./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.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_2872b65b-f283-4456-8f71-78bccbf04547/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/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_2872b65b-f283-4456-8f71-78bccbf04547/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/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_2872b65b-f283-4456-8f71-78bccbf04547/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 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:29:23,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:29:23,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:29:24,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:29:24,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:29:24,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:29:24,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:29:24,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:29:24,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:29:24,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:29:24,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:29:24,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:29:24,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:29:24,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:29:24,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:29:24,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:29:24,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:29:24,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:29:24,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:29:24,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:29:24,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:29:24,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:29:24,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:29:24,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:29:24,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:29:24,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:29:24,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:29:24,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:29:24,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:29:24,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:29:24,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:29:24,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:29:24,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:29:24,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:29:24,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:29:24,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:29:24,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:29:24,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:29:24,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:29:24,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:29:24,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:29:24,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:29:24,109 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:29:24,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:29:24,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:29:24,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:29:24,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:29:24,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:29:24,111 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:29:24,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:29:24,112 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:29:24,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:29:24,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:29:24,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:29:24,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:29:24,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:29:24,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:29:24,113 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:29:24,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:29:24,113 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:29:24,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:29:24,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:29:24,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:29:24,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:29:24,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:29:24,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:29:24,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:29:24,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:29:24,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:29:24,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:29:24,119 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:29:24,119 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:29:24,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:29:24,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:29:24,120 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_2872b65b-f283-4456-8f71-78bccbf04547/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb [2021-10-21 19:29:24,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:29:24,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:29:24,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:29:24,434 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:29:24,435 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:29:24,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-10-21 19:29:24,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/bin/uautomizer-j4sWxH34Be/data/b54f10ce6/1405967497dc40db870c0321672cecf7/FLAG00a7d4025 [2021-10-21 19:29:25,200 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:29:25,201 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-10-21 19:29:25,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/bin/uautomizer-j4sWxH34Be/data/b54f10ce6/1405967497dc40db870c0321672cecf7/FLAG00a7d4025 [2021-10-21 19:29:25,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/bin/uautomizer-j4sWxH34Be/data/b54f10ce6/1405967497dc40db870c0321672cecf7 [2021-10-21 19:29:25,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:29:25,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:29:25,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:29:25,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:29:25,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:29:25,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:29:25" (1/1) ... [2021-10-21 19:29:25,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb3ece3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:25, skipping insertion in model container [2021-10-21 19:29:25,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:29:25" (1/1) ... [2021-10-21 19:29:25,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:29:25,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:29:25,762 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_2872b65b-f283-4456-8f71-78bccbf04547/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3645,3658] [2021-10-21 19:29:25,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:29:25,865 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:29:25,891 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_2872b65b-f283-4456-8f71-78bccbf04547/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3645,3658] [2021-10-21 19:29:25,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:29:26,008 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:29:26,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:26 WrapperNode [2021-10-21 19:29:26,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:29:26,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:29:26,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:29:26,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:29:26,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:26" (1/1) ... [2021-10-21 19:29:26,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:26" (1/1) ... [2021-10-21 19:29:26,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:29:26,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:29:26,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:29:26,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:29:26,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:26" (1/1) ... [2021-10-21 19:29:26,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:26" (1/1) ... [2021-10-21 19:29:26,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:26" (1/1) ... [2021-10-21 19:29:26,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:26" (1/1) ... [2021-10-21 19:29:26,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:26" (1/1) ... [2021-10-21 19:29:26,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:26" (1/1) ... [2021-10-21 19:29:26,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:26" (1/1) ... [2021-10-21 19:29:26,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:29:26,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:29:26,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:29:26,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:29:26,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:26" (1/1) ... [2021-10-21 19:29:26,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:29:26,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:26,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:26,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:29:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:29:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:29:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:29:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:29:27,260 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:29:27,260 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-10-21 19:29:27,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:29:27 BoogieIcfgContainer [2021-10-21 19:29:27,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:29:27,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:29:27,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:29:27,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:29:27,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:29:25" (1/3) ... [2021-10-21 19:29:27,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e64dfb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:29:27, skipping insertion in model container [2021-10-21 19:29:27,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:26" (2/3) ... [2021-10-21 19:29:27,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e64dfb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:29:27, skipping insertion in model container [2021-10-21 19:29:27,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:29:27" (3/3) ... [2021-10-21 19:29:27,273 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2021-10-21 19:29:27,279 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:29:27,279 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 19:29:27,339 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:29:27,346 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 19:29:27,346 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 19:29:27,366 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:27,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 19:29:27,373 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:27,373 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:27,374 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 19:29:27,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:27,380 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2021-10-21 19:29:27,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:27,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651417465] [2021-10-21 19:29:27,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:27,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:27,720 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 19:29:27,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:27,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651417465] [2021-10-21 19:29:27,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651417465] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:27,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:27,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:29:27,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075269888] [2021-10-21 19:29:27,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:29:27,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:27,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:29:27,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:29:27,748 INFO L87 Difference]: Start difference. First operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:27,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:27,786 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-21 19:29:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:29:27,788 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-21 19:29:27,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:27,802 INFO L225 Difference]: With dead ends: 268 [2021-10-21 19:29:27,802 INFO L226 Difference]: Without dead ends: 133 [2021-10-21 19:29:27,806 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 19:29:27,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-21 19:29:27,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-21 19:29:27,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 130 states have (on average 1.476923076923077) internal successors, (192), 132 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:27,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-21 19:29:27,854 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-10-21 19:29:27,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:27,855 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-21 19:29:27,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:27,856 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-21 19:29:27,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 19:29:27,857 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:27,857 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:27,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:29:27,858 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 19:29:27,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:27,859 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2021-10-21 19:29:27,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:27,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511745499] [2021-10-21 19:29:27,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:27,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:28,044 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 19:29:28,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:28,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511745499] [2021-10-21 19:29:28,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511745499] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:28,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:28,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:28,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554482164] [2021-10-21 19:29:28,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:28,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:28,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:28,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:28,049 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:28,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:28,072 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-21 19:29:28,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:28,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-21 19:29:28,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:28,087 INFO L225 Difference]: With dead ends: 133 [2021-10-21 19:29:28,088 INFO L226 Difference]: Without dead ends: 55 [2021-10-21 19:29:28,090 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:28,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-21 19:29:28,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-21 19:29:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-21 19:29:28,104 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-10-21 19:29:28,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:28,105 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-21 19:29:28,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-21 19:29:28,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:29:28,106 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:28,107 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:28,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:29:28,114 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 19:29:28,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:28,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2021-10-21 19:29:28,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:28,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90262213] [2021-10-21 19:29:28,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:28,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:28,244 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 19:29:28,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:28,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90262213] [2021-10-21 19:29:28,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90262213] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:28,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:28,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:29:28,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22987016] [2021-10-21 19:29:28,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:28,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:28,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:28,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:28,248 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:28,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:28,270 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2021-10-21 19:29:28,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:28,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-21 19:29:28,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:28,273 INFO L225 Difference]: With dead ends: 153 [2021-10-21 19:29:28,273 INFO L226 Difference]: Without dead ends: 104 [2021-10-21 19:29:28,274 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:28,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-21 19:29:28,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2021-10-21 19:29:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.4848484848484849) internal successors, (147), 99 states have internal predecessors, (147), 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 19:29:28,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2021-10-21 19:29:28,306 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 22 [2021-10-21 19:29:28,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:28,307 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2021-10-21 19:29:28,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:28,307 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2021-10-21 19:29:28,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 19:29:28,310 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:28,310 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 19:29:28,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:29:28,311 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 19:29:28,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:28,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2021-10-21 19:29:28,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:28,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592605356] [2021-10-21 19:29:28,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:28,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:28,420 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 19:29:28,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:28,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592605356] [2021-10-21 19:29:28,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592605356] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:28,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:28,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:29:28,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378325851] [2021-10-21 19:29:28,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:28,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:28,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:28,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:28,425 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:28,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:28,502 INFO L93 Difference]: Finished difference Result 235 states and 350 transitions. [2021-10-21 19:29:28,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:28,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-21 19:29:28,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:28,506 INFO L225 Difference]: With dead ends: 235 [2021-10-21 19:29:28,508 INFO L226 Difference]: Without dead ends: 141 [2021-10-21 19:29:28,509 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:28,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-10-21 19:29:28,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2021-10-21 19:29:28,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 1.4565217391304348) internal successors, (201), 138 states have internal predecessors, (201), 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 19:29:28,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2021-10-21 19:29:28,532 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 24 [2021-10-21 19:29:28,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:28,532 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2021-10-21 19:29:28,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:28,533 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2021-10-21 19:29:28,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-21 19:29:28,534 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:28,534 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:28,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:29:28,535 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 19:29:28,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:28,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2021-10-21 19:29:28,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:28,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532533804] [2021-10-21 19:29:28,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:28,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:28,668 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 19:29:28,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:28,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532533804] [2021-10-21 19:29:28,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532533804] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:28,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:28,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:29:28,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477527334] [2021-10-21 19:29:28,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:29:28,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:28,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:29:28,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:29:28,675 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:28,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:28,862 INFO L93 Difference]: Finished difference Result 747 states and 1098 transitions. [2021-10-21 19:29:28,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:29:28,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-21 19:29:28,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:28,868 INFO L225 Difference]: With dead ends: 747 [2021-10-21 19:29:28,868 INFO L226 Difference]: Without dead ends: 614 [2021-10-21 19:29:28,870 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 52.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:29:28,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2021-10-21 19:29:28,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 262. [2021-10-21 19:29:28,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 261 states have (on average 1.4367816091954022) internal successors, (375), 261 states have internal predecessors, (375), 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 19:29:28,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 375 transitions. [2021-10-21 19:29:28,909 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 375 transitions. Word has length 25 [2021-10-21 19:29:28,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:28,909 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 375 transitions. [2021-10-21 19:29:28,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 375 transitions. [2021-10-21 19:29:28,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 19:29:28,912 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:28,912 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 19:29:28,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:29:28,913 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 19:29:28,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:28,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1188091424, now seen corresponding path program 1 times [2021-10-21 19:29:28,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:28,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910448222] [2021-10-21 19:29:28,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:28,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:28,984 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 19:29:28,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:28,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910448222] [2021-10-21 19:29:28,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910448222] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:28,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:28,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:29:28,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101391309] [2021-10-21 19:29:28,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:29:28,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:28,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:29:28,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:29:28,989 INFO L87 Difference]: Start difference. First operand 262 states and 375 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:29,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:29,139 INFO L93 Difference]: Finished difference Result 768 states and 1102 transitions. [2021-10-21 19:29:29,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:29:29,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-21 19:29:29,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:29,145 INFO L225 Difference]: With dead ends: 768 [2021-10-21 19:29:29,145 INFO L226 Difference]: Without dead ends: 766 [2021-10-21 19:29:29,146 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 36.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:29:29,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2021-10-21 19:29:29,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 262. [2021-10-21 19:29:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 261 states have (on average 1.4291187739463602) internal successors, (373), 261 states have internal predecessors, (373), 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 19:29:29,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 373 transitions. [2021-10-21 19:29:29,175 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 373 transitions. Word has length 26 [2021-10-21 19:29:29,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:29,176 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 373 transitions. [2021-10-21 19:29:29,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:29,176 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2021-10-21 19:29:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 19:29:29,179 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:29,179 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 19:29:29,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:29:29,179 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 19:29:29,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:29,180 INFO L82 PathProgramCache]: Analyzing trace with hash 770731220, now seen corresponding path program 1 times [2021-10-21 19:29:29,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:29,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313835611] [2021-10-21 19:29:29,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:29,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:29,240 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 19:29:29,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:29,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313835611] [2021-10-21 19:29:29,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313835611] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:29,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:29,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:29:29,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428657955] [2021-10-21 19:29:29,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:29:29,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:29,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:29:29,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:29:29,244 INFO L87 Difference]: Start difference. First operand 262 states and 373 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:29,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:29,329 INFO L93 Difference]: Finished difference Result 698 states and 980 transitions. [2021-10-21 19:29:29,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:29:29,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-21 19:29:29,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:29,333 INFO L225 Difference]: With dead ends: 698 [2021-10-21 19:29:29,333 INFO L226 Difference]: Without dead ends: 442 [2021-10-21 19:29:29,334 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:29:29,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2021-10-21 19:29:29,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 286. [2021-10-21 19:29:29,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 285 states have (on average 1.3929824561403508) internal successors, (397), 285 states have internal predecessors, (397), 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 19:29:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 397 transitions. [2021-10-21 19:29:29,367 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 397 transitions. Word has length 34 [2021-10-21 19:29:29,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:29,368 INFO L470 AbstractCegarLoop]: Abstraction has 286 states and 397 transitions. [2021-10-21 19:29:29,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:29,369 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 397 transitions. [2021-10-21 19:29:29,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 19:29:29,370 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:29,370 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 19:29:29,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:29:29,371 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 19:29:29,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:29,372 INFO L82 PathProgramCache]: Analyzing trace with hash 183925206, now seen corresponding path program 1 times [2021-10-21 19:29:29,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:29,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311042737] [2021-10-21 19:29:29,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:29,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:29,427 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 19:29:29,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:29,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311042737] [2021-10-21 19:29:29,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311042737] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:29,428 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:29,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:29:29,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346285012] [2021-10-21 19:29:29,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:29:29,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:29,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:29:29,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:29:29,430 INFO L87 Difference]: Start difference. First operand 286 states and 397 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:29,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:29,546 INFO L93 Difference]: Finished difference Result 782 states and 1065 transitions. [2021-10-21 19:29:29,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:29:29,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-21 19:29:29,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:29,550 INFO L225 Difference]: With dead ends: 782 [2021-10-21 19:29:29,550 INFO L226 Difference]: Without dead ends: 502 [2021-10-21 19:29:29,551 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 32.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:29:29,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2021-10-21 19:29:29,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 302. [2021-10-21 19:29:29,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 301 states have (on average 1.372093023255814) internal successors, (413), 301 states have internal predecessors, (413), 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 19:29:29,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 413 transitions. [2021-10-21 19:29:29,581 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 413 transitions. Word has length 34 [2021-10-21 19:29:29,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:29,581 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 413 transitions. [2021-10-21 19:29:29,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:29,582 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 413 transitions. [2021-10-21 19:29:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 19:29:29,583 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:29,583 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 19:29:29,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:29:29,584 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 19:29:29,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:29,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1095938472, now seen corresponding path program 1 times [2021-10-21 19:29:29,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:29,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792335986] [2021-10-21 19:29:29,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:29,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:29,624 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 19:29:29,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:29,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792335986] [2021-10-21 19:29:29,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792335986] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:29,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:29,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:29:29,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25011142] [2021-10-21 19:29:29,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:29,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:29,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:29,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:29,627 INFO L87 Difference]: Start difference. First operand 302 states and 413 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:29,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:29,687 INFO L93 Difference]: Finished difference Result 814 states and 1123 transitions. [2021-10-21 19:29:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:29,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-21 19:29:29,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:29,692 INFO L225 Difference]: With dead ends: 814 [2021-10-21 19:29:29,692 INFO L226 Difference]: Without dead ends: 518 [2021-10-21 19:29:29,693 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:29,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2021-10-21 19:29:29,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 516. [2021-10-21 19:29:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 515 states have (on average 1.3572815533980582) internal successors, (699), 515 states have internal predecessors, (699), 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 19:29:29,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 699 transitions. [2021-10-21 19:29:29,749 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 699 transitions. Word has length 34 [2021-10-21 19:29:29,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:29,749 INFO L470 AbstractCegarLoop]: Abstraction has 516 states and 699 transitions. [2021-10-21 19:29:29,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:29,750 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 699 transitions. [2021-10-21 19:29:29,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-21 19:29:29,751 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:29,752 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, 1] [2021-10-21 19:29:29,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:29:29,752 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 19:29:29,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:29,753 INFO L82 PathProgramCache]: Analyzing trace with hash 420497238, now seen corresponding path program 1 times [2021-10-21 19:29:29,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:29,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501212591] [2021-10-21 19:29:29,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:29,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:29,812 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 19:29:29,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:29,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501212591] [2021-10-21 19:29:29,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501212591] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:29,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:29,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:29:29,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182314626] [2021-10-21 19:29:29,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:29:29,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:29,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:29:29,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:29,815 INFO L87 Difference]: Start difference. First operand 516 states and 699 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:30,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:30,104 INFO L93 Difference]: Finished difference Result 1686 states and 2260 transitions. [2021-10-21 19:29:30,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 19:29:30,105 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-21 19:29:30,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:30,112 INFO L225 Difference]: With dead ends: 1686 [2021-10-21 19:29:30,112 INFO L226 Difference]: Without dead ends: 1176 [2021-10-21 19:29:30,114 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 56.2ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-21 19:29:30,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2021-10-21 19:29:30,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 516. [2021-10-21 19:29:30,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 515 states have (on average 1.3339805825242719) internal successors, (687), 515 states have internal predecessors, (687), 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 19:29:30,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 687 transitions. [2021-10-21 19:29:30,173 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 687 transitions. Word has length 35 [2021-10-21 19:29:30,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:30,173 INFO L470 AbstractCegarLoop]: Abstraction has 516 states and 687 transitions. [2021-10-21 19:29:30,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:30,174 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 687 transitions. [2021-10-21 19:29:30,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-21 19:29:30,175 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:30,175 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:30,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:29:30,176 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 19:29:30,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:30,176 INFO L82 PathProgramCache]: Analyzing trace with hash 325446782, now seen corresponding path program 1 times [2021-10-21 19:29:30,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:30,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419263576] [2021-10-21 19:29:30,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:30,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 19:29:30,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:30,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419263576] [2021-10-21 19:29:30,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419263576] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:30,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:30,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:30,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98772820] [2021-10-21 19:29:30,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:30,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:30,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:30,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:30,220 INFO L87 Difference]: Start difference. First operand 516 states and 687 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:30,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:30,320 INFO L93 Difference]: Finished difference Result 606 states and 804 transitions. [2021-10-21 19:29:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:30,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-21 19:29:30,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:30,322 INFO L225 Difference]: With dead ends: 606 [2021-10-21 19:29:30,322 INFO L226 Difference]: Without dead ends: 256 [2021-10-21 19:29:30,323 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:30,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-10-21 19:29:30,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2021-10-21 19:29:30,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.2823529411764707) internal successors, (327), 255 states have internal predecessors, (327), 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 19:29:30,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 327 transitions. [2021-10-21 19:29:30,349 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 327 transitions. Word has length 52 [2021-10-21 19:29:30,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:30,349 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 327 transitions. [2021-10-21 19:29:30,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 327 transitions. [2021-10-21 19:29:30,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-21 19:29:30,351 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:30,351 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:30,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:29:30,352 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 19:29:30,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:30,352 INFO L82 PathProgramCache]: Analyzing trace with hash 507471461, now seen corresponding path program 1 times [2021-10-21 19:29:30,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:30,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11170403] [2021-10-21 19:29:30,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:30,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:30,516 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:30,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:30,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11170403] [2021-10-21 19:29:30,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11170403] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:30,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:30,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:29:30,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272706513] [2021-10-21 19:29:30,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:29:30,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:30,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:29:30,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:30,521 INFO L87 Difference]: Start difference. First operand 256 states and 327 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 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 19:29:30,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:30,833 INFO L93 Difference]: Finished difference Result 1330 states and 1690 transitions. [2021-10-21 19:29:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:29:30,834 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 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 56 [2021-10-21 19:29:30,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:30,842 INFO L225 Difference]: With dead ends: 1330 [2021-10-21 19:29:30,843 INFO L226 Difference]: Without dead ends: 1080 [2021-10-21 19:29:30,844 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 80.7ms TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-10-21 19:29:30,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2021-10-21 19:29:30,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 472. [2021-10-21 19:29:30,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 471 states have (on average 1.2632696390658174) internal successors, (595), 471 states have internal predecessors, (595), 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 19:29:30,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 595 transitions. [2021-10-21 19:29:30,922 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 595 transitions. Word has length 56 [2021-10-21 19:29:30,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:30,922 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 595 transitions. [2021-10-21 19:29:30,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 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 19:29:30,923 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 595 transitions. [2021-10-21 19:29:30,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-21 19:29:30,925 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:30,925 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:30,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:29:30,925 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 19:29:30,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:30,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1208536039, now seen corresponding path program 1 times [2021-10-21 19:29:30,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:30,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634690594] [2021-10-21 19:29:30,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:30,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:31,022 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-21 19:29:31,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:31,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634690594] [2021-10-21 19:29:31,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634690594] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:31,023 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:31,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:29:31,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462768811] [2021-10-21 19:29:31,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:29:31,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:31,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:29:31,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:29:31,025 INFO L87 Difference]: Start difference. First operand 472 states and 595 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 19:29:31,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:31,091 INFO L93 Difference]: Finished difference Result 816 states and 1012 transitions. [2021-10-21 19:29:31,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:29:31,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 19:29:31,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:31,093 INFO L225 Difference]: With dead ends: 816 [2021-10-21 19:29:31,093 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:29:31,094 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:29:31,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:29:31,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:29:31,095 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 19:29:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:29:31,095 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-21 19:29:31,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:31,096 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:29:31,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 19:29:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:29:31,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:29:31,098 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:29:31,099 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:29:31,099 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:29:31,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:29:31,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:29:31,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:31,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:32,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:32,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:32,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:32,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:32,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:33,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:33,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:33,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:33,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:33,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:33,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:33,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:33,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:33,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:33,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:33,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:33,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:33,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:33,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:38,894 INFO L853 garLoopResultBuilder]: At program point L101-4(lines 96 104) the Hoare annotation is: false [2021-10-21 19:29:38,894 INFO L853 garLoopResultBuilder]: At program point L101-5(lines 96 104) the Hoare annotation is: false [2021-10-21 19:29:38,894 INFO L853 garLoopResultBuilder]: At program point L101-6(lines 96 104) the Hoare annotation is: false [2021-10-21 19:29:38,895 INFO L853 garLoopResultBuilder]: At program point L101-7(lines 96 104) the Hoare annotation is: false [2021-10-21 19:29:38,895 INFO L853 garLoopResultBuilder]: At program point L101-8(lines 96 104) the Hoare annotation is: false [2021-10-21 19:29:38,895 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-10-21 19:29:38,895 INFO L860 garLoopResultBuilder]: At program point L996(lines 977 999) the Hoare annotation is: true [2021-10-21 19:29:38,895 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 353) no Hoare annotation was computed. [2021-10-21 19:29:38,895 INFO L857 garLoopResultBuilder]: For program point L336-1(lines 336 353) no Hoare annotation was computed. [2021-10-21 19:29:38,895 INFO L857 garLoopResultBuilder]: For program point L336-2(lines 336 353) no Hoare annotation was computed. [2021-10-21 19:29:38,896 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 184) no Hoare annotation was computed. [2021-10-21 19:29:38,896 INFO L853 garLoopResultBuilder]: At program point L171-1(lines 1 999) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse4 (<= 1 ~waterLevel~0)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse7 .cse9) (and .cse0 .cse5 .cse2 .cse6 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse9))) [2021-10-21 19:29:38,896 INFO L857 garLoopResultBuilder]: For program point L171-2(lines 171 184) no Hoare annotation was computed. [2021-10-21 19:29:38,896 INFO L853 garLoopResultBuilder]: At program point L171-3(lines 1 999) the Hoare annotation is: false [2021-10-21 19:29:38,896 INFO L857 garLoopResultBuilder]: For program point L171-4(lines 171 184) no Hoare annotation was computed. [2021-10-21 19:29:38,896 INFO L853 garLoopResultBuilder]: At program point L171-5(lines 1 999) the Hoare annotation is: false [2021-10-21 19:29:38,897 INFO L853 garLoopResultBuilder]: At program point L964(lines 960 966) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-21 19:29:38,897 INFO L853 garLoopResultBuilder]: At program point L900(lines 895 903) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-21 19:29:38,897 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2021-10-21 19:29:38,897 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2021-10-21 19:29:38,897 INFO L857 garLoopResultBuilder]: For program point L141-2(lines 141 147) no Hoare annotation was computed. [2021-10-21 19:29:38,897 INFO L857 garLoopResultBuilder]: For program point L141-3(lines 141 147) no Hoare annotation was computed. [2021-10-21 19:29:38,898 INFO L857 garLoopResultBuilder]: For program point L141-4(lines 141 147) no Hoare annotation was computed. [2021-10-21 19:29:38,898 INFO L857 garLoopResultBuilder]: For program point L141-5(lines 141 147) no Hoare annotation was computed. [2021-10-21 19:29:38,898 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-10-21 19:29:38,898 INFO L857 garLoopResultBuilder]: For program point L373(lines 373 379) no Hoare annotation was computed. [2021-10-21 19:29:38,898 INFO L857 garLoopResultBuilder]: For program point L340(lines 340 348) no Hoare annotation was computed. [2021-10-21 19:29:38,898 INFO L857 garLoopResultBuilder]: For program point L373-2(lines 373 379) no Hoare annotation was computed. [2021-10-21 19:29:38,899 INFO L857 garLoopResultBuilder]: For program point L340-1(lines 340 348) no Hoare annotation was computed. [2021-10-21 19:29:38,899 INFO L857 garLoopResultBuilder]: For program point L340-2(lines 340 348) no Hoare annotation was computed. [2021-10-21 19:29:38,899 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 254) no Hoare annotation was computed. [2021-10-21 19:29:38,899 INFO L857 garLoopResultBuilder]: For program point L373-4(lines 373 379) no Hoare annotation was computed. [2021-10-21 19:29:38,899 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2021-10-21 19:29:38,899 INFO L857 garLoopResultBuilder]: For program point L373-6(lines 373 379) no Hoare annotation was computed. [2021-10-21 19:29:38,899 INFO L857 garLoopResultBuilder]: For program point L175-2(lines 175 181) no Hoare annotation was computed. [2021-10-21 19:29:38,900 INFO L857 garLoopResultBuilder]: For program point L373-8(lines 373 379) no Hoare annotation was computed. [2021-10-21 19:29:38,900 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-10-21 19:29:38,900 INFO L857 garLoopResultBuilder]: For program point L373-10(lines 373 379) no Hoare annotation was computed. [2021-10-21 19:29:38,900 INFO L857 garLoopResultBuilder]: For program point L175-4(lines 175 181) no Hoare annotation was computed. [2021-10-21 19:29:38,900 INFO L853 garLoopResultBuilder]: At program point L407(lines 402 410) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 (= 1 ~systemActive~0) .cse3 (<= 1 ~waterLevel~0) .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0) .cse4))) [2021-10-21 19:29:38,900 INFO L853 garLoopResultBuilder]: At program point L407-1(lines 402 410) the Hoare annotation is: false [2021-10-21 19:29:38,901 INFO L853 garLoopResultBuilder]: At program point L407-2(lines 402 410) the Hoare annotation is: false [2021-10-21 19:29:38,901 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-10-21 19:29:38,901 INFO L857 garLoopResultBuilder]: For program point L475-2(lines 475 479) no Hoare annotation was computed. [2021-10-21 19:29:38,901 INFO L857 garLoopResultBuilder]: For program point L475-3(lines 475 479) no Hoare annotation was computed. [2021-10-21 19:29:38,901 INFO L857 garLoopResultBuilder]: For program point L310(lines 310 327) no Hoare annotation was computed. [2021-10-21 19:29:38,901 INFO L857 garLoopResultBuilder]: For program point L475-5(lines 475 479) no Hoare annotation was computed. [2021-10-21 19:29:38,902 INFO L857 garLoopResultBuilder]: For program point L310-1(lines 310 327) no Hoare annotation was computed. [2021-10-21 19:29:38,902 INFO L857 garLoopResultBuilder]: For program point L475-6(lines 475 479) no Hoare annotation was computed. [2021-10-21 19:29:38,902 INFO L857 garLoopResultBuilder]: For program point L310-2(lines 310 327) no Hoare annotation was computed. [2021-10-21 19:29:38,902 INFO L857 garLoopResultBuilder]: For program point L310-3(lines 310 327) no Hoare annotation was computed. [2021-10-21 19:29:38,902 INFO L857 garLoopResultBuilder]: For program point L475-8(lines 475 479) no Hoare annotation was computed. [2021-10-21 19:29:38,902 INFO L857 garLoopResultBuilder]: For program point L310-4(lines 310 327) no Hoare annotation was computed. [2021-10-21 19:29:38,902 INFO L857 garLoopResultBuilder]: For program point L310-5(lines 310 327) no Hoare annotation was computed. [2021-10-21 19:29:38,903 INFO L853 garLoopResultBuilder]: At program point L278(lines 277 296) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse5 .cse2 .cse6))) [2021-10-21 19:29:38,903 INFO L857 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2021-10-21 19:29:38,903 INFO L857 garLoopResultBuilder]: For program point L212(lines 211 258) no Hoare annotation was computed. [2021-10-21 19:29:38,903 INFO L853 garLoopResultBuilder]: At program point L278-2(lines 277 296) the Hoare annotation is: false [2021-10-21 19:29:38,903 INFO L853 garLoopResultBuilder]: At program point L278-3(lines 277 296) the Hoare annotation is: false [2021-10-21 19:29:38,903 INFO L853 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: false [2021-10-21 19:29:38,904 INFO L853 garLoopResultBuilder]: At program point L146-1(lines 137 150) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse5 (<= 1 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse5) (and .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse7 .cse3))) [2021-10-21 19:29:38,904 INFO L853 garLoopResultBuilder]: At program point L146-2(lines 137 150) the Hoare annotation is: false [2021-10-21 19:29:38,904 INFO L853 garLoopResultBuilder]: At program point L146-3(lines 137 150) the Hoare annotation is: false [2021-10-21 19:29:38,904 INFO L853 garLoopResultBuilder]: At program point L146-4(lines 137 150) the Hoare annotation is: false [2021-10-21 19:29:38,904 INFO L853 garLoopResultBuilder]: At program point L146-5(lines 137 150) the Hoare annotation is: false [2021-10-21 19:29:38,905 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 217) no Hoare annotation was computed. [2021-10-21 19:29:38,905 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2021-10-21 19:29:38,905 INFO L853 garLoopResultBuilder]: At program point L247-1(lines 278 284) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse7 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse6) (and .cse0 .cse1 .cse3 .cse5 .cse4) (and .cse0 .cse2 .cse7 .cse3))) [2021-10-21 19:29:38,905 INFO L857 garLoopResultBuilder]: For program point L314(lines 314 322) no Hoare annotation was computed. [2021-10-21 19:29:38,905 INFO L857 garLoopResultBuilder]: For program point L314-1(lines 314 322) no Hoare annotation was computed. [2021-10-21 19:29:38,905 INFO L857 garLoopResultBuilder]: For program point L314-2(lines 314 322) no Hoare annotation was computed. [2021-10-21 19:29:38,906 INFO L857 garLoopResultBuilder]: For program point L314-3(lines 314 322) no Hoare annotation was computed. [2021-10-21 19:29:38,906 INFO L857 garLoopResultBuilder]: For program point L314-4(lines 314 322) no Hoare annotation was computed. [2021-10-21 19:29:38,906 INFO L857 garLoopResultBuilder]: For program point L314-5(lines 314 322) no Hoare annotation was computed. [2021-10-21 19:29:38,906 INFO L853 garLoopResultBuilder]: At program point L481(lines 466 484) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isLowWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~6 1))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 1)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse7 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse8 (<= ULTIMATE.start_isLowWaterLevel_~tmp~6 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-10-21 19:29:38,906 INFO L853 garLoopResultBuilder]: At program point L481-1(lines 466 484) the Hoare annotation is: false [2021-10-21 19:29:38,906 INFO L853 garLoopResultBuilder]: At program point L481-2(lines 466 484) the Hoare annotation is: false [2021-10-21 19:29:38,906 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:29:38,907 INFO L853 garLoopResultBuilder]: At program point L285(lines 285 291) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse6) (and .cse0 .cse1 .cse3 .cse5 .cse4) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse3))) [2021-10-21 19:29:38,907 INFO L853 garLoopResultBuilder]: At program point L285-1(lines 285 291) the Hoare annotation is: false [2021-10-21 19:29:38,907 INFO L853 garLoopResultBuilder]: At program point L285-2(lines 285 291) the Hoare annotation is: false [2021-10-21 19:29:38,907 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2021-10-21 19:29:38,907 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 227) no Hoare annotation was computed. [2021-10-21 19:29:38,908 INFO L853 garLoopResultBuilder]: At program point L221-1(lines 221 227) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse4 (<= 1 ~waterLevel~0)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse7 .cse9) (and .cse0 .cse5 .cse2 .cse6 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse9))) [2021-10-21 19:29:38,908 INFO L853 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse4 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4))) [2021-10-21 19:29:38,908 INFO L853 garLoopResultBuilder]: At program point L156-1(lines 151 159) the Hoare annotation is: false [2021-10-21 19:29:38,908 INFO L853 garLoopResultBuilder]: At program point L156-2(lines 151 159) the Hoare annotation is: false [2021-10-21 19:29:38,908 INFO L853 garLoopResultBuilder]: At program point L916-2(lines 916 930) the Hoare annotation is: false [2021-10-21 19:29:38,908 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:29:38,909 INFO L857 garLoopResultBuilder]: For program point L917(line 917) no Hoare annotation was computed. [2021-10-21 19:29:38,909 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 495) no Hoare annotation was computed. [2021-10-21 19:29:38,909 INFO L853 garLoopResultBuilder]: At program point L489-1(lines 489 495) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1)))) [2021-10-21 19:29:38,909 INFO L857 garLoopResultBuilder]: For program point L456(lines 456 460) no Hoare annotation was computed. [2021-10-21 19:29:38,909 INFO L857 garLoopResultBuilder]: For program point L456-2(lines 456 460) no Hoare annotation was computed. [2021-10-21 19:29:38,909 INFO L857 garLoopResultBuilder]: For program point L456-3(lines 456 460) no Hoare annotation was computed. [2021-10-21 19:29:38,909 INFO L857 garLoopResultBuilder]: For program point L456-5(lines 456 460) no Hoare annotation was computed. [2021-10-21 19:29:38,910 INFO L857 garLoopResultBuilder]: For program point L456-6(lines 456 460) no Hoare annotation was computed. [2021-10-21 19:29:38,910 INFO L857 garLoopResultBuilder]: For program point L456-8(lines 456 460) no Hoare annotation was computed. [2021-10-21 19:29:38,910 INFO L857 garLoopResultBuilder]: For program point L456-9(lines 456 460) no Hoare annotation was computed. [2021-10-21 19:29:38,910 INFO L857 garLoopResultBuilder]: For program point L456-11(lines 456 460) no Hoare annotation was computed. [2021-10-21 19:29:38,910 INFO L857 garLoopResultBuilder]: For program point L456-12(lines 456 460) no Hoare annotation was computed. [2021-10-21 19:29:38,910 INFO L857 garLoopResultBuilder]: For program point L456-14(lines 456 460) no Hoare annotation was computed. [2021-10-21 19:29:38,911 INFO L857 garLoopResultBuilder]: For program point L456-15(lines 456 460) no Hoare annotation was computed. [2021-10-21 19:29:38,911 INFO L857 garLoopResultBuilder]: For program point L456-17(lines 456 460) no Hoare annotation was computed. [2021-10-21 19:29:38,911 INFO L853 garLoopResultBuilder]: At program point L259(lines 210 260) the Hoare annotation is: false [2021-10-21 19:29:38,911 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-21 19:29:38,911 INFO L857 garLoopResultBuilder]: For program point L193-1(line 193) no Hoare annotation was computed. [2021-10-21 19:29:38,911 INFO L857 garLoopResultBuilder]: For program point L193-2(line 193) no Hoare annotation was computed. [2021-10-21 19:29:38,912 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:29:38,912 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 924) no Hoare annotation was computed. [2021-10-21 19:29:38,912 INFO L857 garLoopResultBuilder]: For program point L920-1(lines 278 284) no Hoare annotation was computed. [2021-10-21 19:29:38,912 INFO L857 garLoopResultBuilder]: For program point L987(lines 987 994) no Hoare annotation was computed. [2021-10-21 19:29:38,912 INFO L860 garLoopResultBuilder]: At program point L987-1(lines 987 994) the Hoare annotation is: true [2021-10-21 19:29:38,912 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2021-10-21 19:29:38,912 INFO L857 garLoopResultBuilder]: For program point L64-3(lines 64 68) no Hoare annotation was computed. [2021-10-21 19:29:38,913 INFO L857 garLoopResultBuilder]: For program point L64-6(lines 64 68) no Hoare annotation was computed. [2021-10-21 19:29:38,913 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:29:38,913 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-10-21 19:29:38,913 INFO L853 garLoopResultBuilder]: At program point L462(lines 447 465) the Hoare annotation is: false [2021-10-21 19:29:38,913 INFO L853 garLoopResultBuilder]: At program point L462-1(lines 447 465) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse9 .cse4 .cse5) (and .cse0 .cse1 .cse8 .cse9 .cse4))) [2021-10-21 19:29:38,913 INFO L853 garLoopResultBuilder]: At program point L462-2(lines 447 465) the Hoare annotation is: false [2021-10-21 19:29:38,914 INFO L853 garLoopResultBuilder]: At program point L462-3(lines 447 465) the Hoare annotation is: false [2021-10-21 19:29:38,914 INFO L853 garLoopResultBuilder]: At program point L462-4(lines 447 465) the Hoare annotation is: false [2021-10-21 19:29:38,914 INFO L853 garLoopResultBuilder]: At program point L462-5(lines 447 465) the Hoare annotation is: false [2021-10-21 19:29:38,914 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2021-10-21 19:29:38,914 INFO L853 garLoopResultBuilder]: At program point L231-1(lines 231 237) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse7 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse6) (and .cse0 .cse1 .cse3 .cse5 .cse4) (and .cse0 .cse2 .cse7 .cse3))) [2021-10-21 19:29:38,915 INFO L853 garLoopResultBuilder]: At program point L892(lines 1 999) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-21 19:29:38,915 INFO L853 garLoopResultBuilder]: At program point L398(lines 391 401) the Hoare annotation is: false [2021-10-21 19:29:38,915 INFO L853 garLoopResultBuilder]: At program point L398-1(lines 391 401) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2021-10-21 19:29:38,915 INFO L853 garLoopResultBuilder]: At program point L398-2(lines 391 401) the Hoare annotation is: false [2021-10-21 19:29:38,915 INFO L853 garLoopResultBuilder]: At program point L398-3(lines 391 401) the Hoare annotation is: false [2021-10-21 19:29:38,915 INFO L853 garLoopResultBuilder]: At program point L398-4(lines 391 401) the Hoare annotation is: false [2021-10-21 19:29:38,916 INFO L853 garLoopResultBuilder]: At program point L398-5(lines 391 401) the Hoare annotation is: false [2021-10-21 19:29:38,916 INFO L853 garLoopResultBuilder]: At program point L101(lines 96 104) the Hoare annotation is: false [2021-10-21 19:29:38,916 INFO L853 garLoopResultBuilder]: At program point L101-1(lines 96 104) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-10-21 19:29:38,916 INFO L853 garLoopResultBuilder]: At program point L101-2(lines 96 104) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse5 (<= 1 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse7) (and .cse0 .cse1 .cse4 .cse6 .cse5 .cse8) (and .cse0 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4))) [2021-10-21 19:29:38,916 INFO L853 garLoopResultBuilder]: At program point L101-3(lines 96 104) the Hoare annotation is: false [2021-10-21 19:29:38,921 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:29:38,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:29:38 BoogieIcfgContainer [2021-10-21 19:29:38,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:29:38,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:29:38,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:29:38,955 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:29:38,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:29:27" (3/4) ... [2021-10-21 19:29:38,958 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:29:38,984 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 19:29:38,985 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 19:29:38,986 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 19:29:38,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:29:38,993 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:29:38,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:29:38,996 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:29:39,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) [2021-10-21 19:29:39,024 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) [2021-10-21 19:29:39,030 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1)) || ((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-21 19:29:39,031 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) [2021-10-21 19:29:39,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-21 19:29:39,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1) [2021-10-21 19:29:39,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && splverifierCounter == 0) && 0 < tmp + 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp___0 == 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && tmp <= 0) || (((((((((\result == 1 && splverifierCounter == 0) && methaneLevelCritical == 0) && 0 < tmp + 1) && 1 == systemActive) && tmp___0 == 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && tmp <= 0) [2021-10-21 19:29:39,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && !(tmp == 0)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && !(tmp == 0))) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-21 19:29:39,043 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-21 19:29:39,043 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-21 19:29:39,124 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:29:39,124 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:29:39,126 INFO L168 Benchmark]: Toolchain (without parser) took 13670.72 ms. Allocated memory was 125.8 MB in the beginning and 234.9 MB in the end (delta: 109.1 MB). Free memory was 91.3 MB in the beginning and 171.3 MB in the end (delta: -80.0 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:39,126 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 96.5 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:29:39,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.12 ms. Allocated memory is still 125.8 MB. Free memory was 91.1 MB in the beginning and 92.2 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:39,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.63 ms. Allocated memory is still 125.8 MB. Free memory was 92.2 MB in the beginning and 88.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:39,128 INFO L168 Benchmark]: Boogie Preprocessor took 55.70 ms. Allocated memory is still 125.8 MB. Free memory was 88.0 MB in the beginning and 85.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:39,128 INFO L168 Benchmark]: RCFGBuilder took 1099.17 ms. Allocated memory is still 125.8 MB. Free memory was 85.4 MB in the beginning and 79.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:39,129 INFO L168 Benchmark]: TraceAbstraction took 11688.44 ms. Allocated memory was 125.8 MB in the beginning and 234.9 MB in the end (delta: 109.1 MB). Free memory was 79.8 MB in the beginning and 183.9 MB in the end (delta: -104.1 MB). Peak memory consumption was 123.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:39,129 INFO L168 Benchmark]: Witness Printer took 170.19 ms. Allocated memory is still 234.9 MB. Free memory was 183.9 MB in the beginning and 171.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:39,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 96.5 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 551.12 ms. Allocated memory is still 125.8 MB. Free memory was 91.1 MB in the beginning and 92.2 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.63 ms. Allocated memory is still 125.8 MB. Free memory was 92.2 MB in the beginning and 88.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.70 ms. Allocated memory is still 125.8 MB. Free memory was 88.0 MB in the beginning and 85.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1099.17 ms. Allocated memory is still 125.8 MB. Free memory was 85.4 MB in the beginning and 79.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11688.44 ms. Allocated memory was 125.8 MB in the beginning and 234.9 MB in the end (delta: 109.1 MB). Free memory was 79.8 MB in the beginning and 183.9 MB in the end (delta: -104.1 MB). Peak memory consumption was 123.7 MB. Max. memory is 16.1 GB. * Witness Printer took 170.19 ms. Allocated memory is still 234.9 MB. Free memory was 183.9 MB in the beginning and 171.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 11584.4ms, OverallIterations: 13, TraceHistogramMax: 2, EmptinessCheckTime: 30.6ms, AutomataDifference: 1664.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7793.9ms, InitialAbstractionConstructionTime: 14.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1545 SDtfs, 2185 SDslu, 2768 SDs, 0 SdLazy, 330 SolverSat, 82 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 461.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 320.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=516occurred in iteration=9, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 448.3ms AutomataMinimizationTime, 13 MinimizatonAttempts, 2488 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 231 NumberOfFragments, 1056 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1156004 FormulaSimplificationTreeSizeReduction, 2633.0ms HoareSimplificationTime, 56 FomulaSimplificationsInter, 189323 FormulaSimplificationTreeSizeReductionInter, 5142.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 68.6ms SsaConstructionTime, 451.4ms SatisfiabilityAnalysisTime, 813.7ms InterpolantComputationTime, 431 NumberOfCodeBlocks, 431 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 418 ConstructedInterpolants, 0 QuantifiedInterpolants, 760 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 41/41 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: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1)) || ((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && splverifierCounter == 0) && 0 < tmp + 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp___0 == 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && tmp <= 0) || (((((((((\result == 1 && splverifierCounter == 0) && methaneLevelCritical == 0) && 0 < tmp + 1) && 1 == systemActive) && tmp___0 == 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && tmp <= 0) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) || ((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive)) || (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive)) || (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && !(tmp == 0)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && !(tmp == 0))) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:29:39,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2872b65b-f283-4456-8f71-78bccbf04547/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...