./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.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_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/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_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/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_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/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 4ac176d5f6a200147241aca05fd00270bccec34f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:24:25,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:24:25,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:24:25,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:24:25,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:24:25,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:24:25,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:24:25,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:24:25,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:24:25,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:24:25,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:24:25,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:24:25,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:24:25,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:24:25,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:24:25,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:24:25,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:24:25,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:24:25,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:24:25,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:24:25,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:24:25,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:24:25,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:24:25,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:24:25,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:24:25,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:24:25,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:24:25,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:24:25,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:24:25,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:24:25,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:24:25,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:24:25,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:24:25,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:24:25,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:24:25,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:24:25,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:24:25,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:24:25,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:24:25,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:24:25,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:24:25,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:24:25,445 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:24:25,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:24:25,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:24:25,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:24:25,447 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:24:25,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:24:25,448 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:24:25,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:24:25,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:24:25,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:24:25,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:24:25,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:24:25,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:24:25,449 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:24:25,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:24:25,450 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:24:25,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:24:25,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:24:25,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:24:25,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:24:25,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:24:25,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:24:25,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:24:25,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:24:25,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:24:25,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:24:25,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:24:25,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:24:25,458 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_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ac176d5f6a200147241aca05fd00270bccec34f [2021-10-11 00:24:25,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:24:25,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:24:25,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:24:25,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:24:25,841 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:24:25,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-10-11 00:24:25,960 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/bin/uautomizer-Z5i5R5N3CC/data/2b92bd06d/53457957e4d44cffaea07d88507c2052/FLAG0aedab8ab [2021-10-11 00:24:26,577 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:24:26,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-10-11 00:24:26,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/bin/uautomizer-Z5i5R5N3CC/data/2b92bd06d/53457957e4d44cffaea07d88507c2052/FLAG0aedab8ab [2021-10-11 00:24:26,870 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/bin/uautomizer-Z5i5R5N3CC/data/2b92bd06d/53457957e4d44cffaea07d88507c2052 [2021-10-11 00:24:26,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:24:26,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:24:26,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:24:26,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:24:26,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:24:26,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:26" (1/1) ... [2021-10-11 00:24:26,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad749ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:26, skipping insertion in model container [2021-10-11 00:24:26,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:26" (1/1) ... [2021-10-11 00:24:26,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:24:26,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:24:27,158 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_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1281,1294] [2021-10-11 00:24:27,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:24:27,350 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:24:27,366 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_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1281,1294] [2021-10-11 00:24:27,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:24:27,503 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:24:27,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:27 WrapperNode [2021-10-11 00:24:27,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:24:27,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:24:27,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:24:27,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:24:27,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:27" (1/1) ... [2021-10-11 00:24:27,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:27" (1/1) ... [2021-10-11 00:24:27,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:24:27,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:24:27,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:24:27,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:24:27,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:27" (1/1) ... [2021-10-11 00:24:27,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:27" (1/1) ... [2021-10-11 00:24:27,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:27" (1/1) ... [2021-10-11 00:24:27,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:27" (1/1) ... [2021-10-11 00:24:27,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:27" (1/1) ... [2021-10-11 00:24:27,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:27" (1/1) ... [2021-10-11 00:24:27,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:27" (1/1) ... [2021-10-11 00:24:27,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:24:27,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:24:27,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:24:27,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:24:27,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:27" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/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 00:24:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:24:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:24:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:24:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:24:28,763 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:24:28,763 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-11 00:24:28,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:28 BoogieIcfgContainer [2021-10-11 00:24:28,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:24:28,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:24:28,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:24:28,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:24:28,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:24:26" (1/3) ... [2021-10-11 00:24:28,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89a72d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:28, skipping insertion in model container [2021-10-11 00:24:28,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:27" (2/3) ... [2021-10-11 00:24:28,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89a72d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:28, skipping insertion in model container [2021-10-11 00:24:28,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:28" (3/3) ... [2021-10-11 00:24:28,781 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2021-10-11 00:24:28,802 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:24:28,807 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:24:28,822 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:24:28,871 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:24:28,871 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:24:28,872 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:24:28,872 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:24:28,872 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:24:28,872 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:24:28,873 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:24:28,873 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:24:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2021-10-11 00:24:28,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:24:28,898 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:28,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:28,899 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:28,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:28,906 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2021-10-11 00:24:28,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:28,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62638095] [2021-10-11 00:24:28,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:29,276 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 00:24:29,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62638095] [2021-10-11 00:24:29,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:29,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:24:29,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354300696] [2021-10-11 00:24:29,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:24:29,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:29,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:24:29,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:24:29,305 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2021-10-11 00:24:29,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:29,343 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-11 00:24:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:24:29,345 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:24:29,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:29,373 INFO L225 Difference]: With dead ends: 112 [2021-10-11 00:24:29,376 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 00:24:29,380 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 00:24:29,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 00:24:29,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 00:24:29,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 00:24:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-11 00:24:29,433 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-11 00:24:29,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:29,434 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-11 00:24:29,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:24:29,436 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-11 00:24:29,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:24:29,437 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:29,438 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 00:24:29,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:24:29,438 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:29,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:29,442 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2021-10-11 00:24:29,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:29,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612462880] [2021-10-11 00:24:29,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:29,587 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 00:24:29,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612462880] [2021-10-11 00:24:29,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:29,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:24:29,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228777226] [2021-10-11 00:24:29,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:24:29,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:29,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:24:29,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:29,595 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2021-10-11 00:24:29,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:29,616 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-11 00:24:29,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:24:29,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:24:29,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:29,621 INFO L225 Difference]: With dead ends: 55 [2021-10-11 00:24:29,621 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 00:24:29,622 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 00:24:29,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 00:24:29,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-11 00:24:29,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-11 00:24:29,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-11 00:24:29,633 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-11 00:24:29,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:29,633 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-11 00:24:29,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:24:29,634 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-11 00:24:29,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:24:29,636 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:29,637 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 00:24:29,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:24:29,638 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:29,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:29,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2021-10-11 00:24:29,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:29,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664063033] [2021-10-11 00:24:29,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:29,819 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 00:24:29,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664063033] [2021-10-11 00:24:29,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:29,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:24:29,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560028014] [2021-10-11 00:24:29,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:24:29,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:29,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:24:29,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:29,827 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2021-10-11 00:24:29,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:29,928 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2021-10-11 00:24:29,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:24:29,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 00:24:29,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:29,932 INFO L225 Difference]: With dead ends: 75 [2021-10-11 00:24:29,932 INFO L226 Difference]: Without dead ends: 52 [2021-10-11 00:24:29,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:24:29,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-11 00:24:29,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2021-10-11 00:24:29,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-10-11 00:24:29,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-11 00:24:29,951 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-11 00:24:29,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:29,951 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-11 00:24:29,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:24:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-11 00:24:29,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:24:29,953 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:29,953 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 00:24:29,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:24:29,953 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:29,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:29,954 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2021-10-11 00:24:29,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:29,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253515649] [2021-10-11 00:24:29,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:30,015 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 00:24:30,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253515649] [2021-10-11 00:24:30,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:30,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:24:30,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588609291] [2021-10-11 00:24:30,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:24:30,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:30,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:24:30,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:30,018 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2021-10-11 00:24:30,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:30,100 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2021-10-11 00:24:30,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:24:30,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 00:24:30,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:30,103 INFO L225 Difference]: With dead ends: 214 [2021-10-11 00:24:30,103 INFO L226 Difference]: Without dead ends: 172 [2021-10-11 00:24:30,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:24:30,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-11 00:24:30,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2021-10-11 00:24:30,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-10-11 00:24:30,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2021-10-11 00:24:30,117 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2021-10-11 00:24:30,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:30,117 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2021-10-11 00:24:30,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:24:30,118 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2021-10-11 00:24:30,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:24:30,119 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:30,119 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 00:24:30,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:24:30,119 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:30,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:30,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1127718650, now seen corresponding path program 1 times [2021-10-11 00:24:30,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:30,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602299100] [2021-10-11 00:24:30,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:30,190 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 00:24:30,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602299100] [2021-10-11 00:24:30,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:30,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:24:30,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737551206] [2021-10-11 00:24:30,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:24:30,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:30,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:24:30,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:30,195 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2021-10-11 00:24:30,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:30,285 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2021-10-11 00:24:30,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:24:30,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 00:24:30,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:30,287 INFO L225 Difference]: With dead ends: 268 [2021-10-11 00:24:30,287 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:24:30,292 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 00:24:30,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:24:30,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:24:30,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:24:30,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:24:30,293 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-11 00:24:30,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:30,293 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:24:30,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:24:30,294 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:24:30,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:24:30,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:24:30,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:24:30,646 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:24:30,647 INFO L262 CegarLoopResult]: For program point L69(lines 69 73) no Hoare annotation was computed. [2021-10-11 00:24:30,647 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:24:30,647 INFO L262 CegarLoopResult]: For program point L87(lines 87 93) no Hoare annotation was computed. [2021-10-11 00:24:30,648 INFO L258 CegarLoopResult]: At program point L87-1(lines 87 93) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:24:30,648 INFO L262 CegarLoopResult]: For program point L649(lines 649 653) no Hoare annotation was computed. [2021-10-11 00:24:30,648 INFO L262 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2021-10-11 00:24:30,649 INFO L258 CegarLoopResult]: At program point L105-1(lines 141 147) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:24:30,649 INFO L265 CegarLoopResult]: At program point L866(lines 847 869) the Hoare annotation is: true [2021-10-11 00:24:30,649 INFO L258 CegarLoopResult]: At program point L834(lines 830 836) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:24:30,649 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:24:30,649 INFO L258 CegarLoopResult]: At program point L141(lines 140 159) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:24:30,650 INFO L262 CegarLoopResult]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2021-10-11 00:24:30,650 INFO L258 CegarLoopResult]: At program point L141-2(lines 140 159) the Hoare annotation is: false [2021-10-11 00:24:30,650 INFO L258 CegarLoopResult]: At program point L141-3(lines 140 159) the Hoare annotation is: false [2021-10-11 00:24:30,651 INFO L258 CegarLoopResult]: At program point L736(lines 1 869) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-10-11 00:24:30,651 INFO L262 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2021-10-11 00:24:30,652 INFO L262 CegarLoopResult]: For program point L637-3(lines 637 641) no Hoare annotation was computed. [2021-10-11 00:24:30,652 INFO L262 CegarLoopResult]: For program point L637-6(lines 637 641) no Hoare annotation was computed. [2021-10-11 00:24:30,652 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:24:30,652 INFO L258 CegarLoopResult]: At program point L786-2(lines 786 800) the Hoare annotation is: false [2021-10-11 00:24:30,652 INFO L262 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2021-10-11 00:24:30,652 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-11 00:24:30,655 INFO L258 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:24:30,655 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:24:30,655 INFO L262 CegarLoopResult]: For program point L244(lines 244 250) no Hoare annotation was computed. [2021-10-11 00:24:30,656 INFO L258 CegarLoopResult]: At program point L244-1(lines 244 250) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:24:30,656 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 00:24:30,656 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 00:24:30,658 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 00:24:30,662 INFO L258 CegarLoopResult]: At program point L674(lines 669 677) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:24:30,662 INFO L258 CegarLoopResult]: At program point L674-1(lines 669 677) the Hoare annotation is: false [2021-10-11 00:24:30,663 INFO L258 CegarLoopResult]: At program point L674-2(lines 669 677) the Hoare annotation is: false [2021-10-11 00:24:30,663 INFO L262 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2021-10-11 00:24:30,663 INFO L262 CegarLoopResult]: For program point L757(lines 757 770) no Hoare annotation was computed. [2021-10-11 00:24:30,663 INFO L262 CegarLoopResult]: For program point L790-1(lines 141 147) no Hoare annotation was computed. [2021-10-11 00:24:30,664 INFO L258 CegarLoopResult]: At program point L757-1(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:24:30,664 INFO L262 CegarLoopResult]: For program point L757-2(lines 757 770) no Hoare annotation was computed. [2021-10-11 00:24:30,664 INFO L258 CegarLoopResult]: At program point L757-3(lines 1 869) the Hoare annotation is: false [2021-10-11 00:24:30,664 INFO L262 CegarLoopResult]: For program point L757-4(lines 757 770) no Hoare annotation was computed. [2021-10-11 00:24:30,664 INFO L258 CegarLoopResult]: At program point L757-5(lines 1 869) the Hoare annotation is: false [2021-10-11 00:24:30,664 INFO L262 CegarLoopResult]: For program point L97(lines 97 112) no Hoare annotation was computed. [2021-10-11 00:24:30,664 INFO L262 CegarLoopResult]: For program point L857(lines 857 864) no Hoare annotation was computed. [2021-10-11 00:24:30,671 INFO L265 CegarLoopResult]: At program point L857-1(lines 857 864) the Hoare annotation is: true [2021-10-11 00:24:30,671 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:24:30,672 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:24:30,672 INFO L258 CegarLoopResult]: At program point L148(lines 148 154) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:24:30,672 INFO L258 CegarLoopResult]: At program point L148-1(lines 148 154) the Hoare annotation is: false [2021-10-11 00:24:30,672 INFO L258 CegarLoopResult]: At program point L148-2(lines 148 154) the Hoare annotation is: false [2021-10-11 00:24:30,672 INFO L262 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2021-10-11 00:24:30,673 INFO L258 CegarLoopResult]: At program point L744(lines 739 747) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:24:30,673 INFO L262 CegarLoopResult]: For program point L761(lines 761 767) no Hoare annotation was computed. [2021-10-11 00:24:30,673 INFO L262 CegarLoopResult]: For program point L761-2(lines 761 767) no Hoare annotation was computed. [2021-10-11 00:24:30,673 INFO L258 CegarLoopResult]: At program point L117(lines 66 118) the Hoare annotation is: false [2021-10-11 00:24:30,673 INFO L262 CegarLoopResult]: For program point L761-4(lines 761 767) no Hoare annotation was computed. [2021-10-11 00:24:30,673 INFO L258 CegarLoopResult]: At program point L200(lines 195 203) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:24:30,674 INFO L258 CegarLoopResult]: At program point L200-1(lines 195 203) the Hoare annotation is: false [2021-10-11 00:24:30,674 INFO L258 CegarLoopResult]: At program point L200-2(lines 195 203) the Hoare annotation is: false [2021-10-11 00:24:30,674 INFO L262 CegarLoopResult]: For program point L68(lines 67 116) no Hoare annotation was computed. [2021-10-11 00:24:30,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:24:30 BoogieIcfgContainer [2021-10-11 00:24:30,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:24:30,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:24:30,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:24:30,713 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:24:30,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:28" (3/4) ... [2021-10-11 00:24:30,717 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:24:30,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:24:30,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:24:30,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:24:30,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:24:30,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:24:30,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:24:30,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:24:30,773 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2021-10-11 00:24:30,773 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2021-10-11 00:24:30,774 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:24:30,774 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:24:30,775 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:24:30,775 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:24:30,775 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:24:30,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:24:30,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:24:30,777 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:24:30,777 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:24:30,820 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e21bda5-53d4-4878-9d5d-b60ec3bb8858/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:24:30,821 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:24:30,823 INFO L168 Benchmark]: Toolchain (without parser) took 3939.67 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 60.2 MB in the beginning and 68.4 MB in the end (delta: -8.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:30,823 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 73.4 MB. Free memory was 31.9 MB in the beginning and 31.8 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:24:30,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.87 ms. Allocated memory is still 92.3 MB. Free memory was 60.0 MB in the beginning and 61.1 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:30,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.72 ms. Allocated memory is still 92.3 MB. Free memory was 61.1 MB in the beginning and 58.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:30,825 INFO L168 Benchmark]: Boogie Preprocessor took 41.05 ms. Allocated memory is still 92.3 MB. Free memory was 58.3 MB in the beginning and 56.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:30,825 INFO L168 Benchmark]: RCFGBuilder took 1100.14 ms. Allocated memory is still 92.3 MB. Free memory was 56.4 MB in the beginning and 50.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:30,826 INFO L168 Benchmark]: TraceAbstraction took 1940.48 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 50.3 MB in the beginning and 73.6 MB in the end (delta: -23.3 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:30,826 INFO L168 Benchmark]: Witness Printer took 108.42 ms. Allocated memory is still 121.6 MB. Free memory was 73.6 MB in the beginning and 68.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:30,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 73.4 MB. Free memory was 31.9 MB in the beginning and 31.8 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 616.87 ms. Allocated memory is still 92.3 MB. Free memory was 60.0 MB in the beginning and 61.1 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.72 ms. Allocated memory is still 92.3 MB. Free memory was 61.1 MB in the beginning and 58.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.05 ms. Allocated memory is still 92.3 MB. Free memory was 58.3 MB in the beginning and 56.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1100.14 ms. Allocated memory is still 92.3 MB. Free memory was 56.4 MB in the beginning and 50.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1940.48 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 50.3 MB in the beginning and 73.6 MB in the end (delta: -23.3 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. * Witness Printer took 108.42 ms. Allocated memory is still 121.6 MB. Free memory was 73.6 MB in the beginning and 68.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 268 SDtfs, 417 SDslu, 274 SDs, 0 SdLazy, 44 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 176 HoareAnnotationTreeSize, 26 FomulaSimplifications, 4132 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3801 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...