./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.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_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/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_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/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_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/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 4f185c5a4952179bf0341452c73ac94d6127cab1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:21:38,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:21:38,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:21:38,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:21:38,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:21:38,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:21:38,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:21:38,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:21:38,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:21:38,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:21:38,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:21:38,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:21:38,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:21:38,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:21:38,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:21:38,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:21:38,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:21:39,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:21:39,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:21:39,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:21:39,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:21:39,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:21:39,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:21:39,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:21:39,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:21:39,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:21:39,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:21:39,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:21:39,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:21:39,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:21:39,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:21:39,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:21:39,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:21:39,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:21:39,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:21:39,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:21:39,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:21:39,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:21:39,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:21:39,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:21:39,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:21:39,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:21:39,093 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:21:39,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:21:39,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:21:39,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:21:39,097 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:21:39,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:21:39,097 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:21:39,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:21:39,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:21:39,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:21:39,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:21:39,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:21:39,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:21:39,106 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:21:39,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:21:39,107 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:21:39,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:21:39,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:21:39,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:21:39,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:21:39,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:21:39,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:21:39,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:21:39,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:21:39,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:21:39,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:21:39,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:21:39,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:21:39,110 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_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f185c5a4952179bf0341452c73ac94d6127cab1 [2021-10-11 00:21:39,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:21:39,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:21:39,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:21:39,515 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:21:39,516 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:21:39,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2021-10-11 00:21:39,595 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/bin/uautomizer-Z5i5R5N3CC/data/d52de2369/cbcca7700a694fd4b5aba3ecad289605/FLAG321228b7e [2021-10-11 00:21:40,137 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:21:40,138 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2021-10-11 00:21:40,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/bin/uautomizer-Z5i5R5N3CC/data/d52de2369/cbcca7700a694fd4b5aba3ecad289605/FLAG321228b7e [2021-10-11 00:21:40,420 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/bin/uautomizer-Z5i5R5N3CC/data/d52de2369/cbcca7700a694fd4b5aba3ecad289605 [2021-10-11 00:21:40,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:21:40,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:21:40,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:40,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:21:40,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:21:40,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342d6846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40, skipping insertion in model container [2021-10-11 00:21:40,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:21:40,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:21:40,991 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_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[18853,18866] [2021-10-11 00:21:40,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:41,016 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:21:41,136 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_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[18853,18866] [2021-10-11 00:21:41,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:41,198 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:21:41,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41 WrapperNode [2021-10-11 00:21:41,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:41,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:41,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:21:41,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:21:41,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:41,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:21:41,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:21:41,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:21:41,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:21:41,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:21:41,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:21:41,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:21:41,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/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 00:21:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:21:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:21:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:21:41,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:21:42,620 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:21:42,620 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-10-11 00:21:42,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:42 BoogieIcfgContainer [2021-10-11 00:21:42,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:21:42,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:21:42,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:21:42,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:21:42,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:21:40" (1/3) ... [2021-10-11 00:21:42,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332627b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:42, skipping insertion in model container [2021-10-11 00:21:42,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (2/3) ... [2021-10-11 00:21:42,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332627b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:42, skipping insertion in model container [2021-10-11 00:21:42,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:42" (3/3) ... [2021-10-11 00:21:42,636 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2021-10-11 00:21:42,655 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:21:42,660 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:21:42,668 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:21:42,689 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:21:42,689 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:21:42,689 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:21:42,689 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:21:42,689 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:21:42,690 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:21:42,690 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:21:42,690 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:21:42,706 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2021-10-11 00:21:42,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:21:42,712 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:42,712 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:42,713 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:42,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:42,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1471206820, now seen corresponding path program 1 times [2021-10-11 00:21:42,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:42,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731864663] [2021-10-11 00:21:42,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:43,082 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 00:21:43,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731864663] [2021-10-11 00:21:43,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:43,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:43,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322029993] [2021-10-11 00:21:43,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:21:43,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:43,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:21:43,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:21:43,109 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2021-10-11 00:21:43,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:43,166 INFO L93 Difference]: Finished difference Result 239 states and 366 transitions. [2021-10-11 00:21:43,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:21:43,168 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:21:43,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:43,190 INFO L225 Difference]: With dead ends: 239 [2021-10-11 00:21:43,190 INFO L226 Difference]: Without dead ends: 119 [2021-10-11 00:21:43,193 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 00:21:43,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-11 00:21:43,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-10-11 00:21:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-10-11 00:21:43,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2021-10-11 00:21:43,256 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2021-10-11 00:21:43,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:43,256 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2021-10-11 00:21:43,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:21:43,257 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2021-10-11 00:21:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:21:43,261 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:43,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:43,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:21:43,261 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:43,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:43,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1252370851, now seen corresponding path program 1 times [2021-10-11 00:21:43,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:43,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627099231] [2021-10-11 00:21:43,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:43,415 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 00:21:43,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627099231] [2021-10-11 00:21:43,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:43,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:43,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888496804] [2021-10-11 00:21:43,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:43,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:43,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:43,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:43,421 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand 3 states. [2021-10-11 00:21:43,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:43,444 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2021-10-11 00:21:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:43,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:21:43,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:43,448 INFO L225 Difference]: With dead ends: 119 [2021-10-11 00:21:43,448 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 00:21:43,450 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 00:21:43,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 00:21:43,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 00:21:43,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 00:21:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2021-10-11 00:21:43,461 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2021-10-11 00:21:43,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:43,461 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2021-10-11 00:21:43,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-10-11 00:21:43,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:21:43,463 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:43,464 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 00:21:43,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:21:43,465 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:43,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:43,465 INFO L82 PathProgramCache]: Analyzing trace with hash 70895168, now seen corresponding path program 1 times [2021-10-11 00:21:43,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:43,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212428660] [2021-10-11 00:21:43,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:43,622 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 00:21:43,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212428660] [2021-10-11 00:21:43,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:43,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:21:43,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259906704] [2021-10-11 00:21:43,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:21:43,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:43,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:43,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:43,628 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2021-10-11 00:21:43,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:43,713 INFO L93 Difference]: Finished difference Result 119 states and 177 transitions. [2021-10-11 00:21:43,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:21:43,713 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:21:43,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:43,716 INFO L225 Difference]: With dead ends: 119 [2021-10-11 00:21:43,717 INFO L226 Difference]: Without dead ends: 75 [2021-10-11 00:21:43,718 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 00:21:43,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-11 00:21:43,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2021-10-11 00:21:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 00:21:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-10-11 00:21:43,732 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 24 [2021-10-11 00:21:43,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:43,733 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-10-11 00:21:43,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:21:43,733 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-10-11 00:21:43,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:21:43,734 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:43,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:43,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:21:43,735 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:43,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:43,735 INFO L82 PathProgramCache]: Analyzing trace with hash 2090863582, now seen corresponding path program 1 times [2021-10-11 00:21:43,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:43,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508064922] [2021-10-11 00:21:43,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:43,841 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 00:21:43,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508064922] [2021-10-11 00:21:43,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:43,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:43,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363218189] [2021-10-11 00:21:43,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:43,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:43,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:43,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:43,844 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2021-10-11 00:21:43,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:43,887 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2021-10-11 00:21:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:43,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:21:43,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:43,889 INFO L225 Difference]: With dead ends: 157 [2021-10-11 00:21:43,890 INFO L226 Difference]: Without dead ends: 93 [2021-10-11 00:21:43,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:43,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-10-11 00:21:43,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2021-10-11 00:21:43,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-10-11 00:21:43,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2021-10-11 00:21:43,911 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 26 [2021-10-11 00:21:43,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:43,912 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2021-10-11 00:21:43,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2021-10-11 00:21:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:21:43,913 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:43,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:43,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:21:43,914 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:43,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:43,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1765382007, now seen corresponding path program 1 times [2021-10-11 00:21:43,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:43,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653303510] [2021-10-11 00:21:43,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:43,993 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 00:21:43,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653303510] [2021-10-11 00:21:43,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:43,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:21:43,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560876542] [2021-10-11 00:21:43,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:21:43,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:43,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:43,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:43,997 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand 5 states. [2021-10-11 00:21:44,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:44,100 INFO L93 Difference]: Finished difference Result 452 states and 663 transitions. [2021-10-11 00:21:44,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:21:44,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 00:21:44,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:44,103 INFO L225 Difference]: With dead ends: 452 [2021-10-11 00:21:44,103 INFO L226 Difference]: Without dead ends: 368 [2021-10-11 00:21:44,104 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 00:21:44,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-10-11 00:21:44,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 164. [2021-10-11 00:21:44,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2021-10-11 00:21:44,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 233 transitions. [2021-10-11 00:21:44,139 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 233 transitions. Word has length 27 [2021-10-11 00:21:44,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:44,139 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 233 transitions. [2021-10-11 00:21:44,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:21:44,139 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 233 transitions. [2021-10-11 00:21:44,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 00:21:44,141 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:44,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:44,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:21:44,141 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:44,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:44,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1095440129, now seen corresponding path program 1 times [2021-10-11 00:21:44,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:44,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199145178] [2021-10-11 00:21:44,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:44,248 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 00:21:44,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199145178] [2021-10-11 00:21:44,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:44,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:21:44,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960843221] [2021-10-11 00:21:44,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:21:44,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:44,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:44,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:44,251 INFO L87 Difference]: Start difference. First operand 164 states and 233 transitions. Second operand 5 states. [2021-10-11 00:21:44,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:44,387 INFO L93 Difference]: Finished difference Result 605 states and 865 transitions. [2021-10-11 00:21:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:21:44,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-10-11 00:21:44,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:44,390 INFO L225 Difference]: With dead ends: 605 [2021-10-11 00:21:44,391 INFO L226 Difference]: Without dead ends: 448 [2021-10-11 00:21:44,393 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 00:21:44,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-10-11 00:21:44,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 162. [2021-10-11 00:21:44,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2021-10-11 00:21:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2021-10-11 00:21:44,410 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 28 [2021-10-11 00:21:44,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:44,411 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2021-10-11 00:21:44,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:21:44,411 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2021-10-11 00:21:44,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:21:44,413 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:44,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:44,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:21:44,414 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:44,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:44,414 INFO L82 PathProgramCache]: Analyzing trace with hash 494548661, now seen corresponding path program 1 times [2021-10-11 00:21:44,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:44,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508699020] [2021-10-11 00:21:44,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:44,463 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 00:21:44,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508699020] [2021-10-11 00:21:44,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:44,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:21:44,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634834742] [2021-10-11 00:21:44,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:21:44,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:44,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:44,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:44,466 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand 5 states. [2021-10-11 00:21:44,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:44,548 INFO L93 Difference]: Finished difference Result 479 states and 665 transitions. [2021-10-11 00:21:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:21:44,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:21:44,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:44,551 INFO L225 Difference]: With dead ends: 479 [2021-10-11 00:21:44,551 INFO L226 Difference]: Without dead ends: 324 [2021-10-11 00:21:44,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:21:44,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-10-11 00:21:44,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 174. [2021-10-11 00:21:44,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2021-10-11 00:21:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2021-10-11 00:21:44,572 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 33 [2021-10-11 00:21:44,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:44,573 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2021-10-11 00:21:44,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:21:44,573 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2021-10-11 00:21:44,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:21:44,575 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:44,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:44,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:21:44,576 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:44,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:44,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1195613239, now seen corresponding path program 1 times [2021-10-11 00:21:44,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:44,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265520223] [2021-10-11 00:21:44,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:44,681 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 00:21:44,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265520223] [2021-10-11 00:21:44,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:44,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:21:44,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779696290] [2021-10-11 00:21:44,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:21:44,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:44,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:21:44,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:21:44,684 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand 6 states. [2021-10-11 00:21:44,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:44,832 INFO L93 Difference]: Finished difference Result 513 states and 699 transitions. [2021-10-11 00:21:44,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:21:44,833 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2021-10-11 00:21:44,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:44,836 INFO L225 Difference]: With dead ends: 513 [2021-10-11 00:21:44,838 INFO L226 Difference]: Without dead ends: 346 [2021-10-11 00:21:44,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-10-11 00:21:44,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-10-11 00:21:44,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 182. [2021-10-11 00:21:44,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2021-10-11 00:21:44,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2021-10-11 00:21:44,859 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 33 [2021-10-11 00:21:44,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:44,861 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2021-10-11 00:21:44,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:21:44,862 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2021-10-11 00:21:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:21:44,865 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:44,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:44,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:21:44,866 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:44,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:44,867 INFO L82 PathProgramCache]: Analyzing trace with hash 608807225, now seen corresponding path program 1 times [2021-10-11 00:21:44,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:44,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536513659] [2021-10-11 00:21:44,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:44,927 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 00:21:44,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536513659] [2021-10-11 00:21:44,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:44,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:44,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111929253] [2021-10-11 00:21:44,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:44,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:44,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:44,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:44,930 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand 3 states. [2021-10-11 00:21:44,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:44,976 INFO L93 Difference]: Finished difference Result 445 states and 603 transitions. [2021-10-11 00:21:44,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:44,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 00:21:44,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:44,979 INFO L225 Difference]: With dead ends: 445 [2021-10-11 00:21:44,979 INFO L226 Difference]: Without dead ends: 270 [2021-10-11 00:21:44,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:44,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-10-11 00:21:45,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2021-10-11 00:21:45,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2021-10-11 00:21:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 357 transitions. [2021-10-11 00:21:45,012 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 357 transitions. Word has length 33 [2021-10-11 00:21:45,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:45,012 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 357 transitions. [2021-10-11 00:21:45,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:45,012 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 357 transitions. [2021-10-11 00:21:45,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:21:45,013 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:45,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:45,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:21:45,014 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:45,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:45,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1791527943, now seen corresponding path program 1 times [2021-10-11 00:21:45,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:45,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607754890] [2021-10-11 00:21:45,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:45,066 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 00:21:45,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607754890] [2021-10-11 00:21:45,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:45,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:45,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013407788] [2021-10-11 00:21:45,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:45,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:45,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:45,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:45,069 INFO L87 Difference]: Start difference. First operand 270 states and 357 transitions. Second operand 3 states. [2021-10-11 00:21:45,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:45,124 INFO L93 Difference]: Finished difference Result 389 states and 516 transitions. [2021-10-11 00:21:45,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:45,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 00:21:45,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:45,127 INFO L225 Difference]: With dead ends: 389 [2021-10-11 00:21:45,127 INFO L226 Difference]: Without dead ends: 387 [2021-10-11 00:21:45,128 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 00:21:45,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-10-11 00:21:45,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 316. [2021-10-11 00:21:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2021-10-11 00:21:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 425 transitions. [2021-10-11 00:21:45,166 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 425 transitions. Word has length 34 [2021-10-11 00:21:45,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:45,166 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 425 transitions. [2021-10-11 00:21:45,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:45,167 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 425 transitions. [2021-10-11 00:21:45,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:21:45,168 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:45,168 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:45,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:21:45,169 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:45,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:45,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1315379813, now seen corresponding path program 1 times [2021-10-11 00:21:45,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:45,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636763045] [2021-10-11 00:21:45,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:45,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636763045] [2021-10-11 00:21:45,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:45,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:21:45,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793970810] [2021-10-11 00:21:45,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:21:45,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:45,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:21:45,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:21:45,284 INFO L87 Difference]: Start difference. First operand 316 states and 425 transitions. Second operand 6 states. [2021-10-11 00:21:45,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:45,697 INFO L93 Difference]: Finished difference Result 1729 states and 2372 transitions. [2021-10-11 00:21:45,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:21:45,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2021-10-11 00:21:45,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:45,706 INFO L225 Difference]: With dead ends: 1729 [2021-10-11 00:21:45,706 INFO L226 Difference]: Without dead ends: 1508 [2021-10-11 00:21:45,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-10-11 00:21:45,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2021-10-11 00:21:45,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 659. [2021-10-11 00:21:45,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2021-10-11 00:21:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 886 transitions. [2021-10-11 00:21:45,804 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 886 transitions. Word has length 58 [2021-10-11 00:21:45,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:45,806 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 886 transitions. [2021-10-11 00:21:45,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:21:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 886 transitions. [2021-10-11 00:21:45,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:21:45,808 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:45,808 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:45,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:21:45,809 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:45,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:45,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1573545251, now seen corresponding path program 1 times [2021-10-11 00:21:45,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:45,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505677054] [2021-10-11 00:21:45,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:21:45,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505677054] [2021-10-11 00:21:45,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:45,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:21:45,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216890627] [2021-10-11 00:21:45,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:21:45,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:45,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:21:45,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:21:45,916 INFO L87 Difference]: Start difference. First operand 659 states and 886 transitions. Second operand 7 states. [2021-10-11 00:21:46,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:46,080 INFO L93 Difference]: Finished difference Result 1322 states and 1767 transitions. [2021-10-11 00:21:46,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:21:46,080 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2021-10-11 00:21:46,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:46,085 INFO L225 Difference]: With dead ends: 1322 [2021-10-11 00:21:46,085 INFO L226 Difference]: Without dead ends: 758 [2021-10-11 00:21:46,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:21:46,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2021-10-11 00:21:46,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 366. [2021-10-11 00:21:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2021-10-11 00:21:46,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 473 transitions. [2021-10-11 00:21:46,138 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 473 transitions. Word has length 58 [2021-10-11 00:21:46,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:46,140 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 473 transitions. [2021-10-11 00:21:46,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:21:46,140 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 473 transitions. [2021-10-11 00:21:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:21:46,141 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:46,141 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:46,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:21:46,142 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:46,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:46,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1084126975, now seen corresponding path program 1 times [2021-10-11 00:21:46,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:46,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682037966] [2021-10-11 00:21:46,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:46,212 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:46,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682037966] [2021-10-11 00:21:46,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:46,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:21:46,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181656679] [2021-10-11 00:21:46,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:21:46,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:46,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:46,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:46,215 INFO L87 Difference]: Start difference. First operand 366 states and 473 transitions. Second operand 5 states. [2021-10-11 00:21:46,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:46,367 INFO L93 Difference]: Finished difference Result 634 states and 825 transitions. [2021-10-11 00:21:46,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:21:46,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2021-10-11 00:21:46,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:46,371 INFO L225 Difference]: With dead ends: 634 [2021-10-11 00:21:46,371 INFO L226 Difference]: Without dead ends: 363 [2021-10-11 00:21:46,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 00:21:46,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-10-11 00:21:46,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 359. [2021-10-11 00:21:46,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2021-10-11 00:21:46,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 456 transitions. [2021-10-11 00:21:46,417 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 456 transitions. Word has length 58 [2021-10-11 00:21:46,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:46,417 INFO L481 AbstractCegarLoop]: Abstraction has 359 states and 456 transitions. [2021-10-11 00:21:46,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:21:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 456 transitions. [2021-10-11 00:21:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-11 00:21:46,420 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:46,421 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:46,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:21:46,421 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:46,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:46,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1918630825, now seen corresponding path program 1 times [2021-10-11 00:21:46,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:46,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097530077] [2021-10-11 00:21:46,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-11 00:21:46,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097530077] [2021-10-11 00:21:46,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:46,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:46,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270254338] [2021-10-11 00:21:46,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:46,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:46,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:46,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:46,489 INFO L87 Difference]: Start difference. First operand 359 states and 456 transitions. Second operand 3 states. [2021-10-11 00:21:46,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:46,617 INFO L93 Difference]: Finished difference Result 707 states and 897 transitions. [2021-10-11 00:21:46,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:46,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-10-11 00:21:46,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:46,619 INFO L225 Difference]: With dead ends: 707 [2021-10-11 00:21:46,619 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:21:46,621 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 00:21:46,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:21:46,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:21:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:21:46,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:21:46,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-10-11 00:21:46,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:46,622 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:46,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:46,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:21:46,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:21:46,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-11 00:21:46,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:21:46,768 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-10-11 00:21:47,205 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 167 [2021-10-11 00:21:47,438 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 165 [2021-10-11 00:21:47,714 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 160 [2021-10-11 00:21:47,881 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 113 [2021-10-11 00:21:48,209 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 154 [2021-10-11 00:21:48,383 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 151 [2021-10-11 00:21:48,854 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 170 [2021-10-11 00:21:49,072 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 160 [2021-10-11 00:21:49,267 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 31 [2021-10-11 00:21:49,967 WARN L197 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 32 [2021-10-11 00:21:50,655 WARN L197 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2021-10-11 00:21:51,211 WARN L197 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 26 [2021-10-11 00:21:51,575 WARN L197 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2021-10-11 00:21:52,252 WARN L197 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 31 [2021-10-11 00:21:52,773 WARN L197 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 31 [2021-10-11 00:21:53,046 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 27 [2021-10-11 00:21:53,366 WARN L197 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 36 [2021-10-11 00:21:53,911 WARN L197 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 30 [2021-10-11 00:21:54,412 WARN L197 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2021-10-11 00:21:54,417 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2021-10-11 00:21:54,417 INFO L258 CegarLoopResult]: At program point L300(lines 285 303) the Hoare annotation is: false [2021-10-11 00:21:54,417 INFO L258 CegarLoopResult]: At program point L300-1(lines 285 303) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) .cse4 (<= 1 ~waterLevel~0) .cse5))) [2021-10-11 00:21:54,418 INFO L258 CegarLoopResult]: At program point L300-2(lines 285 303) the Hoare annotation is: false [2021-10-11 00:21:54,418 INFO L258 CegarLoopResult]: At program point L300-3(lines 285 303) the Hoare annotation is: false [2021-10-11 00:21:54,418 INFO L258 CegarLoopResult]: At program point L300-4(lines 285 303) the Hoare annotation is: false [2021-10-11 00:21:54,418 INFO L258 CegarLoopResult]: At program point L300-5(lines 285 303) the Hoare annotation is: false [2021-10-11 00:21:54,418 INFO L262 CegarLoopResult]: For program point L466(lines 466 483) no Hoare annotation was computed. [2021-10-11 00:21:54,418 INFO L258 CegarLoopResult]: At program point L466-1(lines 1 1000) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3) (and (not .cse1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3))) [2021-10-11 00:21:54,418 INFO L262 CegarLoopResult]: For program point L466-2(lines 466 483) no Hoare annotation was computed. [2021-10-11 00:21:54,418 INFO L258 CegarLoopResult]: At program point L466-3(lines 1 1000) the Hoare annotation is: false [2021-10-11 00:21:54,418 INFO L262 CegarLoopResult]: For program point L466-4(lines 466 483) no Hoare annotation was computed. [2021-10-11 00:21:54,418 INFO L258 CegarLoopResult]: At program point L466-5(lines 1 1000) the Hoare annotation is: false [2021-10-11 00:21:54,418 INFO L262 CegarLoopResult]: For program point L434(lines 434 441) no Hoare annotation was computed. [2021-10-11 00:21:54,419 INFO L265 CegarLoopResult]: At program point L434-1(lines 434 441) the Hoare annotation is: true [2021-10-11 00:21:54,419 INFO L262 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2021-10-11 00:21:54,419 INFO L262 CegarLoopResult]: For program point L170-1(lines 170 178) no Hoare annotation was computed. [2021-10-11 00:21:54,419 INFO L262 CegarLoopResult]: For program point L170-2(lines 170 178) no Hoare annotation was computed. [2021-10-11 00:21:54,419 INFO L262 CegarLoopResult]: For program point L170-3(lines 170 178) no Hoare annotation was computed. [2021-10-11 00:21:54,419 INFO L262 CegarLoopResult]: For program point L170-4(lines 170 178) no Hoare annotation was computed. [2021-10-11 00:21:54,419 INFO L262 CegarLoopResult]: For program point L170-5(lines 170 178) no Hoare annotation was computed. [2021-10-11 00:21:54,419 INFO L258 CegarLoopResult]: At program point L567(lines 562 570) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2) (and (= ~methaneLevelCritical~0 0) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 .cse4 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2))) [2021-10-11 00:21:54,419 INFO L258 CegarLoopResult]: At program point L567-1(lines 562 570) the Hoare annotation is: false [2021-10-11 00:21:54,420 INFO L258 CegarLoopResult]: At program point L567-2(lines 562 570) the Hoare annotation is: false [2021-10-11 00:21:54,420 INFO L262 CegarLoopResult]: For program point L997(line 997) no Hoare annotation was computed. [2021-10-11 00:21:54,420 INFO L262 CegarLoopResult]: For program point L997-1(line 997) no Hoare annotation was computed. [2021-10-11 00:21:54,420 INFO L262 CegarLoopResult]: For program point L997-2(line 997) no Hoare annotation was computed. [2021-10-11 00:21:54,420 INFO L262 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2021-10-11 00:21:54,420 INFO L262 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2021-10-11 00:21:54,420 INFO L262 CegarLoopResult]: For program point L470-4(lines 470 480) no Hoare annotation was computed. [2021-10-11 00:21:54,420 INFO L262 CegarLoopResult]: For program point L471(lines 471 477) no Hoare annotation was computed. [2021-10-11 00:21:54,420 INFO L262 CegarLoopResult]: For program point L471-2(lines 471 477) no Hoare annotation was computed. [2021-10-11 00:21:54,420 INFO L262 CegarLoopResult]: For program point L471-4(lines 471 477) no Hoare annotation was computed. [2021-10-11 00:21:54,420 INFO L258 CegarLoopResult]: At program point L141(lines 141 147) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2) (and (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2))) [2021-10-11 00:21:54,421 INFO L258 CegarLoopResult]: At program point L108(lines 57 109) the Hoare annotation is: false [2021-10-11 00:21:54,421 INFO L258 CegarLoopResult]: At program point L141-1(lines 141 147) the Hoare annotation is: false [2021-10-11 00:21:54,421 INFO L258 CegarLoopResult]: At program point L141-2(lines 141 147) the Hoare annotation is: false [2021-10-11 00:21:54,421 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2021-10-11 00:21:54,421 INFO L258 CegarLoopResult]: At program point L406(lines 402 408) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:21:54,421 INFO L262 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2021-10-11 00:21:54,421 INFO L258 CegarLoopResult]: At program point L78-1(lines 78 84) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3) (and (not .cse1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3))) [2021-10-11 00:21:54,421 INFO L262 CegarLoopResult]: For program point L607(lines 607 613) no Hoare annotation was computed. [2021-10-11 00:21:54,421 INFO L262 CegarLoopResult]: For program point L607-1(lines 607 613) no Hoare annotation was computed. [2021-10-11 00:21:54,422 INFO L262 CegarLoopResult]: For program point L607-2(lines 607 613) no Hoare annotation was computed. [2021-10-11 00:21:54,422 INFO L262 CegarLoopResult]: For program point L607-3(lines 607 613) no Hoare annotation was computed. [2021-10-11 00:21:54,422 INFO L262 CegarLoopResult]: For program point L607-4(lines 607 613) no Hoare annotation was computed. [2021-10-11 00:21:54,422 INFO L262 CegarLoopResult]: For program point L607-5(lines 607 613) no Hoare annotation was computed. [2021-10-11 00:21:54,422 INFO L262 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2021-10-11 00:21:54,422 INFO L265 CegarLoopResult]: At program point L443(lines 424 446) the Hoare annotation is: true [2021-10-11 00:21:54,422 INFO L258 CegarLoopResult]: At program point L245(lines 240 248) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3) (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse2 (<= 1 ~waterLevel~0) .cse3))) [2021-10-11 00:21:54,422 INFO L258 CegarLoopResult]: At program point L245-1(lines 240 248) the Hoare annotation is: false [2021-10-11 00:21:54,422 INFO L258 CegarLoopResult]: At program point L245-2(lines 240 248) the Hoare annotation is: false [2021-10-11 00:21:54,422 INFO L258 CegarLoopResult]: At program point L510(lines 1 1000) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:21:54,422 INFO L262 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2021-10-11 00:21:54,423 INFO L262 CegarLoopResult]: For program point L313-2(lines 313 317) no Hoare annotation was computed. [2021-10-11 00:21:54,423 INFO L262 CegarLoopResult]: For program point L313-3(lines 313 317) no Hoare annotation was computed. [2021-10-11 00:21:54,423 INFO L262 CegarLoopResult]: For program point L313-5(lines 313 317) no Hoare annotation was computed. [2021-10-11 00:21:54,423 INFO L262 CegarLoopResult]: For program point L313-6(lines 313 317) no Hoare annotation was computed. [2021-10-11 00:21:54,423 INFO L262 CegarLoopResult]: For program point L313-8(lines 313 317) no Hoare annotation was computed. [2021-10-11 00:21:54,423 INFO L258 CegarLoopResult]: At program point L612(lines 603 616) the Hoare annotation is: false [2021-10-11 00:21:54,423 INFO L258 CegarLoopResult]: At program point L612-1(lines 603 616) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-10-11 00:21:54,423 INFO L258 CegarLoopResult]: At program point L612-2(lines 603 616) the Hoare annotation is: false [2021-10-11 00:21:54,423 INFO L258 CegarLoopResult]: At program point L612-3(lines 603 616) the Hoare annotation is: false [2021-10-11 00:21:54,423 INFO L258 CegarLoopResult]: At program point L612-4(lines 603 616) the Hoare annotation is: false [2021-10-11 00:21:54,423 INFO L258 CegarLoopResult]: At program point L612-5(lines 603 616) the Hoare annotation is: false [2021-10-11 00:21:54,424 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:21:54,424 INFO L258 CegarLoopResult]: At program point L319(lines 304 322) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~4 1)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (not (= ~pumpRunning~0 0)) (<= ULTIMATE.start_isLowWaterLevel_~tmp~4 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:21:54,424 INFO L258 CegarLoopResult]: At program point L319-1(lines 304 322) the Hoare annotation is: false [2021-10-11 00:21:54,424 INFO L258 CegarLoopResult]: At program point L319-2(lines 304 322) the Hoare annotation is: false [2021-10-11 00:21:54,424 INFO L262 CegarLoopResult]: For program point L88(lines 88 103) no Hoare annotation was computed. [2021-10-11 00:21:54,424 INFO L258 CegarLoopResult]: At program point L518(lines 513 521) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:21:54,424 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:21:54,424 INFO L262 CegarLoopResult]: For program point L554(lines 554 558) no Hoare annotation was computed. [2021-10-11 00:21:54,424 INFO L258 CegarLoopResult]: At program point L455(lines 450 457) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:21:54,425 INFO L262 CegarLoopResult]: For program point L59(lines 58 107) no Hoare annotation was computed. [2021-10-11 00:21:54,425 INFO L262 CegarLoopResult]: For program point L192(lines 192 209) no Hoare annotation was computed. [2021-10-11 00:21:54,425 INFO L262 CegarLoopResult]: For program point L192-1(lines 192 209) no Hoare annotation was computed. [2021-10-11 00:21:54,425 INFO L262 CegarLoopResult]: For program point L192-2(lines 192 209) no Hoare annotation was computed. [2021-10-11 00:21:54,425 INFO L262 CegarLoopResult]: For program point L60(lines 60 64) no Hoare annotation was computed. [2021-10-11 00:21:54,425 INFO L258 CegarLoopResult]: At program point L622(lines 617 625) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:21:54,425 INFO L258 CegarLoopResult]: At program point L622-1(lines 617 625) the Hoare annotation is: false [2021-10-11 00:21:54,425 INFO L258 CegarLoopResult]: At program point L622-2(lines 617 625) the Hoare annotation is: false [2021-10-11 00:21:54,425 INFO L258 CegarLoopResult]: At program point L358-2(lines 358 372) the Hoare annotation is: false [2021-10-11 00:21:54,425 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:21:54,425 INFO L262 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2021-10-11 00:21:54,425 INFO L262 CegarLoopResult]: For program point L327(lines 327 333) no Hoare annotation was computed. [2021-10-11 00:21:54,426 INFO L258 CegarLoopResult]: At program point L327-1(lines 327 333) the Hoare annotation is: (let ((.cse2 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse2 (= ~methAndRunningLastTime~0 0) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse4))) [2021-10-11 00:21:54,426 INFO L262 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2021-10-11 00:21:54,426 INFO L262 CegarLoopResult]: For program point L294-2(lines 294 298) no Hoare annotation was computed. [2021-10-11 00:21:54,426 INFO L262 CegarLoopResult]: For program point L294-3(lines 294 298) no Hoare annotation was computed. [2021-10-11 00:21:54,426 INFO L262 CegarLoopResult]: For program point L294-5(lines 294 298) no Hoare annotation was computed. [2021-10-11 00:21:54,426 INFO L262 CegarLoopResult]: For program point L96(lines 96 102) no Hoare annotation was computed. [2021-10-11 00:21:54,426 INFO L262 CegarLoopResult]: For program point L294-6(lines 294 298) no Hoare annotation was computed. [2021-10-11 00:21:54,426 INFO L258 CegarLoopResult]: At program point L96-1(lines 134 140) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not .cse1) .cse2 .cse3 .cse4 .cse5) (and .cse3 .cse0 .cse4 .cse6 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse1 .cse2 .cse3 .cse0 .cse4 .cse5) (and (= ~methaneLevelCritical~0 0) .cse1 .cse3 .cse0 .cse6 .cse4 .cse5))) [2021-10-11 00:21:54,426 INFO L262 CegarLoopResult]: For program point L294-8(lines 294 298) no Hoare annotation was computed. [2021-10-11 00:21:54,426 INFO L262 CegarLoopResult]: For program point L294-9(lines 294 298) no Hoare annotation was computed. [2021-10-11 00:21:54,427 INFO L262 CegarLoopResult]: For program point L294-11(lines 294 298) no Hoare annotation was computed. [2021-10-11 00:21:54,427 INFO L262 CegarLoopResult]: For program point L294-12(lines 294 298) no Hoare annotation was computed. [2021-10-11 00:21:54,427 INFO L262 CegarLoopResult]: For program point L294-14(lines 294 298) no Hoare annotation was computed. [2021-10-11 00:21:54,427 INFO L262 CegarLoopResult]: For program point L294-15(lines 294 298) no Hoare annotation was computed. [2021-10-11 00:21:54,427 INFO L262 CegarLoopResult]: For program point L294-17(lines 294 298) no Hoare annotation was computed. [2021-10-11 00:21:54,427 INFO L262 CegarLoopResult]: For program point L196(lines 196 204) no Hoare annotation was computed. [2021-10-11 00:21:54,427 INFO L262 CegarLoopResult]: For program point L196-1(lines 196 204) no Hoare annotation was computed. [2021-10-11 00:21:54,427 INFO L262 CegarLoopResult]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2021-10-11 00:21:54,427 INFO L262 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2021-10-11 00:21:54,427 INFO L262 CegarLoopResult]: For program point L362-1(lines 134 140) no Hoare annotation was computed. [2021-10-11 00:21:54,427 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:21:54,427 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2021-10-11 00:21:54,427 INFO L262 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2021-10-11 00:21:54,428 INFO L262 CegarLoopResult]: For program point L166-1(lines 166 183) no Hoare annotation was computed. [2021-10-11 00:21:54,428 INFO L262 CegarLoopResult]: For program point L166-2(lines 166 183) no Hoare annotation was computed. [2021-10-11 00:21:54,428 INFO L262 CegarLoopResult]: For program point L166-3(lines 166 183) no Hoare annotation was computed. [2021-10-11 00:21:54,428 INFO L262 CegarLoopResult]: For program point L166-4(lines 166 183) no Hoare annotation was computed. [2021-10-11 00:21:54,428 INFO L262 CegarLoopResult]: For program point L166-5(lines 166 183) no Hoare annotation was computed. [2021-10-11 00:21:54,428 INFO L262 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2021-10-11 00:21:54,428 INFO L262 CegarLoopResult]: For program point L530-3(lines 530 534) no Hoare annotation was computed. [2021-10-11 00:21:54,428 INFO L262 CegarLoopResult]: For program point L530-6(lines 530 534) no Hoare annotation was computed. [2021-10-11 00:21:54,428 INFO L258 CegarLoopResult]: At program point L134(lines 133 152) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse2 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse5 (<= 2 ~waterLevel~0) .cse0 .cse1 .cse3 .cse4) (and (not .cse1) (not .cse5) .cse0 .cse3 .cse2 .cse4))) [2021-10-11 00:21:54,428 INFO L262 CegarLoopResult]: For program point L134-1(lines 134 140) no Hoare annotation was computed. [2021-10-11 00:21:54,428 INFO L262 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2021-10-11 00:21:54,428 INFO L258 CegarLoopResult]: At program point L134-2(lines 133 152) the Hoare annotation is: false [2021-10-11 00:21:54,429 INFO L258 CegarLoopResult]: At program point L68-1(lines 68 74) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3) (and (not .cse1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3))) [2021-10-11 00:21:54,429 INFO L258 CegarLoopResult]: At program point L134-3(lines 133 152) the Hoare annotation is: false [2021-10-11 00:21:54,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:21:54 BoogieIcfgContainer [2021-10-11 00:21:54,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:21:54,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:21:54,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:21:54,484 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:21:54,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:42" (3/4) ... [2021-10-11 00:21:54,487 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:21:54,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:21:54,516 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:21:54,524 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:21:54,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:21:54,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:21:54,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:54,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:54,554 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-10-11 00:21:54,555 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-10-11 00:21:54,555 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-10-11 00:21:54,555 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:21:54,557 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:21:54,558 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:21:54,559 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((0 == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && 0 == systemActive) && tmp == 1) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:21:54,560 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && tmp == 1) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((0 == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-10-11 00:21:54,560 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2021-10-11 00:21:54,560 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 0 && tmp == 1) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:21:54,562 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2021-10-11 00:21:54,563 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result <= 0 && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-10-11 00:21:54,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:21:54,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-10-11 00:21:54,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result <= 0 && !(tmp___0 == 0)) && 0 < tmp + 1) && !(\result == 0)) && !(pumpRunning == 0)) && tmp <= 0) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-10-11 00:21:54,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp___0 == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-10-11 00:21:54,660 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af3f4cc-9a2b-4fba-ae48-89969ff50e61/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:21:54,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:21:54,661 INFO L168 Benchmark]: Toolchain (without parser) took 14234.92 ms. Allocated memory was 92.3 MB in the beginning and 299.9 MB in the end (delta: 207.6 MB). Free memory was 55.4 MB in the beginning and 207.1 MB in the end (delta: -151.7 MB). Peak memory consumption was 55.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:54,661 INFO L168 Benchmark]: CDTParser took 1.19 ms. Allocated memory is still 92.3 MB. Free memory is still 73.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:54,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.16 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 55.2 MB in the beginning and 95.3 MB in the end (delta: -40.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:54,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.10 ms. Allocated memory is still 130.0 MB. Free memory was 95.3 MB in the beginning and 91.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:54,662 INFO L168 Benchmark]: Boogie Preprocessor took 63.45 ms. Allocated memory is still 130.0 MB. Free memory was 91.9 MB in the beginning and 89.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:54,662 INFO L168 Benchmark]: RCFGBuilder took 1283.78 ms. Allocated memory is still 130.0 MB. Free memory was 89.0 MB in the beginning and 83.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 46.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:54,663 INFO L168 Benchmark]: TraceAbstraction took 11855.18 ms. Allocated memory was 130.0 MB in the beginning and 299.9 MB in the end (delta: 169.9 MB). Free memory was 83.9 MB in the beginning and 217.6 MB in the end (delta: -133.7 MB). Peak memory consumption was 161.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:54,663 INFO L168 Benchmark]: Witness Printer took 176.39 ms. Allocated memory is still 299.9 MB. Free memory was 217.6 MB in the beginning and 207.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:54,666 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 ms. Allocated memory is still 92.3 MB. Free memory is still 73.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 769.16 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 55.2 MB in the beginning and 95.3 MB in the end (delta: -40.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.10 ms. Allocated memory is still 130.0 MB. Free memory was 95.3 MB in the beginning and 91.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.45 ms. Allocated memory is still 130.0 MB. Free memory was 91.9 MB in the beginning and 89.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1283.78 ms. Allocated memory is still 130.0 MB. Free memory was 89.0 MB in the beginning and 83.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 46.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11855.18 ms. Allocated memory was 130.0 MB in the beginning and 299.9 MB in the end (delta: 169.9 MB). Free memory was 83.9 MB in the beginning and 217.6 MB in the end (delta: -133.7 MB). Peak memory consumption was 161.1 MB. Max. memory is 16.1 GB. * Witness Printer took 176.39 ms. Allocated memory is still 299.9 MB. Free memory was 217.6 MB in the beginning and 207.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 997]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 997]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 997]: 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: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((((((((((\result <= 0 && !(tmp___0 == 0)) && 0 < tmp + 1) && !(\result == 0)) && !(pumpRunning == 0)) && tmp <= 0) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((0 == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && 0 == systemActive) && tmp == 1) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && tmp == 1) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: ((((((\result <= 0 && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && tmp == 1) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((0 == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp___0 == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1407 SDtfs, 2175 SDslu, 2127 SDs, 0 SdLazy, 268 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=659occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 2126 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 188 NumberOfFragments, 829 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1644276 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 45 FomulaSimplificationsInter, 131331 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 35144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 82/82 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...