./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.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_7635fea5-916a-4260-9487-7df511c697d8/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7635fea5-916a-4260-9487-7df511c697d8/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_7635fea5-916a-4260-9487-7df511c697d8/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7635fea5-916a-4260-9487-7df511c697d8/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7635fea5-916a-4260-9487-7df511c697d8/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_7635fea5-916a-4260-9487-7df511c697d8/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 c57429e002f9d5550c9a9653029ab3d1b9a653f9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:25:17,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:25:17,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:25:17,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:25:17,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:25:17,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:25:17,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:25:17,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:25:17,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:25:17,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:25:17,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:25:17,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:25:17,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:25:17,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:25:17,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:25:18,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:25:18,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:25:18,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:25:18,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:25:18,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:25:18,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:25:18,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:25:18,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:25:18,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:25:18,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:25:18,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:25:18,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:25:18,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:25:18,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:25:18,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:25:18,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:25:18,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:25:18,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:25:18,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:25:18,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:25:18,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:25:18,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:25:18,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:25:18,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:25:18,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:25:18,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:25:18,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7635fea5-916a-4260-9487-7df511c697d8/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:25:18,097 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:25:18,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:25:18,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:25:18,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:25:18,099 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:25:18,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:25:18,100 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:25:18,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:25:18,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:25:18,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:25:18,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:25:18,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:25:18,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:25:18,101 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:25:18,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:25:18,108 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:25:18,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:25:18,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:25:18,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:25:18,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:25:18,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:25:18,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:25:18,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:25:18,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:25:18,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:25:18,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:25:18,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:25:18,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:25:18,112 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_7635fea5-916a-4260-9487-7df511c697d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7635fea5-916a-4260-9487-7df511c697d8/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c57429e002f9d5550c9a9653029ab3d1b9a653f9 [2021-10-11 00:25:18,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:25:18,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:25:18,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:25:18,461 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:25:18,462 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:25:18,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7635fea5-916a-4260-9487-7df511c697d8/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-10-11 00:25:18,557 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7635fea5-916a-4260-9487-7df511c697d8/bin/uautomizer-Z5i5R5N3CC/data/142521dd8/81160f5fd5a34b5c9a233fb38cb306f9/FLAG2a72b253b [2021-10-11 00:25:19,201 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:25:19,202 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7635fea5-916a-4260-9487-7df511c697d8/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-10-11 00:25:19,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7635fea5-916a-4260-9487-7df511c697d8/bin/uautomizer-Z5i5R5N3CC/data/142521dd8/81160f5fd5a34b5c9a233fb38cb306f9/FLAG2a72b253b [2021-10-11 00:25:19,440 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7635fea5-916a-4260-9487-7df511c697d8/bin/uautomizer-Z5i5R5N3CC/data/142521dd8/81160f5fd5a34b5c9a233fb38cb306f9 [2021-10-11 00:25:19,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:25:19,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:25:19,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:25:19,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:25:19,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:25:19,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:19" (1/1) ... [2021-10-11 00:25:19,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c95f7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:19, skipping insertion in model container [2021-10-11 00:25:19,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:19" (1/1) ... [2021-10-11 00:25:19,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:25:19,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:25:19,816 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_7635fea5-916a-4260-9487-7df511c697d8/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[6849,6862] [2021-10-11 00:25:19,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:25:19,885 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:25:19,923 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_7635fea5-916a-4260-9487-7df511c697d8/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[6849,6862] [2021-10-11 00:25:19,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:25:19,986 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:25:19,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:19 WrapperNode [2021-10-11 00:25:19,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:25:19,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:25:19,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:25:19,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:25:19,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:19" (1/1) ... [2021-10-11 00:25:20,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:19" (1/1) ... [2021-10-11 00:25:20,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:25:20,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:25:20,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:25:20,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:25:20,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:19" (1/1) ... [2021-10-11 00:25:20,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:19" (1/1) ... [2021-10-11 00:25:20,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:19" (1/1) ... [2021-10-11 00:25:20,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:19" (1/1) ... [2021-10-11 00:25:20,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:19" (1/1) ... [2021-10-11 00:25:20,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:19" (1/1) ... [2021-10-11 00:25:20,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:19" (1/1) ... [2021-10-11 00:25:20,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:25:20,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:25:20,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:25:20,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:25:20,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:19" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7635fea5-916a-4260-9487-7df511c697d8/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 00:25:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:25:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:25:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:25:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:25:21,388 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:25:21,388 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-11 00:25:21,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:21 BoogieIcfgContainer [2021-10-11 00:25:21,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:25:21,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:25:21,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:25:21,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:25:21,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:25:19" (1/3) ... [2021-10-11 00:25:21,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b4139e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:21, skipping insertion in model container [2021-10-11 00:25:21,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:19" (2/3) ... [2021-10-11 00:25:21,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b4139e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:21, skipping insertion in model container [2021-10-11 00:25:21,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:21" (3/3) ... [2021-10-11 00:25:21,401 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2021-10-11 00:25:21,416 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:25:21,420 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:25:21,432 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:25:21,489 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:25:21,489 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:25:21,489 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:25:21,490 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:25:21,490 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:25:21,490 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:25:21,490 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:25:21,491 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:25:21,512 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2021-10-11 00:25:21,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:25:21,529 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:21,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:21,531 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:21,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:21,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2021-10-11 00:25:21,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:21,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651284129] [2021-10-11 00:25:21,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:22,008 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 00:25:22,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651284129] [2021-10-11 00:25:22,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:22,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:25:22,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132052352] [2021-10-11 00:25:22,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:25:22,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:22,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:25:22,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:25:22,036 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2021-10-11 00:25:22,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:22,063 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-11 00:25:22,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:25:22,065 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:25:22,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:22,076 INFO L225 Difference]: With dead ends: 108 [2021-10-11 00:25:22,076 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 00:25:22,080 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 00:25:22,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 00:25:22,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 00:25:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 00:25:22,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-11 00:25:22,136 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-11 00:25:22,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:22,137 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-11 00:25:22,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:25:22,137 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-11 00:25:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:25:22,142 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:22,142 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:22,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:25:22,143 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:22,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:22,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2021-10-11 00:25:22,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:22,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771555103] [2021-10-11 00:25:22,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:22,337 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 00:25:22,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771555103] [2021-10-11 00:25:22,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:22,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:25:22,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796413076] [2021-10-11 00:25:22,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:22,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:22,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:22,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:22,347 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2021-10-11 00:25:22,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:22,367 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-11 00:25:22,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:22,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:25:22,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:22,370 INFO L225 Difference]: With dead ends: 53 [2021-10-11 00:25:22,370 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 00:25:22,372 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 00:25:22,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 00:25:22,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-11 00:25:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-11 00:25:22,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-11 00:25:22,385 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-11 00:25:22,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:22,385 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-11 00:25:22,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-11 00:25:22,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:25:22,389 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:22,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:22,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:25:22,389 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:22,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:22,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2021-10-11 00:25:22,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:22,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123986345] [2021-10-11 00:25:22,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:25:22,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123986345] [2021-10-11 00:25:22,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:22,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:25:22,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062810328] [2021-10-11 00:25:22,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:25:22,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:22,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:25:22,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:25:22,537 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2021-10-11 00:25:22,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:22,635 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2021-10-11 00:25:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:25:22,635 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 00:25:22,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:22,637 INFO L225 Difference]: With dead ends: 109 [2021-10-11 00:25:22,637 INFO L226 Difference]: Without dead ends: 88 [2021-10-11 00:25:22,638 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 00:25:22,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-10-11 00:25:22,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2021-10-11 00:25:22,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-10-11 00:25:22,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2021-10-11 00:25:22,647 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2021-10-11 00:25:22,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:22,648 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2021-10-11 00:25:22,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:25:22,648 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2021-10-11 00:25:22,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:25:22,649 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:22,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:22,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:25:22,650 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:22,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:22,650 INFO L82 PathProgramCache]: Analyzing trace with hash 703007878, now seen corresponding path program 1 times [2021-10-11 00:25:22,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:22,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000892239] [2021-10-11 00:25:22,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:22,717 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 00:25:22,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000892239] [2021-10-11 00:25:22,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:22,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:25:22,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479651948] [2021-10-11 00:25:22,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:25:22,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:22,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:25:22,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:25:22,720 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2021-10-11 00:25:22,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:22,770 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2021-10-11 00:25:22,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:25:22,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 00:25:22,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:22,772 INFO L225 Difference]: With dead ends: 130 [2021-10-11 00:25:22,772 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:25:22,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:25:22,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:25:22,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:25:22,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:25:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:25:22,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-11 00:25:22,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:22,775 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:25:22,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:25:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:25:22,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:25:22,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:25:22,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:25:23,005 INFO L262 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2021-10-11 00:25:23,005 INFO L262 CegarLoopResult]: For program point L349-2(lines 349 355) no Hoare annotation was computed. [2021-10-11 00:25:23,005 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 483) no Hoare annotation was computed. [2021-10-11 00:25:23,006 INFO L262 CegarLoopResult]: For program point L349-4(lines 349 355) no Hoare annotation was computed. [2021-10-11 00:25:23,006 INFO L258 CegarLoopResult]: At program point L168(lines 168 174) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:25:23,006 INFO L258 CegarLoopResult]: At program point L168-1(lines 168 174) the Hoare annotation is: false [2021-10-11 00:25:23,006 INFO L258 CegarLoopResult]: At program point L168-2(lines 168 174) the Hoare annotation is: false [2021-10-11 00:25:23,006 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:25:23,007 INFO L262 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:25:23,007 INFO L258 CegarLoopResult]: At program point L317-2(lines 161 167) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:25:23,007 INFO L262 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2021-10-11 00:25:23,008 INFO L262 CegarLoopResult]: For program point L483-1(line 483) no Hoare annotation was computed. [2021-10-11 00:25:23,008 INFO L262 CegarLoopResult]: For program point L417(lines 417 421) no Hoare annotation was computed. [2021-10-11 00:25:23,008 INFO L262 CegarLoopResult]: For program point L483-2(line 483) no Hoare annotation was computed. [2021-10-11 00:25:23,008 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 00:25:23,008 INFO L258 CegarLoopResult]: At program point L385(lines 1 852) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:25:23,009 INFO L258 CegarLoopResult]: At program point L220(lines 215 223) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:25:23,010 INFO L258 CegarLoopResult]: At program point L220-1(lines 215 223) the Hoare annotation is: false [2021-10-11 00:25:23,010 INFO L258 CegarLoopResult]: At program point L220-2(lines 215 223) the Hoare annotation is: false [2021-10-11 00:25:23,010 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 00:25:23,010 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:25:23,010 INFO L262 CegarLoopResult]: For program point L289(lines 289 295) no Hoare annotation was computed. [2021-10-11 00:25:23,011 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:25:23,011 INFO L258 CegarLoopResult]: At program point L289-1(lines 289 295) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:25:23,011 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 00:25:23,011 INFO L262 CegarLoopResult]: For program point L58-1(lines 161 167) no Hoare annotation was computed. [2021-10-11 00:25:23,011 INFO L262 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2021-10-11 00:25:23,011 INFO L262 CegarLoopResult]: For program point L405-3(lines 405 409) no Hoare annotation was computed. [2021-10-11 00:25:23,012 INFO L262 CegarLoopResult]: For program point L405-6(lines 405 409) no Hoare annotation was computed. [2021-10-11 00:25:23,012 INFO L265 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-11 00:25:23,012 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 483) no Hoare annotation was computed. [2021-10-11 00:25:23,012 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:25:23,012 INFO L262 CegarLoopResult]: For program point L309(lines 309 322) no Hoare annotation was computed. [2021-10-11 00:25:23,013 INFO L258 CegarLoopResult]: At program point L161(lines 160 179) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:25:23,013 INFO L262 CegarLoopResult]: For program point L161-1(lines 161 167) no Hoare annotation was computed. [2021-10-11 00:25:23,013 INFO L258 CegarLoopResult]: At program point L161-2(lines 160 179) the Hoare annotation is: false [2021-10-11 00:25:23,014 INFO L258 CegarLoopResult]: At program point L161-3(lines 160 179) the Hoare annotation is: false [2021-10-11 00:25:23,014 INFO L258 CegarLoopResult]: At program point L442(lines 437 445) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:25:23,014 INFO L258 CegarLoopResult]: At program point L442-1(lines 437 445) the Hoare annotation is: false [2021-10-11 00:25:23,014 INFO L258 CegarLoopResult]: At program point L442-2(lines 437 445) the Hoare annotation is: false [2021-10-11 00:25:23,015 INFO L258 CegarLoopResult]: At program point L393(lines 388 396) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:25:23,015 INFO L258 CegarLoopResult]: At program point L327(lines 278 328) the Hoare annotation is: false [2021-10-11 00:25:23,015 INFO L262 CegarLoopResult]: For program point L345(lines 345 358) no Hoare annotation was computed. [2021-10-11 00:25:23,015 INFO L258 CegarLoopResult]: At program point L345-1(lines 1 852) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:25:23,015 INFO L262 CegarLoopResult]: For program point L345-2(lines 345 358) no Hoare annotation was computed. [2021-10-11 00:25:23,015 INFO L258 CegarLoopResult]: At program point L345-3(lines 1 852) the Hoare annotation is: false [2021-10-11 00:25:23,016 INFO L262 CegarLoopResult]: For program point L345-4(lines 345 358) no Hoare annotation was computed. [2021-10-11 00:25:23,016 INFO L258 CegarLoopResult]: At program point L345-5(lines 1 852) the Hoare annotation is: false [2021-10-11 00:25:23,016 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:25:23,016 INFO L262 CegarLoopResult]: For program point L280(lines 279 326) no Hoare annotation was computed. [2021-10-11 00:25:23,016 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 483) no Hoare annotation was computed. [2021-10-11 00:25:23,017 INFO L262 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2021-10-11 00:25:23,017 INFO L262 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-11 00:25:23,017 INFO L265 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-11 00:25:23,017 INFO L262 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2021-10-11 00:25:23,017 INFO L262 CegarLoopResult]: For program point L299(lines 299 305) no Hoare annotation was computed. [2021-10-11 00:25:23,018 INFO L258 CegarLoopResult]: At program point L299-1(lines 299 305) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:25:23,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:25:23 BoogieIcfgContainer [2021-10-11 00:25:23,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:25:23,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:25:23,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:25:23,043 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:25:23,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:21" (3/4) ... [2021-10-11 00:25:23,047 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:25:23,069 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:25:23,070 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:25:23,070 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:25:23,071 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:25:23,072 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:25:23,076 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:25:23,076 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:25:23,109 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:25:23,166 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7635fea5-916a-4260-9487-7df511c697d8/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:25:23,166 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:25:23,168 INFO L168 Benchmark]: Toolchain (without parser) took 3723.26 ms. Allocated memory was 134.2 MB in the beginning and 161.5 MB in the end (delta: 27.3 MB). Free memory was 98.7 MB in the beginning and 116.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:23,169 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 79.7 MB. Free memory was 40.5 MB in the beginning and 40.4 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:25:23,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.44 ms. Allocated memory is still 134.2 MB. Free memory was 98.5 MB in the beginning and 98.9 MB in the end (delta: -472.2 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:23,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.44 ms. Allocated memory is still 134.2 MB. Free memory was 98.9 MB in the beginning and 96.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:23,171 INFO L168 Benchmark]: Boogie Preprocessor took 83.34 ms. Allocated memory is still 134.2 MB. Free memory was 96.1 MB in the beginning and 94.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:23,171 INFO L168 Benchmark]: RCFGBuilder took 1218.76 ms. Allocated memory is still 134.2 MB. Free memory was 94.0 MB in the beginning and 47.9 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:23,172 INFO L168 Benchmark]: TraceAbstraction took 1649.22 ms. Allocated memory was 134.2 MB in the beginning and 161.5 MB in the end (delta: 27.3 MB). Free memory was 47.9 MB in the beginning and 121.8 MB in the end (delta: -73.9 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:23,179 INFO L168 Benchmark]: Witness Printer took 123.87 ms. Allocated memory is still 161.5 MB. Free memory was 121.8 MB in the beginning and 116.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:23,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 79.7 MB. Free memory was 40.5 MB in the beginning and 40.4 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 540.44 ms. Allocated memory is still 134.2 MB. Free memory was 98.5 MB in the beginning and 98.9 MB in the end (delta: -472.2 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.44 ms. Allocated memory is still 134.2 MB. Free memory was 98.9 MB in the beginning and 96.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.34 ms. Allocated memory is still 134.2 MB. Free memory was 96.1 MB in the beginning and 94.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1218.76 ms. Allocated memory is still 134.2 MB. Free memory was 94.0 MB in the beginning and 47.9 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1649.22 ms. Allocated memory was 134.2 MB in the beginning and 161.5 MB in the end (delta: 27.3 MB). Free memory was 47.9 MB in the beginning and 121.8 MB in the end (delta: -73.9 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * Witness Printer took 123.87 ms. Allocated memory is still 161.5 MB. Free memory was 121.8 MB in the beginning and 116.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 483]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 483]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 483]: 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: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 66 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...