./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be --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 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:51:01,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:51:01,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:51:01,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:51:01,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:51:01,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:51:01,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:51:01,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:51:01,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:51:01,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:51:01,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:51:01,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:51:01,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:51:01,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:51:01,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:51:01,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:51:01,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:51:01,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:51:01,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:51:01,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:51:01,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:51:01,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:51:01,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:51:01,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:51:01,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:51:01,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:51:01,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:51:01,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:51:01,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:51:01,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:51:01,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:51:01,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:51:01,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:51:01,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:51:01,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:51:01,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:51:01,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:51:01,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:51:01,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:51:01,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:51:01,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:51:01,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:51:02,028 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:51:02,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:51:02,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:51:02,030 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:51:02,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:51:02,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:51:02,039 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:51:02,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:51:02,040 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:51:02,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:51:02,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:51:02,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:51:02,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:51:02,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:51:02,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:51:02,043 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:51:02,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:51:02,044 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:51:02,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:51:02,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:51:02,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:51:02,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:51:02,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:51:02,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:51:02,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:51:02,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:51:02,046 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:51:02,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:51:02,047 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:51:02,047 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:51:02,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:51:02,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:51:02,048 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_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f [2021-10-21 19:51:02,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:51:02,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:51:02,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:51:02,468 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:51:02,469 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:51:02,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2021-10-21 19:51:02,544 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/data/bf96525a6/40e7bdaea0c14ee3a11daa532f150484/FLAG4a951b199 [2021-10-21 19:51:03,163 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:51:03,164 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2021-10-21 19:51:03,184 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/data/bf96525a6/40e7bdaea0c14ee3a11daa532f150484/FLAG4a951b199 [2021-10-21 19:51:03,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/data/bf96525a6/40e7bdaea0c14ee3a11daa532f150484 [2021-10-21 19:51:03,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:51:03,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:51:03,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:51:03,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:51:03,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:51:03,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:51:03" (1/1) ... [2021-10-21 19:51:03,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@655064ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:03, skipping insertion in model container [2021-10-21 19:51:03,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:51:03" (1/1) ... [2021-10-21 19:51:03,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:51:03,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:51:03,895 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_5118a83f-9658-4d61-949d-4b0e01b855af/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13463,13476] [2021-10-21 19:51:03,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:51:03,945 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:51:04,035 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_5118a83f-9658-4d61-949d-4b0e01b855af/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13463,13476] [2021-10-21 19:51:04,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:51:04,077 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:51:04,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:04 WrapperNode [2021-10-21 19:51:04,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:51:04,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:51:04,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:51:04,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:51:04,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:04" (1/1) ... [2021-10-21 19:51:04,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:04" (1/1) ... [2021-10-21 19:51:04,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:51:04,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:51:04,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:51:04,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:51:04,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:04" (1/1) ... [2021-10-21 19:51:04,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:04" (1/1) ... [2021-10-21 19:51:04,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:04" (1/1) ... [2021-10-21 19:51:04,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:04" (1/1) ... [2021-10-21 19:51:04,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:04" (1/1) ... [2021-10-21 19:51:04,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:04" (1/1) ... [2021-10-21 19:51:04,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:04" (1/1) ... [2021-10-21 19:51:04,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:51:04,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:51:04,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:51:04,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:51:04,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:04" (1/1) ... [2021-10-21 19:51:04,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:51:04,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:51:04,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:51:04,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:51:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:51:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:51:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:51:04,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:51:05,560 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:51:05,560 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-21 19:51:05,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:05 BoogieIcfgContainer [2021-10-21 19:51:05,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:51:05,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:51:05,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:51:05,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:51:05,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:51:03" (1/3) ... [2021-10-21 19:51:05,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1256cb00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:51:05, skipping insertion in model container [2021-10-21 19:51:05,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:04" (2/3) ... [2021-10-21 19:51:05,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1256cb00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:51:05, skipping insertion in model container [2021-10-21 19:51:05,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:05" (3/3) ... [2021-10-21 19:51:05,574 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2021-10-21 19:51:05,580 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:51:05,581 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 19:51:05,640 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:51:05,647 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 [2021-10-21 19:51:05,647 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 19:51:05,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 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) [2021-10-21 19:51:05,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 19:51:05,675 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:05,676 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:05,676 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:05,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:05,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2021-10-21 19:51:05,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:05,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248612260] [2021-10-21 19:51:05,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:05,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:06,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:06,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:06,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248612260] [2021-10-21 19:51:06,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248612260] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:06,011 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:06,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:51:06,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264677083] [2021-10-21 19:51:06,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:51:06,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:06,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:51:06,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:51:06,046 INFO L87 Difference]: Start difference. First operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-21 19:51:06,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:06,121 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-21 19:51:06,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:51:06,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-21 19:51:06,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:06,137 INFO L225 Difference]: With dead ends: 268 [2021-10-21 19:51:06,137 INFO L226 Difference]: Without dead ends: 133 [2021-10-21 19:51:06,142 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:51:06,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-21 19:51:06,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-21 19:51:06,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 130 states have (on average 1.476923076923077) internal successors, (192), 132 states have internal predecessors, (192), 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) [2021-10-21 19:51:06,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-21 19:51:06,222 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-10-21 19:51:06,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:06,224 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-21 19:51:06,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-21 19:51:06,225 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-21 19:51:06,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 19:51:06,227 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:06,227 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:06,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:51:06,228 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:06,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:06,232 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2021-10-21 19:51:06,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:06,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371030518] [2021-10-21 19:51:06,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:06,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:06,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:06,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371030518] [2021-10-21 19:51:06,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371030518] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:06,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:06,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:51:06,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140392453] [2021-10-21 19:51:06,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:06,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:06,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:06,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:06,451 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-10-21 19:51:06,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:06,467 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-21 19:51:06,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:06,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-10-21 19:51:06,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:06,473 INFO L225 Difference]: With dead ends: 133 [2021-10-21 19:51:06,473 INFO L226 Difference]: Without dead ends: 55 [2021-10-21 19:51:06,475 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:06,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-21 19:51:06,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-21 19:51:06,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 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) [2021-10-21 19:51:06,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-21 19:51:06,489 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-10-21 19:51:06,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:06,489 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-21 19:51:06,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-10-21 19:51:06,489 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-21 19:51:06,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:51:06,492 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:06,492 INFO L512 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] [2021-10-21 19:51:06,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:51:06,493 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:06,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:06,495 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2021-10-21 19:51:06,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:06,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549698458] [2021-10-21 19:51:06,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:06,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:06,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:06,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:06,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549698458] [2021-10-21 19:51:06,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549698458] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:06,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:06,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:51:06,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310001625] [2021-10-21 19:51:06,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:51:06,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:06,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:51:06,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:06,679 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-10-21 19:51:06,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:06,753 INFO L93 Difference]: Finished difference Result 127 states and 186 transitions. [2021-10-21 19:51:06,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:51:06,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2021-10-21 19:51:06,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:06,756 INFO L225 Difference]: With dead ends: 127 [2021-10-21 19:51:06,757 INFO L226 Difference]: Without dead ends: 78 [2021-10-21 19:51:06,758 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 32.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:51:06,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-21 19:51:06,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2021-10-21 19:51:06,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4794520547945205) internal successors, (108), 73 states have internal predecessors, (108), 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) [2021-10-21 19:51:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2021-10-21 19:51:06,766 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2021-10-21 19:51:06,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:06,769 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2021-10-21 19:51:06,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-10-21 19:51:06,770 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-10-21 19:51:06,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 19:51:06,771 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:06,772 INFO L512 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] [2021-10-21 19:51:06,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:51:06,772 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:06,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:06,773 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2021-10-21 19:51:06,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:06,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852578985] [2021-10-21 19:51:06,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:06,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:06,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:06,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852578985] [2021-10-21 19:51:06,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852578985] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:06,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:06,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:51:06,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171482202] [2021-10-21 19:51:06,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:06,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:06,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:06,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:06,846 INFO L87 Difference]: Start difference. First operand 74 states and 108 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) [2021-10-21 19:51:06,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:06,883 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2021-10-21 19:51:06,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:06,884 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 [2021-10-21 19:51:06,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:06,885 INFO L225 Difference]: With dead ends: 163 [2021-10-21 19:51:06,885 INFO L226 Difference]: Without dead ends: 95 [2021-10-21 19:51:06,886 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:06,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-21 19:51:06,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2021-10-21 19:51:06,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.434782608695652) internal successors, (132), 92 states have internal predecessors, (132), 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) [2021-10-21 19:51:06,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2021-10-21 19:51:06,909 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2021-10-21 19:51:06,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:06,909 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2021-10-21 19:51:06,909 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) [2021-10-21 19:51:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2021-10-21 19:51:06,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-21 19:51:06,917 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:06,918 INFO L512 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] [2021-10-21 19:51:06,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:51:06,918 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:06,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:06,919 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2021-10-21 19:51:06,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:06,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67419966] [2021-10-21 19:51:06,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:06,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:07,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:07,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:07,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67419966] [2021-10-21 19:51:07,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67419966] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:07,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:07,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:51:07,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465813632] [2021-10-21 19:51:07,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:51:07,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:07,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:51:07,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:07,018 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-10-21 19:51:07,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:07,119 INFO L93 Difference]: Finished difference Result 331 states and 477 transitions. [2021-10-21 19:51:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:51:07,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 25 [2021-10-21 19:51:07,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:07,122 INFO L225 Difference]: With dead ends: 331 [2021-10-21 19:51:07,122 INFO L226 Difference]: Without dead ends: 244 [2021-10-21 19:51:07,124 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 33.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:51:07,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-10-21 19:51:07,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 155. [2021-10-21 19:51:07,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.396103896103896) internal successors, (215), 154 states have internal predecessors, (215), 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) [2021-10-21 19:51:07,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2021-10-21 19:51:07,163 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 25 [2021-10-21 19:51:07,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:07,164 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-10-21 19:51:07,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-10-21 19:51:07,164 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2021-10-21 19:51:07,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 19:51:07,169 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:07,169 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:07,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:51:07,169 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:07,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:07,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1579349608, now seen corresponding path program 1 times [2021-10-21 19:51:07,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:07,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044142671] [2021-10-21 19:51:07,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:07,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:07,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:07,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:07,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044142671] [2021-10-21 19:51:07,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044142671] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:07,272 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:07,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:51:07,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9056301] [2021-10-21 19:51:07,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:51:07,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:07,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:51:07,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:07,279 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:07,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:07,412 INFO L93 Difference]: Finished difference Result 327 states and 462 transitions. [2021-10-21 19:51:07,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:51:07,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-21 19:51:07,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:07,415 INFO L225 Difference]: With dead ends: 327 [2021-10-21 19:51:07,415 INFO L226 Difference]: Without dead ends: 325 [2021-10-21 19:51:07,415 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 33.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:51:07,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-10-21 19:51:07,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 155. [2021-10-21 19:51:07,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3831168831168832) internal successors, (213), 154 states have internal predecessors, (213), 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) [2021-10-21 19:51:07,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 213 transitions. [2021-10-21 19:51:07,431 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 213 transitions. Word has length 26 [2021-10-21 19:51:07,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:07,432 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 213 transitions. [2021-10-21 19:51:07,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions. [2021-10-21 19:51:07,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 19:51:07,433 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:07,434 INFO L512 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] [2021-10-21 19:51:07,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:51:07,434 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:07,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:07,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1776901523, now seen corresponding path program 1 times [2021-10-21 19:51:07,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:07,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460888615] [2021-10-21 19:51:07,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:07,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:07,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:07,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:07,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460888615] [2021-10-21 19:51:07,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460888615] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:07,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:07,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:51:07,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185719170] [2021-10-21 19:51:07,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:51:07,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:07,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:51:07,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:51:07,486 INFO L87 Difference]: Start difference. First operand 155 states and 213 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 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) [2021-10-21 19:51:07,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:07,623 INFO L93 Difference]: Finished difference Result 320 states and 447 transitions. [2021-10-21 19:51:07,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:51:07,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 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 [2021-10-21 19:51:07,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:07,626 INFO L225 Difference]: With dead ends: 320 [2021-10-21 19:51:07,626 INFO L226 Difference]: Without dead ends: 233 [2021-10-21 19:51:07,627 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:51:07,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-10-21 19:51:07,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2021-10-21 19:51:07,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.3799126637554586) internal successors, (316), 229 states have internal predecessors, (316), 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) [2021-10-21 19:51:07,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 316 transitions. [2021-10-21 19:51:07,649 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 316 transitions. Word has length 34 [2021-10-21 19:51:07,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:07,649 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 316 transitions. [2021-10-21 19:51:07,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 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) [2021-10-21 19:51:07,650 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 316 transitions. [2021-10-21 19:51:07,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 19:51:07,651 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:07,651 INFO L512 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] [2021-10-21 19:51:07,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:51:07,651 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:07,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:07,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1238202095, now seen corresponding path program 1 times [2021-10-21 19:51:07,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:07,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481815582] [2021-10-21 19:51:07,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:07,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:07,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:07,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:07,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481815582] [2021-10-21 19:51:07,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481815582] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:07,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:07,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:51:07,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543108828] [2021-10-21 19:51:07,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:51:07,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:07,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:51:07,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:51:07,736 INFO L87 Difference]: Start difference. First operand 230 states and 316 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) [2021-10-21 19:51:07,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:07,807 INFO L93 Difference]: Finished difference Result 679 states and 946 transitions. [2021-10-21 19:51:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:51:07,808 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 [2021-10-21 19:51:07,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:07,811 INFO L225 Difference]: With dead ends: 679 [2021-10-21 19:51:07,811 INFO L226 Difference]: Without dead ends: 516 [2021-10-21 19:51:07,812 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:07,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2021-10-21 19:51:07,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 230. [2021-10-21 19:51:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.3711790393013101) internal successors, (314), 229 states have internal predecessors, (314), 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) [2021-10-21 19:51:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 314 transitions. [2021-10-21 19:51:07,844 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 314 transitions. Word has length 34 [2021-10-21 19:51:07,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:07,845 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 314 transitions. [2021-10-21 19:51:07,846 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) [2021-10-21 19:51:07,846 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 314 transitions. [2021-10-21 19:51:07,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 19:51:07,846 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:07,846 INFO L512 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] [2021-10-21 19:51:07,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:51:07,847 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:07,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:07,847 INFO L82 PathProgramCache]: Analyzing trace with hash 651396081, now seen corresponding path program 1 times [2021-10-21 19:51:07,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:07,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998639942] [2021-10-21 19:51:07,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:07,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:07,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:07,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:07,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998639942] [2021-10-21 19:51:07,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998639942] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:07,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:07,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:51:07,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099906092] [2021-10-21 19:51:07,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:51:07,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:07,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:51:07,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:07,905 INFO L87 Difference]: Start difference. First operand 230 states and 314 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) [2021-10-21 19:51:08,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:08,076 INFO L93 Difference]: Finished difference Result 505 states and 699 transitions. [2021-10-21 19:51:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:51:08,077 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 [2021-10-21 19:51:08,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:08,079 INFO L225 Difference]: With dead ends: 505 [2021-10-21 19:51:08,079 INFO L226 Difference]: Without dead ends: 342 [2021-10-21 19:51:08,080 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 31.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:51:08,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-10-21 19:51:08,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 256. [2021-10-21 19:51:08,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.380392156862745) internal successors, (352), 255 states have internal predecessors, (352), 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) [2021-10-21 19:51:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 352 transitions. [2021-10-21 19:51:08,108 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 352 transitions. Word has length 34 [2021-10-21 19:51:08,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:08,108 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 352 transitions. [2021-10-21 19:51:08,108 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) [2021-10-21 19:51:08,109 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 352 transitions. [2021-10-21 19:51:08,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-21 19:51:08,110 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:08,110 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:51:08,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:51:08,111 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:08,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:08,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1214164523, now seen corresponding path program 1 times [2021-10-21 19:51:08,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:08,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233668755] [2021-10-21 19:51:08,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:08,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:08,192 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 19:51:08,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:08,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233668755] [2021-10-21 19:51:08,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233668755] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:08,193 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:08,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:51:08,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263098508] [2021-10-21 19:51:08,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:51:08,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:08,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:51:08,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:08,197 INFO L87 Difference]: Start difference. First operand 256 states and 352 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-21 19:51:08,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:08,323 INFO L93 Difference]: Finished difference Result 778 states and 1068 transitions. [2021-10-21 19:51:08,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:51:08,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 54 [2021-10-21 19:51:08,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:08,329 INFO L225 Difference]: With dead ends: 778 [2021-10-21 19:51:08,329 INFO L226 Difference]: Without dead ends: 528 [2021-10-21 19:51:08,330 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:51:08,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-10-21 19:51:08,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 265. [2021-10-21 19:51:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 264 states have (on average 1.3674242424242424) internal successors, (361), 264 states have internal predecessors, (361), 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) [2021-10-21 19:51:08,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 361 transitions. [2021-10-21 19:51:08,375 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 361 transitions. Word has length 54 [2021-10-21 19:51:08,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:08,376 INFO L470 AbstractCegarLoop]: Abstraction has 265 states and 361 transitions. [2021-10-21 19:51:08,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-21 19:51:08,376 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 361 transitions. [2021-10-21 19:51:08,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-21 19:51:08,378 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:08,378 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:51:08,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:51:08,378 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:08,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:08,379 INFO L82 PathProgramCache]: Analyzing trace with hash 836819475, now seen corresponding path program 1 times [2021-10-21 19:51:08,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:08,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705012148] [2021-10-21 19:51:08,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:08,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:08,462 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 19:51:08,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:08,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705012148] [2021-10-21 19:51:08,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705012148] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:08,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:08,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:51:08,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985441976] [2021-10-21 19:51:08,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:51:08,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:08,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:51:08,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:51:08,464 INFO L87 Difference]: Start difference. First operand 265 states and 361 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2021-10-21 19:51:08,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:08,528 INFO L93 Difference]: Finished difference Result 609 states and 830 transitions. [2021-10-21 19:51:08,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:51:08,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 54 [2021-10-21 19:51:08,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:08,530 INFO L225 Difference]: With dead ends: 609 [2021-10-21 19:51:08,531 INFO L226 Difference]: Without dead ends: 350 [2021-10-21 19:51:08,531 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:08,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-10-21 19:51:08,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 224. [2021-10-21 19:51:08,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 1.3408071748878925) internal successors, (299), 223 states have internal predecessors, (299), 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) [2021-10-21 19:51:08,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 299 transitions. [2021-10-21 19:51:08,561 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 299 transitions. Word has length 54 [2021-10-21 19:51:08,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:08,561 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 299 transitions. [2021-10-21 19:51:08,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2021-10-21 19:51:08,561 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 299 transitions. [2021-10-21 19:51:08,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-21 19:51:08,562 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:08,562 INFO L512 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] [2021-10-21 19:51:08,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:51:08,563 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:08,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:08,564 INFO L82 PathProgramCache]: Analyzing trace with hash 492427471, now seen corresponding path program 1 times [2021-10-21 19:51:08,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:08,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174973371] [2021-10-21 19:51:08,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:08,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:08,676 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:08,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:08,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174973371] [2021-10-21 19:51:08,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174973371] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:51:08,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669854486] [2021-10-21 19:51:08,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:08,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:51:08,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:51:08,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:51:08,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:51:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:08,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:51:08,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:51:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:09,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669854486] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:51:09,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:51:09,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-21 19:51:09,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234938877] [2021-10-21 19:51:09,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:51:09,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:09,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:51:09,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:51:09,197 INFO L87 Difference]: Start difference. First operand 224 states and 299 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-10-21 19:51:09,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:09,444 INFO L93 Difference]: Finished difference Result 636 states and 864 transitions. [2021-10-21 19:51:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:51:09,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 [2021-10-21 19:51:09,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:09,450 INFO L225 Difference]: With dead ends: 636 [2021-10-21 19:51:09,450 INFO L226 Difference]: Without dead ends: 466 [2021-10-21 19:51:09,451 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 48.6ms TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:51:09,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-10-21 19:51:09,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 272. [2021-10-21 19:51:09,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 271 states have (on average 1.3394833948339484) internal successors, (363), 271 states have internal predecessors, (363), 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) [2021-10-21 19:51:09,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 363 transitions. [2021-10-21 19:51:09,495 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 363 transitions. Word has length 55 [2021-10-21 19:51:09,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:09,496 INFO L470 AbstractCegarLoop]: Abstraction has 272 states and 363 transitions. [2021-10-21 19:51:09,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-10-21 19:51:09,497 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 363 transitions. [2021-10-21 19:51:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-21 19:51:09,498 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:09,499 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:51:09,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:51:09,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:51:09,712 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:09,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:09,713 INFO L82 PathProgramCache]: Analyzing trace with hash 533191345, now seen corresponding path program 2 times [2021-10-21 19:51:09,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:09,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713637974] [2021-10-21 19:51:09,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:09,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:09,905 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-21 19:51:09,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:09,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713637974] [2021-10-21 19:51:09,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713637974] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:09,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:09,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:51:09,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167888106] [2021-10-21 19:51:09,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:51:09,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:09,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:51:09,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:09,908 INFO L87 Difference]: Start difference. First operand 272 states and 363 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2021-10-21 19:51:10,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:10,421 INFO L93 Difference]: Finished difference Result 853 states and 1154 transitions. [2021-10-21 19:51:10,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:51:10,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 76 [2021-10-21 19:51:10,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:10,426 INFO L225 Difference]: With dead ends: 853 [2021-10-21 19:51:10,426 INFO L226 Difference]: Without dead ends: 628 [2021-10-21 19:51:10,427 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 102.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:51:10,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2021-10-21 19:51:10,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 376. [2021-10-21 19:51:10,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 375 states have (on average 1.336) internal successors, (501), 375 states have internal predecessors, (501), 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) [2021-10-21 19:51:10,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 501 transitions. [2021-10-21 19:51:10,499 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 501 transitions. Word has length 76 [2021-10-21 19:51:10,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:10,499 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 501 transitions. [2021-10-21 19:51:10,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2021-10-21 19:51:10,500 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 501 transitions. [2021-10-21 19:51:10,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-21 19:51:10,501 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:10,501 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:51:10,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:51:10,502 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:10,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:10,502 INFO L82 PathProgramCache]: Analyzing trace with hash 807950959, now seen corresponding path program 1 times [2021-10-21 19:51:10,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:10,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469875459] [2021-10-21 19:51:10,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:10,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:10,575 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-21 19:51:10,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:10,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469875459] [2021-10-21 19:51:10,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469875459] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:10,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:10,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:51:10,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822020068] [2021-10-21 19:51:10,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:51:10,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:10,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:51:10,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:10,580 INFO L87 Difference]: Start difference. First operand 376 states and 501 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2021-10-21 19:51:10,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:10,679 INFO L93 Difference]: Finished difference Result 720 states and 959 transitions. [2021-10-21 19:51:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:51:10,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 76 [2021-10-21 19:51:10,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:10,680 INFO L225 Difference]: With dead ends: 720 [2021-10-21 19:51:10,680 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:51:10,681 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:51:10,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:51:10,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:51:10,682 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) [2021-10-21 19:51:10,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:51:10,682 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-10-21 19:51:10,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:10,683 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:51:10,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2021-10-21 19:51:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:51:10,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:51:10,686 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:10,687 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:10,687 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:10,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 19:51:10,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:51:10,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:10,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:10,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:10,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:10,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:10,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:11,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:12,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:13,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:13,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:13,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:13,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:13,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:13,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:13,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:13,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:13,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:13,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:13,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:18,650 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 931) no Hoare annotation was computed. [2021-10-21 19:51:18,650 INFO L853 garLoopResultBuilder]: At program point L729(lines 722 732) the Hoare annotation is: false [2021-10-21 19:51:18,650 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2021-10-21 19:51:18,651 INFO L853 garLoopResultBuilder]: At program point L729-1(lines 722 732) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) (not (= 0 ~systemActive~0))) [2021-10-21 19:51:18,651 INFO L853 garLoopResultBuilder]: At program point L729-2(lines 722 732) the Hoare annotation is: false [2021-10-21 19:51:18,651 INFO L853 garLoopResultBuilder]: At program point L729-3(lines 722 732) the Hoare annotation is: false [2021-10-21 19:51:18,651 INFO L853 garLoopResultBuilder]: At program point L729-4(lines 722 732) the Hoare annotation is: false [2021-10-21 19:51:18,651 INFO L853 garLoopResultBuilder]: At program point L729-5(lines 722 732) the Hoare annotation is: false [2021-10-21 19:51:18,652 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 579) no Hoare annotation was computed. [2021-10-21 19:51:18,652 INFO L853 garLoopResultBuilder]: At program point L566-1(lines 1 1010) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-10-21 19:51:18,652 INFO L857 garLoopResultBuilder]: For program point L566-2(lines 566 579) no Hoare annotation was computed. [2021-10-21 19:51:18,652 INFO L853 garLoopResultBuilder]: At program point L566-3(lines 1 1010) the Hoare annotation is: false [2021-10-21 19:51:18,652 INFO L857 garLoopResultBuilder]: For program point L566-4(lines 566 579) no Hoare annotation was computed. [2021-10-21 19:51:18,653 INFO L853 garLoopResultBuilder]: At program point L566-5(lines 1 1010) the Hoare annotation is: false [2021-10-21 19:51:18,653 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-10-21 19:51:18,653 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 609 615) no Hoare annotation was computed. [2021-10-21 19:51:18,653 INFO L853 garLoopResultBuilder]: At program point L997(lines 988 1001) the Hoare annotation is: false [2021-10-21 19:51:18,653 INFO L853 garLoopResultBuilder]: At program point L997-1(lines 988 1001) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse4) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (<= 1 ~waterLevel~0) .cse3 .cse4))) [2021-10-21 19:51:18,653 INFO L853 garLoopResultBuilder]: At program point L997-2(lines 988 1001) the Hoare annotation is: false [2021-10-21 19:51:18,654 INFO L853 garLoopResultBuilder]: At program point L997-3(lines 988 1001) the Hoare annotation is: false [2021-10-21 19:51:18,654 INFO L853 garLoopResultBuilder]: At program point L997-4(lines 988 1001) the Hoare annotation is: false [2021-10-21 19:51:18,654 INFO L853 garLoopResultBuilder]: At program point L997-5(lines 988 1001) the Hoare annotation is: false [2021-10-21 19:51:18,654 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 684) no Hoare annotation was computed. [2021-10-21 19:51:18,654 INFO L857 garLoopResultBuilder]: For program point L667-1(lines 667 684) no Hoare annotation was computed. [2021-10-21 19:51:18,654 INFO L857 garLoopResultBuilder]: For program point L667-2(lines 667 684) no Hoare annotation was computed. [2021-10-21 19:51:18,655 INFO L853 garLoopResultBuilder]: At program point L900(lines 849 901) the Hoare annotation is: false [2021-10-21 19:51:18,655 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2021-10-21 19:51:18,655 INFO L857 garLoopResultBuilder]: For program point L570-2(lines 570 576) no Hoare annotation was computed. [2021-10-21 19:51:18,655 INFO L857 garLoopResultBuilder]: For program point L570-4(lines 570 576) no Hoare annotation was computed. [2021-10-21 19:51:18,655 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 1010) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:51:18,656 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2021-10-21 19:51:18,656 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 182) no Hoare annotation was computed. [2021-10-21 19:51:18,656 INFO L860 garLoopResultBuilder]: At program point L175-1(lines 175 182) the Hoare annotation is: true [2021-10-21 19:51:18,656 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2021-10-21 19:51:18,656 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 679) no Hoare annotation was computed. [2021-10-21 19:51:18,657 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 710) no Hoare annotation was computed. [2021-10-21 19:51:18,657 INFO L857 garLoopResultBuilder]: For program point L671-1(lines 671 679) no Hoare annotation was computed. [2021-10-21 19:51:18,657 INFO L857 garLoopResultBuilder]: For program point L671-2(lines 671 679) no Hoare annotation was computed. [2021-10-21 19:51:18,657 INFO L857 garLoopResultBuilder]: For program point L704-4(lines 704 710) no Hoare annotation was computed. [2021-10-21 19:51:18,657 INFO L857 garLoopResultBuilder]: For program point L704-6(lines 704 710) no Hoare annotation was computed. [2021-10-21 19:51:18,657 INFO L857 garLoopResultBuilder]: For program point L704-8(lines 704 710) no Hoare annotation was computed. [2021-10-21 19:51:18,658 INFO L857 garLoopResultBuilder]: For program point L704-10(lines 704 710) no Hoare annotation was computed. [2021-10-21 19:51:18,658 INFO L857 garLoopResultBuilder]: For program point L870(lines 870 876) no Hoare annotation was computed. [2021-10-21 19:51:18,658 INFO L853 garLoopResultBuilder]: At program point L870-1(lines 870 876) the Hoare annotation is: (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse4 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse5))) [2021-10-21 19:51:18,658 INFO L853 garLoopResultBuilder]: At program point L738(lines 733 741) the Hoare annotation is: false [2021-10-21 19:51:18,658 INFO L853 garLoopResultBuilder]: At program point L738-1(lines 733 741) the Hoare annotation is: false [2021-10-21 19:51:18,658 INFO L853 garLoopResultBuilder]: At program point L738-2(lines 733 741) the Hoare annotation is: false [2021-10-21 19:51:18,659 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2021-10-21 19:51:18,659 INFO L857 garLoopResultBuilder]: For program point L806-2(lines 806 810) no Hoare annotation was computed. [2021-10-21 19:51:18,659 INFO L857 garLoopResultBuilder]: For program point L806-3(lines 806 810) no Hoare annotation was computed. [2021-10-21 19:51:18,659 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2021-10-21 19:51:18,659 INFO L857 garLoopResultBuilder]: For program point L806-5(lines 806 810) no Hoare annotation was computed. [2021-10-21 19:51:18,660 INFO L857 garLoopResultBuilder]: For program point L641-1(lines 641 658) no Hoare annotation was computed. [2021-10-21 19:51:18,660 INFO L857 garLoopResultBuilder]: For program point L806-6(lines 806 810) no Hoare annotation was computed. [2021-10-21 19:51:18,660 INFO L857 garLoopResultBuilder]: For program point L641-2(lines 641 658) no Hoare annotation was computed. [2021-10-21 19:51:18,660 INFO L857 garLoopResultBuilder]: For program point L641-3(lines 641 658) no Hoare annotation was computed. [2021-10-21 19:51:18,660 INFO L857 garLoopResultBuilder]: For program point L806-8(lines 806 810) no Hoare annotation was computed. [2021-10-21 19:51:18,660 INFO L857 garLoopResultBuilder]: For program point L641-4(lines 641 658) no Hoare annotation was computed. [2021-10-21 19:51:18,661 INFO L857 garLoopResultBuilder]: For program point L641-5(lines 641 658) no Hoare annotation was computed. [2021-10-21 19:51:18,661 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 943) no Hoare annotation was computed. [2021-10-21 19:51:18,661 INFO L853 garLoopResultBuilder]: At program point L609(lines 608 627) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))))) [2021-10-21 19:51:18,661 INFO L857 garLoopResultBuilder]: For program point L609-1(lines 609 615) no Hoare annotation was computed. [2021-10-21 19:51:18,661 INFO L853 garLoopResultBuilder]: At program point L609-2(lines 608 627) the Hoare annotation is: false [2021-10-21 19:51:18,661 INFO L853 garLoopResultBuilder]: At program point L609-3(lines 608 627) the Hoare annotation is: false [2021-10-21 19:51:18,662 INFO L853 garLoopResultBuilder]: At program point L1007(lines 1002 1010) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:51:18,662 INFO L853 garLoopResultBuilder]: At program point L1007-1(lines 1002 1010) the Hoare annotation is: false [2021-10-21 19:51:18,662 INFO L853 garLoopResultBuilder]: At program point L1007-2(lines 1002 1010) the Hoare annotation is: false [2021-10-21 19:51:18,662 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:51:18,662 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2021-10-21 19:51:18,663 INFO L857 garLoopResultBuilder]: For program point L645-1(lines 645 653) no Hoare annotation was computed. [2021-10-21 19:51:18,663 INFO L857 garLoopResultBuilder]: For program point L645-2(lines 645 653) no Hoare annotation was computed. [2021-10-21 19:51:18,663 INFO L857 garLoopResultBuilder]: For program point L645-3(lines 645 653) no Hoare annotation was computed. [2021-10-21 19:51:18,663 INFO L857 garLoopResultBuilder]: For program point L645-4(lines 645 653) no Hoare annotation was computed. [2021-10-21 19:51:18,663 INFO L857 garLoopResultBuilder]: For program point L645-5(lines 645 653) no Hoare annotation was computed. [2021-10-21 19:51:18,663 INFO L860 garLoopResultBuilder]: At program point L184(lines 165 187) the Hoare annotation is: true [2021-10-21 19:51:18,664 INFO L853 garLoopResultBuilder]: At program point L151(lines 147 153) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:51:18,664 INFO L853 garLoopResultBuilder]: At program point L812(lines 797 815) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 0) (not (= 0 ~systemActive~0))) [2021-10-21 19:51:18,664 INFO L853 garLoopResultBuilder]: At program point L812-1(lines 797 815) the Hoare annotation is: false [2021-10-21 19:51:18,664 INFO L853 garLoopResultBuilder]: At program point L812-2(lines 797 815) the Hoare annotation is: false [2021-10-21 19:51:18,664 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:51:18,665 INFO L857 garLoopResultBuilder]: For program point L880(lines 880 895) no Hoare annotation was computed. [2021-10-21 19:51:18,665 INFO L853 garLoopResultBuilder]: At program point L616(lines 616 622) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) .cse2))) [2021-10-21 19:51:18,665 INFO L853 garLoopResultBuilder]: At program point L616-1(lines 616 622) the Hoare annotation is: false [2021-10-21 19:51:18,665 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 622) the Hoare annotation is: false [2021-10-21 19:51:18,666 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 919) no Hoare annotation was computed. [2021-10-21 19:51:18,666 INFO L857 garLoopResultBuilder]: For program point L915-3(lines 915 919) no Hoare annotation was computed. [2021-10-21 19:51:18,666 INFO L857 garLoopResultBuilder]: For program point L915-6(lines 915 919) no Hoare annotation was computed. [2021-10-21 19:51:18,666 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:51:18,666 INFO L857 garLoopResultBuilder]: For program point L851(lines 850 899) no Hoare annotation was computed. [2021-10-21 19:51:18,666 INFO L853 garLoopResultBuilder]: At program point L984(lines 979 987) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-21 19:51:18,667 INFO L853 garLoopResultBuilder]: At program point L984-1(lines 979 987) the Hoare annotation is: false [2021-10-21 19:51:18,667 INFO L853 garLoopResultBuilder]: At program point L984-2(lines 979 987) the Hoare annotation is: false [2021-10-21 19:51:18,667 INFO L857 garLoopResultBuilder]: For program point L852(lines 852 856) no Hoare annotation was computed. [2021-10-21 19:51:18,667 INFO L857 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2021-10-21 19:51:18,667 INFO L857 garLoopResultBuilder]: For program point L588-1(line 588) no Hoare annotation was computed. [2021-10-21 19:51:18,667 INFO L857 garLoopResultBuilder]: For program point L588-2(line 588) no Hoare annotation was computed. [2021-10-21 19:51:18,668 INFO L853 garLoopResultBuilder]: At program point L952(lines 947 955) the Hoare annotation is: false [2021-10-21 19:51:18,668 INFO L853 garLoopResultBuilder]: At program point L952-1(lines 947 955) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) (not (= 0 ~systemActive~0))) [2021-10-21 19:51:18,668 INFO L853 garLoopResultBuilder]: At program point L952-2(lines 947 955) the Hoare annotation is: false [2021-10-21 19:51:18,668 INFO L853 garLoopResultBuilder]: At program point L952-3(lines 947 955) the Hoare annotation is: false [2021-10-21 19:51:18,668 INFO L857 garLoopResultBuilder]: For program point L820(lines 820 826) no Hoare annotation was computed. [2021-10-21 19:51:18,669 INFO L853 garLoopResultBuilder]: At program point L952-4(lines 947 955) the Hoare annotation is: false [2021-10-21 19:51:18,669 INFO L853 garLoopResultBuilder]: At program point L820-1(lines 820 826) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-21 19:51:18,669 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2021-10-21 19:51:18,669 INFO L853 garLoopResultBuilder]: At program point L952-5(lines 947 955) the Hoare annotation is: false [2021-10-21 19:51:18,669 INFO L857 garLoopResultBuilder]: For program point L787-2(lines 787 791) no Hoare annotation was computed. [2021-10-21 19:51:18,669 INFO L857 garLoopResultBuilder]: For program point L787-3(lines 787 791) no Hoare annotation was computed. [2021-10-21 19:51:18,670 INFO L857 garLoopResultBuilder]: For program point L787-5(lines 787 791) no Hoare annotation was computed. [2021-10-21 19:51:18,670 INFO L857 garLoopResultBuilder]: For program point L787-6(lines 787 791) no Hoare annotation was computed. [2021-10-21 19:51:18,670 INFO L857 garLoopResultBuilder]: For program point L787-8(lines 787 791) no Hoare annotation was computed. [2021-10-21 19:51:18,670 INFO L857 garLoopResultBuilder]: For program point L787-9(lines 787 791) no Hoare annotation was computed. [2021-10-21 19:51:18,670 INFO L857 garLoopResultBuilder]: For program point L787-11(lines 787 791) no Hoare annotation was computed. [2021-10-21 19:51:18,670 INFO L857 garLoopResultBuilder]: For program point L787-12(lines 787 791) no Hoare annotation was computed. [2021-10-21 19:51:18,671 INFO L857 garLoopResultBuilder]: For program point L787-14(lines 787 791) no Hoare annotation was computed. [2021-10-21 19:51:18,671 INFO L857 garLoopResultBuilder]: For program point L787-15(lines 787 791) no Hoare annotation was computed. [2021-10-21 19:51:18,671 INFO L857 garLoopResultBuilder]: For program point L787-17(lines 787 791) no Hoare annotation was computed. [2021-10-21 19:51:18,671 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:51:18,671 INFO L857 garLoopResultBuilder]: For program point L888(lines 888 894) no Hoare annotation was computed. [2021-10-21 19:51:18,671 INFO L853 garLoopResultBuilder]: At program point L888-1(lines 609 615) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) .cse2))) [2021-10-21 19:51:18,672 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:51:18,672 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2021-10-21 19:51:18,672 INFO L853 garLoopResultBuilder]: At program point L793(lines 778 796) the Hoare annotation is: false [2021-10-21 19:51:18,672 INFO L853 garLoopResultBuilder]: At program point L793-1(lines 778 796) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse4) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (<= 1 ~waterLevel~0) .cse3 .cse4))) [2021-10-21 19:51:18,672 INFO L853 garLoopResultBuilder]: At program point L793-2(lines 778 796) the Hoare annotation is: false [2021-10-21 19:51:18,673 INFO L853 garLoopResultBuilder]: At program point L793-3(lines 778 796) the Hoare annotation is: false [2021-10-21 19:51:18,673 INFO L853 garLoopResultBuilder]: At program point L793-4(lines 778 796) the Hoare annotation is: false [2021-10-21 19:51:18,673 INFO L853 garLoopResultBuilder]: At program point L793-5(lines 778 796) the Hoare annotation is: false [2021-10-21 19:51:18,673 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: false [2021-10-21 19:51:18,673 INFO L857 garLoopResultBuilder]: For program point L992(lines 992 998) no Hoare annotation was computed. [2021-10-21 19:51:18,673 INFO L857 garLoopResultBuilder]: For program point L992-1(lines 992 998) no Hoare annotation was computed. [2021-10-21 19:51:18,674 INFO L857 garLoopResultBuilder]: For program point L992-2(lines 992 998) no Hoare annotation was computed. [2021-10-21 19:51:18,674 INFO L857 garLoopResultBuilder]: For program point L992-3(lines 992 998) no Hoare annotation was computed. [2021-10-21 19:51:18,674 INFO L857 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2021-10-21 19:51:18,674 INFO L857 garLoopResultBuilder]: For program point L992-4(lines 992 998) no Hoare annotation was computed. [2021-10-21 19:51:18,674 INFO L853 garLoopResultBuilder]: At program point L860-1(lines 860 866) the Hoare annotation is: (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse4 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse5))) [2021-10-21 19:51:18,674 INFO L857 garLoopResultBuilder]: For program point L992-5(lines 992 998) no Hoare annotation was computed. [2021-10-21 19:51:18,675 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-21 19:51:18,679 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:51:18,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:51:18 BoogieIcfgContainer [2021-10-21 19:51:18,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:51:18,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:51:18,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:51:18,708 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:51:18,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:05" (3/4) ... [2021-10-21 19:51:18,712 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:51:18,736 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 19:51:18,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 19:51:18,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 19:51:18,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:51:18,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:51:18,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:51:18,746 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:51:18,779 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-21 19:51:18,780 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-21 19:51:18,781 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && \result == 1) && 1 <= \result) || ((((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && 2 <= \result) && \result == 0) && 2 <= tmp) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-21 19:51:18,781 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && \result == 1) && 1 <= \result) || ((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-21 19:51:18,782 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && \result == 1) && 1 <= \result) || ((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-21 19:51:18,782 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && \result == 1) [2021-10-21 19:51:18,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 1 && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-21 19:51:18,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && \result == 1) [2021-10-21 19:51:18,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && \result == 1 [2021-10-21 19:51:18,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && 2 <= \result) && \result == 0) && tmp == 0) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) [2021-10-21 19:51:18,785 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && splverifierCounter == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) [2021-10-21 19:51:18,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && \result == 0) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-21 19:51:18,787 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && splverifierCounter == 0) && \result == 0) && tmp___0 == 1) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) [2021-10-21 19:51:18,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) || (((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-21 19:51:18,790 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive) [2021-10-21 19:51:18,791 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive) [2021-10-21 19:51:18,853 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:51:18,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:51:18,854 INFO L168 Benchmark]: Toolchain (without parser) took 15380.58 ms. Allocated memory was 102.8 MB in the beginning and 243.3 MB in the end (delta: 140.5 MB). Free memory was 69.8 MB in the beginning and 148.7 MB in the end (delta: -78.9 MB). Peak memory consumption was 62.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:18,855 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 102.8 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:51:18,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.74 ms. Allocated memory is still 102.8 MB. Free memory was 69.8 MB in the beginning and 69.2 MB in the end (delta: 594.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:18,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.57 ms. Allocated memory is still 102.8 MB. Free memory was 69.2 MB in the beginning and 65.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:18,856 INFO L168 Benchmark]: Boogie Preprocessor took 71.51 ms. Allocated memory is still 102.8 MB. Free memory was 65.1 MB in the beginning and 62.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:18,856 INFO L168 Benchmark]: RCFGBuilder took 1318.93 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 62.0 MB in the beginning and 73.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:18,857 INFO L168 Benchmark]: TraceAbstraction took 13142.20 ms. Allocated memory was 134.2 MB in the beginning and 243.3 MB in the end (delta: 109.1 MB). Free memory was 73.3 MB in the beginning and 160.2 MB in the end (delta: -86.9 MB). Peak memory consumption was 113.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:18,857 INFO L168 Benchmark]: Witness Printer took 145.14 ms. Allocated memory is still 243.3 MB. Free memory was 160.2 MB in the beginning and 148.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:18,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 102.8 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 600.74 ms. Allocated memory is still 102.8 MB. Free memory was 69.8 MB in the beginning and 69.2 MB in the end (delta: 594.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.57 ms. Allocated memory is still 102.8 MB. Free memory was 69.2 MB in the beginning and 65.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.51 ms. Allocated memory is still 102.8 MB. Free memory was 65.1 MB in the beginning and 62.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1318.93 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 62.0 MB in the beginning and 73.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13142.20 ms. Allocated memory was 134.2 MB in the beginning and 243.3 MB in the end (delta: 109.1 MB). Free memory was 73.3 MB in the beginning and 160.2 MB in the end (delta: -86.9 MB). Peak memory consumption was 113.0 MB. Max. memory is 16.1 GB. * Witness Printer took 145.14 ms. Allocated memory is still 243.3 MB. Free memory was 160.2 MB in the beginning and 148.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 588]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 588]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 588]: 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, 137 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 13041.2ms, OverallIterations: 14, TraceHistogramMax: 3, EmptinessCheckTime: 39.0ms, AutomataDifference: 1987.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7961.4ms, InitialAbstractionConstructionTime: 15.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1761 SDtfs, 2260 SDslu, 2563 SDs, 0 SdLazy, 377 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 767.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 358.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=376occurred in iteration=13, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 431.4ms AutomataMinimizationTime, 14 MinimizatonAttempts, 1475 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 198 NumberOfFragments, 682 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1336650 FormulaSimplificationTreeSizeReduction, 2847.1ms HoareSimplificationTime, 56 FomulaSimplificationsInter, 416562 FormulaSimplificationTreeSizeReductionInter, 5092.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 112.0ms SsaConstructionTime, 656.2ms SatisfiabilityAnalysisTime, 1238.1ms InterpolantComputationTime, 602 NumberOfCodeBlocks, 602 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 587 ConstructedInterpolants, 0 QuantifiedInterpolants, 997 SizeOfPredicates, 3 NumberOfNonLiveVariables, 441 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 148/154 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: 979]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && splverifierCounter == 0) && \result == 0) && tmp___0 == 1) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 1 && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: ((((tmp == 1 && splverifierCounter == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && \result == 1) && 1 <= \result) || ((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) || (((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && \result == 0) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && 2 <= \result) && \result == 0) && tmp == 0) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && \result == 1) && 1 <= \result) || ((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: ((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && \result == 1) && 1 <= \result) || ((((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && 2 <= \result) && \result == 0) && 2 <= tmp) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:51:18,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5118a83f-9658-4d61-949d-4b0e01b855af/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...