./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.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_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/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_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/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_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/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 60b6e6653baa7808463de65413f3436b817992e0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:33:04,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:33:04,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:33:04,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:33:04,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:33:04,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:33:04,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:33:04,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:33:04,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:33:04,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:33:04,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:33:04,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:33:04,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:33:04,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:33:04,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:33:04,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:33:04,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:33:04,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:33:04,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:33:04,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:33:04,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:33:04,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:33:04,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:33:04,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:33:04,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:33:04,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:33:04,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:33:04,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:33:04,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:33:04,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:33:04,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:33:04,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:33:04,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:33:04,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:33:04,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:33:04,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:33:04,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:33:04,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:33:04,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:33:04,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:33:04,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:33:04,272 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:33:04,296 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:33:04,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:33:04,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:33:04,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:33:04,298 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:33:04,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:33:04,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:33:04,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:33:04,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:33:04,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:33:04,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:33:04,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:33:04,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:33:04,300 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:33:04,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:33:04,300 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:33:04,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:33:04,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:33:04,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:33:04,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:33:04,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:33:04,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:33:04,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:33:04,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:33:04,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:33:04,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:33:04,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:33:04,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:33:04,303 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_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60b6e6653baa7808463de65413f3436b817992e0 [2021-10-11 00:33:04,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:33:04,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:33:04,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:33:04,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:33:04,654 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:33:04,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2021-10-11 00:33:04,759 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/bin/uautomizer-Z5i5R5N3CC/data/cb7a2af4f/1864ae5b6ab9499b866441b33cc4f257/FLAG4326ea774 [2021-10-11 00:33:05,429 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:33:05,432 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2021-10-11 00:33:05,446 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/bin/uautomizer-Z5i5R5N3CC/data/cb7a2af4f/1864ae5b6ab9499b866441b33cc4f257/FLAG4326ea774 [2021-10-11 00:33:05,690 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/bin/uautomizer-Z5i5R5N3CC/data/cb7a2af4f/1864ae5b6ab9499b866441b33cc4f257 [2021-10-11 00:33:05,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:33:05,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:33:05,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:05,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:33:05,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:33:05,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:05" (1/1) ... [2021-10-11 00:33:05,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@808bf1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:05, skipping insertion in model container [2021-10-11 00:33:05,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:05" (1/1) ... [2021-10-11 00:33:05,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:33:05,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:33:06,149 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_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17537,17550] [2021-10-11 00:33:06,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:06,170 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:33:06,294 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_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17537,17550] [2021-10-11 00:33:06,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:06,332 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:33:06,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:06 WrapperNode [2021-10-11 00:33:06,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:06,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:06,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:33:06,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:33:06,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:06" (1/1) ... [2021-10-11 00:33:06,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:06" (1/1) ... [2021-10-11 00:33:06,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:06,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:33:06,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:33:06,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:33:06,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:06" (1/1) ... [2021-10-11 00:33:06,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:06" (1/1) ... [2021-10-11 00:33:06,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:06" (1/1) ... [2021-10-11 00:33:06,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:06" (1/1) ... [2021-10-11 00:33:06,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:06" (1/1) ... [2021-10-11 00:33:06,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:06" (1/1) ... [2021-10-11 00:33:06,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:06" (1/1) ... [2021-10-11 00:33:06,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:33:06,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:33:06,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:33:06,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:33:06,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:06" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/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 00:33:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:33:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:33:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:33:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:33:07,457 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:33:07,457 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-11 00:33:07,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:07 BoogieIcfgContainer [2021-10-11 00:33:07,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:33:07,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:33:07,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:33:07,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:33:07,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:33:05" (1/3) ... [2021-10-11 00:33:07,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167c610f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:33:07, skipping insertion in model container [2021-10-11 00:33:07,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:06" (2/3) ... [2021-10-11 00:33:07,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167c610f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:33:07, skipping insertion in model container [2021-10-11 00:33:07,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:07" (3/3) ... [2021-10-11 00:33:07,467 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2021-10-11 00:33:07,480 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:33:07,483 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:33:07,494 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:33:07,518 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:33:07,518 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:33:07,518 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:33:07,519 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:33:07,519 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:33:07,519 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:33:07,519 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:33:07,519 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:33:07,534 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2021-10-11 00:33:07,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:33:07,540 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:07,540 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:07,541 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:07,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:07,546 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2021-10-11 00:33:07,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:07,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709553957] [2021-10-11 00:33:07,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:07,880 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 00:33:07,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709553957] [2021-10-11 00:33:07,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:07,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:07,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416847839] [2021-10-11 00:33:07,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:33:07,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:07,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:33:07,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:33:07,910 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2021-10-11 00:33:07,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:07,933 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-11 00:33:07,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:33:07,934 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:33:07,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:07,945 INFO L225 Difference]: With dead ends: 144 [2021-10-11 00:33:07,945 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 00:33:07,949 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 00:33:07,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 00:33:07,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 00:33:07,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 00:33:07,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-11 00:33:07,984 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-11 00:33:07,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:07,985 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-11 00:33:07,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:33:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-11 00:33:07,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:33:07,986 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:07,986 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 00:33:07,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:33:07,987 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:07,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:07,988 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2021-10-11 00:33:07,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:07,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477135072] [2021-10-11 00:33:07,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:08,078 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 00:33:08,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477135072] [2021-10-11 00:33:08,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:08,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:33:08,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428403525] [2021-10-11 00:33:08,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:08,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:08,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:08,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:08,082 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2021-10-11 00:33:08,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:08,092 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-11 00:33:08,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:08,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:33:08,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:08,093 INFO L225 Difference]: With dead ends: 71 [2021-10-11 00:33:08,093 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 00:33:08,095 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 00:33:08,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 00:33:08,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 00:33:08,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 00:33:08,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-11 00:33:08,100 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-11 00:33:08,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:08,100 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-11 00:33:08,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:08,100 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-11 00:33:08,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:33:08,101 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:08,101 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 00:33:08,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:33:08,102 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:08,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:08,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2021-10-11 00:33:08,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:08,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019528730] [2021-10-11 00:33:08,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:08,216 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 00:33:08,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019528730] [2021-10-11 00:33:08,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:08,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:33:08,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376485975] [2021-10-11 00:33:08,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:08,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:08,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:08,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:08,219 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2021-10-11 00:33:08,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:08,241 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-11 00:33:08,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:08,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:33:08,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:08,243 INFO L225 Difference]: With dead ends: 60 [2021-10-11 00:33:08,243 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 00:33:08,244 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 00:33:08,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 00:33:08,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 00:33:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 00:33:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-11 00:33:08,249 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-11 00:33:08,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:08,250 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-11 00:33:08,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:08,250 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-11 00:33:08,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:33:08,251 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:08,251 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 00:33:08,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:33:08,251 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:08,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:08,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2021-10-11 00:33:08,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:08,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2510224] [2021-10-11 00:33:08,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:08,397 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 00:33:08,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2510224] [2021-10-11 00:33:08,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:08,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:33:08,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281784144] [2021-10-11 00:33:08,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:33:08,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:08,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:08,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:08,400 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2021-10-11 00:33:08,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:08,504 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-11 00:33:08,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:33:08,504 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 00:33:08,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:08,506 INFO L225 Difference]: With dead ends: 151 [2021-10-11 00:33:08,507 INFO L226 Difference]: Without dead ends: 124 [2021-10-11 00:33:08,507 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 00:33:08,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-11 00:33:08,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2021-10-11 00:33:08,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-10-11 00:33:08,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2021-10-11 00:33:08,519 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2021-10-11 00:33:08,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:08,520 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2021-10-11 00:33:08,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:33:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2021-10-11 00:33:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:33:08,521 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:08,521 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 00:33:08,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:33:08,522 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:08,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:08,522 INFO L82 PathProgramCache]: Analyzing trace with hash 710187059, now seen corresponding path program 1 times [2021-10-11 00:33:08,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:08,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049183447] [2021-10-11 00:33:08,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:08,644 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 00:33:08,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049183447] [2021-10-11 00:33:08,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:08,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:33:08,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489148806] [2021-10-11 00:33:08,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:33:08,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:08,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:08,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:08,649 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2021-10-11 00:33:08,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:08,735 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2021-10-11 00:33:08,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:33:08,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:33:08,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:08,738 INFO L225 Difference]: With dead ends: 148 [2021-10-11 00:33:08,738 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:33:08,743 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 00:33:08,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:33:08,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:33:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:33:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:33:08,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 00:33:08,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:08,744 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:33:08,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:33:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:33:08,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:33:08,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:33:08,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:33:09,065 INFO L262 CegarLoopResult]: For program point L861(lines 860 907) no Hoare annotation was computed. [2021-10-11 00:33:09,065 INFO L262 CegarLoopResult]: For program point L349(lines 349 357) no Hoare annotation was computed. [2021-10-11 00:33:09,065 INFO L262 CegarLoopResult]: For program point L349-1(lines 349 357) no Hoare annotation was computed. [2021-10-11 00:33:09,065 INFO L262 CegarLoopResult]: For program point L349-2(lines 349 357) no Hoare annotation was computed. [2021-10-11 00:33:09,065 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 921) no Hoare annotation was computed. [2021-10-11 00:33:09,065 INFO L262 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2021-10-11 00:33:09,066 INFO L262 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2021-10-11 00:33:09,066 INFO L262 CegarLoopResult]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2021-10-11 00:33:09,066 INFO L262 CegarLoopResult]: For program point L465-3(lines 465 469) no Hoare annotation was computed. [2021-10-11 00:33:09,066 INFO L262 CegarLoopResult]: For program point L465-5(lines 465 469) no Hoare annotation was computed. [2021-10-11 00:33:09,067 INFO L262 CegarLoopResult]: For program point L465-6(lines 465 469) no Hoare annotation was computed. [2021-10-11 00:33:09,067 INFO L262 CegarLoopResult]: For program point L465-8(lines 465 469) no Hoare annotation was computed. [2021-10-11 00:33:09,067 INFO L258 CegarLoopResult]: At program point L416(lines 411 419) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:33:09,068 INFO L258 CegarLoopResult]: At program point L416-1(lines 411 419) the Hoare annotation is: false [2021-10-11 00:33:09,069 INFO L262 CegarLoopResult]: For program point L862(lines 862 866) no Hoare annotation was computed. [2021-10-11 00:33:09,069 INFO L258 CegarLoopResult]: At program point L416-2(lines 411 419) the Hoare annotation is: false [2021-10-11 00:33:09,070 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:33:09,070 INFO L262 CegarLoopResult]: For program point L186(lines 186 199) no Hoare annotation was computed. [2021-10-11 00:33:09,072 INFO L258 CegarLoopResult]: At program point L186-1(lines 1 924) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:33:09,072 INFO L262 CegarLoopResult]: For program point L186-2(lines 186 199) no Hoare annotation was computed. [2021-10-11 00:33:09,073 INFO L258 CegarLoopResult]: At program point L186-3(lines 1 924) the Hoare annotation is: false [2021-10-11 00:33:09,073 INFO L262 CegarLoopResult]: For program point L186-4(lines 186 199) no Hoare annotation was computed. [2021-10-11 00:33:09,073 INFO L258 CegarLoopResult]: At program point L186-5(lines 1 924) the Hoare annotation is: false [2021-10-11 00:33:09,073 INFO L262 CegarLoopResult]: For program point L880(lines 880 886) no Hoare annotation was computed. [2021-10-11 00:33:09,074 INFO L258 CegarLoopResult]: At program point L880-1(lines 880 886) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:33:09,074 INFO L262 CegarLoopResult]: For program point L220(lines 220 224) no Hoare annotation was computed. [2021-10-11 00:33:09,074 INFO L262 CegarLoopResult]: For program point L220-1(lines 313 319) no Hoare annotation was computed. [2021-10-11 00:33:09,074 INFO L258 CegarLoopResult]: At program point L171(lines 166 174) the Hoare annotation is: false [2021-10-11 00:33:09,074 INFO L258 CegarLoopResult]: At program point L171-1(lines 166 174) the Hoare annotation is: false [2021-10-11 00:33:09,075 INFO L262 CegarLoopResult]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-10-11 00:33:09,076 INFO L258 CegarLoopResult]: At program point L171-2(lines 166 174) the Hoare annotation is: false [2021-10-11 00:33:09,079 INFO L262 CegarLoopResult]: For program point L898(lines 898 902) no Hoare annotation was computed. [2021-10-11 00:33:09,079 INFO L258 CegarLoopResult]: At program point L898-2(lines 313 319) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:33:09,080 INFO L258 CegarLoopResult]: At program point L320(lines 320 326) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:33:09,080 INFO L258 CegarLoopResult]: At program point L320-1(lines 320 326) the Hoare annotation is: false [2021-10-11 00:33:09,080 INFO L258 CegarLoopResult]: At program point L320-2(lines 320 326) the Hoare annotation is: false [2021-10-11 00:33:09,081 INFO L262 CegarLoopResult]: For program point L289(lines 289 296) no Hoare annotation was computed. [2021-10-11 00:33:09,081 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:33:09,081 INFO L265 CegarLoopResult]: At program point L289-1(lines 289 296) the Hoare annotation is: true [2021-10-11 00:33:09,082 INFO L262 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2021-10-11 00:33:09,082 INFO L262 CegarLoopResult]: For program point L190-2(lines 190 196) no Hoare annotation was computed. [2021-10-11 00:33:09,082 INFO L262 CegarLoopResult]: For program point L190-4(lines 190 196) no Hoare annotation was computed. [2021-10-11 00:33:09,082 INFO L258 CegarLoopResult]: At program point L471(lines 456 474) the Hoare annotation is: false [2021-10-11 00:33:09,087 INFO L258 CegarLoopResult]: At program point L471-1(lines 456 474) the Hoare annotation is: false [2021-10-11 00:33:09,087 INFO L258 CegarLoopResult]: At program point L471-2(lines 456 474) the Hoare annotation is: false [2021-10-11 00:33:09,087 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 00:33:09,087 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 921) no Hoare annotation was computed. [2021-10-11 00:33:09,088 INFO L262 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2021-10-11 00:33:09,088 INFO L262 CegarLoopResult]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2021-10-11 00:33:09,088 INFO L262 CegarLoopResult]: For program point L93-6(lines 93 97) no Hoare annotation was computed. [2021-10-11 00:33:09,088 INFO L262 CegarLoopResult]: For program point L870(lines 870 876) no Hoare annotation was computed. [2021-10-11 00:33:09,088 INFO L258 CegarLoopResult]: At program point L870-1(lines 870 876) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:33:09,088 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:33:09,088 INFO L262 CegarLoopResult]: For program point L921(line 921) no Hoare annotation was computed. [2021-10-11 00:33:09,088 INFO L262 CegarLoopResult]: For program point L921-1(line 921) no Hoare annotation was computed. [2021-10-11 00:33:09,089 INFO L262 CegarLoopResult]: For program point L921-2(line 921) no Hoare annotation was computed. [2021-10-11 00:33:09,089 INFO L258 CegarLoopResult]: At program point L130(lines 125 133) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:33:09,089 INFO L258 CegarLoopResult]: At program point L130-1(lines 125 133) the Hoare annotation is: false [2021-10-11 00:33:09,089 INFO L258 CegarLoopResult]: At program point L130-2(lines 125 133) the Hoare annotation is: false [2021-10-11 00:33:09,089 INFO L262 CegarLoopResult]: For program point L890(lines 890 903) no Hoare annotation was computed. [2021-10-11 00:33:09,089 INFO L262 CegarLoopResult]: For program point L345(lines 345 362) no Hoare annotation was computed. [2021-10-11 00:33:09,089 INFO L262 CegarLoopResult]: For program point L345-1(lines 345 362) no Hoare annotation was computed. [2021-10-11 00:33:09,089 INFO L262 CegarLoopResult]: For program point L345-2(lines 345 362) no Hoare annotation was computed. [2021-10-11 00:33:09,090 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:33:09,090 INFO L258 CegarLoopResult]: At program point L313(lines 312 331) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:33:09,090 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 921) no Hoare annotation was computed. [2021-10-11 00:33:09,090 INFO L262 CegarLoopResult]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2021-10-11 00:33:09,090 INFO L258 CegarLoopResult]: At program point L313-2(lines 312 331) the Hoare annotation is: false [2021-10-11 00:33:09,090 INFO L258 CegarLoopResult]: At program point L313-3(lines 312 331) the Hoare annotation is: false [2021-10-11 00:33:09,090 INFO L258 CegarLoopResult]: At program point L908(lines 859 909) the Hoare annotation is: false [2021-10-11 00:33:09,091 INFO L265 CegarLoopResult]: At program point L298(lines 279 301) the Hoare annotation is: true [2021-10-11 00:33:09,091 INFO L258 CegarLoopResult]: At program point L265(lines 261 267) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:33:09,091 INFO L258 CegarLoopResult]: At program point L67(lines 1 924) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:33:09,091 INFO L258 CegarLoopResult]: At program point L216-2(lines 216 230) the Hoare annotation is: false [2021-10-11 00:33:09,091 INFO L262 CegarLoopResult]: For program point L117(lines 117 121) no Hoare annotation was computed. [2021-10-11 00:33:09,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:33:09 BoogieIcfgContainer [2021-10-11 00:33:09,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:33:09,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:33:09,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:33:09,124 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:33:09,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:07" (3/4) ... [2021-10-11 00:33:09,130 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:33:09,154 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:33:09,155 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:33:09,156 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:33:09,157 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:33:09,157 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:33:09,158 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:33:09,159 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:33:09,189 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:33:09,279 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc83b5-61ca-463e-b3ba-c2e6ee8a2338/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:33:09,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:33:09,281 INFO L168 Benchmark]: Toolchain (without parser) took 3585.39 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 69.2 MB in the beginning and 97.1 MB in the end (delta: -27.8 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:09,282 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 102.8 MB. Free memory was 58.9 MB in the beginning and 58.9 MB in the end (delta: 53.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:33:09,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.62 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 69.2 MB in the beginning and 104.5 MB in the end (delta: -35.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:09,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.64 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 101.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:09,283 INFO L168 Benchmark]: Boogie Preprocessor took 77.24 ms. Allocated memory is still 138.4 MB. Free memory was 101.2 MB in the beginning and 99.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:09,283 INFO L168 Benchmark]: RCFGBuilder took 950.25 ms. Allocated memory is still 138.4 MB. Free memory was 99.1 MB in the beginning and 101.9 MB in the end (delta: -2.8 MB). Peak memory consumption was 45.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:09,284 INFO L168 Benchmark]: TraceAbstraction took 1662.95 ms. Allocated memory is still 138.4 MB. Free memory was 101.1 MB in the beginning and 103.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 54.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:09,284 INFO L168 Benchmark]: Witness Printer took 155.83 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 97.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:09,287 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 102.8 MB. Free memory was 58.9 MB in the beginning and 58.9 MB in the end (delta: 53.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 636.62 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 69.2 MB in the beginning and 104.5 MB in the end (delta: -35.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.64 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 101.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.24 ms. Allocated memory is still 138.4 MB. Free memory was 101.2 MB in the beginning and 99.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 950.25 ms. Allocated memory is still 138.4 MB. Free memory was 99.1 MB in the beginning and 101.9 MB in the end (delta: -2.8 MB). Peak memory consumption was 45.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1662.95 ms. Allocated memory is still 138.4 MB. Free memory was 101.1 MB in the beginning and 103.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 54.1 MB. Max. memory is 16.1 GB. * Witness Printer took 155.83 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 97.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 921]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 921]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 921]: 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: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 311 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 9 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1267 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 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...