./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.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_c3e31892-7489-4542-af02-f8e584362c23/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/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_c3e31892-7489-4542-af02-f8e584362c23/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/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_c3e31892-7489-4542-af02-f8e584362c23/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 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:14:23,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:14:23,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:14:23,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:14:23,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:14:23,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:14:23,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:14:23,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:14:23,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:14:23,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:14:23,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:14:23,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:14:23,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:14:23,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:14:23,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:14:23,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:14:23,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:14:23,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:14:23,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:14:23,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:14:23,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:14:23,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:14:23,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:14:24,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:14:24,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:14:24,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:14:24,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:14:24,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:14:24,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:14:24,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:14:24,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:14:24,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:14:24,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:14:24,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:14:24,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:14:24,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:14:24,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:14:24,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:14:24,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:14:24,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:14:24,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:14:24,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:14:24,075 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:14:24,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:14:24,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:14:24,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:14:24,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:14:24,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:14:24,086 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:14:24,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:14:24,087 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:14:24,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:14:24,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:14:24,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:14:24,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:14:24,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:14:24,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:14:24,089 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:14:24,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:14:24,089 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:14:24,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:14:24,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:14:24,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:14:24,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:14:24,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:14:24,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:14:24,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:14:24,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:14:24,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:14:24,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:14:24,093 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:14:24,093 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:14:24,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:14:24,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:14:24,094 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_c3e31892-7489-4542-af02-f8e584362c23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 [2021-10-21 19:14:24,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:14:24,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:14:24,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:14:24,447 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:14:24,448 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:14:24,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-10-21 19:14:24,566 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/bin/uautomizer-j4sWxH34Be/data/73cbee4ba/8313c04190ae46859320307b82b9b3b7/FLAGd290462c2 [2021-10-21 19:14:25,169 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:14:25,170 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-10-21 19:14:25,186 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/bin/uautomizer-j4sWxH34Be/data/73cbee4ba/8313c04190ae46859320307b82b9b3b7/FLAGd290462c2 [2021-10-21 19:14:25,433 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/bin/uautomizer-j4sWxH34Be/data/73cbee4ba/8313c04190ae46859320307b82b9b3b7 [2021-10-21 19:14:25,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:14:25,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:14:25,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:14:25,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:14:25,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:14:25,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:14:25" (1/1) ... [2021-10-21 19:14:25,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a2eb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:25, skipping insertion in model container [2021-10-21 19:14:25,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:14:25" (1/1) ... [2021-10-21 19:14:25,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:14:25,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:14:25,879 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_c3e31892-7489-4542-af02-f8e584362c23/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2021-10-21 19:14:25,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:14:25,902 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:14:26,012 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_c3e31892-7489-4542-af02-f8e584362c23/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2021-10-21 19:14:26,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:14:26,054 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:14:26,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:26 WrapperNode [2021-10-21 19:14:26,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:14:26,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:14:26,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:14:26,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:14:26,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:26" (1/1) ... [2021-10-21 19:14:26,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:26" (1/1) ... [2021-10-21 19:14:26,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:14:26,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:14:26,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:14:26,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:14:26,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:26" (1/1) ... [2021-10-21 19:14:26,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:26" (1/1) ... [2021-10-21 19:14:26,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:26" (1/1) ... [2021-10-21 19:14:26,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:26" (1/1) ... [2021-10-21 19:14:26,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:26" (1/1) ... [2021-10-21 19:14:26,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:26" (1/1) ... [2021-10-21 19:14:26,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:26" (1/1) ... [2021-10-21 19:14:26,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:14:26,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:14:26,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:14:26,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:14:26,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:26" (1/1) ... [2021-10-21 19:14:26,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:14:26,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:26,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:26,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:14:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:14:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:14:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:14:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:14:27,553 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:14:27,553 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-10-21 19:14:27,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:27 BoogieIcfgContainer [2021-10-21 19:14:27,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:14:27,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:14:27,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:14:27,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:14:27,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:14:25" (1/3) ... [2021-10-21 19:14:27,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:14:27, skipping insertion in model container [2021-10-21 19:14:27,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:26" (2/3) ... [2021-10-21 19:14:27,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:14:27, skipping insertion in model container [2021-10-21 19:14:27,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:27" (3/3) ... [2021-10-21 19:14:27,572 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2021-10-21 19:14:27,581 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:14:27,582 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 19:14:27,632 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:14:27,637 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 19:14:27,638 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 19:14:27,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 113 states have (on average 1.575221238938053) internal successors, (178), 116 states have internal predecessors, (178), 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 19:14:27,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 19:14:27,670 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:27,670 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:27,671 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 19:14:27,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:27,677 INFO L82 PathProgramCache]: Analyzing trace with hash 114928579, now seen corresponding path program 1 times [2021-10-21 19:14:27,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:27,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286344181] [2021-10-21 19:14:27,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:27,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:27,965 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 19:14:27,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:27,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286344181] [2021-10-21 19:14:27,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286344181] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:27,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:27,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:14:27,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191502432] [2021-10-21 19:14:27,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:14:27,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:28,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:14:28,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:14:28,018 INFO L87 Difference]: Start difference. First operand has 117 states, 113 states have (on average 1.575221238938053) internal successors, (178), 116 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:28,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:28,077 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2021-10-21 19:14:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:14:28,078 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-21 19:14:28,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:28,091 INFO L225 Difference]: With dead ends: 227 [2021-10-21 19:14:28,091 INFO L226 Difference]: Without dead ends: 113 [2021-10-21 19:14:28,095 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 19:14:28,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-21 19:14:28,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-21 19:14:28,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 110 states have (on average 1.509090909090909) internal successors, (166), 112 states have internal predecessors, (166), 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 19:14:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2021-10-21 19:14:28,136 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2021-10-21 19:14:28,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:28,136 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2021-10-21 19:14:28,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:28,137 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2021-10-21 19:14:28,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 19:14:28,138 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:28,139 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:28,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:14:28,139 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 19:14:28,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:28,140 INFO L82 PathProgramCache]: Analyzing trace with hash -483581501, now seen corresponding path program 1 times [2021-10-21 19:14:28,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:28,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023565007] [2021-10-21 19:14:28,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:28,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:28,288 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 19:14:28,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:28,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023565007] [2021-10-21 19:14:28,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023565007] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:28,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:28,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:14:28,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463131912] [2021-10-21 19:14:28,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:28,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:28,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:28,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:28,294 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:28,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:28,318 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2021-10-21 19:14:28,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:28,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-21 19:14:28,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:28,325 INFO L225 Difference]: With dead ends: 113 [2021-10-21 19:14:28,326 INFO L226 Difference]: Without dead ends: 49 [2021-10-21 19:14:28,328 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:28,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-21 19:14:28,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-21 19:14:28,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 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 19:14:28,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-21 19:14:28,343 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-21 19:14:28,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:28,344 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-21 19:14:28,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:28,344 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-21 19:14:28,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 19:14:28,347 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:28,348 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 19:14:28,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:14:28,349 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 19:14:28,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:28,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1368517952, now seen corresponding path program 1 times [2021-10-21 19:14:28,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:28,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021300399] [2021-10-21 19:14:28,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:28,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:28,494 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 19:14:28,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:28,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021300399] [2021-10-21 19:14:28,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021300399] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:28,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:28,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:14:28,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517691637] [2021-10-21 19:14:28,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:28,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:28,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:28,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:28,499 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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 19:14:28,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:28,596 INFO L93 Difference]: Finished difference Result 115 states and 171 transitions. [2021-10-21 19:14:28,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:14:28,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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 19:14:28,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:28,607 INFO L225 Difference]: With dead ends: 115 [2021-10-21 19:14:28,607 INFO L226 Difference]: Without dead ends: 73 [2021-10-21 19:14:28,608 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 47.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:14:28,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-21 19:14:28,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2021-10-21 19:14:28,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.5) internal successors, (102), 68 states have internal predecessors, (102), 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 19:14:28,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2021-10-21 19:14:28,620 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 102 transitions. Word has length 24 [2021-10-21 19:14:28,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:28,620 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 102 transitions. [2021-10-21 19:14:28,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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 19:14:28,621 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2021-10-21 19:14:28,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 19:14:28,624 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:28,624 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 19:14:28,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:14:28,625 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 19:14:28,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:28,627 INFO L82 PathProgramCache]: Analyzing trace with hash 418729815, now seen corresponding path program 1 times [2021-10-21 19:14:28,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:28,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196879721] [2021-10-21 19:14:28,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:28,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:28,767 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 19:14:28,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:28,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196879721] [2021-10-21 19:14:28,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196879721] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:28,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:28,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:14:28,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398944827] [2021-10-21 19:14:28,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:28,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:28,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:28,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:28,770 INFO L87 Difference]: Start difference. First operand 69 states and 102 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 19:14:28,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:28,833 INFO L93 Difference]: Finished difference Result 153 states and 229 transitions. [2021-10-21 19:14:28,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:28,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 19:14:28,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:28,838 INFO L225 Difference]: With dead ends: 153 [2021-10-21 19:14:28,838 INFO L226 Difference]: Without dead ends: 91 [2021-10-21 19:14:28,843 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:28,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-10-21 19:14:28,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2021-10-21 19:14:28,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 88 states have internal predecessors, (128), 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 19:14:28,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2021-10-21 19:14:28,865 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 26 [2021-10-21 19:14:28,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:28,866 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2021-10-21 19:14:28,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 19:14:28,866 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2021-10-21 19:14:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-21 19:14:28,873 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:28,873 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] [2021-10-21 19:14:28,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:14:28,875 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 19:14:28,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:28,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1090172169, now seen corresponding path program 1 times [2021-10-21 19:14:28,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:28,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011859719] [2021-10-21 19:14:28,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:28,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:29,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:29,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011859719] [2021-10-21 19:14:29,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011859719] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:29,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:29,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:14:29,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648023201] [2021-10-21 19:14:29,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:29,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:29,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:29,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:29,007 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:29,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:29,139 INFO L93 Difference]: Finished difference Result 420 states and 614 transitions. [2021-10-21 19:14:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:14:29,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-21 19:14:29,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:29,144 INFO L225 Difference]: With dead ends: 420 [2021-10-21 19:14:29,144 INFO L226 Difference]: Without dead ends: 338 [2021-10-21 19:14:29,145 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 41.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:14:29,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-10-21 19:14:29,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 160. [2021-10-21 19:14:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.4276729559748427) internal successors, (227), 159 states have internal predecessors, (227), 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 19:14:29,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 227 transitions. [2021-10-21 19:14:29,208 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 227 transitions. Word has length 27 [2021-10-21 19:14:29,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:29,209 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 227 transitions. [2021-10-21 19:14:29,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:29,209 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 227 transitions. [2021-10-21 19:14:29,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-21 19:14:29,210 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:29,210 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] [2021-10-21 19:14:29,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:14:29,211 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 19:14:29,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:29,212 INFO L82 PathProgramCache]: Analyzing trace with hash -343972991, now seen corresponding path program 1 times [2021-10-21 19:14:29,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:29,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681347654] [2021-10-21 19:14:29,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:29,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:29,305 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 19:14:29,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:29,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681347654] [2021-10-21 19:14:29,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681347654] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:29,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:29,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:14:29,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792736086] [2021-10-21 19:14:29,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:29,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:29,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:29,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:29,313 INFO L87 Difference]: Start difference. First operand 160 states and 227 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:29,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:29,479 INFO L93 Difference]: Finished difference Result 589 states and 841 transitions. [2021-10-21 19:14:29,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:14:29,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-21 19:14:29,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:29,491 INFO L225 Difference]: With dead ends: 589 [2021-10-21 19:14:29,491 INFO L226 Difference]: Without dead ends: 436 [2021-10-21 19:14:29,494 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 40.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:14:29,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-10-21 19:14:29,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 158. [2021-10-21 19:14:29,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.4076433121019107) internal successors, (221), 157 states have internal predecessors, (221), 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 19:14:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 221 transitions. [2021-10-21 19:14:29,526 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 221 transitions. Word has length 28 [2021-10-21 19:14:29,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:29,527 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 221 transitions. [2021-10-21 19:14:29,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:29,527 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 221 transitions. [2021-10-21 19:14:29,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:14:29,533 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:29,533 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] [2021-10-21 19:14:29,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:14:29,534 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 19:14:29,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:29,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1676975922, now seen corresponding path program 1 times [2021-10-21 19:14:29,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:29,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73567374] [2021-10-21 19:14:29,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:29,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:29,631 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 19:14:29,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:29,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73567374] [2021-10-21 19:14:29,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73567374] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:29,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:29,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:14:29,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749912897] [2021-10-21 19:14:29,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:29,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:29,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:29,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:29,634 INFO L87 Difference]: Start difference. First operand 158 states and 221 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 19:14:29,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:29,720 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2021-10-21 19:14:29,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:14:29,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-10-21 19:14:29,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:29,723 INFO L225 Difference]: With dead ends: 471 [2021-10-21 19:14:29,724 INFO L226 Difference]: Without dead ends: 320 [2021-10-21 19:14:29,724 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:14:29,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-10-21 19:14:29,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 170. [2021-10-21 19:14:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.378698224852071) internal successors, (233), 169 states have internal predecessors, (233), 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 19:14:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 233 transitions. [2021-10-21 19:14:29,747 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 233 transitions. Word has length 33 [2021-10-21 19:14:29,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:29,748 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 233 transitions. [2021-10-21 19:14:29,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 19:14:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 233 transitions. [2021-10-21 19:14:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:14:29,749 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:29,749 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] [2021-10-21 19:14:29,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:14:29,750 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 19:14:29,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:29,750 INFO L82 PathProgramCache]: Analyzing trace with hash -975911344, now seen corresponding path program 1 times [2021-10-21 19:14:29,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:29,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657617234] [2021-10-21 19:14:29,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:29,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:29,805 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 19:14:29,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:29,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657617234] [2021-10-21 19:14:29,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657617234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:29,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:29,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:14:29,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358121874] [2021-10-21 19:14:29,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:14:29,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:29,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:14:29,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:14:29,808 INFO L87 Difference]: Start difference. First operand 170 states and 233 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 19:14:29,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:29,877 INFO L93 Difference]: Finished difference Result 429 states and 585 transitions. [2021-10-21 19:14:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:14:29,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-10-21 19:14:29,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:29,879 INFO L225 Difference]: With dead ends: 429 [2021-10-21 19:14:29,879 INFO L226 Difference]: Without dead ends: 266 [2021-10-21 19:14:29,880 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:29,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-10-21 19:14:29,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 178. [2021-10-21 19:14:29,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 177 states have (on average 1.3615819209039548) internal successors, (241), 177 states have internal predecessors, (241), 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 19:14:29,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 241 transitions. [2021-10-21 19:14:29,905 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 241 transitions. Word has length 33 [2021-10-21 19:14:29,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:29,905 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 241 transitions. [2021-10-21 19:14:29,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 19:14:29,906 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 241 transitions. [2021-10-21 19:14:29,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:14:29,907 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:29,907 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] [2021-10-21 19:14:29,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:14:29,907 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 19:14:29,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:29,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1562717358, now seen corresponding path program 1 times [2021-10-21 19:14:29,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:29,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277897301] [2021-10-21 19:14:29,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:29,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:29,957 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 19:14:29,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:29,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277897301] [2021-10-21 19:14:29,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277897301] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:29,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:29,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:14:29,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029961865] [2021-10-21 19:14:29,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:29,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:29,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:29,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:29,961 INFO L87 Difference]: Start difference. First operand 178 states and 241 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 19:14:30,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:30,007 INFO L93 Difference]: Finished difference Result 437 states and 591 transitions. [2021-10-21 19:14:30,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:30,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 33 [2021-10-21 19:14:30,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:30,012 INFO L225 Difference]: With dead ends: 437 [2021-10-21 19:14:30,013 INFO L226 Difference]: Without dead ends: 266 [2021-10-21 19:14:30,013 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:30,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-10-21 19:14:30,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-10-21 19:14:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.3245283018867924) internal successors, (351), 265 states have internal predecessors, (351), 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 19:14:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 351 transitions. [2021-10-21 19:14:30,045 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 351 transitions. Word has length 33 [2021-10-21 19:14:30,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:30,046 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 351 transitions. [2021-10-21 19:14:30,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 19:14:30,046 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 351 transitions. [2021-10-21 19:14:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 19:14:30,047 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:30,047 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 19:14:30,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:14:30,047 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 19:14:30,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:30,048 INFO L82 PathProgramCache]: Analyzing trace with hash 331914770, now seen corresponding path program 1 times [2021-10-21 19:14:30,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:30,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904862795] [2021-10-21 19:14:30,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:30,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:30,097 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 19:14:30,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:30,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904862795] [2021-10-21 19:14:30,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904862795] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:30,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:30,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:14:30,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815137977] [2021-10-21 19:14:30,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:30,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:30,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:30,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:30,100 INFO L87 Difference]: Start difference. First operand 266 states and 351 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) 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 19:14:30,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:30,165 INFO L93 Difference]: Finished difference Result 381 states and 504 transitions. [2021-10-21 19:14:30,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:30,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) 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 19:14:30,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:30,169 INFO L225 Difference]: With dead ends: 381 [2021-10-21 19:14:30,169 INFO L226 Difference]: Without dead ends: 379 [2021-10-21 19:14:30,170 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:30,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2021-10-21 19:14:30,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 310. [2021-10-21 19:14:30,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.3462783171521036) internal successors, (416), 309 states have internal predecessors, (416), 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 19:14:30,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 416 transitions. [2021-10-21 19:14:30,211 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 416 transitions. Word has length 34 [2021-10-21 19:14:30,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:30,211 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 416 transitions. [2021-10-21 19:14:30,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) 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 19:14:30,212 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 416 transitions. [2021-10-21 19:14:30,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-21 19:14:30,213 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:30,213 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:30,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:14:30,214 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 19:14:30,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:30,214 INFO L82 PathProgramCache]: Analyzing trace with hash 351981025, now seen corresponding path program 1 times [2021-10-21 19:14:30,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:30,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383853482] [2021-10-21 19:14:30,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:30,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:30,315 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-21 19:14:30,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:30,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383853482] [2021-10-21 19:14:30,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383853482] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:30,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:30,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:14:30,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107906693] [2021-10-21 19:14:30,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:14:30,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:30,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:14:30,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:14:30,319 INFO L87 Difference]: Start difference. First operand 310 states and 416 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 19:14:30,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:30,674 INFO L93 Difference]: Finished difference Result 1038 states and 1406 transitions. [2021-10-21 19:14:30,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 19:14:30,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 56 [2021-10-21 19:14:30,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:30,682 INFO L225 Difference]: With dead ends: 1038 [2021-10-21 19:14:30,682 INFO L226 Difference]: Without dead ends: 735 [2021-10-21 19:14:30,683 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 73.4ms TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-10-21 19:14:30,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2021-10-21 19:14:30,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 287. [2021-10-21 19:14:30,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 286 states have (on average 1.3181818181818181) internal successors, (377), 286 states have internal predecessors, (377), 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 19:14:30,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 377 transitions. [2021-10-21 19:14:30,733 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 377 transitions. Word has length 56 [2021-10-21 19:14:30,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:30,733 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 377 transitions. [2021-10-21 19:14:30,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 19:14:30,733 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 377 transitions. [2021-10-21 19:14:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-21 19:14:30,735 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:30,735 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:30,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:14:30,735 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 19:14:30,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:30,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1298950968, now seen corresponding path program 1 times [2021-10-21 19:14:30,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:30,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018945521] [2021-10-21 19:14:30,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:30,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:30,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:30,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018945521] [2021-10-21 19:14:30,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018945521] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:30,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:30,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:14:30,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688444676] [2021-10-21 19:14:30,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:30,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:30,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:30,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:30,846 INFO L87 Difference]: Start difference. First operand 287 states and 377 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 19:14:30,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:30,987 INFO L93 Difference]: Finished difference Result 467 states and 624 transitions. [2021-10-21 19:14:30,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:14:30,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 58 [2021-10-21 19:14:30,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:30,990 INFO L225 Difference]: With dead ends: 467 [2021-10-21 19:14:30,991 INFO L226 Difference]: Without dead ends: 275 [2021-10-21 19:14:30,991 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:14:30,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-10-21 19:14:31,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 271. [2021-10-21 19:14:31,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 270 states have (on average 1.2851851851851852) internal successors, (347), 270 states have internal predecessors, (347), 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 19:14:31,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 347 transitions. [2021-10-21 19:14:31,037 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 347 transitions. Word has length 58 [2021-10-21 19:14:31,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:31,037 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 347 transitions. [2021-10-21 19:14:31,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 19:14:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 347 transitions. [2021-10-21 19:14:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-21 19:14:31,038 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:31,038 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:31,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:14:31,039 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 19:14:31,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:31,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1158850466, now seen corresponding path program 1 times [2021-10-21 19:14:31,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:31,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148573469] [2021-10-21 19:14:31,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:31,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:31,080 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-21 19:14:31,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:31,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148573469] [2021-10-21 19:14:31,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148573469] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:31,080 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:31,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:14:31,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487063741] [2021-10-21 19:14:31,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:31,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:31,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:31,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:31,082 INFO L87 Difference]: Start difference. First operand 271 states and 347 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 19:14:31,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:31,207 INFO L93 Difference]: Finished difference Result 527 states and 674 transitions. [2021-10-21 19:14:31,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:31,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 61 [2021-10-21 19:14:31,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:31,208 INFO L225 Difference]: With dead ends: 527 [2021-10-21 19:14:31,208 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:14:31,209 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:31,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:14:31,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:14:31,210 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 19:14:31,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:14:31,210 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-10-21 19:14:31,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:31,210 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:14:31,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 19:14:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:14:31,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:14:31,213 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:31,214 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:31,214 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:31,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:14:31,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:14:31,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:31,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:31,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:31,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:31,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:31,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:31,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:31,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:31,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:31,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:32,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:33,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:33,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:33,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:33,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:33,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:33,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:33,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:33,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:37,408 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 839) no Hoare annotation was computed. [2021-10-21 19:14:37,408 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 350) no Hoare annotation was computed. [2021-10-21 19:14:37,408 INFO L857 garLoopResultBuilder]: For program point L333-1(lines 333 350) no Hoare annotation was computed. [2021-10-21 19:14:37,409 INFO L857 garLoopResultBuilder]: For program point L333-2(lines 333 350) no Hoare annotation was computed. [2021-10-21 19:14:37,409 INFO L857 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2021-10-21 19:14:37,409 INFO L853 garLoopResultBuilder]: At program point L70-1(lines 1 977) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ULTIMATE.start_main_~tmp~8 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 (not .cse1) .cse5 .cse8 .cse6 .cse9 .cse10) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse10) (and .cse0 .cse1 .cse2 .cse5 .cse8 .cse6 .cse9))) [2021-10-21 19:14:37,409 INFO L857 garLoopResultBuilder]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2021-10-21 19:14:37,409 INFO L853 garLoopResultBuilder]: At program point L70-3(lines 1 977) the Hoare annotation is: false [2021-10-21 19:14:37,409 INFO L857 garLoopResultBuilder]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2021-10-21 19:14:37,410 INFO L853 garLoopResultBuilder]: At program point L70-5(lines 1 977) the Hoare annotation is: false [2021-10-21 19:14:37,410 INFO L857 garLoopResultBuilder]: For program point L236(lines 236 251) no Hoare annotation was computed. [2021-10-21 19:14:37,410 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-10-21 19:14:37,410 INFO L857 garLoopResultBuilder]: For program point L104-3(lines 104 108) no Hoare annotation was computed. [2021-10-21 19:14:37,410 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 937) no Hoare annotation was computed. [2021-10-21 19:14:37,410 INFO L857 garLoopResultBuilder]: For program point L104-6(lines 104 108) no Hoare annotation was computed. [2021-10-21 19:14:37,410 INFO L860 garLoopResultBuilder]: At program point L930-1(lines 930 937) the Hoare annotation is: true [2021-10-21 19:14:37,411 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2021-10-21 19:14:37,411 INFO L857 garLoopResultBuilder]: For program point L435-2(lines 435 439) no Hoare annotation was computed. [2021-10-21 19:14:37,411 INFO L857 garLoopResultBuilder]: For program point L435-3(lines 435 439) no Hoare annotation was computed. [2021-10-21 19:14:37,411 INFO L857 garLoopResultBuilder]: For program point L435-5(lines 435 439) no Hoare annotation was computed. [2021-10-21 19:14:37,411 INFO L857 garLoopResultBuilder]: For program point L435-6(lines 435 439) no Hoare annotation was computed. [2021-10-21 19:14:37,411 INFO L857 garLoopResultBuilder]: For program point L435-8(lines 435 439) no Hoare annotation was computed. [2021-10-21 19:14:37,411 INFO L857 garLoopResultBuilder]: For program point L435-9(lines 435 439) no Hoare annotation was computed. [2021-10-21 19:14:37,412 INFO L857 garLoopResultBuilder]: For program point L435-11(lines 435 439) no Hoare annotation was computed. [2021-10-21 19:14:37,412 INFO L857 garLoopResultBuilder]: For program point L435-12(lines 435 439) no Hoare annotation was computed. [2021-10-21 19:14:37,412 INFO L857 garLoopResultBuilder]: For program point L435-14(lines 435 439) no Hoare annotation was computed. [2021-10-21 19:14:37,412 INFO L857 garLoopResultBuilder]: For program point L435-15(lines 435 439) no Hoare annotation was computed. [2021-10-21 19:14:37,412 INFO L857 garLoopResultBuilder]: For program point L435-17(lines 435 439) no Hoare annotation was computed. [2021-10-21 19:14:37,412 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 345) no Hoare annotation was computed. [2021-10-21 19:14:37,412 INFO L857 garLoopResultBuilder]: For program point L337-1(lines 337 345) no Hoare annotation was computed. [2021-10-21 19:14:37,412 INFO L857 garLoopResultBuilder]: For program point L337-2(lines 337 345) no Hoare annotation was computed. [2021-10-21 19:14:37,413 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2021-10-21 19:14:37,413 INFO L857 garLoopResultBuilder]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2021-10-21 19:14:37,413 INFO L853 garLoopResultBuilder]: At program point L966(lines 1 977) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:14:37,413 INFO L857 garLoopResultBuilder]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2021-10-21 19:14:37,413 INFO L857 garLoopResultBuilder]: For program point L207(lines 206 255) no Hoare annotation was computed. [2021-10-21 19:14:37,414 INFO L853 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4))) [2021-10-21 19:14:37,414 INFO L853 garLoopResultBuilder]: At program point L141-1(lines 136 144) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse1 .cse3 .cse5) (and .cse0 .cse8 .cse6 .cse7 .cse1 .cse3) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4))) [2021-10-21 19:14:37,414 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-10-21 19:14:37,414 INFO L853 garLoopResultBuilder]: At program point L141-2(lines 136 144) the Hoare annotation is: false [2021-10-21 19:14:37,414 INFO L853 garLoopResultBuilder]: At program point L141-3(lines 136 144) the Hoare annotation is: false [2021-10-21 19:14:37,414 INFO L857 garLoopResultBuilder]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2021-10-21 19:14:37,414 INFO L853 garLoopResultBuilder]: At program point L141-4(lines 136 144) the Hoare annotation is: false [2021-10-21 19:14:37,415 INFO L853 garLoopResultBuilder]: At program point L141-5(lines 136 144) the Hoare annotation is: false [2021-10-21 19:14:37,415 INFO L857 garLoopResultBuilder]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2021-10-21 19:14:37,415 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 839) no Hoare annotation was computed. [2021-10-21 19:14:37,415 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 324) no Hoare annotation was computed. [2021-10-21 19:14:37,415 INFO L857 garLoopResultBuilder]: For program point L307-1(lines 307 324) no Hoare annotation was computed. [2021-10-21 19:14:37,415 INFO L857 garLoopResultBuilder]: For program point L307-2(lines 307 324) no Hoare annotation was computed. [2021-10-21 19:14:37,415 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 212) no Hoare annotation was computed. [2021-10-21 19:14:37,416 INFO L857 garLoopResultBuilder]: For program point L307-3(lines 307 324) no Hoare annotation was computed. [2021-10-21 19:14:37,416 INFO L857 garLoopResultBuilder]: For program point L307-4(lines 307 324) no Hoare annotation was computed. [2021-10-21 19:14:37,416 INFO L857 garLoopResultBuilder]: For program point L307-5(lines 307 324) no Hoare annotation was computed. [2021-10-21 19:14:37,416 INFO L853 garLoopResultBuilder]: At program point L275(lines 274 293) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse5 (not .cse9)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (not .cse6) .cse2 .cse3 .cse4 .cse7 .cse5) (and .cse0 .cse6 .cse8 .cse2 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse9 .cse7) (and .cse0 .cse8 .cse2 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4)))) [2021-10-21 19:14:37,416 INFO L857 garLoopResultBuilder]: For program point L275-1(lines 275 281) no Hoare annotation was computed. [2021-10-21 19:14:37,416 INFO L853 garLoopResultBuilder]: At program point L275-2(lines 274 293) the Hoare annotation is: false [2021-10-21 19:14:37,416 INFO L853 garLoopResultBuilder]: At program point L275-3(lines 274 293) the Hoare annotation is: false [2021-10-21 19:14:37,417 INFO L853 garLoopResultBuilder]: At program point L903(lines 899 905) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~8 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:14:37,417 INFO L853 garLoopResultBuilder]: At program point L441(lines 426 444) the Hoare annotation is: false [2021-10-21 19:14:37,417 INFO L853 garLoopResultBuilder]: At program point L441-1(lines 426 444) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse4 .cse5))) [2021-10-21 19:14:37,417 INFO L853 garLoopResultBuilder]: At program point L441-2(lines 426 444) the Hoare annotation is: false [2021-10-21 19:14:37,417 INFO L853 garLoopResultBuilder]: At program point L441-3(lines 426 444) the Hoare annotation is: false [2021-10-21 19:14:37,417 INFO L853 garLoopResultBuilder]: At program point L441-4(lines 426 444) the Hoare annotation is: false [2021-10-21 19:14:37,417 INFO L853 garLoopResultBuilder]: At program point L441-5(lines 426 444) the Hoare annotation is: false [2021-10-21 19:14:37,418 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 250) no Hoare annotation was computed. [2021-10-21 19:14:37,418 INFO L853 garLoopResultBuilder]: At program point L244-1(lines 275 281) the Hoare annotation is: (let ((.cse10 (= 0 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse1 (not .cse9)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (not .cse10)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~8 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse7 .cse4 .cse8 .cse5) (and .cse0 .cse9 .cse3 .cse7 .cse4 .cse10 .cse8) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse10) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse9 .cse6 .cse3 .cse7 .cse4)))) [2021-10-21 19:14:37,418 INFO L857 garLoopResultBuilder]: For program point L839(line 839) no Hoare annotation was computed. [2021-10-21 19:14:37,420 INFO L857 garLoopResultBuilder]: For program point L839-1(line 839) no Hoare annotation was computed. [2021-10-21 19:14:37,420 INFO L857 garLoopResultBuilder]: For program point L839-2(line 839) no Hoare annotation was computed. [2021-10-21 19:14:37,420 INFO L853 garLoopResultBuilder]: At program point L377(lines 370 380) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4))) [2021-10-21 19:14:37,420 INFO L853 garLoopResultBuilder]: At program point L377-1(lines 370 380) the Hoare annotation is: false [2021-10-21 19:14:37,421 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 319) no Hoare annotation was computed. [2021-10-21 19:14:37,421 INFO L853 garLoopResultBuilder]: At program point L377-2(lines 370 380) the Hoare annotation is: false [2021-10-21 19:14:37,421 INFO L857 garLoopResultBuilder]: For program point L311-1(lines 311 319) no Hoare annotation was computed. [2021-10-21 19:14:37,421 INFO L857 garLoopResultBuilder]: For program point L311-2(lines 311 319) no Hoare annotation was computed. [2021-10-21 19:14:37,421 INFO L857 garLoopResultBuilder]: For program point L311-3(lines 311 319) no Hoare annotation was computed. [2021-10-21 19:14:37,422 INFO L857 garLoopResultBuilder]: For program point L311-4(lines 311 319) no Hoare annotation was computed. [2021-10-21 19:14:37,422 INFO L857 garLoopResultBuilder]: For program point L311-5(lines 311 319) no Hoare annotation was computed. [2021-10-21 19:14:37,422 INFO L860 garLoopResultBuilder]: At program point L939(lines 920 942) the Hoare annotation is: true [2021-10-21 19:14:37,422 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 187) no Hoare annotation was computed. [2021-10-21 19:14:37,422 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 181 187) no Hoare annotation was computed. [2021-10-21 19:14:37,423 INFO L857 garLoopResultBuilder]: For program point L181-2(lines 181 187) no Hoare annotation was computed. [2021-10-21 19:14:37,423 INFO L857 garLoopResultBuilder]: For program point L181-3(lines 181 187) no Hoare annotation was computed. [2021-10-21 19:14:37,423 INFO L857 garLoopResultBuilder]: For program point L181-4(lines 181 187) no Hoare annotation was computed. [2021-10-21 19:14:37,423 INFO L857 garLoopResultBuilder]: For program point L181-5(lines 181 187) no Hoare annotation was computed. [2021-10-21 19:14:37,423 INFO L853 garLoopResultBuilder]: At program point L974(lines 969 977) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:14:37,424 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 120) no Hoare annotation was computed. [2021-10-21 19:14:37,424 INFO L853 garLoopResultBuilder]: At program point L282(lines 282 288) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse5 .cse6 .cse1 .cse3) (and .cse0 .cse6 .cse1 .cse3 .cse4))) [2021-10-21 19:14:37,424 INFO L853 garLoopResultBuilder]: At program point L282-1(lines 282 288) the Hoare annotation is: false [2021-10-21 19:14:37,424 INFO L857 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2021-10-21 19:14:37,424 INFO L853 garLoopResultBuilder]: At program point L282-2(lines 282 288) the Hoare annotation is: false [2021-10-21 19:14:37,425 INFO L853 garLoopResultBuilder]: At program point L216-1(lines 216 222) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ULTIMATE.start_main_~tmp~8 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 (not .cse1) .cse5 .cse8 .cse6 .cse9 .cse10) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse10) (and .cse0 .cse1 .cse2 .cse5 .cse8 .cse6 .cse9))) [2021-10-21 19:14:37,425 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2021-10-21 19:14:37,425 INFO L853 garLoopResultBuilder]: At program point L449-1(lines 449 455) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse4 .cse3))) [2021-10-21 19:14:37,425 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:14:37,426 INFO L853 garLoopResultBuilder]: At program point L186(lines 177 190) the Hoare annotation is: false [2021-10-21 19:14:37,426 INFO L853 garLoopResultBuilder]: At program point L186-1(lines 177 190) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse4 .cse5))) [2021-10-21 19:14:37,426 INFO L853 garLoopResultBuilder]: At program point L186-2(lines 177 190) the Hoare annotation is: false [2021-10-21 19:14:37,426 INFO L853 garLoopResultBuilder]: At program point L186-3(lines 177 190) the Hoare annotation is: false [2021-10-21 19:14:37,426 INFO L853 garLoopResultBuilder]: At program point L186-4(lines 177 190) the Hoare annotation is: false [2021-10-21 19:14:37,427 INFO L853 garLoopResultBuilder]: At program point L186-5(lines 177 190) the Hoare annotation is: false [2021-10-21 19:14:37,427 INFO L853 garLoopResultBuilder]: At program point L386(lines 381 389) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4 .cse5) (and .cse0 (= ~methAndRunningLastTime~0 0) (not .cse1) .cse2 .cse3 .cse4 .cse5 (not (= 0 ~systemActive~0))))) [2021-10-21 19:14:37,427 INFO L853 garLoopResultBuilder]: At program point L386-1(lines 381 389) the Hoare annotation is: false [2021-10-21 19:14:37,427 INFO L853 garLoopResultBuilder]: At program point L386-2(lines 381 389) the Hoare annotation is: false [2021-10-21 19:14:37,427 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:14:37,428 INFO L853 garLoopResultBuilder]: At program point L256(lines 205 257) the Hoare annotation is: false [2021-10-21 19:14:37,428 INFO L853 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~8 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:14:37,428 INFO L857 garLoopResultBuilder]: For program point L226(lines 226 232) no Hoare annotation was computed. [2021-10-21 19:14:37,428 INFO L853 garLoopResultBuilder]: At program point L226-1(lines 226 232) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0))) (let ((.cse1 (not .cse8)) (.cse5 (not (= 0 ~systemActive~0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~8 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse7 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse5) (and .cse0 .cse8 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse8 .cse6 .cse3 .cse7 .cse4)))) [2021-10-21 19:14:37,429 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:14:37,429 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 132) no Hoare annotation was computed. [2021-10-21 19:14:37,429 INFO L853 garLoopResultBuilder]: At program point L855-2(lines 855 869) the Hoare annotation is: false [2021-10-21 19:14:37,429 INFO L857 garLoopResultBuilder]: For program point L856(line 856) no Hoare annotation was computed. [2021-10-21 19:14:37,429 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:14:37,430 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 839) no Hoare annotation was computed. [2021-10-21 19:14:37,430 INFO L857 garLoopResultBuilder]: For program point L859(lines 859 863) no Hoare annotation was computed. [2021-10-21 19:14:37,430 INFO L857 garLoopResultBuilder]: For program point L859-1(lines 275 281) no Hoare annotation was computed. [2021-10-21 19:14:37,435 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:14:37,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:14:37 BoogieIcfgContainer [2021-10-21 19:14:37,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:14:37,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:14:37,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:14:37,488 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:14:37,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:27" (3/4) ... [2021-10-21 19:14:37,492 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:14:37,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 19:14:37,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 19:14:37,533 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 19:14:37,534 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:14:37,535 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:14:37,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:14:37,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:14:37,565 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-21 19:14:37,565 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-21 19:14:37,566 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-21 19:14:37,566 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) [2021-10-21 19:14:37,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) [2021-10-21 19:14:37,568 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) [2021-10-21 19:14:37,570 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) [2021-10-21 19:14:37,570 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) [2021-10-21 19:14:37,570 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-21 19:14:37,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) [2021-10-21 19:14:37,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) [2021-10-21 19:14:37,573 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-21 19:14:37,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && 1 <= \result) && \result == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-21 19:14:37,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-21 19:14:37,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) || (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) [2021-10-21 19:14:37,582 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-21 19:14:37,655 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:14:37,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:14:37,657 INFO L168 Benchmark]: Toolchain (without parser) took 12219.90 ms. Allocated memory was 104.9 MB in the beginning and 197.1 MB in the end (delta: 92.3 MB). Free memory was 69.9 MB in the beginning and 157.6 MB in the end (delta: -87.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:37,658 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 104.9 MB. Free memory is still 57.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:14:37,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.50 ms. Allocated memory is still 104.9 MB. Free memory was 69.8 MB in the beginning and 68.8 MB in the end (delta: 930.5 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:37,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.59 ms. Allocated memory is still 104.9 MB. Free memory was 68.8 MB in the beginning and 65.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:37,659 INFO L168 Benchmark]: Boogie Preprocessor took 108.94 ms. Allocated memory is still 104.9 MB. Free memory was 65.0 MB in the beginning and 62.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:37,660 INFO L168 Benchmark]: RCFGBuilder took 1253.32 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 62.6 MB in the beginning and 80.0 MB in the end (delta: -17.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:37,660 INFO L168 Benchmark]: TraceAbstraction took 9924.69 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 79.3 MB in the beginning and 168.1 MB in the end (delta: -88.7 MB). Peak memory consumption was 89.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:37,661 INFO L168 Benchmark]: Witness Printer took 168.44 ms. Allocated memory is still 197.1 MB. Free memory was 168.1 MB in the beginning and 157.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:37,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 104.9 MB. Free memory is still 57.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 618.50 ms. Allocated memory is still 104.9 MB. Free memory was 69.8 MB in the beginning and 68.8 MB in the end (delta: 930.5 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 138.59 ms. Allocated memory is still 104.9 MB. Free memory was 68.8 MB in the beginning and 65.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.94 ms. Allocated memory is still 104.9 MB. Free memory was 65.0 MB in the beginning and 62.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1253.32 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 62.6 MB in the beginning and 80.0 MB in the end (delta: -17.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9924.69 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 79.3 MB in the beginning and 168.1 MB in the end (delta: -88.7 MB). Peak memory consumption was 89.5 MB. Max. memory is 16.1 GB. * Witness Printer took 168.44 ms. Allocated memory is still 197.1 MB. Free memory was 168.1 MB in the beginning and 157.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 839]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 839]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 839]: 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, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9803.8ms, OverallIterations: 13, TraceHistogramMax: 2, EmptinessCheckTime: 37.3ms, AutomataDifference: 1574.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 6193.0ms, InitialAbstractionConstructionTime: 21.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1253 SDtfs, 1599 SDslu, 1825 SDs, 0 SdLazy, 243 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 521.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 277.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=10, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 383.5ms AutomataMinimizationTime, 13 MinimizatonAttempts, 1221 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 152 NumberOfFragments, 1217 HoareAnnotationTreeSize, 45 FomulaSimplifications, 388270 FormulaSimplificationTreeSizeReduction, 2188.8ms HoareSimplificationTime, 45 FomulaSimplificationsInter, 61203 FormulaSimplificationTreeSizeReductionInter, 3983.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 79.8ms SsaConstructionTime, 442.1ms SatisfiabilityAnalysisTime, 781.7ms InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 65/65 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: 899]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) || (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 1) && methaneLevelCritical == 1) && 1 <= \result) && \result == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:14:37,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e31892-7489-4542-af02-f8e584362c23/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...