./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.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_0938453b-0973-450f-8fab-4acb582aad54/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0938453b-0973-450f-8fab-4acb582aad54/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_0938453b-0973-450f-8fab-4acb582aad54/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0938453b-0973-450f-8fab-4acb582aad54/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0938453b-0973-450f-8fab-4acb582aad54/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_0938453b-0973-450f-8fab-4acb582aad54/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 3b38310287d90f8069af2c9350481a8126041a79 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:19:58,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:19:58,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:19:58,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:19:58,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:19:58,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:19:58,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:19:58,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:19:58,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:19:58,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:19:58,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:19:58,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:19:58,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:19:58,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:19:58,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:19:58,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:19:58,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:19:58,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:19:58,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:19:58,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:19:58,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:19:58,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:19:58,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:19:58,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:19:58,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:19:58,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:19:58,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:19:58,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:19:58,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:19:58,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:19:58,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:19:58,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:19:58,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:19:58,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:19:58,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:19:58,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:19:58,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:19:58,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:19:58,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:19:58,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:19:58,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:19:58,240 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0938453b-0973-450f-8fab-4acb582aad54/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:19:58,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:19:58,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:19:58,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:19:58,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:19:58,283 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:19:58,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:19:58,283 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:19:58,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:19:58,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:19:58,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:19:58,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:19:58,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:19:58,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:19:58,292 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:19:58,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:19:58,293 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:19:58,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:19:58,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:19:58,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:19:58,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:19:58,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:19:58,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:19:58,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:19:58,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:19:58,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:19:58,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:19:58,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:19:58,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:19:58,296 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_0938453b-0973-450f-8fab-4acb582aad54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0938453b-0973-450f-8fab-4acb582aad54/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b38310287d90f8069af2c9350481a8126041a79 [2021-10-11 00:19:58,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:19:58,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:19:58,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:19:58,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:19:58,634 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:19:58,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0938453b-0973-450f-8fab-4acb582aad54/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2021-10-11 00:19:58,713 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0938453b-0973-450f-8fab-4acb582aad54/bin/uautomizer-Z5i5R5N3CC/data/00645932f/02475de43fff471a91c9186622e6dda7/FLAGdbf17364f [2021-10-11 00:19:59,215 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:19:59,216 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0938453b-0973-450f-8fab-4acb582aad54/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2021-10-11 00:19:59,229 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0938453b-0973-450f-8fab-4acb582aad54/bin/uautomizer-Z5i5R5N3CC/data/00645932f/02475de43fff471a91c9186622e6dda7/FLAGdbf17364f [2021-10-11 00:19:59,558 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0938453b-0973-450f-8fab-4acb582aad54/bin/uautomizer-Z5i5R5N3CC/data/00645932f/02475de43fff471a91c9186622e6dda7 [2021-10-11 00:19:59,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:19:59,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:19:59,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:19:59,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:19:59,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:19:59,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:19:59" (1/1) ... [2021-10-11 00:19:59,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5342624e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:59, skipping insertion in model container [2021-10-11 00:19:59,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:19:59" (1/1) ... [2021-10-11 00:19:59,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:19:59,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:19:59,979 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_0938453b-0973-450f-8fab-4acb582aad54/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c[17065,17078] [2021-10-11 00:19:59,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:00,000 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:20:00,127 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_0938453b-0973-450f-8fab-4acb582aad54/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c[17065,17078] [2021-10-11 00:20:00,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:00,157 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:20:00,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:00 WrapperNode [2021-10-11 00:20:00,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:00,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:00,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:20:00,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:20:00,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:00" (1/1) ... [2021-10-11 00:20:00,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:00" (1/1) ... [2021-10-11 00:20:00,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:00,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:20:00,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:20:00,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:20:00,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:00" (1/1) ... [2021-10-11 00:20:00,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:00" (1/1) ... [2021-10-11 00:20:00,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:00" (1/1) ... [2021-10-11 00:20:00,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:00" (1/1) ... [2021-10-11 00:20:00,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:00" (1/1) ... [2021-10-11 00:20:00,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:00" (1/1) ... [2021-10-11 00:20:00,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:00" (1/1) ... [2021-10-11 00:20:00,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:20:00,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:20:00,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:20:00,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:20:00,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:00" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0938453b-0973-450f-8fab-4acb582aad54/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 00:20:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:20:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:20:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:20:00,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:20:01,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:20:01,073 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-11 00:20:01,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:01 BoogieIcfgContainer [2021-10-11 00:20:01,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:20:01,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:20:01,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:20:01,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:20:01,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:19:59" (1/3) ... [2021-10-11 00:20:01,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a96c535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:01, skipping insertion in model container [2021-10-11 00:20:01,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:00" (2/3) ... [2021-10-11 00:20:01,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a96c535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:01, skipping insertion in model container [2021-10-11 00:20:01,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:01" (3/3) ... [2021-10-11 00:20:01,084 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2021-10-11 00:20:01,098 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:20:01,102 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:20:01,112 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:20:01,135 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:20:01,136 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:20:01,136 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:20:01,136 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:20:01,136 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:20:01,136 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:20:01,137 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:20:01,137 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:20:01,151 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2021-10-11 00:20:01,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:20:01,156 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:01,157 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:01,157 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:01,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:01,163 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2021-10-11 00:20:01,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:01,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297005574] [2021-10-11 00:20:01,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:01,532 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 00:20:01,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297005574] [2021-10-11 00:20:01,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:01,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:20:01,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936111393] [2021-10-11 00:20:01,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:20:01,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:01,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:20:01,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:20:01,564 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2021-10-11 00:20:01,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:01,604 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-10-11 00:20:01,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:20:01,606 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:20:01,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:01,636 INFO L225 Difference]: With dead ends: 136 [2021-10-11 00:20:01,638 INFO L226 Difference]: Without dead ends: 67 [2021-10-11 00:20:01,644 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 00:20:01,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-11 00:20:01,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-10-11 00:20:01,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2021-10-11 00:20:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-10-11 00:20:01,687 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-10-11 00:20:01,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:01,688 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-10-11 00:20:01,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:20:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-10-11 00:20:01,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:20:01,689 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:01,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:01,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:20:01,690 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:01,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:01,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2021-10-11 00:20:01,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:01,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222166002] [2021-10-11 00:20:01,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:01,791 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 00:20:01,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222166002] [2021-10-11 00:20:01,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:01,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:01,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154444751] [2021-10-11 00:20:01,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:01,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:01,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:01,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:01,794 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2021-10-11 00:20:01,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:01,804 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-10-11 00:20:01,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:01,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:20:01,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:01,806 INFO L225 Difference]: With dead ends: 67 [2021-10-11 00:20:01,806 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 00:20:01,806 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 00:20:01,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 00:20:01,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 00:20:01,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 00:20:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-11 00:20:01,812 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-11 00:20:01,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:01,812 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-11 00:20:01,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-11 00:20:01,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:20:01,813 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:01,813 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] [2021-10-11 00:20:01,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:20:01,814 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:01,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:01,815 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2021-10-11 00:20:01,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:01,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885223002] [2021-10-11 00:20:01,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:01,972 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 00:20:01,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885223002] [2021-10-11 00:20:01,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:01,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:20:01,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126707725] [2021-10-11 00:20:01,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:20:01,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:01,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:20:01,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:20:01,983 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2021-10-11 00:20:02,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:02,044 INFO L93 Difference]: Finished difference Result 83 states and 120 transitions. [2021-10-11 00:20:02,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:20:02,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 00:20:02,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:02,046 INFO L225 Difference]: With dead ends: 83 [2021-10-11 00:20:02,046 INFO L226 Difference]: Without dead ends: 56 [2021-10-11 00:20:02,047 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 00:20:02,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-10-11 00:20:02,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2021-10-11 00:20:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-10-11 00:20:02,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-10-11 00:20:02,056 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2021-10-11 00:20:02,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:02,057 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-10-11 00:20:02,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:20:02,057 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-10-11 00:20:02,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:20:02,058 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:02,058 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] [2021-10-11 00:20:02,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:20:02,059 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:02,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:02,059 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2021-10-11 00:20:02,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:02,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762125492] [2021-10-11 00:20:02,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:02,151 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 00:20:02,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762125492] [2021-10-11 00:20:02,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:02,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:20:02,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505579556] [2021-10-11 00:20:02,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:20:02,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:02,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:20:02,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:20:02,157 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2021-10-11 00:20:02,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:02,284 INFO L93 Difference]: Finished difference Result 189 states and 287 transitions. [2021-10-11 00:20:02,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:20:02,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 00:20:02,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:02,291 INFO L225 Difference]: With dead ends: 189 [2021-10-11 00:20:02,291 INFO L226 Difference]: Without dead ends: 143 [2021-10-11 00:20:02,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 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 00:20:02,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-11 00:20:02,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 92. [2021-10-11 00:20:02,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2021-10-11 00:20:02,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2021-10-11 00:20:02,336 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 23 [2021-10-11 00:20:02,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:02,337 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2021-10-11 00:20:02,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:20:02,337 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2021-10-11 00:20:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:20:02,339 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:02,339 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] [2021-10-11 00:20:02,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:20:02,340 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:02,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:02,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1869425907, now seen corresponding path program 1 times [2021-10-11 00:20:02,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:02,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077938674] [2021-10-11 00:20:02,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:02,432 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 00:20:02,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077938674] [2021-10-11 00:20:02,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:02,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:20:02,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525024076] [2021-10-11 00:20:02,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:20:02,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:02,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:20:02,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:20:02,435 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand 5 states. [2021-10-11 00:20:02,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:02,498 INFO L93 Difference]: Finished difference Result 232 states and 343 transitions. [2021-10-11 00:20:02,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:20:02,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:20:02,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:02,499 INFO L225 Difference]: With dead ends: 232 [2021-10-11 00:20:02,499 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:20:02,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 00:20:02,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:20:02,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:20:02,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:20:02,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:20:02,502 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 00:20:02,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:02,502 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:02,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:20:02,502 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:20:02,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:20:02,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:20:02,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:20:02,792 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2021-10-11 00:20:02,793 INFO L258 CegarLoopResult]: At program point L746(lines 739 749) the Hoare annotation is: false [2021-10-11 00:20:02,793 INFO L258 CegarLoopResult]: At program point L746-1(lines 739 749) the Hoare annotation is: false [2021-10-11 00:20:02,793 INFO L258 CegarLoopResult]: At program point L746-2(lines 739 749) the Hoare annotation is: false [2021-10-11 00:20:02,793 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:20:02,794 INFO L262 CegarLoopResult]: For program point L251(lines 251 258) no Hoare annotation was computed. [2021-10-11 00:20:02,794 INFO L265 CegarLoopResult]: At program point L251-1(lines 251 258) the Hoare annotation is: true [2021-10-11 00:20:02,795 INFO L258 CegarLoopResult]: At program point L879(lines 828 880) the Hoare annotation is: false [2021-10-11 00:20:02,795 INFO L262 CegarLoopResult]: For program point L830(lines 829 878) no Hoare annotation was computed. [2021-10-11 00:20:02,795 INFO L258 CegarLoopResult]: At program point L153(lines 1 895) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-10-11 00:20:02,796 INFO L262 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-10-11 00:20:02,796 INFO L262 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2021-10-11 00:20:02,796 INFO L262 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2021-10-11 00:20:02,797 INFO L262 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2021-10-11 00:20:02,797 INFO L262 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2021-10-11 00:20:02,798 INFO L258 CegarLoopResult]: At program point L799-1(lines 799 805) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:20:02,798 INFO L262 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-10-11 00:20:02,798 INFO L258 CegarLoopResult]: At program point L849-1(lines 849 855) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:20:02,798 INFO L258 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:20:02,799 INFO L258 CegarLoopResult]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2021-10-11 00:20:02,799 INFO L258 CegarLoopResult]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2021-10-11 00:20:02,800 INFO L262 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2021-10-11 00:20:02,800 INFO L258 CegarLoopResult]: At program point L867-1(lines 670 676) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:20:02,800 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:20:02,801 INFO L262 CegarLoopResult]: For program point L702(lines 702 719) no Hoare annotation was computed. [2021-10-11 00:20:02,801 INFO L262 CegarLoopResult]: For program point L702-1(lines 702 719) no Hoare annotation was computed. [2021-10-11 00:20:02,801 INFO L262 CegarLoopResult]: For program point L702-2(lines 702 719) no Hoare annotation was computed. [2021-10-11 00:20:02,802 INFO L258 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2021-10-11 00:20:02,802 INFO L258 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: false [2021-10-11 00:20:02,802 INFO L258 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2021-10-11 00:20:02,804 INFO L258 CegarLoopResult]: At program point L670(lines 669 688) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:20:02,807 INFO L262 CegarLoopResult]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2021-10-11 00:20:02,808 INFO L258 CegarLoopResult]: At program point L670-2(lines 669 688) the Hoare annotation is: false [2021-10-11 00:20:02,808 INFO L258 CegarLoopResult]: At program point L670-3(lines 669 688) the Hoare annotation is: false [2021-10-11 00:20:02,809 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2021-10-11 00:20:02,809 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:20:02,809 INFO L258 CegarLoopResult]: At program point L755(lines 750 758) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:20:02,809 INFO L258 CegarLoopResult]: At program point L755-1(lines 750 758) the Hoare annotation is: false [2021-10-11 00:20:02,810 INFO L258 CegarLoopResult]: At program point L755-2(lines 750 758) the Hoare annotation is: false [2021-10-11 00:20:02,810 INFO L262 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-10-11 00:20:02,811 INFO L265 CegarLoopResult]: At program point L260(lines 241 263) the Hoare annotation is: true [2021-10-11 00:20:02,811 INFO L258 CegarLoopResult]: At program point L227(lines 223 229) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:20:02,811 INFO L262 CegarLoopResult]: For program point L706(lines 706 714) no Hoare annotation was computed. [2021-10-11 00:20:02,817 INFO L258 CegarLoopResult]: At program point L161(lines 156 164) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:20:02,818 INFO L262 CegarLoopResult]: For program point L706-1(lines 706 714) no Hoare annotation was computed. [2021-10-11 00:20:02,818 INFO L262 CegarLoopResult]: For program point L706-2(lines 706 714) no Hoare annotation was computed. [2021-10-11 00:20:02,818 INFO L258 CegarLoopResult]: At program point L178-2(lines 178 192) the Hoare annotation is: false [2021-10-11 00:20:02,818 INFO L262 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2021-10-11 00:20:02,818 INFO L258 CegarLoopResult]: At program point L839-1(lines 839 845) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:20:02,819 INFO L262 CegarLoopResult]: For program point L641(lines 641 654) no Hoare annotation was computed. [2021-10-11 00:20:02,819 INFO L258 CegarLoopResult]: At program point L641-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:20:02,819 INFO L262 CegarLoopResult]: For program point L641-2(lines 641 654) no Hoare annotation was computed. [2021-10-11 00:20:02,819 INFO L258 CegarLoopResult]: At program point L641-3(lines 1 895) the Hoare annotation is: false [2021-10-11 00:20:02,819 INFO L262 CegarLoopResult]: For program point L641-4(lines 641 654) no Hoare annotation was computed. [2021-10-11 00:20:02,820 INFO L258 CegarLoopResult]: At program point L641-5(lines 1 895) the Hoare annotation is: false [2021-10-11 00:20:02,820 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-11 00:20:02,820 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:20:02,820 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2021-10-11 00:20:02,820 INFO L258 CegarLoopResult]: At program point L677(lines 677 683) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:20:02,821 INFO L258 CegarLoopResult]: At program point L677-1(lines 677 683) the Hoare annotation is: false [2021-10-11 00:20:02,821 INFO L258 CegarLoopResult]: At program point L677-2(lines 677 683) the Hoare annotation is: false [2021-10-11 00:20:02,821 INFO L262 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-11 00:20:02,821 INFO L262 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2021-10-11 00:20:02,821 INFO L262 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2021-10-11 00:20:02,821 INFO L262 CegarLoopResult]: For program point L892-1(line 892) no Hoare annotation was computed. [2021-10-11 00:20:02,822 INFO L262 CegarLoopResult]: For program point L892-2(line 892) no Hoare annotation was computed. [2021-10-11 00:20:02,822 INFO L262 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2021-10-11 00:20:02,823 INFO L262 CegarLoopResult]: For program point L182-1(lines 670 676) no Hoare annotation was computed. [2021-10-11 00:20:02,823 INFO L262 CegarLoopResult]: For program point L645(lines 645 651) no Hoare annotation was computed. [2021-10-11 00:20:02,824 INFO L262 CegarLoopResult]: For program point L645-2(lines 645 651) no Hoare annotation was computed. [2021-10-11 00:20:02,824 INFO L262 CegarLoopResult]: For program point L645-4(lines 645 651) no Hoare annotation was computed. [2021-10-11 00:20:02,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:20:02 BoogieIcfgContainer [2021-10-11 00:20:02,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:20:02,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:20:02,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:20:02,862 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:20:02,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:01" (3/4) ... [2021-10-11 00:20:02,873 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:20:02,888 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:20:02,889 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:20:02,889 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:20:02,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:20:02,891 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:20:02,892 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:20:02,892 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:20:02,918 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2021-10-11 00:20:02,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2021-10-11 00:20:02,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:20:02,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:20:02,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:20:02,921 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:20:02,921 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:20:02,921 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:20:02,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:20:02,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:20:02,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:20:02,973 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0938453b-0973-450f-8fab-4acb582aad54/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:20:02,974 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:20:02,976 INFO L168 Benchmark]: Toolchain (without parser) took 3413.27 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 50.6 MB in the beginning and 93.5 MB in the end (delta: -42.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:02,976 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 92.3 MB. Free memory was 67.6 MB in the beginning and 67.5 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:02,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.92 ms. Allocated memory is still 92.3 MB. Free memory was 50.4 MB in the beginning and 57.8 MB in the end (delta: -7.4 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:02,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.88 ms. Allocated memory is still 92.3 MB. Free memory was 57.8 MB in the beginning and 55.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:02,977 INFO L168 Benchmark]: Boogie Preprocessor took 40.09 ms. Allocated memory is still 92.3 MB. Free memory was 55.0 MB in the beginning and 52.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:02,978 INFO L168 Benchmark]: RCFGBuilder took 811.52 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 52.6 MB in the beginning and 57.9 MB in the end (delta: -5.4 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:02,978 INFO L168 Benchmark]: TraceAbstraction took 1783.48 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 57.3 MB in the beginning and 99.8 MB in the end (delta: -42.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:02,979 INFO L168 Benchmark]: Witness Printer took 112.65 ms. Allocated memory is still 134.2 MB. Free memory was 99.8 MB in the beginning and 93.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:02,981 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 92.3 MB. Free memory was 67.6 MB in the beginning and 67.5 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 594.92 ms. Allocated memory is still 92.3 MB. Free memory was 50.4 MB in the beginning and 57.8 MB in the end (delta: -7.4 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.88 ms. Allocated memory is still 92.3 MB. Free memory was 57.8 MB in the beginning and 55.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.09 ms. Allocated memory is still 92.3 MB. Free memory was 55.0 MB in the beginning and 52.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 811.52 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 52.6 MB in the beginning and 57.9 MB in the end (delta: -5.4 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1783.48 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 57.3 MB in the beginning and 99.8 MB in the end (delta: -42.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. * Witness Printer took 112.65 ms. Allocated memory is still 134.2 MB. Free memory was 99.8 MB in the beginning and 93.5 MB in the end (delta: 6.3 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: 892]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 892]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 892]: 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: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 451 SDslu, 258 SDs, 0 SdLazy, 59 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1972 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...