./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.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_4f0ec55e-1d68-44f2-a286-73f926cccd6d/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0ec55e-1d68-44f2-a286-73f926cccd6d/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_4f0ec55e-1d68-44f2-a286-73f926cccd6d/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0ec55e-1d68-44f2-a286-73f926cccd6d/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0ec55e-1d68-44f2-a286-73f926cccd6d/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_4f0ec55e-1d68-44f2-a286-73f926cccd6d/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 d8dfaf8ef68175aa3f4082d006a42419867490ad ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:22:54,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:22:54,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:22:54,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:22:54,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:22:54,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:22:54,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:22:54,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:22:54,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:22:54,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:22:54,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:22:54,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:22:54,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:22:54,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:22:54,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:22:54,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:22:54,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:22:54,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:22:54,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:22:54,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:22:54,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:22:54,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:22:54,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:22:54,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:22:54,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:22:54,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:22:54,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:22:54,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:22:54,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:22:54,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:22:54,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:22:54,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:22:54,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:22:54,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:22:54,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:22:54,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:22:54,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:22:54,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:22:54,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:22:54,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:22:54,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:22:54,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0ec55e-1d68-44f2-a286-73f926cccd6d/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:22:54,289 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:22:54,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:22:54,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:22:54,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:22:54,295 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:22:54,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:22:54,295 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:22:54,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:22:54,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:22:54,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:22:54,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:22:54,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:22:54,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:22:54,305 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:22:54,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:22:54,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:22:54,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:22:54,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:22:54,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:22:54,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:22:54,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:22:54,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:22:54,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:22:54,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:22:54,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:22:54,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:22:54,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:22:54,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:22:54,309 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_4f0ec55e-1d68-44f2-a286-73f926cccd6d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0ec55e-1d68-44f2-a286-73f926cccd6d/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8dfaf8ef68175aa3f4082d006a42419867490ad [2021-10-11 00:22:54,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:22:54,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:22:54,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:22:54,738 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:22:54,741 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:22:54,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0ec55e-1d68-44f2-a286-73f926cccd6d/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-10-11 00:22:54,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0ec55e-1d68-44f2-a286-73f926cccd6d/bin/uautomizer-Z5i5R5N3CC/data/820626ca8/c265b3a69fc646ff87094e5f1cc1e595/FLAG6267f7218 [2021-10-11 00:22:55,536 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:22:55,536 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0ec55e-1d68-44f2-a286-73f926cccd6d/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-10-11 00:22:55,567 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0ec55e-1d68-44f2-a286-73f926cccd6d/bin/uautomizer-Z5i5R5N3CC/data/820626ca8/c265b3a69fc646ff87094e5f1cc1e595/FLAG6267f7218 [2021-10-11 00:22:55,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0ec55e-1d68-44f2-a286-73f926cccd6d/bin/uautomizer-Z5i5R5N3CC/data/820626ca8/c265b3a69fc646ff87094e5f1cc1e595 [2021-10-11 00:22:55,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:22:55,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:22:55,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:55,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:22:55,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:22:55,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:55" (1/1) ... [2021-10-11 00:22:55,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a44883d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:55, skipping insertion in model container [2021-10-11 00:22:55,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:55" (1/1) ... [2021-10-11 00:22:55,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:22:55,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:22:56,262 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_4f0ec55e-1d68-44f2-a286-73f926cccd6d/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[17810,17823] [2021-10-11 00:22:56,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:56,284 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:22:56,395 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_4f0ec55e-1d68-44f2-a286-73f926cccd6d/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[17810,17823] [2021-10-11 00:22:56,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:56,426 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:22:56,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:56 WrapperNode [2021-10-11 00:22:56,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:56,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:56,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:22:56,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:22:56,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:56" (1/1) ... [2021-10-11 00:22:56,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:56" (1/1) ... [2021-10-11 00:22:56,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:56,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:22:56,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:22:56,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:22:56,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:56" (1/1) ... [2021-10-11 00:22:56,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:56" (1/1) ... [2021-10-11 00:22:56,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:56" (1/1) ... [2021-10-11 00:22:56,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:56" (1/1) ... [2021-10-11 00:22:56,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:56" (1/1) ... [2021-10-11 00:22:56,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:56" (1/1) ... [2021-10-11 00:22:56,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:56" (1/1) ... [2021-10-11 00:22:56,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:22:56,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:22:56,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:22:56,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:22:56,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:56" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0ec55e-1d68-44f2-a286-73f926cccd6d/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 00:22:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:22:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:22:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:22:56,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:22:57,765 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:22:57,771 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-10-11 00:22:57,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:57 BoogieIcfgContainer [2021-10-11 00:22:57,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:22:57,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:22:57,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:22:57,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:22:57,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:22:55" (1/3) ... [2021-10-11 00:22:57,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444adc3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:57, skipping insertion in model container [2021-10-11 00:22:57,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:56" (2/3) ... [2021-10-11 00:22:57,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444adc3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:57, skipping insertion in model container [2021-10-11 00:22:57,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:57" (3/3) ... [2021-10-11 00:22:57,785 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2021-10-11 00:22:57,799 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:22:57,803 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:22:57,814 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:22:57,855 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:22:57,855 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:22:57,856 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:22:57,856 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:22:57,856 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:22:57,856 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:22:57,856 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:22:57,856 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:22:57,877 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2021-10-11 00:22:57,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:22:57,882 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:57,883 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:57,884 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:57,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:57,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1624388130, now seen corresponding path program 1 times [2021-10-11 00:22:57,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:57,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696762493] [2021-10-11 00:22:57,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:58,253 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 00:22:58,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696762493] [2021-10-11 00:22:58,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:58,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:22:58,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150267692] [2021-10-11 00:22:58,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:22:58,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:58,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:22:58,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:22:58,275 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2021-10-11 00:22:58,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:58,305 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2021-10-11 00:22:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:22:58,306 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:22:58,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:58,317 INFO L225 Difference]: With dead ends: 204 [2021-10-11 00:22:58,318 INFO L226 Difference]: Without dead ends: 101 [2021-10-11 00:22:58,321 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 00:22:58,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-11 00:22:58,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-10-11 00:22:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-10-11 00:22:58,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2021-10-11 00:22:58,369 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2021-10-11 00:22:58,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:58,370 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2021-10-11 00:22:58,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:22:58,371 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2021-10-11 00:22:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:22:58,374 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:58,374 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 00:22:58,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:22:58,375 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:58,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:58,378 INFO L82 PathProgramCache]: Analyzing trace with hash 577631233, now seen corresponding path program 1 times [2021-10-11 00:22:58,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:58,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62246405] [2021-10-11 00:22:58,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:58,531 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 00:22:58,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62246405] [2021-10-11 00:22:58,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:58,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:22:58,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479924219] [2021-10-11 00:22:58,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:22:58,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:58,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:22:58,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:58,535 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2021-10-11 00:22:58,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:58,547 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2021-10-11 00:22:58,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:22:58,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:22:58,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:58,549 INFO L225 Difference]: With dead ends: 101 [2021-10-11 00:22:58,549 INFO L226 Difference]: Without dead ends: 43 [2021-10-11 00:22:58,550 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 00:22:58,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-11 00:22:58,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-11 00:22:58,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-10-11 00:22:58,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2021-10-11 00:22:58,558 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2021-10-11 00:22:58,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:58,558 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2021-10-11 00:22:58,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:22:58,559 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2021-10-11 00:22:58,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:22:58,560 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:58,561 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 00:22:58,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:22:58,562 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:58,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:58,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2021-10-11 00:22:58,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:58,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704992975] [2021-10-11 00:22:58,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:58,703 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 00:22:58,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704992975] [2021-10-11 00:22:58,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:58,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:22:58,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330075410] [2021-10-11 00:22:58,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:22:58,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:58,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:22:58,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:22:58,721 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 6 states. [2021-10-11 00:22:58,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:58,943 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2021-10-11 00:22:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:22:58,944 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2021-10-11 00:22:58,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:58,945 INFO L225 Difference]: With dead ends: 80 [2021-10-11 00:22:58,946 INFO L226 Difference]: Without dead ends: 43 [2021-10-11 00:22:58,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:22:58,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-11 00:22:58,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-11 00:22:58,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-10-11 00:22:58,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-10-11 00:22:58,953 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2021-10-11 00:22:58,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:58,953 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-10-11 00:22:58,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:22:58,953 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-10-11 00:22:58,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:22:58,954 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:58,955 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 00:22:58,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:22:58,955 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:58,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:58,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2021-10-11 00:22:58,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:58,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567129613] [2021-10-11 00:22:58,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:59,023 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 00:22:59,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567129613] [2021-10-11 00:22:59,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:59,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:22:59,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589130698] [2021-10-11 00:22:59,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:22:59,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:59,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:22:59,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:59,027 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2021-10-11 00:22:59,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:59,119 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2021-10-11 00:22:59,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:22:59,120 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:22:59,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:59,122 INFO L225 Difference]: With dead ends: 204 [2021-10-11 00:22:59,122 INFO L226 Difference]: Without dead ends: 167 [2021-10-11 00:22:59,123 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 00:22:59,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-10-11 00:22:59,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2021-10-11 00:22:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-10-11 00:22:59,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2021-10-11 00:22:59,137 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2021-10-11 00:22:59,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:59,138 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2021-10-11 00:22:59,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:22:59,138 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2021-10-11 00:22:59,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:22:59,139 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:59,140 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] [2021-10-11 00:22:59,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:22:59,140 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:59,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:59,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1795216542, now seen corresponding path program 1 times [2021-10-11 00:22:59,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:59,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280622168] [2021-10-11 00:22:59,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:59,204 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 00:22:59,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280622168] [2021-10-11 00:22:59,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:59,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:22:59,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840725838] [2021-10-11 00:22:59,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:22:59,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:59,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:22:59,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:59,207 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 5 states. [2021-10-11 00:22:59,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:59,261 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2021-10-11 00:22:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:22:59,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 00:22:59,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:59,262 INFO L225 Difference]: With dead ends: 174 [2021-10-11 00:22:59,262 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:22:59,263 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 00:22:59,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:22:59,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:22:59,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:22:59,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:22:59,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-11 00:22:59,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:59,265 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:22:59,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:22:59,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:22:59,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:22:59,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:22:59,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:22:59,594 INFO L258 CegarLoopResult]: At program point L927(lines 922 930) the Hoare annotation is: false [2021-10-11 00:22:59,594 INFO L258 CegarLoopResult]: At program point L927-1(lines 922 930) the Hoare annotation is: false [2021-10-11 00:22:59,595 INFO L262 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2021-10-11 00:22:59,595 INFO L258 CegarLoopResult]: At program point L927-2(lines 922 930) the Hoare annotation is: false [2021-10-11 00:22:59,595 INFO L258 CegarLoopResult]: At program point L927-3(lines 922 930) the Hoare annotation is: false [2021-10-11 00:22:59,595 INFO L258 CegarLoopResult]: At program point L927-4(lines 922 930) the Hoare annotation is: false [2021-10-11 00:22:59,595 INFO L258 CegarLoopResult]: At program point L927-5(lines 922 930) the Hoare annotation is: false [2021-10-11 00:22:59,595 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 936) no Hoare annotation was computed. [2021-10-11 00:22:59,595 INFO L262 CegarLoopResult]: For program point L400(lines 400 407) no Hoare annotation was computed. [2021-10-11 00:22:59,596 INFO L265 CegarLoopResult]: At program point L400-1(lines 400 407) the Hoare annotation is: true [2021-10-11 00:22:59,596 INFO L262 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:22:59,596 INFO L262 CegarLoopResult]: For program point L236-2(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:22:59,597 INFO L262 CegarLoopResult]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:22:59,597 INFO L262 CegarLoopResult]: For program point L236-5(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:22:59,597 INFO L262 CegarLoopResult]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:22:59,597 INFO L262 CegarLoopResult]: For program point L236-8(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:22:59,597 INFO L262 CegarLoopResult]: For program point L236-9(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:22:59,597 INFO L262 CegarLoopResult]: For program point L236-11(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:22:59,598 INFO L262 CegarLoopResult]: For program point L236-12(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:22:59,598 INFO L262 CegarLoopResult]: For program point L236-14(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:22:59,598 INFO L262 CegarLoopResult]: For program point L236-15(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:22:59,598 INFO L262 CegarLoopResult]: For program point L236-17(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:22:59,599 INFO L262 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2021-10-11 00:22:59,599 INFO L258 CegarLoopResult]: At program point L270-1(lines 270 276) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:22:59,599 INFO L258 CegarLoopResult]: At program point L436(lines 1 939) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:22:59,599 INFO L258 CegarLoopResult]: At program point L306(lines 259 307) the Hoare annotation is: false [2021-10-11 00:22:59,600 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 936) no Hoare annotation was computed. [2021-10-11 00:22:59,600 INFO L258 CegarLoopResult]: At program point L374(lines 370 376) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:22:59,600 INFO L258 CegarLoopResult]: At program point L242(lines 227 245) the Hoare annotation is: false [2021-10-11 00:22:59,601 INFO L258 CegarLoopResult]: At program point L242-1(lines 227 245) the Hoare annotation is: false [2021-10-11 00:22:59,605 INFO L258 CegarLoopResult]: At program point L242-2(lines 227 245) the Hoare annotation is: false [2021-10-11 00:22:59,605 INFO L258 CegarLoopResult]: At program point L242-3(lines 227 245) the Hoare annotation is: false [2021-10-11 00:22:59,605 INFO L258 CegarLoopResult]: At program point L242-4(lines 227 245) the Hoare annotation is: false [2021-10-11 00:22:59,605 INFO L258 CegarLoopResult]: At program point L242-5(lines 227 245) the Hoare annotation is: false [2021-10-11 00:22:59,606 INFO L262 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2021-10-11 00:22:59,606 INFO L262 CegarLoopResult]: For program point L936-1(line 936) no Hoare annotation was computed. [2021-10-11 00:22:59,607 INFO L262 CegarLoopResult]: For program point L936-2(line 936) no Hoare annotation was computed. [2021-10-11 00:22:59,607 INFO L265 CegarLoopResult]: At program point L409(lines 390 412) the Hoare annotation is: true [2021-10-11 00:22:59,607 INFO L258 CegarLoopResult]: At program point L178(lines 171 181) the Hoare annotation is: false [2021-10-11 00:22:59,608 INFO L258 CegarLoopResult]: At program point L178-1(lines 171 181) the Hoare annotation is: false [2021-10-11 00:22:59,608 INFO L258 CegarLoopResult]: At program point L178-2(lines 171 181) the Hoare annotation is: false [2021-10-11 00:22:59,608 INFO L262 CegarLoopResult]: For program point L873(lines 873 877) no Hoare annotation was computed. [2021-10-11 00:22:59,609 INFO L258 CegarLoopResult]: At program point L444(lines 439 447) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:22:59,613 INFO L262 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2021-10-11 00:22:59,614 INFO L258 CegarLoopResult]: At program point L280-1(lines 280 286) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:22:59,614 INFO L262 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2021-10-11 00:22:59,614 INFO L262 CegarLoopResult]: For program point L117-1(lines 117 134) no Hoare annotation was computed. [2021-10-11 00:22:59,614 INFO L262 CegarLoopResult]: For program point L117-2(lines 117 134) no Hoare annotation was computed. [2021-10-11 00:22:59,614 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:22:59,614 INFO L258 CegarLoopResult]: At program point L187(lines 182 190) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:22:59,614 INFO L258 CegarLoopResult]: At program point L187-1(lines 182 190) the Hoare annotation is: false [2021-10-11 00:22:59,615 INFO L262 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2021-10-11 00:22:59,615 INFO L258 CegarLoopResult]: At program point L187-2(lines 182 190) the Hoare annotation is: false [2021-10-11 00:22:59,615 INFO L262 CegarLoopResult]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2021-10-11 00:22:59,615 INFO L262 CegarLoopResult]: For program point L121-2(lines 121 129) no Hoare annotation was computed. [2021-10-11 00:22:59,615 INFO L262 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2021-10-11 00:22:59,615 INFO L262 CegarLoopResult]: For program point L849-3(lines 849 853) no Hoare annotation was computed. [2021-10-11 00:22:59,615 INFO L262 CegarLoopResult]: For program point L849-6(lines 849 853) no Hoare annotation was computed. [2021-10-11 00:22:59,615 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:22:59,615 INFO L262 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2021-10-11 00:22:59,616 INFO L262 CegarLoopResult]: For program point L91-1(lines 91 108) no Hoare annotation was computed. [2021-10-11 00:22:59,616 INFO L262 CegarLoopResult]: For program point L91-2(lines 91 108) no Hoare annotation was computed. [2021-10-11 00:22:59,616 INFO L262 CegarLoopResult]: For program point L91-3(lines 91 108) no Hoare annotation was computed. [2021-10-11 00:22:59,616 INFO L262 CegarLoopResult]: For program point L91-4(lines 91 108) no Hoare annotation was computed. [2021-10-11 00:22:59,616 INFO L262 CegarLoopResult]: For program point L91-5(lines 91 108) no Hoare annotation was computed. [2021-10-11 00:22:59,616 INFO L262 CegarLoopResult]: For program point L290(lines 290 301) no Hoare annotation was computed. [2021-10-11 00:22:59,616 INFO L258 CegarLoopResult]: At program point L59(lines 58 77) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:22:59,616 INFO L262 CegarLoopResult]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2021-10-11 00:22:59,616 INFO L258 CegarLoopResult]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2021-10-11 00:22:59,617 INFO L258 CegarLoopResult]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2021-10-11 00:22:59,617 INFO L258 CegarLoopResult]: At program point L886(lines 881 889) the Hoare annotation is: false [2021-10-11 00:22:59,617 INFO L258 CegarLoopResult]: At program point L886-1(lines 881 889) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:22:59,617 INFO L258 CegarLoopResult]: At program point L886-2(lines 881 889) the Hoare annotation is: false [2021-10-11 00:22:59,617 INFO L258 CegarLoopResult]: At program point L886-3(lines 881 889) the Hoare annotation is: false [2021-10-11 00:22:59,617 INFO L258 CegarLoopResult]: At program point L886-4(lines 881 889) the Hoare annotation is: false [2021-10-11 00:22:59,617 INFO L258 CegarLoopResult]: At program point L886-5(lines 881 889) the Hoare annotation is: false [2021-10-11 00:22:59,617 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:22:59,618 INFO L262 CegarLoopResult]: For program point L458(lines 458 471) no Hoare annotation was computed. [2021-10-11 00:22:59,618 INFO L258 CegarLoopResult]: At program point L458-1(lines 1 939) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:22:59,618 INFO L262 CegarLoopResult]: For program point L458-2(lines 458 471) no Hoare annotation was computed. [2021-10-11 00:22:59,618 INFO L258 CegarLoopResult]: At program point L458-3(lines 1 939) the Hoare annotation is: false [2021-10-11 00:22:59,618 INFO L262 CegarLoopResult]: For program point L458-4(lines 458 471) no Hoare annotation was computed. [2021-10-11 00:22:59,618 INFO L258 CegarLoopResult]: At program point L458-5(lines 1 939) the Hoare annotation is: false [2021-10-11 00:22:59,618 INFO L258 CegarLoopResult]: At program point L326-2(lines 326 340) the Hoare annotation is: false [2021-10-11 00:22:59,618 INFO L262 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2021-10-11 00:22:59,619 INFO L262 CegarLoopResult]: For program point L95-1(lines 95 103) no Hoare annotation was computed. [2021-10-11 00:22:59,619 INFO L262 CegarLoopResult]: For program point L95-2(lines 95 103) no Hoare annotation was computed. [2021-10-11 00:22:59,619 INFO L262 CegarLoopResult]: For program point L95-3(lines 95 103) no Hoare annotation was computed. [2021-10-11 00:22:59,619 INFO L262 CegarLoopResult]: For program point L95-4(lines 95 103) no Hoare annotation was computed. [2021-10-11 00:22:59,619 INFO L262 CegarLoopResult]: For program point L95-5(lines 95 103) no Hoare annotation was computed. [2021-10-11 00:22:59,619 INFO L262 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2021-10-11 00:22:59,621 INFO L262 CegarLoopResult]: For program point L261(lines 260 305) no Hoare annotation was computed. [2021-10-11 00:22:59,621 INFO L262 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2021-10-11 00:22:59,621 INFO L262 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2021-10-11 00:22:59,621 INFO L262 CegarLoopResult]: For program point L296-2(lines 59 65) no Hoare annotation was computed. [2021-10-11 00:22:59,621 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:22:59,621 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 936) no Hoare annotation was computed. [2021-10-11 00:22:59,622 INFO L262 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2021-10-11 00:22:59,622 INFO L262 CegarLoopResult]: For program point L462-2(lines 462 468) no Hoare annotation was computed. [2021-10-11 00:22:59,622 INFO L262 CegarLoopResult]: For program point L330(lines 330 334) no Hoare annotation was computed. [2021-10-11 00:22:59,622 INFO L262 CegarLoopResult]: For program point L462-4(lines 462 468) no Hoare annotation was computed. [2021-10-11 00:22:59,622 INFO L262 CegarLoopResult]: For program point L330-1(lines 59 65) no Hoare annotation was computed. [2021-10-11 00:22:59,622 INFO L258 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:22:59,622 INFO L258 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2021-10-11 00:22:59,622 INFO L258 CegarLoopResult]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2021-10-11 00:22:59,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:22:59 BoogieIcfgContainer [2021-10-11 00:22:59,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:22:59,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:22:59,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:22:59,657 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:22:59,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:57" (3/4) ... [2021-10-11 00:22:59,661 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:22:59,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:22:59,689 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:22:59,691 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:22:59,692 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:22:59,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:22:59,694 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:22:59,695 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:22:59,721 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2021-10-11 00:22:59,722 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && pumpRunning == 0 [2021-10-11 00:22:59,722 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:22:59,723 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:22:59,724 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:22:59,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:22:59,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:22:59,728 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:22:59,733 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == systemActive && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:22:59,826 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0ec55e-1d68-44f2-a286-73f926cccd6d/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:22:59,826 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:22:59,828 INFO L168 Benchmark]: Toolchain (without parser) took 4045.28 ms. Allocated memory was 92.3 MB in the beginning and 144.7 MB in the end (delta: 52.4 MB). Free memory was 60.1 MB in the beginning and 69.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:59,828 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 92.3 MB. Free memory was 46.0 MB in the beginning and 45.9 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:22:59,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.48 ms. Allocated memory is still 92.3 MB. Free memory was 59.9 MB in the beginning and 58.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:59,829 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.78 ms. Allocated memory is still 92.3 MB. Free memory was 58.0 MB in the beginning and 54.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:59,830 INFO L168 Benchmark]: Boogie Preprocessor took 79.64 ms. Allocated memory is still 92.3 MB. Free memory was 54.5 MB in the beginning and 51.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:59,830 INFO L168 Benchmark]: RCFGBuilder took 1167.85 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 51.8 MB in the beginning and 84.8 MB in the end (delta: -33.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:59,831 INFO L168 Benchmark]: TraceAbstraction took 1880.13 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 83.8 MB in the beginning and 78.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 46.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:59,831 INFO L168 Benchmark]: Witness Printer took 169.45 ms. Allocated memory is still 144.7 MB. Free memory was 78.9 MB in the beginning and 69.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:59,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 92.3 MB. Free memory was 46.0 MB in the beginning and 45.9 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 643.48 ms. Allocated memory is still 92.3 MB. Free memory was 59.9 MB in the beginning and 58.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.78 ms. Allocated memory is still 92.3 MB. Free memory was 58.0 MB in the beginning and 54.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.64 ms. Allocated memory is still 92.3 MB. Free memory was 54.5 MB in the beginning and 51.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1167.85 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 51.8 MB in the beginning and 84.8 MB in the end (delta: -33.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1880.13 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 83.8 MB in the beginning and 78.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 46.2 MB. Max. memory is 16.1 GB. * Witness Printer took 169.45 ms. Allocated memory is still 144.7 MB. Free memory was 78.9 MB in the beginning and 69.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 936]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 936]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 936]: 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: 390]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && pumpRunning == 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((((\result == systemActive && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 410 SDtfs, 519 SDslu, 334 SDs, 0 SdLazy, 63 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, 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, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 77 NumberOfFragments, 186 HoareAnnotationTreeSize, 42 FomulaSimplifications, 1471 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 67 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4976 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...