garLoopResultBuilder]: For program point L313-9(lines 313 330) no Hoare annotation was computed. [2021-10-28 22:57:01,335 INFO L857 garLoopResultBuilder]: For program point L313-10(lines 313 330) no Hoare annotation was computed. [2021-10-28 22:57:01,336 INFO L857 garLoopResultBuilder]: For program point L313-11(lines 313 330) no Hoare annotation was computed. [2021-10-28 22:57:01,336 INFO L853 garLoopResultBuilder]: At program point L281(lines 280 299) the Hoare annotation is: (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 (= 0 ~systemActive~0)) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse4) (and .cse1 .cse5 .cse6 .cse4) (and .cse0 .cse1 .cse3 .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2021-10-28 22:57:01,336 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 254) no Hoare annotation was computed. [2021-10-28 22:57:01,336 INFO L857 garLoopResultBuilder]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2021-10-28 22:57:01,337 INFO L853 garLoopResultBuilder]: At program point L248-1(lines 281 287) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse6 .cse4) (and .cse1 .cse5 (= 0 ~systemActive~0)) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse4) (and .cse0 .cse1 .cse3 .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2021-10-28 22:57:01,337 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 280 299) the Hoare annotation is: false [2021-10-28 22:57:01,337 INFO L853 garLoopResultBuilder]: At program point L281-3(lines 280 299) the Hoare annotation is: false [2021-10-28 22:57:01,337 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:57:01,337 INFO L853 garLoopResultBuilder]: At program point L184(lines 175 188) the Hoare annotation is: false [2021-10-28 22:57:01,338 INFO L853 garLoopResultBuilder]: At program point L184-1(lines 175 188) the Hoare annotation is: false [2021-10-28 22:57:01,338 INFO L853 garLoopResultBuilder]: At program point L184-2(lines 175 188) the Hoare annotation is: false [2021-10-28 22:57:01,338 INFO L853 garLoopResultBuilder]: At program point L184-3(lines 175 188) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse3))) [2021-10-28 22:57:01,338 INFO L853 garLoopResultBuilder]: At program point L184-4(lines 175 188) the Hoare annotation is: false [2021-10-28 22:57:01,338 INFO L853 garLoopResultBuilder]: At program point L184-5(lines 175 188) the Hoare annotation is: false [2021-10-28 22:57:01,339 INFO L853 garLoopResultBuilder]: At program point L184-6(lines 175 188) the Hoare annotation is: false [2021-10-28 22:57:01,339 INFO L860 garLoopResultBuilder]: At program point L1010(lines 991 1013) the Hoare annotation is: true [2021-10-28 22:57:01,339 INFO L853 garLoopResultBuilder]: At program point L977(lines 973 979) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:57:01,339 INFO L853 garLoopResultBuilder]: At program point L184-7(lines 175 188) the Hoare annotation is: false [2021-10-28 22:57:01,339 INFO L853 garLoopResultBuilder]: At program point L184-8(lines 175 188) the Hoare annotation is: false [2021-10-28 22:57:01,340 INFO L853 garLoopResultBuilder]: At program point L184-9(lines 175 188) the Hoare annotation is: false [2021-10-28 22:57:01,340 INFO L853 garLoopResultBuilder]: At program point L184-10(lines 175 188) the Hoare annotation is: false [2021-10-28 22:57:01,340 INFO L853 garLoopResultBuilder]: At program point L184-11(lines 175 188) the Hoare annotation is: false [2021-10-28 22:57:01,341 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 22:57:01,341 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 325) no Hoare annotation was computed. [2021-10-28 22:57:01,341 INFO L857 garLoopResultBuilder]: For program point L317-1(lines 317 325) no Hoare annotation was computed. [2021-10-28 22:57:01,341 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 325) no Hoare annotation was computed. [2021-10-28 22:57:01,342 INFO L857 garLoopResultBuilder]: For program point L317-3(lines 317 325) no Hoare annotation was computed. [2021-10-28 22:57:01,342 INFO L857 garLoopResultBuilder]: For program point L317-4(lines 317 325) no Hoare annotation was computed. [2021-10-28 22:57:01,342 INFO L857 garLoopResultBuilder]: For program point L317-5(lines 317 325) no Hoare annotation was computed. [2021-10-28 22:57:01,342 INFO L857 garLoopResultBuilder]: For program point L317-6(lines 317 325) no Hoare annotation was computed. [2021-10-28 22:57:01,342 INFO L857 garLoopResultBuilder]: For program point L317-7(lines 317 325) no Hoare annotation was computed. [2021-10-28 22:57:01,342 INFO L857 garLoopResultBuilder]: For program point L317-8(lines 317 325) no Hoare annotation was computed. [2021-10-28 22:57:01,343 INFO L857 garLoopResultBuilder]: For program point L317-9(lines 317 325) no Hoare annotation was computed. [2021-10-28 22:57:01,343 INFO L857 garLoopResultBuilder]: For program point L317-10(lines 317 325) no Hoare annotation was computed. [2021-10-28 22:57:01,343 INFO L857 garLoopResultBuilder]: For program point L317-11(lines 317 325) no Hoare annotation was computed. [2021-10-28 22:57:01,343 INFO L853 garLoopResultBuilder]: At program point L418(lines 413 421) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2 .cse4 .cse5) (and (<= 1 ~pumpRunning~0) .cse0 (= ~methAndRunningLastTime~0 0) .cse3 .cse4 .cse5))) [2021-10-28 22:57:01,343 INFO L853 garLoopResultBuilder]: At program point L418-1(lines 413 421) the Hoare annotation is: false [2021-10-28 22:57:01,344 INFO L853 garLoopResultBuilder]: At program point L418-2(lines 413 421) the Hoare annotation is: false [2021-10-28 22:57:01,344 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 490) no Hoare annotation was computed. [2021-10-28 22:57:01,344 INFO L857 garLoopResultBuilder]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2021-10-28 22:57:01,344 INFO L857 garLoopResultBuilder]: For program point L486-3(lines 486 490) no Hoare annotation was computed. [2021-10-28 22:57:01,344 INFO L857 garLoopResultBuilder]: For program point L486-5(lines 486 490) no Hoare annotation was computed. [2021-10-28 22:57:01,345 INFO L853 garLoopResultBuilder]: At program point L288(lines 288 294) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse1 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse5 .cse3) (and .cse1 .cse4 .cse5 .cse3))) [2021-10-28 22:57:01,345 INFO L857 garLoopResultBuilder]: For program point L486-6(lines 486 490) no Hoare annotation was computed. [2021-10-28 22:57:01,345 INFO L853 garLoopResultBuilder]: At program point L288-1(lines 288 294) the Hoare annotation is: false [2021-10-28 22:57:01,345 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 228) no Hoare annotation was computed. [2021-10-28 22:57:01,345 INFO L857 garLoopResultBuilder]: For program point L486-8(lines 486 490) no Hoare annotation was computed. [2021-10-28 22:57:01,346 INFO L853 garLoopResultBuilder]: At program point L288-2(lines 288 294) the Hoare annotation is: false [2021-10-28 22:57:01,346 INFO L853 garLoopResultBuilder]: At program point L222-1(lines 222 228) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse4 .cse6) (and .cse7 .cse0 .cse5 .cse4 .cse6) (and .cse7 .cse0 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse4) (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)))) [2021-10-28 22:57:01,346 INFO L857 garLoopResultBuilder]: For program point L486-9(lines 486 490) no Hoare annotation was computed. [2021-10-28 22:57:01,346 INFO L857 garLoopResultBuilder]: For program point L486-11(lines 486 490) no Hoare annotation was computed. [2021-10-28 22:57:01,346 INFO L857 garLoopResultBuilder]: For program point L486-12(lines 486 490) no Hoare annotation was computed. [2021-10-28 22:57:01,347 INFO L857 garLoopResultBuilder]: For program point L486-14(lines 486 490) no Hoare annotation was computed. [2021-10-28 22:57:01,347 INFO L857 garLoopResultBuilder]: For program point L486-15(lines 486 490) no Hoare annotation was computed. [2021-10-28 22:57:01,347 INFO L857 garLoopResultBuilder]: For program point L486-17(lines 486 490) no Hoare annotation was computed. [2021-10-28 22:57:01,347 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 22:57:01,347 INFO L853 garLoopResultBuilder]: At program point L885(lines 880 887) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:57:01,348 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-10-28 22:57:01,348 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 22:57:01,348 INFO L857 garLoopResultBuilder]: For program point L1019(line 1019) no Hoare annotation was computed. [2021-10-28 22:57:01,348 INFO L857 garLoopResultBuilder]: For program point L1019-1(line 1019) no Hoare annotation was computed. [2021-10-28 22:57:01,348 INFO L857 garLoopResultBuilder]: For program point L1019-2(line 1019) no Hoare annotation was computed. [2021-10-28 22:57:01,349 INFO L853 garLoopResultBuilder]: At program point L260(lines 211 261) the Hoare annotation is: false [2021-10-28 22:57:01,349 INFO L853 garLoopResultBuilder]: At program point L194(lines 189 197) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:57:01,349 INFO L853 garLoopResultBuilder]: At program point L194-1(lines 189 197) the Hoare annotation is: false [2021-10-28 22:57:01,349 INFO L853 garLoopResultBuilder]: At program point L194-2(lines 189 197) the Hoare annotation is: false [2021-10-28 22:57:01,349 INFO L853 garLoopResultBuilder]: At program point L194-3(lines 189 197) the Hoare annotation is: false [2021-10-28 22:57:01,350 INFO L853 garLoopResultBuilder]: At program point L194-4(lines 189 197) the Hoare annotation is: false [2021-10-28 22:57:01,350 INFO L853 garLoopResultBuilder]: At program point L194-5(lines 189 197) the Hoare annotation is: false [2021-10-28 22:57:01,350 INFO L853 garLoopResultBuilder]: At program point L492(lines 477 495) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:57:01,350 INFO L853 garLoopResultBuilder]: At program point L492-1(lines 477 495) the Hoare annotation is: false [2021-10-28 22:57:01,350 INFO L853 garLoopResultBuilder]: At program point L492-2(lines 477 495) the Hoare annotation is: false [2021-10-28 22:57:01,351 INFO L853 garLoopResultBuilder]: At program point L492-3(lines 477 495) the Hoare annotation is: false [2021-10-28 22:57:01,352 INFO L853 garLoopResultBuilder]: At program point L492-4(lines 477 495) the Hoare annotation is: false [2021-10-28 22:57:01,352 INFO L853 garLoopResultBuilder]: At program point L492-5(lines 477 495) the Hoare annotation is: false [2021-10-28 22:57:01,352 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 22:57:01,353 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2021-10-28 22:57:01,353 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2021-10-28 22:57:01,353 INFO L853 garLoopResultBuilder]: At program point L232-1(lines 232 238) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse6 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse4) (and .cse0 .cse1 .cse3 .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse1 .cse5 .cse2 (= 0 ~systemActive~0)))) [2021-10-28 22:57:01,354 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 382) no Hoare annotation was computed. [2021-10-28 22:57:01,354 INFO L857 garLoopResultBuilder]: For program point L365-1(lines 365 382) no Hoare annotation was computed. [2021-10-28 22:57:01,354 INFO L857 garLoopResultBuilder]: For program point L365-2(lines 365 382) no Hoare annotation was computed. [2021-10-28 22:57:01,358 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:57:01,360 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:57:01,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:57:01 BoogieIcfgContainer [2021-10-28 22:57:01,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:57:01,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:57:01,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:57:01,434 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:57:01,434 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:50" (3/4) ... [2021-10-28 22:57:01,438 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:57:01,468 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 22:57:01,471 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 22:57:01,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 22:57:01,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 22:57:01,478 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 22:57:01,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:57:01,483 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:57:01,515 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 0 == systemActive) [2021-10-28 22:57:01,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 0 == systemActive) [2021-10-28 22:57:01,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 0 == systemActive) [2021-10-28 22:57:01,517 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((splverifierCounter == 0 && pumpRunning == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) [2021-10-28 22:57:01,523 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) [2021-10-28 22:57:01,525 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) || ((splverifierCounter == 0 && pumpRunning == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-10-28 22:57:01,526 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-10-28 22:57:01,528 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && 1 <= \result) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-10-28 22:57:01,528 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 0 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) && 1 <= \result)) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) [2021-10-28 22:57:01,529 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 1) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-10-28 22:57:01,532 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) [2021-10-28 22:57:01,534 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 22:57:01,537 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 22:57:01,634 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:57:01,634 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:57:01,636 INFO L168 Benchmark]: Toolchain (without parser) took 13650.71 ms. Allocated memory was 98.6 MB in the beginning and 174.1 MB in the end (delta: 75.5 MB). Free memory was 61.1 MB in the beginning and 60.7 MB in the end (delta: 448.5 kB). Peak memory consumption was 77.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:01,636 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 63.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:57:01,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.93 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 60.9 MB in the beginning and 103.6 MB in the end (delta: -42.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:01,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.73 ms. Allocated memory is still 130.0 MB. Free memory was 103.6 MB in the beginning and 97.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:01,638 INFO L168 Benchmark]: Boogie Preprocessor took 78.97 ms. Allocated memory is still 130.0 MB. Free memory was 97.3 MB in the beginning and 94.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:01,638 INFO L168 Benchmark]: RCFGBuilder took 1495.48 ms. Allocated memory is still 130.0 MB. Free memory was 94.0 MB in the beginning and 42.0 MB in the end (delta: 51.9 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:01,639 INFO L168 Benchmark]: TraceAbstraction took 11020.41 ms. Allocated memory was 130.0 MB in the beginning and 174.1 MB in the end (delta: 44.0 MB). Free memory was 41.5 MB in the beginning and 76.4 MB in the end (delta: -34.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:01,639 INFO L168 Benchmark]: Witness Printer took 201.19 ms. Allocated memory is still 174.1 MB. Free memory was 76.4 MB in the beginning and 60.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:01,641 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 63.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 708.93 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 60.9 MB in the beginning and 103.6 MB in the end (delta: -42.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 137.73 ms. Allocated memory is still 130.0 MB. Free memory was 103.6 MB in the beginning and 97.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.97 ms. Allocated memory is still 130.0 MB. Free memory was 97.3 MB in the beginning and 94.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1495.48 ms. Allocated memory is still 130.0 MB. Free memory was 94.0 MB in the beginning and 42.0 MB in the end (delta: 51.9 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11020.41 ms. Allocated memory was 130.0 MB in the beginning and 174.1 MB in the end (delta: 44.0 MB). Free memory was 41.5 MB in the beginning and 76.4 MB in the end (delta: -34.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. * Witness Printer took 201.19 ms. Allocated memory is still 174.1 MB. Free memory was 76.4 MB in the beginning and 60.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 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: 1019]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1019]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1019]: 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, 195 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1651 SDtfs, 1490 SDslu, 2151 SDs, 0 SdLazy, 281 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=568occurred in iteration=10, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1331 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 69 PreInvPairs, 296 NumberOfFragments, 951 HoareAnnotationTreeSize, 69 FomulaSimplifications, 139641 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 69 FomulaSimplificationsInter, 29337 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 581 NumberOfCodeBlocks, 581 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 566 ConstructedInterpolants, 0 QuantifiedInterpolants, 1145 SizeOfPredicates, 5 NumberOfNonLiveVariables, 908 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 81/100 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: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) || ((splverifierCounter == 0 && pumpRunning == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((splverifierCounter == 0 && pumpRunning == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 0 == systemActive) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 0 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) && 1 <= \result)) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 1) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || ((splverifierCounter == 0 && pumpRunning == 0) && 0 == systemActive)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 0 == systemActive) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && 1 <= \result) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 0 == systemActive) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 22:57:01,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3044961-a4bd-4474-a834-a94af1d79150/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...