./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.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_9791975f-49da-4b76-ad39-84146fff8c9d/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791975f-49da-4b76-ad39-84146fff8c9d/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_9791975f-49da-4b76-ad39-84146fff8c9d/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791975f-49da-4b76-ad39-84146fff8c9d/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791975f-49da-4b76-ad39-84146fff8c9d/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_9791975f-49da-4b76-ad39-84146fff8c9d/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 ebcff49133dade640f52684ce96120818f74fe08 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:30:24,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:30:24,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:30:24,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:30:24,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:30:24,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:30:24,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:30:24,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:30:24,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:30:24,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:30:24,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:30:24,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:30:24,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:30:24,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:30:24,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:30:24,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:30:24,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:30:24,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:30:24,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:30:24,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:30:24,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:30:24,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:30:24,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:30:24,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:30:24,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:30:24,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:30:24,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:30:24,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:30:24,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:30:24,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:30:24,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:30:24,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:30:24,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:30:24,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:30:24,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:30:24,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:30:24,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:30:24,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:30:24,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:30:24,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:30:24,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:30:24,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791975f-49da-4b76-ad39-84146fff8c9d/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:30:24,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:30:24,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:30:24,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:30:24,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:30:24,476 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:30:24,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:30:24,476 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:30:24,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:30:24,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:30:24,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:30:24,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:30:24,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:30:24,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:30:24,485 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:30:24,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:30:24,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:30:24,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:30:24,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:30:24,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:30:24,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:30:24,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:30:24,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:30:24,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:30:24,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:30:24,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:30:24,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:30:24,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:30:24,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:30:24,488 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_9791975f-49da-4b76-ad39-84146fff8c9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791975f-49da-4b76-ad39-84146fff8c9d/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebcff49133dade640f52684ce96120818f74fe08 [2021-10-11 00:30:24,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:30:24,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:30:24,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:30:24,891 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:30:24,891 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:30:24,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791975f-49da-4b76-ad39-84146fff8c9d/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2021-10-11 00:30:24,981 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791975f-49da-4b76-ad39-84146fff8c9d/bin/uautomizer-Z5i5R5N3CC/data/e9b101c50/7f41f49acecd4a60ac0d4615f0e29cf3/FLAG59c031463 [2021-10-11 00:30:25,572 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:30:25,573 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791975f-49da-4b76-ad39-84146fff8c9d/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2021-10-11 00:30:25,584 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791975f-49da-4b76-ad39-84146fff8c9d/bin/uautomizer-Z5i5R5N3CC/data/e9b101c50/7f41f49acecd4a60ac0d4615f0e29cf3/FLAG59c031463 [2021-10-11 00:30:25,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791975f-49da-4b76-ad39-84146fff8c9d/bin/uautomizer-Z5i5R5N3CC/data/e9b101c50/7f41f49acecd4a60ac0d4615f0e29cf3 [2021-10-11 00:30:25,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:30:25,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:30:25,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:30:25,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:30:25,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:30:25,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:30:25" (1/1) ... [2021-10-11 00:30:25,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd255a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:25, skipping insertion in model container [2021-10-11 00:30:25,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:30:25" (1/1) ... [2021-10-11 00:30:25,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:30:26,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:30:26,358 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_9791975f-49da-4b76-ad39-84146fff8c9d/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c[14037,14050] [2021-10-11 00:30:26,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:30:26,398 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:30:26,489 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_9791975f-49da-4b76-ad39-84146fff8c9d/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c[14037,14050] [2021-10-11 00:30:26,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:30:26,539 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:30:26,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:26 WrapperNode [2021-10-11 00:30:26,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:30:26,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:30:26,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:30:26,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:30:26,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:26" (1/1) ... [2021-10-11 00:30:26,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:26" (1/1) ... [2021-10-11 00:30:26,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:30:26,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:30:26,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:30:26,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:30:26,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:26" (1/1) ... [2021-10-11 00:30:26,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:26" (1/1) ... [2021-10-11 00:30:26,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:26" (1/1) ... [2021-10-11 00:30:26,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:26" (1/1) ... [2021-10-11 00:30:26,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:26" (1/1) ... [2021-10-11 00:30:26,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:26" (1/1) ... [2021-10-11 00:30:26,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:26" (1/1) ... [2021-10-11 00:30:26,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:30:26,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:30:26,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:30:26,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:30:26,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:26" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791975f-49da-4b76-ad39-84146fff8c9d/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 00:30:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:30:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:30:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:30:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:30:27,784 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:30:27,784 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-11 00:30:27,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:27 BoogieIcfgContainer [2021-10-11 00:30:27,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:30:27,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:30:27,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:30:27,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:30:27,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:30:25" (1/3) ... [2021-10-11 00:30:27,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cfbb42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:30:27, skipping insertion in model container [2021-10-11 00:30:27,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:26" (2/3) ... [2021-10-11 00:30:27,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cfbb42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:30:27, skipping insertion in model container [2021-10-11 00:30:27,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:27" (3/3) ... [2021-10-11 00:30:27,794 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product30.cil.c [2021-10-11 00:30:27,807 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:30:27,811 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:30:27,821 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:30:27,846 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:30:27,847 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:30:27,847 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:30:27,847 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:30:27,847 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:30:27,847 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:30:27,847 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:30:27,847 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:30:27,864 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2021-10-11 00:30:27,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:30:27,868 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:27,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:27,869 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:27,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:27,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1818136157, now seen corresponding path program 1 times [2021-10-11 00:30:27,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:27,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622710845] [2021-10-11 00:30:27,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:28,116 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 00:30:28,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622710845] [2021-10-11 00:30:28,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:28,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:30:28,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507157900] [2021-10-11 00:30:28,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:30:28,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:28,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:30:28,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:30:28,138 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2021-10-11 00:30:28,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:28,168 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2021-10-11 00:30:28,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:30:28,169 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:30:28,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:28,179 INFO L225 Difference]: With dead ends: 204 [2021-10-11 00:30:28,179 INFO L226 Difference]: Without dead ends: 101 [2021-10-11 00:30:28,182 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 00:30:28,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-11 00:30:28,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-10-11 00:30:28,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-10-11 00:30:28,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2021-10-11 00:30:28,224 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2021-10-11 00:30:28,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:28,225 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2021-10-11 00:30:28,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:30:28,225 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2021-10-11 00:30:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:30:28,227 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:28,227 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 00:30:28,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:30:28,228 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:28,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:28,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1430074242, now seen corresponding path program 1 times [2021-10-11 00:30:28,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:28,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792037974] [2021-10-11 00:30:28,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:28,372 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 00:30:28,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792037974] [2021-10-11 00:30:28,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:28,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:30:28,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164641255] [2021-10-11 00:30:28,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:28,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:28,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:28,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:30:28,380 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2021-10-11 00:30:28,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:28,390 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2021-10-11 00:30:28,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:28,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:30:28,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:28,392 INFO L225 Difference]: With dead ends: 101 [2021-10-11 00:30:28,392 INFO L226 Difference]: Without dead ends: 43 [2021-10-11 00:30:28,394 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 00:30:28,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-11 00:30:28,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-11 00:30:28,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-10-11 00:30:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2021-10-11 00:30:28,400 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2021-10-11 00:30:28,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:28,400 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2021-10-11 00:30:28,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:28,400 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2021-10-11 00:30:28,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:30:28,401 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:28,401 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 00:30:28,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:30:28,402 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:28,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:28,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2021-10-11 00:30:28,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:28,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688024736] [2021-10-11 00:30:28,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:28,496 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 00:30:28,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688024736] [2021-10-11 00:30:28,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:28,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:30:28,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413150103] [2021-10-11 00:30:28,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:28,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:28,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:28,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:30:28,503 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2021-10-11 00:30:28,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:28,541 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2021-10-11 00:30:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:28,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:30:28,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:28,544 INFO L225 Difference]: With dead ends: 80 [2021-10-11 00:30:28,545 INFO L226 Difference]: Without dead ends: 43 [2021-10-11 00:30:28,546 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 00:30:28,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-11 00:30:28,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-11 00:30:28,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-10-11 00:30:28,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-10-11 00:30:28,558 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2021-10-11 00:30:28,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:28,558 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-10-11 00:30:28,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:28,559 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-10-11 00:30:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:30:28,587 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:28,587 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 00:30:28,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:30:28,588 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:28,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:28,589 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2021-10-11 00:30:28,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:28,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065977112] [2021-10-11 00:30:28,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:28,749 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 00:30:28,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065977112] [2021-10-11 00:30:28,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:28,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:30:28,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384453112] [2021-10-11 00:30:28,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:30:28,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:28,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:30:28,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:28,757 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2021-10-11 00:30:28,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:28,922 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2021-10-11 00:30:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:30:28,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:30:28,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:28,927 INFO L225 Difference]: With dead ends: 204 [2021-10-11 00:30:28,928 INFO L226 Difference]: Without dead ends: 167 [2021-10-11 00:30:28,929 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 00:30:28,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-10-11 00:30:28,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2021-10-11 00:30:28,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-10-11 00:30:28,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2021-10-11 00:30:28,957 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2021-10-11 00:30:28,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:28,958 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2021-10-11 00:30:28,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:30:28,959 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2021-10-11 00:30:28,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:30:28,961 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:28,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:28,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:30:28,962 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:28,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:28,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1843821250, now seen corresponding path program 1 times [2021-10-11 00:30:28,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:28,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417949733] [2021-10-11 00:30:28,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:29,075 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 00:30:29,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417949733] [2021-10-11 00:30:29,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:29,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:30:29,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524790259] [2021-10-11 00:30:29,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:30:29,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:29,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:30:29,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:29,080 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 5 states. [2021-10-11 00:30:29,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:29,171 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2021-10-11 00:30:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:30:29,172 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 00:30:29,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:29,172 INFO L225 Difference]: With dead ends: 174 [2021-10-11 00:30:29,172 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:30:29,174 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 00:30:29,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:30:29,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:30:29,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:30:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:30:29,175 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-11 00:30:29,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:29,175 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:30:29,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:30:29,175 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:30:29,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:30:29,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:30:29,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:30:29,400 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 645) no Hoare annotation was computed. [2021-10-11 00:30:29,400 INFO L262 CegarLoopResult]: For program point L895(lines 894 941) no Hoare annotation was computed. [2021-10-11 00:30:29,400 INFO L262 CegarLoopResult]: For program point L896(lines 896 900) no Hoare annotation was computed. [2021-10-11 00:30:29,400 INFO L262 CegarLoopResult]: For program point L698(lines 698 706) no Hoare annotation was computed. [2021-10-11 00:30:29,401 INFO L262 CegarLoopResult]: For program point L698-1(lines 698 706) no Hoare annotation was computed. [2021-10-11 00:30:29,401 INFO L262 CegarLoopResult]: For program point L698-2(lines 698 706) no Hoare annotation was computed. [2021-10-11 00:30:29,401 INFO L262 CegarLoopResult]: For program point L698-3(lines 698 706) no Hoare annotation was computed. [2021-10-11 00:30:29,401 INFO L262 CegarLoopResult]: For program point L698-4(lines 698 706) no Hoare annotation was computed. [2021-10-11 00:30:29,401 INFO L262 CegarLoopResult]: For program point L698-5(lines 698 706) no Hoare annotation was computed. [2021-10-11 00:30:29,403 INFO L258 CegarLoopResult]: At program point L534(lines 1 949) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:30:29,403 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:30:29,403 INFO L262 CegarLoopResult]: For program point L932(lines 932 936) no Hoare annotation was computed. [2021-10-11 00:30:29,403 INFO L258 CegarLoopResult]: At program point L932-2(lines 662 668) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:30:29,404 INFO L262 CegarLoopResult]: For program point L866(lines 866 879) no Hoare annotation was computed. [2021-10-11 00:30:29,404 INFO L258 CegarLoopResult]: At program point L866-1(lines 1 949) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:30:29,405 INFO L262 CegarLoopResult]: For program point L866-2(lines 866 879) no Hoare annotation was computed. [2021-10-11 00:30:29,405 INFO L258 CegarLoopResult]: At program point L866-3(lines 1 949) the Hoare annotation is: false [2021-10-11 00:30:29,406 INFO L262 CegarLoopResult]: For program point L866-4(lines 866 879) no Hoare annotation was computed. [2021-10-11 00:30:29,406 INFO L258 CegarLoopResult]: At program point L866-5(lines 1 949) the Hoare annotation is: false [2021-10-11 00:30:29,406 INFO L258 CegarLoopResult]: At program point L669(lines 669 675) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:30:29,407 INFO L258 CegarLoopResult]: At program point L636(lines 631 639) the Hoare annotation is: false [2021-10-11 00:30:29,407 INFO L258 CegarLoopResult]: At program point L669-1(lines 669 675) the Hoare annotation is: false [2021-10-11 00:30:29,407 INFO L258 CegarLoopResult]: At program point L636-1(lines 631 639) the Hoare annotation is: false [2021-10-11 00:30:29,407 INFO L258 CegarLoopResult]: At program point L669-2(lines 669 675) the Hoare annotation is: false [2021-10-11 00:30:29,408 INFO L262 CegarLoopResult]: For program point L570(lines 570 574) no Hoare annotation was computed. [2021-10-11 00:30:29,408 INFO L258 CegarLoopResult]: At program point L636-2(lines 631 639) the Hoare annotation is: false [2021-10-11 00:30:29,408 INFO L258 CegarLoopResult]: At program point L636-3(lines 631 639) the Hoare annotation is: false [2021-10-11 00:30:29,408 INFO L258 CegarLoopResult]: At program point L636-4(lines 631 639) the Hoare annotation is: false [2021-10-11 00:30:29,408 INFO L258 CegarLoopResult]: At program point L636-5(lines 631 639) the Hoare annotation is: false [2021-10-11 00:30:29,408 INFO L265 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-11 00:30:29,409 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 645) no Hoare annotation was computed. [2021-10-11 00:30:29,412 INFO L262 CegarLoopResult]: For program point L870(lines 870 876) no Hoare annotation was computed. [2021-10-11 00:30:29,412 INFO L262 CegarLoopResult]: For program point L870-2(lines 870 876) no Hoare annotation was computed. [2021-10-11 00:30:29,412 INFO L262 CegarLoopResult]: For program point L870-4(lines 870 876) no Hoare annotation was computed. [2021-10-11 00:30:29,412 INFO L262 CegarLoopResult]: For program point L904(lines 904 910) no Hoare annotation was computed. [2021-10-11 00:30:29,413 INFO L258 CegarLoopResult]: At program point L904-1(lines 904 910) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:30:29,413 INFO L262 CegarLoopResult]: For program point L839(lines 839 843) no Hoare annotation was computed. [2021-10-11 00:30:29,413 INFO L262 CegarLoopResult]: For program point L839-2(lines 839 843) no Hoare annotation was computed. [2021-10-11 00:30:29,413 INFO L262 CegarLoopResult]: For program point L839-3(lines 839 843) no Hoare annotation was computed. [2021-10-11 00:30:29,414 INFO L262 CegarLoopResult]: For program point L839-5(lines 839 843) no Hoare annotation was computed. [2021-10-11 00:30:29,414 INFO L262 CegarLoopResult]: For program point L839-6(lines 839 843) no Hoare annotation was computed. [2021-10-11 00:30:29,414 INFO L262 CegarLoopResult]: For program point L839-8(lines 839 843) no Hoare annotation was computed. [2021-10-11 00:30:29,414 INFO L258 CegarLoopResult]: At program point L542(lines 537 545) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:30:29,421 INFO L262 CegarLoopResult]: For program point L839-9(lines 839 843) no Hoare annotation was computed. [2021-10-11 00:30:29,422 INFO L262 CegarLoopResult]: For program point L839-11(lines 839 843) no Hoare annotation was computed. [2021-10-11 00:30:29,422 INFO L262 CegarLoopResult]: For program point L839-12(lines 839 843) no Hoare annotation was computed. [2021-10-11 00:30:29,422 INFO L262 CegarLoopResult]: For program point L839-14(lines 839 843) no Hoare annotation was computed. [2021-10-11 00:30:29,422 INFO L262 CegarLoopResult]: For program point L839-15(lines 839 843) no Hoare annotation was computed. [2021-10-11 00:30:29,423 INFO L262 CegarLoopResult]: For program point L839-17(lines 839 843) no Hoare annotation was computed. [2021-10-11 00:30:29,423 INFO L258 CegarLoopResult]: At program point L942(lines 893 943) the Hoare annotation is: false [2021-10-11 00:30:29,423 INFO L262 CegarLoopResult]: For program point L645(line 645) no Hoare annotation was computed. [2021-10-11 00:30:29,423 INFO L262 CegarLoopResult]: For program point L645-1(line 645) no Hoare annotation was computed. [2021-10-11 00:30:29,423 INFO L262 CegarLoopResult]: For program point L645-2(line 645) no Hoare annotation was computed. [2021-10-11 00:30:29,423 INFO L258 CegarLoopResult]: At program point L845(lines 830 848) the Hoare annotation is: false [2021-10-11 00:30:29,423 INFO L258 CegarLoopResult]: At program point L845-1(lines 830 848) the Hoare annotation is: false [2021-10-11 00:30:29,424 INFO L258 CegarLoopResult]: At program point L845-2(lines 830 848) the Hoare annotation is: false [2021-10-11 00:30:29,424 INFO L258 CegarLoopResult]: At program point L845-3(lines 830 848) the Hoare annotation is: false [2021-10-11 00:30:29,424 INFO L258 CegarLoopResult]: At program point L845-4(lines 830 848) the Hoare annotation is: false [2021-10-11 00:30:29,424 INFO L258 CegarLoopResult]: At program point L845-5(lines 830 848) the Hoare annotation is: false [2021-10-11 00:30:29,424 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:30:29,424 INFO L262 CegarLoopResult]: For program point L582(lines 582 586) no Hoare annotation was computed. [2021-10-11 00:30:29,424 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 00:30:29,425 INFO L258 CegarLoopResult]: At program point L781(lines 774 784) the Hoare annotation is: false [2021-10-11 00:30:29,425 INFO L258 CegarLoopResult]: At program point L781-1(lines 774 784) the Hoare annotation is: false [2021-10-11 00:30:29,425 INFO L258 CegarLoopResult]: At program point L781-2(lines 774 784) the Hoare annotation is: false [2021-10-11 00:30:29,425 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 00:30:29,426 INFO L262 CegarLoopResult]: For program point L914(lines 914 920) no Hoare annotation was computed. [2021-10-11 00:30:29,426 INFO L258 CegarLoopResult]: At program point L914-1(lines 914 920) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:30:29,426 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:30:29,426 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 00:30:29,426 INFO L262 CegarLoopResult]: For program point L58-1(lines 662 668) no Hoare annotation was computed. [2021-10-11 00:30:29,426 INFO L262 CegarLoopResult]: For program point L720(lines 720 737) no Hoare annotation was computed. [2021-10-11 00:30:29,426 INFO L262 CegarLoopResult]: For program point L720-1(lines 720 737) no Hoare annotation was computed. [2021-10-11 00:30:29,427 INFO L262 CegarLoopResult]: For program point L720-2(lines 720 737) no Hoare annotation was computed. [2021-10-11 00:30:29,427 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:30:29,427 INFO L262 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2021-10-11 00:30:29,427 INFO L262 CegarLoopResult]: For program point L558-3(lines 558 562) no Hoare annotation was computed. [2021-10-11 00:30:29,427 INFO L262 CegarLoopResult]: For program point L558-6(lines 558 562) no Hoare annotation was computed. [2021-10-11 00:30:29,427 INFO L258 CegarLoopResult]: At program point L790(lines 785 793) 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 00:30:29,427 INFO L258 CegarLoopResult]: At program point L790-1(lines 785 793) the Hoare annotation is: false [2021-10-11 00:30:29,428 INFO L262 CegarLoopResult]: For program point L724(lines 724 732) no Hoare annotation was computed. [2021-10-11 00:30:29,428 INFO L258 CegarLoopResult]: At program point L790-2(lines 785 793) the Hoare annotation is: false [2021-10-11 00:30:29,428 INFO L262 CegarLoopResult]: For program point L724-1(lines 724 732) no Hoare annotation was computed. [2021-10-11 00:30:29,429 INFO L262 CegarLoopResult]: For program point L724-2(lines 724 732) no Hoare annotation was computed. [2021-10-11 00:30:29,429 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:30:29,429 INFO L262 CegarLoopResult]: For program point L924(lines 924 937) no Hoare annotation was computed. [2021-10-11 00:30:29,429 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 645) no Hoare annotation was computed. [2021-10-11 00:30:29,429 INFO L262 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-11 00:30:29,429 INFO L265 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-11 00:30:29,429 INFO L262 CegarLoopResult]: For program point L694(lines 694 711) no Hoare annotation was computed. [2021-10-11 00:30:29,430 INFO L262 CegarLoopResult]: For program point L694-1(lines 694 711) no Hoare annotation was computed. [2021-10-11 00:30:29,430 INFO L262 CegarLoopResult]: For program point L694-2(lines 694 711) no Hoare annotation was computed. [2021-10-11 00:30:29,430 INFO L258 CegarLoopResult]: At program point L595(lines 590 598) the Hoare annotation is: false [2021-10-11 00:30:29,430 INFO L262 CegarLoopResult]: For program point L694-3(lines 694 711) no Hoare annotation was computed. [2021-10-11 00:30:29,430 INFO L258 CegarLoopResult]: At program point L595-1(lines 590 598) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:30:29,430 INFO L262 CegarLoopResult]: For program point L694-4(lines 694 711) no Hoare annotation was computed. [2021-10-11 00:30:29,430 INFO L258 CegarLoopResult]: At program point L595-2(lines 590 598) the Hoare annotation is: false [2021-10-11 00:30:29,430 INFO L262 CegarLoopResult]: For program point L694-5(lines 694 711) no Hoare annotation was computed. [2021-10-11 00:30:29,431 INFO L258 CegarLoopResult]: At program point L595-3(lines 590 598) the Hoare annotation is: false [2021-10-11 00:30:29,431 INFO L258 CegarLoopResult]: At program point L595-4(lines 590 598) the Hoare annotation is: false [2021-10-11 00:30:29,431 INFO L258 CegarLoopResult]: At program point L595-5(lines 590 598) the Hoare annotation is: false [2021-10-11 00:30:29,431 INFO L258 CegarLoopResult]: At program point L662(lines 661 680) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:30:29,431 INFO L262 CegarLoopResult]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2021-10-11 00:30:29,431 INFO L258 CegarLoopResult]: At program point L662-2(lines 661 680) the Hoare annotation is: false [2021-10-11 00:30:29,431 INFO L258 CegarLoopResult]: At program point L662-3(lines 661 680) the Hoare annotation is: false [2021-10-11 00:30:29,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:30:29 BoogieIcfgContainer [2021-10-11 00:30:29,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:30:29,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:30:29,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:30:29,461 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:30:29,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:27" (3/4) ... [2021-10-11 00:30:29,465 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:30:29,490 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:30:29,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:30:29,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:30:29,494 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:30:29,495 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:30:29,496 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:30:29,497 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:30:29,531 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:30:29,600 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791975f-49da-4b76-ad39-84146fff8c9d/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:30:29,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:30:29,602 INFO L168 Benchmark]: Toolchain (without parser) took 3699.17 ms. Allocated memory was 127.9 MB in the beginning and 165.7 MB in the end (delta: 37.7 MB). Free memory was 92.3 MB in the beginning and 109.0 MB in the end (delta: -16.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:29,602 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 83.9 MB. Free memory was 55.3 MB in the beginning and 55.3 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:30:29,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.22 ms. Allocated memory is still 127.9 MB. Free memory was 92.3 MB in the beginning and 93.2 MB in the end (delta: -914.0 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:29,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.22 ms. Allocated memory is still 127.9 MB. Free memory was 93.2 MB in the beginning and 89.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:29,603 INFO L168 Benchmark]: Boogie Preprocessor took 57.84 ms. Allocated memory is still 127.9 MB. Free memory was 89.6 MB in the beginning and 87.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:29,604 INFO L168 Benchmark]: RCFGBuilder took 1101.41 ms. Allocated memory is still 127.9 MB. Free memory was 87.4 MB in the beginning and 90.6 MB in the end (delta: -3.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:29,604 INFO L168 Benchmark]: TraceAbstraction took 1672.93 ms. Allocated memory was 127.9 MB in the beginning and 165.7 MB in the end (delta: 37.7 MB). Free memory was 89.9 MB in the beginning and 118.4 MB in the end (delta: -28.5 MB). Peak memory consumption was 54.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:29,604 INFO L168 Benchmark]: Witness Printer took 139.22 ms. Allocated memory is still 165.7 MB. Free memory was 118.4 MB in the beginning and 109.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:29,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 83.9 MB. Free memory was 55.3 MB in the beginning and 55.3 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 633.22 ms. Allocated memory is still 127.9 MB. Free memory was 92.3 MB in the beginning and 93.2 MB in the end (delta: -914.0 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.22 ms. Allocated memory is still 127.9 MB. Free memory was 93.2 MB in the beginning and 89.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.84 ms. Allocated memory is still 127.9 MB. Free memory was 89.6 MB in the beginning and 87.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1101.41 ms. Allocated memory is still 127.9 MB. Free memory was 87.4 MB in the beginning and 90.6 MB in the end (delta: -3.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1672.93 ms. Allocated memory was 127.9 MB in the beginning and 165.7 MB in the end (delta: 37.7 MB). Free memory was 89.9 MB in the beginning and 118.4 MB in the end (delta: -28.5 MB). Peak memory consumption was 54.2 MB. Max. memory is 16.1 GB. * Witness Printer took 139.22 ms. Allocated memory is still 165.7 MB. Free memory was 118.4 MB in the beginning and 109.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 645]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 645]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 645]: 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: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 404 SDslu, 332 SDs, 0 SdLazy, 58 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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=105occurred 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, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 84 NumberOfFragments, 145 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1274 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4199 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...