./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.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_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/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_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/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_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/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 82c519f2bf81e68e983e1c89de9d6abbdaa163d4 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:21:26,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:21:26,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:21:26,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:21:26,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:21:26,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:21:26,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:21:26,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:21:26,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:21:26,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:21:26,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:21:26,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:21:26,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:21:26,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:21:26,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:21:26,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:21:26,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:21:26,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:21:26,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:21:26,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:21:26,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:21:26,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:21:26,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:21:26,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:21:26,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:21:26,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:21:26,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:21:26,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:21:26,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:21:26,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:21:26,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:21:26,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:21:26,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:21:26,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:21:26,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:21:26,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:21:26,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:21:26,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:21:26,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:21:26,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:21:26,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:21:26,913 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:21:26,938 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:21:26,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:21:26,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:21:26,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:21:26,940 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:21:26,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:21:26,940 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:21:26,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:21:26,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:21:26,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:21:26,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:21:26,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:21:26,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:21:26,942 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:21:26,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:21:26,942 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:21:26,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:21:26,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:21:26,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:21:26,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:21:26,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:21:26,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:21:26,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:21:26,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:21:26,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:21:26,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:21:26,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:21:26,944 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:21:26,945 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_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82c519f2bf81e68e983e1c89de9d6abbdaa163d4 [2021-10-11 00:21:27,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:21:27,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:21:27,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:21:27,302 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:21:27,303 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:21:27,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2021-10-11 00:21:27,375 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/bin/uautomizer-Z5i5R5N3CC/data/18c195a07/f8d96c4a9d0b42b1a924cec3a09e9541/FLAG0931b72d9 [2021-10-11 00:21:28,000 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:21:28,001 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2021-10-11 00:21:28,016 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/bin/uautomizer-Z5i5R5N3CC/data/18c195a07/f8d96c4a9d0b42b1a924cec3a09e9541/FLAG0931b72d9 [2021-10-11 00:21:28,252 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/bin/uautomizer-Z5i5R5N3CC/data/18c195a07/f8d96c4a9d0b42b1a924cec3a09e9541 [2021-10-11 00:21:28,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:21:28,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:21:28,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:28,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:21:28,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:21:28,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:28" (1/1) ... [2021-10-11 00:21:28,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:28, skipping insertion in model container [2021-10-11 00:21:28,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:28" (1/1) ... [2021-10-11 00:21:28,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:21:28,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:21:28,519 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_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[1817,1830] [2021-10-11 00:21:28,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:28,717 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:21:28,758 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[1817,1830] [2021-10-11 00:21:28,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:28,887 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:21:28,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:28 WrapperNode [2021-10-11 00:21:28,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:28,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:28,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:21:28,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:21:28,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:28" (1/1) ... [2021-10-11 00:21:28,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:28" (1/1) ... [2021-10-11 00:21:28,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:28,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:21:28,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:21:28,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:21:28,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:28" (1/1) ... [2021-10-11 00:21:28,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:28" (1/1) ... [2021-10-11 00:21:28,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:28" (1/1) ... [2021-10-11 00:21:28,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:28" (1/1) ... [2021-10-11 00:21:29,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:28" (1/1) ... [2021-10-11 00:21:29,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:28" (1/1) ... [2021-10-11 00:21:29,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:28" (1/1) ... [2021-10-11 00:21:29,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:21:29,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:21:29,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:21:29,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:21:29,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:28" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/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 00:21:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:21:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:21:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:21:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:21:30,329 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:21:30,330 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-11 00:21:30,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:30 BoogieIcfgContainer [2021-10-11 00:21:30,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:21:30,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:21:30,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:21:30,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:21:30,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:21:28" (1/3) ... [2021-10-11 00:21:30,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f3942a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:30, skipping insertion in model container [2021-10-11 00:21:30,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:28" (2/3) ... [2021-10-11 00:21:30,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f3942a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:30, skipping insertion in model container [2021-10-11 00:21:30,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:30" (3/3) ... [2021-10-11 00:21:30,347 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2021-10-11 00:21:30,368 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:21:30,371 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:21:30,381 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:21:30,406 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:21:30,406 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:21:30,406 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:21:30,406 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:21:30,407 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:21:30,407 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:21:30,407 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:21:30,407 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:21:30,429 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2021-10-11 00:21:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:21:30,436 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:30,437 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 00:21:30,438 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:30,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:30,444 INFO L82 PathProgramCache]: Analyzing trace with hash 2048364516, now seen corresponding path program 1 times [2021-10-11 00:21:30,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:30,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002134893] [2021-10-11 00:21:30,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:30,725 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 00:21:30,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002134893] [2021-10-11 00:21:30,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:30,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:30,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780108739] [2021-10-11 00:21:30,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:21:30,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:30,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:21:30,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:21:30,751 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2021-10-11 00:21:30,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:30,812 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2021-10-11 00:21:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:21:30,813 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:21:30,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:30,837 INFO L225 Difference]: With dead ends: 155 [2021-10-11 00:21:30,837 INFO L226 Difference]: Without dead ends: 77 [2021-10-11 00:21:30,840 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 00:21:30,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-11 00:21:30,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-10-11 00:21:30,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-10-11 00:21:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2021-10-11 00:21:30,899 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2021-10-11 00:21:30,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:30,900 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2021-10-11 00:21:30,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:21:30,901 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2021-10-11 00:21:30,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:21:30,903 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:30,903 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 00:21:30,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:21:30,904 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:30,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:30,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1829528547, now seen corresponding path program 1 times [2021-10-11 00:21:30,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:30,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414453530] [2021-10-11 00:21:30,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:31,082 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 00:21:31,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414453530] [2021-10-11 00:21:31,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:31,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:31,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023908848] [2021-10-11 00:21:31,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:31,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:31,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:31,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:31,092 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2021-10-11 00:21:31,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:31,109 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2021-10-11 00:21:31,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:31,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:21:31,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:31,113 INFO L225 Difference]: With dead ends: 77 [2021-10-11 00:21:31,113 INFO L226 Difference]: Without dead ends: 37 [2021-10-11 00:21:31,114 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 00:21:31,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-11 00:21:31,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-11 00:21:31,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-10-11 00:21:31,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2021-10-11 00:21:31,128 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2021-10-11 00:21:31,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:31,128 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2021-10-11 00:21:31,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2021-10-11 00:21:31,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:21:31,133 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:31,134 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 00:21:31,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:21:31,135 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:31,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:31,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1633990848, now seen corresponding path program 1 times [2021-10-11 00:21:31,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:31,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663289119] [2021-10-11 00:21:31,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:31,290 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 00:21:31,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663289119] [2021-10-11 00:21:31,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:31,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:31,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639760639] [2021-10-11 00:21:31,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:31,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:31,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:31,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:31,298 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2021-10-11 00:21:31,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:31,352 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2021-10-11 00:21:31,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:31,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:21:31,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:31,356 INFO L225 Difference]: With dead ends: 97 [2021-10-11 00:21:31,358 INFO L226 Difference]: Without dead ends: 67 [2021-10-11 00:21:31,359 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 00:21:31,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-11 00:21:31,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2021-10-11 00:21:31,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-10-11 00:21:31,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2021-10-11 00:21:31,372 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2021-10-11 00:21:31,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:31,372 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2021-10-11 00:21:31,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:31,372 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-10-11 00:21:31,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:21:31,374 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:31,374 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:31,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:21:31,374 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:31,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:31,375 INFO L82 PathProgramCache]: Analyzing trace with hash 584858649, now seen corresponding path program 1 times [2021-10-11 00:21:31,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:31,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637392603] [2021-10-11 00:21:31,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:31,457 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 00:21:31,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637392603] [2021-10-11 00:21:31,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:31,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:21:31,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897010475] [2021-10-11 00:21:31,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:21:31,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:31,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:31,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:31,459 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2021-10-11 00:21:31,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:31,588 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2021-10-11 00:21:31,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:21:31,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 00:21:31,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:31,591 INFO L225 Difference]: With dead ends: 303 [2021-10-11 00:21:31,591 INFO L226 Difference]: Without dead ends: 247 [2021-10-11 00:21:31,592 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 00:21:31,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-10-11 00:21:31,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2021-10-11 00:21:31,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2021-10-11 00:21:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2021-10-11 00:21:31,610 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2021-10-11 00:21:31,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:31,611 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2021-10-11 00:21:31,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:21:31,611 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2021-10-11 00:21:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:21:31,612 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:31,613 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 00:21:31,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:21:31,613 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:31,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:31,614 INFO L82 PathProgramCache]: Analyzing trace with hash 690628753, now seen corresponding path program 1 times [2021-10-11 00:21:31,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:31,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223478151] [2021-10-11 00:21:31,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:31,710 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 00:21:31,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223478151] [2021-10-11 00:21:31,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:31,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:21:31,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498536385] [2021-10-11 00:21:31,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:21:31,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:31,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:31,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:31,714 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2021-10-11 00:21:31,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:31,807 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2021-10-11 00:21:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:21:31,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 00:21:31,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:31,809 INFO L225 Difference]: With dead ends: 307 [2021-10-11 00:21:31,809 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:21:31,811 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 00:21:31,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:21:31,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:21:31,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:21:31,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:21:31,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-11 00:21:31,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:31,812 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:31,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:21:31,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:21:31,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:21:31,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:21:31,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:21:32,090 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-11 00:21:32,090 INFO L262 CegarLoopResult]: For program point L399(lines 399 403) no Hoare annotation was computed. [2021-10-11 00:21:32,091 INFO L262 CegarLoopResult]: For program point L366(lines 366 372) no Hoare annotation was computed. [2021-10-11 00:21:32,091 INFO L258 CegarLoopResult]: At program point L366-1(lines 366 372) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:32,091 INFO L262 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2021-10-11 00:21:32,091 INFO L262 CegarLoopResult]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2021-10-11 00:21:32,092 INFO L262 CegarLoopResult]: For program point L102-6(lines 102 106) no Hoare annotation was computed. [2021-10-11 00:21:32,092 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:21:32,092 INFO L262 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-11 00:21:32,093 INFO L258 CegarLoopResult]: At program point L417-1(lines 417 423) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:32,093 INFO L262 CegarLoopResult]: For program point L236(lines 236 244) no Hoare annotation was computed. [2021-10-11 00:21:32,093 INFO L262 CegarLoopResult]: For program point L236-1(lines 236 244) no Hoare annotation was computed. [2021-10-11 00:21:32,093 INFO L262 CegarLoopResult]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2021-10-11 00:21:32,093 INFO L262 CegarLoopResult]: For program point L352(lines 352 356) no Hoare annotation was computed. [2021-10-11 00:21:32,094 INFO L262 CegarLoopResult]: For program point L352-2(lines 352 356) no Hoare annotation was computed. [2021-10-11 00:21:32,094 INFO L262 CegarLoopResult]: For program point L352-3(lines 352 356) no Hoare annotation was computed. [2021-10-11 00:21:32,094 INFO L262 CegarLoopResult]: For program point L352-5(lines 352 356) no Hoare annotation was computed. [2021-10-11 00:21:32,094 INFO L262 CegarLoopResult]: For program point L352-6(lines 352 356) no Hoare annotation was computed. [2021-10-11 00:21:32,094 INFO L262 CegarLoopResult]: For program point L352-8(lines 352 356) no Hoare annotation was computed. [2021-10-11 00:21:32,095 INFO L262 CegarLoopResult]: For program point L435(lines 435 441) no Hoare annotation was computed. [2021-10-11 00:21:32,095 INFO L258 CegarLoopResult]: At program point L435-1(lines 200 206) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:32,095 INFO L258 CegarLoopResult]: At program point L303(lines 298 306) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:32,095 INFO L258 CegarLoopResult]: At program point L303-1(lines 298 306) the Hoare annotation is: false [2021-10-11 00:21:32,095 INFO L258 CegarLoopResult]: At program point L303-2(lines 298 306) the Hoare annotation is: false [2021-10-11 00:21:32,096 INFO L258 CegarLoopResult]: At program point L139(lines 134 142) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:32,096 INFO L258 CegarLoopResult]: At program point L139-1(lines 134 142) the Hoare annotation is: false [2021-10-11 00:21:32,096 INFO L258 CegarLoopResult]: At program point L139-2(lines 134 142) the Hoare annotation is: false [2021-10-11 00:21:32,096 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:21:32,097 INFO L258 CegarLoopResult]: At program point L207(lines 207 213) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:32,098 INFO L258 CegarLoopResult]: At program point L207-1(lines 207 213) the Hoare annotation is: false [2021-10-11 00:21:32,103 INFO L258 CegarLoopResult]: At program point L207-2(lines 207 213) the Hoare annotation is: false [2021-10-11 00:21:32,103 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:21:32,103 INFO L265 CegarLoopResult]: At program point L587(lines 568 590) the Hoare annotation is: true [2021-10-11 00:21:32,104 INFO L258 CegarLoopResult]: At program point L554(lines 550 556) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:21:32,104 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-11 00:21:32,104 INFO L262 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-10-11 00:21:32,104 INFO L262 CegarLoopResult]: For program point L473(lines 473 490) no Hoare annotation was computed. [2021-10-11 00:21:32,105 INFO L258 CegarLoopResult]: At program point L473-1(lines 1 956) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:32,105 INFO L258 CegarLoopResult]: At program point L506-2(lines 506 520) the Hoare annotation is: false [2021-10-11 00:21:32,105 INFO L262 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2021-10-11 00:21:32,105 INFO L262 CegarLoopResult]: For program point L473-2(lines 473 490) no Hoare annotation was computed. [2021-10-11 00:21:32,105 INFO L258 CegarLoopResult]: At program point L407-1(lines 407 413) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:32,105 INFO L258 CegarLoopResult]: At program point L473-3(lines 1 956) the Hoare annotation is: false [2021-10-11 00:21:32,113 INFO L262 CegarLoopResult]: For program point L473-4(lines 473 490) no Hoare annotation was computed. [2021-10-11 00:21:32,113 INFO L258 CegarLoopResult]: At program point L473-5(lines 1 956) the Hoare annotation is: false [2021-10-11 00:21:32,113 INFO L258 CegarLoopResult]: At program point L358(lines 343 361) the Hoare annotation is: false [2021-10-11 00:21:32,113 INFO L258 CegarLoopResult]: At program point L358-1(lines 343 361) the Hoare annotation is: false [2021-10-11 00:21:32,114 INFO L258 CegarLoopResult]: At program point L358-2(lines 343 361) the Hoare annotation is: false [2021-10-11 00:21:32,114 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:21:32,114 INFO L262 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2021-10-11 00:21:32,114 INFO L262 CegarLoopResult]: For program point L427(lines 427 442) no Hoare annotation was computed. [2021-10-11 00:21:32,114 INFO L262 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2021-10-11 00:21:32,114 INFO L262 CegarLoopResult]: For program point L477(lines 477 487) no Hoare annotation was computed. [2021-10-11 00:21:32,115 INFO L262 CegarLoopResult]: For program point L510-1(lines 200 206) no Hoare annotation was computed. [2021-10-11 00:21:32,115 INFO L262 CegarLoopResult]: For program point L477-2(lines 477 487) no Hoare annotation was computed. [2021-10-11 00:21:32,115 INFO L262 CegarLoopResult]: For program point L477-4(lines 477 487) no Hoare annotation was computed. [2021-10-11 00:21:32,115 INFO L258 CegarLoopResult]: At program point L180(lines 175 183) the Hoare annotation is: false [2021-10-11 00:21:32,116 INFO L258 CegarLoopResult]: At program point L180-1(lines 175 183) the Hoare annotation is: false [2021-10-11 00:21:32,116 INFO L262 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-10-11 00:21:32,116 INFO L258 CegarLoopResult]: At program point L180-2(lines 175 183) the Hoare annotation is: false [2021-10-11 00:21:32,116 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:21:32,116 INFO L262 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2021-10-11 00:21:32,116 INFO L262 CegarLoopResult]: For program point L478-2(lines 478 484) no Hoare annotation was computed. [2021-10-11 00:21:32,117 INFO L262 CegarLoopResult]: For program point L478-4(lines 478 484) no Hoare annotation was computed. [2021-10-11 00:21:32,117 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-11 00:21:32,118 INFO L258 CegarLoopResult]: At program point L462(lines 457 464) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:21:32,118 INFO L262 CegarLoopResult]: For program point L578(lines 578 585) no Hoare annotation was computed. [2021-10-11 00:21:32,118 INFO L265 CegarLoopResult]: At program point L578-1(lines 578 585) the Hoare annotation is: true [2021-10-11 00:21:32,118 INFO L262 CegarLoopResult]: For program point L232(lines 232 249) no Hoare annotation was computed. [2021-10-11 00:21:32,118 INFO L262 CegarLoopResult]: For program point L232-1(lines 232 249) no Hoare annotation was computed. [2021-10-11 00:21:32,118 INFO L262 CegarLoopResult]: For program point L232-2(lines 232 249) no Hoare annotation was computed. [2021-10-11 00:21:32,119 INFO L258 CegarLoopResult]: At program point L67(lines 1 956) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:21:32,119 INFO L258 CegarLoopResult]: At program point L447(lines 396 448) the Hoare annotation is: false [2021-10-11 00:21:32,119 INFO L262 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2021-10-11 00:21:32,119 INFO L262 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-10-11 00:21:32,119 INFO L262 CegarLoopResult]: For program point L84-2(line 84) no Hoare annotation was computed. [2021-10-11 00:21:32,119 INFO L262 CegarLoopResult]: For program point L398(lines 397 446) no Hoare annotation was computed. [2021-10-11 00:21:32,119 INFO L258 CegarLoopResult]: At program point L200(lines 199 218) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:32,120 INFO L262 CegarLoopResult]: For program point L200-1(lines 200 206) no Hoare annotation was computed. [2021-10-11 00:21:32,120 INFO L258 CegarLoopResult]: At program point L200-2(lines 199 218) the Hoare annotation is: false [2021-10-11 00:21:32,120 INFO L258 CegarLoopResult]: At program point L200-3(lines 199 218) the Hoare annotation is: false [2021-10-11 00:21:32,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:21:32 BoogieIcfgContainer [2021-10-11 00:21:32,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:21:32,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:21:32,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:21:32,149 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:21:32,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:30" (3/4) ... [2021-10-11 00:21:32,153 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:21:32,179 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:21:32,180 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:21:32,181 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:21:32,182 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:21:32,183 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:21:32,184 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:32,184 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:32,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:21:32,312 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43a8b8f-3e06-4e61-9e9c-ebd489eb0bae/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:21:32,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:21:32,314 INFO L168 Benchmark]: Toolchain (without parser) took 4057.56 ms. Allocated memory was 88.1 MB in the beginning and 159.4 MB in the end (delta: 71.3 MB). Free memory was 45.4 MB in the beginning and 85.8 MB in the end (delta: -40.4 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:32,315 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 88.1 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:32,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.39 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 45.1 MB in the beginning and 86.5 MB in the end (delta: -41.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:32,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.32 ms. Allocated memory is still 123.7 MB. Free memory was 86.5 MB in the beginning and 82.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:32,316 INFO L168 Benchmark]: Boogie Preprocessor took 58.45 ms. Allocated memory is still 123.7 MB. Free memory was 82.7 MB in the beginning and 80.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:32,317 INFO L168 Benchmark]: RCFGBuilder took 1296.23 ms. Allocated memory is still 123.7 MB. Free memory was 80.6 MB in the beginning and 50.1 MB in the end (delta: 30.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:32,317 INFO L168 Benchmark]: TraceAbstraction took 1811.70 ms. Allocated memory was 123.7 MB in the beginning and 159.4 MB in the end (delta: 35.7 MB). Free memory was 50.1 MB in the beginning and 93.1 MB in the end (delta: -43.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:32,318 INFO L168 Benchmark]: Witness Printer took 163.61 ms. Allocated memory is still 159.4 MB. Free memory was 93.1 MB in the beginning and 85.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:32,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 88.1 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 626.39 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 45.1 MB in the beginning and 86.5 MB in the end (delta: -41.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.32 ms. Allocated memory is still 123.7 MB. Free memory was 86.5 MB in the beginning and 82.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.45 ms. Allocated memory is still 123.7 MB. Free memory was 82.7 MB in the beginning and 80.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1296.23 ms. Allocated memory is still 123.7 MB. Free memory was 80.6 MB in the beginning and 50.1 MB in the end (delta: 30.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1811.70 ms. Allocated memory was 123.7 MB in the beginning and 159.4 MB in the end (delta: 35.7 MB). Free memory was 50.1 MB in the beginning and 93.1 MB in the end (delta: -43.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 163.61 ms. Allocated memory is still 159.4 MB. Free memory was 93.1 MB in the beginning and 85.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: 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: 298]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 334 SDslu, 369 SDs, 0 SdLazy, 49 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...