./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC --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 0864dde8f48fe05a4eca6577f28c648eed4bb154 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:19:35,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:19:35,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:19:35,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:19:35,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:19:35,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:19:35,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:19:35,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:19:35,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:19:35,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:19:35,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:19:35,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:19:35,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:19:35,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:19:35,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:19:35,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:19:35,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:19:35,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:19:35,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:19:35,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:19:35,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:19:35,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:19:35,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:19:35,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:19:35,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:19:35,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:19:35,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:19:35,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:19:35,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:19:35,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:19:35,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:19:35,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:19:35,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:19:35,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:19:35,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:19:35,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:19:35,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:19:35,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:19:35,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:19:35,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:19:35,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:19:35,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:19:35,133 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:19:35,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:19:35,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:19:35,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:19:35,136 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:19:35,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:19:35,137 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:19:35,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:19:35,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:19:35,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:19:35,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:19:35,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:19:35,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:19:35,145 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:19:35,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:19:35,146 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:19:35,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:19:35,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:19:35,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:19:35,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:19:35,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:19:35,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:19:35,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:19:35,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:19:35,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:19:35,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:19:35,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:19:35,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:19:35,149 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_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0864dde8f48fe05a4eca6577f28c648eed4bb154 [2021-10-11 00:19:35,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:19:35,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:19:35,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:19:35,466 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:19:35,466 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:19:35,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2021-10-11 00:19:35,540 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC/data/38776f2c6/74c9fa5089e84729b6f64e3c86d21bea/FLAG340862c94 [2021-10-11 00:19:36,174 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:19:36,180 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2021-10-11 00:19:36,199 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC/data/38776f2c6/74c9fa5089e84729b6f64e3c86d21bea/FLAG340862c94 [2021-10-11 00:19:36,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC/data/38776f2c6/74c9fa5089e84729b6f64e3c86d21bea [2021-10-11 00:19:36,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:19:36,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:19:36,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:19:36,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:19:36,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:19:36,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:19:36" (1/1) ... [2021-10-11 00:19:36,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b538153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:36, skipping insertion in model container [2021-10-11 00:19:36,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:19:36" (1/1) ... [2021-10-11 00:19:36,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:19:36,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:19:36,758 WARN L226 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_a4829d60-a79d-4c68-b196-2cb928ae895f/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1281,1294] [2021-10-11 00:19:36,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:19:36,926 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:19:36,940 WARN L226 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_a4829d60-a79d-4c68-b196-2cb928ae895f/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1281,1294] [2021-10-11 00:19:37,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:19:37,061 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:19:37,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:37 WrapperNode [2021-10-11 00:19:37,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:19:37,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:19:37,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:19:37,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:19:37,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:37" (1/1) ... [2021-10-11 00:19:37,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:37" (1/1) ... [2021-10-11 00:19:37,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:19:37,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:19:37,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:19:37,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:19:37,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:37" (1/1) ... [2021-10-11 00:19:37,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:37" (1/1) ... [2021-10-11 00:19:37,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:37" (1/1) ... [2021-10-11 00:19:37,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:37" (1/1) ... [2021-10-11 00:19:37,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:37" (1/1) ... [2021-10-11 00:19:37,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:37" (1/1) ... [2021-10-11 00:19:37,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:37" (1/1) ... [2021-10-11 00:19:37,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:19:37,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:19:37,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:19:37,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:19:37,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:37" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:19:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:19:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:19:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:19:37,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:19:38,420 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:19:38,420 INFO L299 CfgBuilder]: Removed 172 assume(true) statements. [2021-10-11 00:19:38,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:38 BoogieIcfgContainer [2021-10-11 00:19:38,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:19:38,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:19:38,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:19:38,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:19:38,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:19:36" (1/3) ... [2021-10-11 00:19:38,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c35d61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:19:38, skipping insertion in model container [2021-10-11 00:19:38,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:37" (2/3) ... [2021-10-11 00:19:38,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c35d61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:19:38, skipping insertion in model container [2021-10-11 00:19:38,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:38" (3/3) ... [2021-10-11 00:19:38,437 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2021-10-11 00:19:38,451 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:19:38,454 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:19:38,464 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:19:38,488 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:19:38,488 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:19:38,488 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:19:38,488 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:19:38,489 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:19:38,489 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:19:38,489 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:19:38,489 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:19:38,505 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2021-10-11 00:19:38,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:19:38,510 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:38,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:38,511 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:38,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:38,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1109177434, now seen corresponding path program 1 times [2021-10-11 00:19:38,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:38,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237681840] [2021-10-11 00:19:38,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:38,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:38,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237681840] [2021-10-11 00:19:38,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:38,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:19:38,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223508381] [2021-10-11 00:19:38,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:19:38,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:38,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:19:38,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:19:38,766 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2021-10-11 00:19:38,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:38,797 INFO L93 Difference]: Finished difference Result 233 states and 352 transitions. [2021-10-11 00:19:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:19:38,798 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 00:19:38,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:38,808 INFO L225 Difference]: With dead ends: 233 [2021-10-11 00:19:38,808 INFO L226 Difference]: Without dead ends: 116 [2021-10-11 00:19:38,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:19:38,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-10-11 00:19:38,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-10-11 00:19:38,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2021-10-11 00:19:38,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2021-10-11 00:19:38,852 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2021-10-11 00:19:38,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:38,853 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2021-10-11 00:19:38,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:19:38,853 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2021-10-11 00:19:38,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 00:19:38,855 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:38,855 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:38,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:19:38,856 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:38,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:38,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1379770309, now seen corresponding path program 1 times [2021-10-11 00:19:38,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:38,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222285060] [2021-10-11 00:19:38,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:39,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:39,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222285060] [2021-10-11 00:19:39,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:39,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:19:39,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904939278] [2021-10-11 00:19:39,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:19:39,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:39,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:19:39,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:39,029 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand 3 states. [2021-10-11 00:19:39,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:39,047 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2021-10-11 00:19:39,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:19:39,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 00:19:39,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:39,055 INFO L225 Difference]: With dead ends: 116 [2021-10-11 00:19:39,055 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 00:19:39,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:39,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 00:19:39,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 00:19:39,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 00:19:39,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-11 00:19:39,062 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2021-10-11 00:19:39,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:39,063 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-11 00:19:39,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:19:39,063 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-11 00:19:39,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:19:39,064 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:39,064 INFO L422 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] [2021-10-11 00:19:39,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:19:39,065 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:39,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:39,065 INFO L82 PathProgramCache]: Analyzing trace with hash 872222713, now seen corresponding path program 1 times [2021-10-11 00:19:39,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:39,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917496963] [2021-10-11 00:19:39,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:39,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:39,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917496963] [2021-10-11 00:19:39,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:39,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:19:39,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910076133] [2021-10-11 00:19:39,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:19:39,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:39,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:19:39,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:39,214 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2021-10-11 00:19:39,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:39,248 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2021-10-11 00:19:39,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:19:39,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:19:39,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:39,249 INFO L225 Difference]: With dead ends: 91 [2021-10-11 00:19:39,249 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 00:19:39,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:39,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 00:19:39,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 00:19:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 00:19:39,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2021-10-11 00:19:39,257 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2021-10-11 00:19:39,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:39,257 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2021-10-11 00:19:39,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:19:39,257 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2021-10-11 00:19:39,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 00:19:39,261 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:39,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:39,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:19:39,261 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:39,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:39,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1991893424, now seen corresponding path program 1 times [2021-10-11 00:19:39,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:39,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516796369] [2021-10-11 00:19:39,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:39,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516796369] [2021-10-11 00:19:39,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:39,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:19:39,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018166108] [2021-10-11 00:19:39,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:19:39,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:39,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:19:39,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:39,398 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand 3 states. [2021-10-11 00:19:39,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:39,447 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2021-10-11 00:19:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:19:39,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2021-10-11 00:19:39,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:39,449 INFO L225 Difference]: With dead ends: 115 [2021-10-11 00:19:39,449 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 00:19:39,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:39,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 00:19:39,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2021-10-11 00:19:39,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 00:19:39,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-11 00:19:39,458 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2021-10-11 00:19:39,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:39,459 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-11 00:19:39,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:19:39,459 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-11 00:19:39,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:19:39,460 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:39,460 INFO L422 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] [2021-10-11 00:19:39,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:19:39,461 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:39,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:39,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1071015423, now seen corresponding path program 1 times [2021-10-11 00:19:39,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:39,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66242754] [2021-10-11 00:19:39,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:39,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:39,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66242754] [2021-10-11 00:19:39,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:39,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:19:39,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769824291] [2021-10-11 00:19:39,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:19:39,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:39,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:19:39,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:19:39,528 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 5 states. [2021-10-11 00:19:39,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:39,617 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2021-10-11 00:19:39,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:19:39,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 00:19:39,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:39,625 INFO L225 Difference]: With dead ends: 190 [2021-10-11 00:19:39,625 INFO L226 Difference]: Without dead ends: 126 [2021-10-11 00:19:39,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:19:39,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-11 00:19:39,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2021-10-11 00:19:39,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-10-11 00:19:39,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2021-10-11 00:19:39,651 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2021-10-11 00:19:39,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:39,651 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2021-10-11 00:19:39,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:19:39,651 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2021-10-11 00:19:39,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:19:39,653 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:39,653 INFO L422 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] [2021-10-11 00:19:39,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:19:39,653 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:39,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:39,659 INFO L82 PathProgramCache]: Analyzing trace with hash 2004479132, now seen corresponding path program 1 times [2021-10-11 00:19:39,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:39,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570865757] [2021-10-11 00:19:39,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:39,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:39,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570865757] [2021-10-11 00:19:39,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:39,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:19:39,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583736828] [2021-10-11 00:19:39,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:19:39,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:39,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:19:39,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:19:39,774 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand 5 states. [2021-10-11 00:19:39,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:39,910 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2021-10-11 00:19:39,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:19:39,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 00:19:39,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:39,913 INFO L225 Difference]: With dead ends: 260 [2021-10-11 00:19:39,913 INFO L226 Difference]: Without dead ends: 190 [2021-10-11 00:19:39,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:19:39,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-10-11 00:19:39,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2021-10-11 00:19:39,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-10-11 00:19:39,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2021-10-11 00:19:39,926 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2021-10-11 00:19:39,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:39,926 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2021-10-11 00:19:39,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:19:39,927 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2021-10-11 00:19:39,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:19:39,928 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:39,928 INFO L422 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] [2021-10-11 00:19:39,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:19:39,928 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:39,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:39,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1772080001, now seen corresponding path program 1 times [2021-10-11 00:19:39,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:39,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754693498] [2021-10-11 00:19:39,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:39,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754693498] [2021-10-11 00:19:39,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:39,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:19:39,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713551344] [2021-10-11 00:19:39,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:19:39,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:39,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:19:39,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:19:39,989 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand 5 states. [2021-10-11 00:19:40,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:40,057 INFO L93 Difference]: Finished difference Result 199 states and 267 transitions. [2021-10-11 00:19:40,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:19:40,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 00:19:40,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:40,059 INFO L225 Difference]: With dead ends: 199 [2021-10-11 00:19:40,059 INFO L226 Difference]: Without dead ends: 130 [2021-10-11 00:19:40,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:19:40,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-10-11 00:19:40,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 80. [2021-10-11 00:19:40,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2021-10-11 00:19:40,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2021-10-11 00:19:40,070 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2021-10-11 00:19:40,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:40,071 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2021-10-11 00:19:40,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:19:40,071 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2021-10-11 00:19:40,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:19:40,072 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:40,072 INFO L422 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] [2021-10-11 00:19:40,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:19:40,073 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:40,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:40,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1185273987, now seen corresponding path program 1 times [2021-10-11 00:19:40,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:40,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829287404] [2021-10-11 00:19:40,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:40,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829287404] [2021-10-11 00:19:40,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:40,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:19:40,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810662321] [2021-10-11 00:19:40,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:19:40,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:40,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:19:40,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:40,126 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand 3 states. [2021-10-11 00:19:40,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:40,151 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2021-10-11 00:19:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:19:40,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 00:19:40,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:40,152 INFO L225 Difference]: With dead ends: 181 [2021-10-11 00:19:40,153 INFO L226 Difference]: Without dead ends: 108 [2021-10-11 00:19:40,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:40,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-10-11 00:19:40,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2021-10-11 00:19:40,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2021-10-11 00:19:40,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2021-10-11 00:19:40,166 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 34 [2021-10-11 00:19:40,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:40,166 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2021-10-11 00:19:40,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:19:40,167 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2021-10-11 00:19:40,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 00:19:40,168 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:40,168 INFO L422 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] [2021-10-11 00:19:40,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:19:40,169 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:40,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:40,169 INFO L82 PathProgramCache]: Analyzing trace with hash -210672189, now seen corresponding path program 1 times [2021-10-11 00:19:40,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:40,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513893793] [2021-10-11 00:19:40,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:40,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513893793] [2021-10-11 00:19:40,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:40,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:19:40,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119496634] [2021-10-11 00:19:40,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:19:40,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:40,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:19:40,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:19:40,269 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand 7 states. [2021-10-11 00:19:40,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:40,554 INFO L93 Difference]: Finished difference Result 512 states and 685 transitions. [2021-10-11 00:19:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:19:40,555 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2021-10-11 00:19:40,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:40,558 INFO L225 Difference]: With dead ends: 512 [2021-10-11 00:19:40,558 INFO L226 Difference]: Without dead ends: 439 [2021-10-11 00:19:40,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:19:40,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-10-11 00:19:40,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 186. [2021-10-11 00:19:40,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2021-10-11 00:19:40,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 241 transitions. [2021-10-11 00:19:40,593 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 241 transitions. Word has length 35 [2021-10-11 00:19:40,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:40,594 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 241 transitions. [2021-10-11 00:19:40,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:19:40,594 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 241 transitions. [2021-10-11 00:19:40,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 00:19:40,599 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:40,600 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:40,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:19:40,600 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:40,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:40,601 INFO L82 PathProgramCache]: Analyzing trace with hash 681323361, now seen corresponding path program 1 times [2021-10-11 00:19:40,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:40,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270160083] [2021-10-11 00:19:40,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:40,693 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:40,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270160083] [2021-10-11 00:19:40,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688369699] [2021-10-11 00:19:40,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:19:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:40,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:19:40,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:19:41,007 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:41,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:19:41,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-11 00:19:41,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445217364] [2021-10-11 00:19:41,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:19:41,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:41,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:19:41,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:19:41,018 INFO L87 Difference]: Start difference. First operand 186 states and 241 transitions. Second operand 8 states. [2021-10-11 00:19:41,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:41,284 INFO L93 Difference]: Finished difference Result 426 states and 570 transitions. [2021-10-11 00:19:41,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:19:41,284 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2021-10-11 00:19:41,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:41,285 INFO L225 Difference]: With dead ends: 426 [2021-10-11 00:19:41,285 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:19:41,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:19:41,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:19:41,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:19:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:19:41,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:19:41,287 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-11 00:19:41,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:41,287 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:19:41,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:19:41,287 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:19:41,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:19:41,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-11 00:19:41,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:19:42,297 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 21 [2021-10-11 00:19:42,467 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2021-10-11 00:19:42,709 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 21 [2021-10-11 00:19:42,819 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 21 [2021-10-11 00:19:43,140 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 21 [2021-10-11 00:19:43,296 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2021-10-11 00:19:43,521 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2021-10-11 00:19:43,616 INFO L258 CegarLoopResult]: At program point L894(lines 889 897) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:19:43,616 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:19:43,616 INFO L258 CegarLoopResult]: At program point L796(lines 791 799) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse4) (and .cse1 .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2021-10-11 00:19:43,616 INFO L258 CegarLoopResult]: At program point L796-1(lines 791 799) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2))) [2021-10-11 00:19:43,616 INFO L258 CegarLoopResult]: At program point L796-2(lines 791 799) the Hoare annotation is: false [2021-10-11 00:19:43,616 INFO L258 CegarLoopResult]: At program point L796-3(lines 791 799) the Hoare annotation is: false [2021-10-11 00:19:43,616 INFO L258 CegarLoopResult]: At program point L796-4(lines 791 799) the Hoare annotation is: false [2021-10-11 00:19:43,616 INFO L258 CegarLoopResult]: At program point L796-5(lines 791 799) the Hoare annotation is: false [2021-10-11 00:19:43,617 INFO L262 CegarLoopResult]: For program point L929(lines 929 935) no Hoare annotation was computed. [2021-10-11 00:19:43,617 INFO L258 CegarLoopResult]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2))) [2021-10-11 00:19:43,617 INFO L258 CegarLoopResult]: At program point L666(lines 657 670) the Hoare annotation is: false [2021-10-11 00:19:43,617 INFO L258 CegarLoopResult]: At program point L666-1(lines 657 670) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2021-10-11 00:19:43,617 INFO L258 CegarLoopResult]: At program point L666-2(lines 657 670) the Hoare annotation is: false [2021-10-11 00:19:43,617 INFO L258 CegarLoopResult]: At program point L666-3(lines 657 670) the Hoare annotation is: false [2021-10-11 00:19:43,617 INFO L258 CegarLoopResult]: At program point L666-4(lines 657 670) the Hoare annotation is: false [2021-10-11 00:19:43,617 INFO L258 CegarLoopResult]: At program point L666-5(lines 657 670) the Hoare annotation is: false [2021-10-11 00:19:43,617 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:19:43,618 INFO L258 CegarLoopResult]: At program point L175(lines 685 691) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2))) [2021-10-11 00:19:43,618 INFO L258 CegarLoopResult]: At program point L175-1(lines 685 691) the Hoare annotation is: false [2021-10-11 00:19:43,618 INFO L258 CegarLoopResult]: At program point L175-2(lines 685 691) the Hoare annotation is: false [2021-10-11 00:19:43,618 INFO L262 CegarLoopResult]: For program point L143(lines 143 150) no Hoare annotation was computed. [2021-10-11 00:19:43,618 INFO L265 CegarLoopResult]: At program point L143-1(lines 143 150) the Hoare annotation is: true [2021-10-11 00:19:43,618 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 00:19:43,618 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 00:19:43,618 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 00:19:43,618 INFO L262 CegarLoopResult]: For program point L608(lines 608 612) no Hoare annotation was computed. [2021-10-11 00:19:43,618 INFO L262 CegarLoopResult]: For program point L939(lines 939 952) no Hoare annotation was computed. [2021-10-11 00:19:43,619 INFO L258 CegarLoopResult]: At program point L114(lines 110 116) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:19:43,619 INFO L262 CegarLoopResult]: For program point L743(lines 743 760) no Hoare annotation was computed. [2021-10-11 00:19:43,619 INFO L262 CegarLoopResult]: For program point L743-1(lines 743 760) no Hoare annotation was computed. [2021-10-11 00:19:43,619 INFO L262 CegarLoopResult]: For program point L743-2(lines 743 760) no Hoare annotation was computed. [2021-10-11 00:19:43,619 INFO L262 CegarLoopResult]: For program point L910(lines 909 956) no Hoare annotation was computed. [2021-10-11 00:19:43,619 INFO L262 CegarLoopResult]: For program point L911(lines 911 915) no Hoare annotation was computed. [2021-10-11 00:19:43,619 INFO L262 CegarLoopResult]: For program point L845(lines 845 849) no Hoare annotation was computed. [2021-10-11 00:19:43,619 INFO L262 CegarLoopResult]: For program point L845-2(lines 845 849) no Hoare annotation was computed. [2021-10-11 00:19:43,619 INFO L262 CegarLoopResult]: For program point L845-3(lines 845 849) no Hoare annotation was computed. [2021-10-11 00:19:43,619 INFO L262 CegarLoopResult]: For program point L845-5(lines 845 849) no Hoare annotation was computed. [2021-10-11 00:19:43,620 INFO L262 CegarLoopResult]: For program point L845-6(lines 845 849) no Hoare annotation was computed. [2021-10-11 00:19:43,620 INFO L262 CegarLoopResult]: For program point L845-8(lines 845 849) no Hoare annotation was computed. [2021-10-11 00:19:43,620 INFO L262 CegarLoopResult]: For program point L845-9(lines 845 849) no Hoare annotation was computed. [2021-10-11 00:19:43,620 INFO L262 CegarLoopResult]: For program point L845-11(lines 845 849) no Hoare annotation was computed. [2021-10-11 00:19:43,620 INFO L262 CegarLoopResult]: For program point L845-12(lines 845 849) no Hoare annotation was computed. [2021-10-11 00:19:43,620 INFO L262 CegarLoopResult]: For program point L845-14(lines 845 849) no Hoare annotation was computed. [2021-10-11 00:19:43,620 INFO L262 CegarLoopResult]: For program point L845-15(lines 845 849) no Hoare annotation was computed. [2021-10-11 00:19:43,620 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:19:43,620 INFO L262 CegarLoopResult]: For program point L845-17(lines 845 849) no Hoare annotation was computed. [2021-10-11 00:19:43,620 INFO L265 CegarLoopResult]: At program point L152(lines 133 155) the Hoare annotation is: true [2021-10-11 00:19:43,620 INFO L262 CegarLoopResult]: For program point L747(lines 747 755) no Hoare annotation was computed. [2021-10-11 00:19:43,620 INFO L262 CegarLoopResult]: For program point L747-1(lines 747 755) no Hoare annotation was computed. [2021-10-11 00:19:43,621 INFO L262 CegarLoopResult]: For program point L747-2(lines 747 755) no Hoare annotation was computed. [2021-10-11 00:19:43,621 INFO L262 CegarLoopResult]: For program point L186(lines 186 203) no Hoare annotation was computed. [2021-10-11 00:19:43,621 INFO L258 CegarLoopResult]: At program point L186-1(lines 1 964) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1) .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2))) [2021-10-11 00:19:43,621 INFO L262 CegarLoopResult]: For program point L186-2(lines 186 203) no Hoare annotation was computed. [2021-10-11 00:19:43,621 INFO L258 CegarLoopResult]: At program point L186-3(lines 1 964) the Hoare annotation is: false [2021-10-11 00:19:43,621 INFO L262 CegarLoopResult]: For program point L186-4(lines 186 203) no Hoare annotation was computed. [2021-10-11 00:19:43,621 INFO L258 CegarLoopResult]: At program point L186-5(lines 1 964) the Hoare annotation is: false [2021-10-11 00:19:43,621 INFO L262 CegarLoopResult]: For program point L947(lines 947 951) no Hoare annotation was computed. [2021-10-11 00:19:43,621 INFO L258 CegarLoopResult]: At program point L947-2(lines 947 951) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2))) [2021-10-11 00:19:43,622 INFO L262 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2021-10-11 00:19:43,622 INFO L262 CegarLoopResult]: For program point L584-3(lines 584 588) no Hoare annotation was computed. [2021-10-11 00:19:43,622 INFO L262 CegarLoopResult]: For program point L584-6(lines 584 588) no Hoare annotation was computed. [2021-10-11 00:19:43,622 INFO L262 CegarLoopResult]: For program point L717(lines 717 734) no Hoare annotation was computed. [2021-10-11 00:19:43,622 INFO L262 CegarLoopResult]: For program point L717-1(lines 717 734) no Hoare annotation was computed. [2021-10-11 00:19:43,622 INFO L262 CegarLoopResult]: For program point L717-2(lines 717 734) no Hoare annotation was computed. [2021-10-11 00:19:43,622 INFO L262 CegarLoopResult]: For program point L717-3(lines 717 734) no Hoare annotation was computed. [2021-10-11 00:19:43,622 INFO L262 CegarLoopResult]: For program point L717-4(lines 717 734) no Hoare annotation was computed. [2021-10-11 00:19:43,622 INFO L262 CegarLoopResult]: For program point L717-5(lines 717 734) no Hoare annotation was computed. [2021-10-11 00:19:43,622 INFO L258 CegarLoopResult]: At program point L685(lines 681 703) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2))) [2021-10-11 00:19:43,623 INFO L258 CegarLoopResult]: At program point L685-1(lines 681 703) the Hoare annotation is: false [2021-10-11 00:19:43,623 INFO L258 CegarLoopResult]: At program point L685-2(lines 681 703) the Hoare annotation is: false [2021-10-11 00:19:43,623 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:19:43,623 INFO L262 CegarLoopResult]: For program point L190(lines 190 200) no Hoare annotation was computed. [2021-10-11 00:19:43,623 INFO L262 CegarLoopResult]: For program point L190-2(lines 190 200) no Hoare annotation was computed. [2021-10-11 00:19:43,623 INFO L262 CegarLoopResult]: For program point L190-4(lines 190 200) no Hoare annotation was computed. [2021-10-11 00:19:43,623 INFO L258 CegarLoopResult]: At program point L851(lines 836 854) the Hoare annotation is: false [2021-10-11 00:19:43,623 INFO L258 CegarLoopResult]: At program point L851-1(lines 836 854) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3))) [2021-10-11 00:19:43,623 INFO L258 CegarLoopResult]: At program point L851-2(lines 836 854) the Hoare annotation is: false [2021-10-11 00:19:43,624 INFO L258 CegarLoopResult]: At program point L851-3(lines 836 854) the Hoare annotation is: false [2021-10-11 00:19:43,624 INFO L258 CegarLoopResult]: At program point L851-4(lines 836 854) the Hoare annotation is: false [2021-10-11 00:19:43,624 INFO L258 CegarLoopResult]: At program point L851-5(lines 836 854) the Hoare annotation is: false [2021-10-11 00:19:43,624 INFO L258 CegarLoopResult]: At program point L653(lines 648 656) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2021-10-11 00:19:43,624 INFO L258 CegarLoopResult]: At program point L653-1(lines 648 656) the Hoare annotation is: false [2021-10-11 00:19:43,624 INFO L258 CegarLoopResult]: At program point L653-2(lines 648 656) the Hoare annotation is: false [2021-10-11 00:19:43,624 INFO L262 CegarLoopResult]: For program point L191(lines 191 197) no Hoare annotation was computed. [2021-10-11 00:19:43,624 INFO L262 CegarLoopResult]: For program point L191-2(lines 191 197) no Hoare annotation was computed. [2021-10-11 00:19:43,624 INFO L262 CegarLoopResult]: For program point L191-4(lines 191 197) no Hoare annotation was computed. [2021-10-11 00:19:43,625 INFO L258 CegarLoopResult]: At program point L621(lines 616 624) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2)) [2021-10-11 00:19:43,625 INFO L258 CegarLoopResult]: At program point L621-1(lines 616 624) the Hoare annotation is: false [2021-10-11 00:19:43,625 INFO L258 CegarLoopResult]: At program point L621-2(lines 616 624) the Hoare annotation is: false [2021-10-11 00:19:43,625 INFO L262 CegarLoopResult]: For program point L919(lines 919 925) no Hoare annotation was computed. [2021-10-11 00:19:43,625 INFO L258 CegarLoopResult]: At program point L886(lines 1 964) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:19:43,625 INFO L258 CegarLoopResult]: At program point L919-1(lines 919 925) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2))) [2021-10-11 00:19:43,625 INFO L258 CegarLoopResult]: At program point L787(lines 780 790) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2)) [2021-10-11 00:19:43,625 INFO L258 CegarLoopResult]: At program point L787-1(lines 780 790) the Hoare annotation is: false [2021-10-11 00:19:43,626 INFO L262 CegarLoopResult]: For program point L721(lines 721 729) no Hoare annotation was computed. [2021-10-11 00:19:43,626 INFO L258 CegarLoopResult]: At program point L787-2(lines 780 790) the Hoare annotation is: false [2021-10-11 00:19:43,626 INFO L262 CegarLoopResult]: For program point L721-1(lines 721 729) no Hoare annotation was computed. [2021-10-11 00:19:43,626 INFO L262 CegarLoopResult]: For program point L721-2(lines 721 729) no Hoare annotation was computed. [2021-10-11 00:19:43,626 INFO L262 CegarLoopResult]: For program point L721-3(lines 721 729) no Hoare annotation was computed. [2021-10-11 00:19:43,626 INFO L262 CegarLoopResult]: For program point L721-4(lines 721 729) no Hoare annotation was computed. [2021-10-11 00:19:43,626 INFO L262 CegarLoopResult]: For program point L721-5(lines 721 729) no Hoare annotation was computed. [2021-10-11 00:19:43,626 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:19:43,626 INFO L258 CegarLoopResult]: At program point L63-2(lines 63 77) the Hoare annotation is: false [2021-10-11 00:19:43,626 INFO L262 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-11 00:19:43,627 INFO L258 CegarLoopResult]: At program point L692(lines 692 698) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-10-11 00:19:43,627 INFO L258 CegarLoopResult]: At program point L692-1(lines 692 698) the Hoare annotation is: false [2021-10-11 00:19:43,627 INFO L258 CegarLoopResult]: At program point L692-2(lines 692 698) the Hoare annotation is: false [2021-10-11 00:19:43,627 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:19:43,627 INFO L258 CegarLoopResult]: At program point L957(lines 908 958) the Hoare annotation is: false [2021-10-11 00:19:43,627 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:19:43,627 INFO L258 CegarLoopResult]: At program point L165(lines 160 167) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:19:43,627 INFO L262 CegarLoopResult]: For program point L661(lines 661 667) no Hoare annotation was computed. [2021-10-11 00:19:43,627 INFO L262 CegarLoopResult]: For program point L661-1(lines 661 667) no Hoare annotation was computed. [2021-10-11 00:19:43,627 INFO L262 CegarLoopResult]: For program point L661-2(lines 661 667) no Hoare annotation was computed. [2021-10-11 00:19:43,628 INFO L262 CegarLoopResult]: For program point L661-3(lines 661 667) no Hoare annotation was computed. [2021-10-11 00:19:43,628 INFO L262 CegarLoopResult]: For program point L661-4(lines 661 667) no Hoare annotation was computed. [2021-10-11 00:19:43,628 INFO L262 CegarLoopResult]: For program point L661-5(lines 661 667) no Hoare annotation was computed. [2021-10-11 00:19:43,628 INFO L262 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-11 00:19:43,628 INFO L262 CegarLoopResult]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2021-10-11 00:19:43,628 INFO L262 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2021-10-11 00:19:43,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:19:43 BoogieIcfgContainer [2021-10-11 00:19:43,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:19:43,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:19:43,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:19:43,656 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:19:43,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:38" (3/4) ... [2021-10-11 00:19:43,659 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:19:43,690 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:19:43,695 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:19:43,696 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:19:43,697 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:19:43,698 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:19:43,699 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:19:43,700 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:19:43,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && tmp <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && 1 < tmp) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:19:43,728 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:19:43,729 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:19:43,729 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:19:43,731 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2021-10-11 00:19:43,731 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:19:43,732 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:19:43,732 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:19:43,734 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2021-10-11 00:19:43,734 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 [2021-10-11 00:19:43,735 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 [2021-10-11 00:19:43,738 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:19:43,740 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:19:43,742 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((tmp___0 == 0 && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:19:43,840 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4829d60-a79d-4c68-b196-2cb928ae895f/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:19:43,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:19:43,841 INFO L168 Benchmark]: Toolchain (without parser) took 7402.50 ms. Allocated memory was 96.5 MB in the beginning and 188.7 MB in the end (delta: 92.3 MB). Free memory was 67.0 MB in the beginning and 158.2 MB in the end (delta: -91.1 MB). Peak memory consumption was 98.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:43,842 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 77.6 MB. Free memory was 38.3 MB in the beginning and 38.3 MB in the end (delta: 62.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:19:43,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.56 ms. Allocated memory is still 96.5 MB. Free memory was 67.0 MB in the beginning and 60.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:43,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.06 ms. Allocated memory is still 96.5 MB. Free memory was 60.7 MB in the beginning and 57.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:43,843 INFO L168 Benchmark]: Boogie Preprocessor took 47.39 ms. Allocated memory is still 96.5 MB. Free memory was 56.8 MB in the beginning and 54.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:43,843 INFO L168 Benchmark]: RCFGBuilder took 1215.26 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 54.4 MB in the beginning and 96.6 MB in the end (delta: -42.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:43,844 INFO L168 Benchmark]: TraceAbstraction took 5224.43 ms. Allocated memory was 130.0 MB in the beginning and 188.7 MB in the end (delta: 58.7 MB). Free memory was 96.6 MB in the beginning and 65.5 MB in the end (delta: 31.1 MB). Peak memory consumption was 93.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:43,844 INFO L168 Benchmark]: Witness Printer took 184.82 ms. Allocated memory is still 188.7 MB. Free memory was 65.5 MB in the beginning and 158.2 MB in the end (delta: -92.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:43,846 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 77.6 MB. Free memory was 38.3 MB in the beginning and 38.3 MB in the end (delta: 62.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 619.56 ms. Allocated memory is still 96.5 MB. Free memory was 67.0 MB in the beginning and 60.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.06 ms. Allocated memory is still 96.5 MB. Free memory was 60.7 MB in the beginning and 57.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.39 ms. Allocated memory is still 96.5 MB. Free memory was 56.8 MB in the beginning and 54.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1215.26 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 54.4 MB in the beginning and 96.6 MB in the end (delta: -42.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5224.43 ms. Allocated memory was 130.0 MB in the beginning and 188.7 MB in the end (delta: 58.7 MB). Free memory was 96.6 MB in the beginning and 65.5 MB in the end (delta: 31.1 MB). Peak memory consumption was 93.0 MB. Max. memory is 16.1 GB. * Witness Printer took 184.82 ms. Allocated memory is still 188.7 MB. Free memory was 65.5 MB in the beginning and 158.2 MB in the end (delta: -92.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && tmp <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && 1 < tmp) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((tmp___0 == 0 && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1014 SDtfs, 1270 SDslu, 1450 SDs, 0 SdLazy, 252 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 468 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 155 NumberOfFragments, 656 HoareAnnotationTreeSize, 50 FomulaSimplifications, 62643 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 50 FomulaSimplificationsInter, 1925 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 365 ConstructedInterpolants, 0 QuantifiedInterpolants, 28117 SizeOfPredicates, 3 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...