./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.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_a40a19d8-ae52-465b-b2d2-87a4f798a677/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40a19d8-ae52-465b-b2d2-87a4f798a677/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_a40a19d8-ae52-465b-b2d2-87a4f798a677/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40a19d8-ae52-465b-b2d2-87a4f798a677/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40a19d8-ae52-465b-b2d2-87a4f798a677/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_a40a19d8-ae52-465b-b2d2-87a4f798a677/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 b67757251629fd1bffeb4ee115ae4af5ebdd6873 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:22:11,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:22:11,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:22:11,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:22:11,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:22:11,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:22:11,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:22:11,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:22:11,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:22:11,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:22:11,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:22:11,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:22:11,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:22:11,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:22:11,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:22:11,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:22:11,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:22:11,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:22:11,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:22:11,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:22:11,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:22:11,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:22:11,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:22:11,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:22:11,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:22:11,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:22:11,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:22:11,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:22:11,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:22:11,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:22:11,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:22:11,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:22:11,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:22:11,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:22:11,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:22:11,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:22:11,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:22:11,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:22:11,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:22:11,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:22:11,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:22:11,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40a19d8-ae52-465b-b2d2-87a4f798a677/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:22:11,463 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:22:11,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:22:11,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:22:11,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:22:11,465 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:22:11,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:22:11,466 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:22:11,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:22:11,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:22:11,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:22:11,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:22:11,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:22:11,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:22:11,467 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:22:11,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:22:11,468 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:22:11,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:22:11,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:22:11,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:22:11,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:22:11,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:22:11,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:22:11,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:22:11,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:22:11,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:22:11,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:22:11,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:22:11,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:22:11,471 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_a40a19d8-ae52-465b-b2d2-87a4f798a677/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40a19d8-ae52-465b-b2d2-87a4f798a677/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b67757251629fd1bffeb4ee115ae4af5ebdd6873 [2021-10-11 00:22:11,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:22:11,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:22:11,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:22:11,760 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:22:11,762 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:22:11,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40a19d8-ae52-465b-b2d2-87a4f798a677/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-10-11 00:22:11,843 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40a19d8-ae52-465b-b2d2-87a4f798a677/bin/uautomizer-Z5i5R5N3CC/data/100a11ce7/ac2a82ad54484f1e8be36222d3d5e6af/FLAGc388f744a [2021-10-11 00:22:12,411 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:22:12,414 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40a19d8-ae52-465b-b2d2-87a4f798a677/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-10-11 00:22:12,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40a19d8-ae52-465b-b2d2-87a4f798a677/bin/uautomizer-Z5i5R5N3CC/data/100a11ce7/ac2a82ad54484f1e8be36222d3d5e6af/FLAGc388f744a [2021-10-11 00:22:12,675 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40a19d8-ae52-465b-b2d2-87a4f798a677/bin/uautomizer-Z5i5R5N3CC/data/100a11ce7/ac2a82ad54484f1e8be36222d3d5e6af [2021-10-11 00:22:12,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:22:12,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:22:12,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:12,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:22:12,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:22:12,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:12" (1/1) ... [2021-10-11 00:22:12,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697a4edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:12, skipping insertion in model container [2021-10-11 00:22:12,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:12" (1/1) ... [2021-10-11 00:22:12,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:22:12,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:22:13,078 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_a40a19d8-ae52-465b-b2d2-87a4f798a677/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13152,13165] [2021-10-11 00:22:13,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:13,118 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:22:13,178 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_a40a19d8-ae52-465b-b2d2-87a4f798a677/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13152,13165] [2021-10-11 00:22:13,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:13,227 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:22:13,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:13 WrapperNode [2021-10-11 00:22:13,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:13,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:13,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:22:13,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:22:13,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:13" (1/1) ... [2021-10-11 00:22:13,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:13" (1/1) ... [2021-10-11 00:22:13,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:13,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:22:13,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:22:13,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:22:13,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:13" (1/1) ... [2021-10-11 00:22:13,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:13" (1/1) ... [2021-10-11 00:22:13,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:13" (1/1) ... [2021-10-11 00:22:13,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:13" (1/1) ... [2021-10-11 00:22:13,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:13" (1/1) ... [2021-10-11 00:22:13,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:13" (1/1) ... [2021-10-11 00:22:13,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:13" (1/1) ... [2021-10-11 00:22:13,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:22:13,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:22:13,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:22:13,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:22:13,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:13" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40a19d8-ae52-465b-b2d2-87a4f798a677/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 00:22:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:22:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:22:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:22:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:22:14,334 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:22:14,335 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-11 00:22:14,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:14 BoogieIcfgContainer [2021-10-11 00:22:14,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:22:14,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:22:14,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:22:14,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:22:14,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:22:12" (1/3) ... [2021-10-11 00:22:14,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604d50dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:14, skipping insertion in model container [2021-10-11 00:22:14,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:13" (2/3) ... [2021-10-11 00:22:14,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604d50dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:14, skipping insertion in model container [2021-10-11 00:22:14,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:14" (3/3) ... [2021-10-11 00:22:14,351 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2021-10-11 00:22:14,364 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:22:14,368 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:22:14,376 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:22:14,400 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:22:14,401 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:22:14,401 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:22:14,401 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:22:14,401 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:22:14,401 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:22:14,402 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:22:14,402 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:22:14,416 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2021-10-11 00:22:14,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:22:14,422 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:14,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:14,423 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:14,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:14,429 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2021-10-11 00:22:14,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:14,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291905827] [2021-10-11 00:22:14,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:14,694 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 00:22:14,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291905827] [2021-10-11 00:22:14,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:14,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:22:14,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092873008] [2021-10-11 00:22:14,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:22:14,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:14,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:22:14,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:22:14,723 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2021-10-11 00:22:14,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:14,766 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-10-11 00:22:14,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:22:14,767 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:22:14,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:14,789 INFO L225 Difference]: With dead ends: 132 [2021-10-11 00:22:14,799 INFO L226 Difference]: Without dead ends: 65 [2021-10-11 00:22:14,803 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 00:22:14,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-11 00:22:14,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-11 00:22:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2021-10-11 00:22:14,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-10-11 00:22:14,857 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2021-10-11 00:22:14,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:14,858 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-11 00:22:14,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:22:14,859 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-10-11 00:22:14,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:22:14,861 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:14,861 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 00:22:14,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:22:14,862 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:14,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:14,865 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2021-10-11 00:22:14,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:14,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024504259] [2021-10-11 00:22:14,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:15,022 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 00:22:15,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024504259] [2021-10-11 00:22:15,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:15,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:22:15,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543535709] [2021-10-11 00:22:15,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:22:15,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:15,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:22:15,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:15,033 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2021-10-11 00:22:15,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:15,049 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2021-10-11 00:22:15,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:22:15,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:22:15,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:15,055 INFO L225 Difference]: With dead ends: 65 [2021-10-11 00:22:15,055 INFO L226 Difference]: Without dead ends: 31 [2021-10-11 00:22:15,056 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 00:22:15,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-11 00:22:15,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-11 00:22:15,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-10-11 00:22:15,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-11 00:22:15,061 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2021-10-11 00:22:15,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:15,062 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-11 00:22:15,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:22:15,062 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-11 00:22:15,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:22:15,063 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:15,063 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 00:22:15,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:22:15,064 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:15,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:15,065 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2021-10-11 00:22:15,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:15,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328459005] [2021-10-11 00:22:15,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:15,180 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 00:22:15,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328459005] [2021-10-11 00:22:15,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:15,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:22:15,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609814929] [2021-10-11 00:22:15,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:22:15,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:15,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:22:15,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:15,184 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2021-10-11 00:22:15,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:15,265 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-10-11 00:22:15,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:22:15,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 00:22:15,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:15,268 INFO L225 Difference]: With dead ends: 56 [2021-10-11 00:22:15,269 INFO L226 Difference]: Without dead ends: 31 [2021-10-11 00:22:15,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 00:22:15,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-11 00:22:15,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-11 00:22:15,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-10-11 00:22:15,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-10-11 00:22:15,281 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2021-10-11 00:22:15,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:15,282 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-10-11 00:22:15,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:22:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-10-11 00:22:15,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:22:15,283 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:15,284 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 00:22:15,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:22:15,284 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:15,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:15,285 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2021-10-11 00:22:15,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:15,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142181161] [2021-10-11 00:22:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:15,373 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 00:22:15,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142181161] [2021-10-11 00:22:15,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:15,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:22:15,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816770707] [2021-10-11 00:22:15,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:22:15,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:15,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:22:15,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:15,376 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2021-10-11 00:22:15,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:15,475 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2021-10-11 00:22:15,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:22:15,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 00:22:15,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:15,481 INFO L225 Difference]: With dead ends: 132 [2021-10-11 00:22:15,481 INFO L226 Difference]: Without dead ends: 107 [2021-10-11 00:22:15,482 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 00:22:15,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-11 00:22:15,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2021-10-11 00:22:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-10-11 00:22:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2021-10-11 00:22:15,498 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2021-10-11 00:22:15,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:15,499 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2021-10-11 00:22:15,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:22:15,499 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2021-10-11 00:22:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:22:15,500 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:15,500 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 00:22:15,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:22:15,500 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:15,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:15,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1414455604, now seen corresponding path program 1 times [2021-10-11 00:22:15,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:15,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761095030] [2021-10-11 00:22:15,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:15,583 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 00:22:15,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761095030] [2021-10-11 00:22:15,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:15,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:22:15,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140377107] [2021-10-11 00:22:15,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:22:15,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:15,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:22:15,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:15,586 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2021-10-11 00:22:15,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:15,633 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2021-10-11 00:22:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:22:15,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:22:15,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:15,634 INFO L225 Difference]: With dead ends: 144 [2021-10-11 00:22:15,634 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:22:15,635 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 00:22:15,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:22:15,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:22:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:22:15,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:22:15,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 00:22:15,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:15,636 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:22:15,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:22:15,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:22:15,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:22:15,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:22:15,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:22:15,987 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-10-11 00:22:15,987 INFO L262 CegarLoopResult]: For program point L680(lines 679 726) no Hoare annotation was computed. [2021-10-11 00:22:15,987 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:22:15,987 INFO L258 CegarLoopResult]: At program point L631(lines 626 634) the Hoare annotation is: false [2021-10-11 00:22:15,988 INFO L258 CegarLoopResult]: At program point L631-1(lines 626 634) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:15,988 INFO L258 CegarLoopResult]: At program point L631-2(lines 626 634) the Hoare annotation is: false [2021-10-11 00:22:15,988 INFO L258 CegarLoopResult]: At program point L631-3(lines 626 634) the Hoare annotation is: false [2021-10-11 00:22:15,989 INFO L258 CegarLoopResult]: At program point L631-4(lines 626 634) the Hoare annotation is: false [2021-10-11 00:22:15,989 INFO L258 CegarLoopResult]: At program point L631-5(lines 626 634) the Hoare annotation is: false [2021-10-11 00:22:15,990 INFO L258 CegarLoopResult]: At program point L433(lines 1 877) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-10-11 00:22:15,990 INFO L262 CegarLoopResult]: For program point L681(lines 681 685) no Hoare annotation was computed. [2021-10-11 00:22:15,990 INFO L258 CegarLoopResult]: At program point L830(lines 825 833) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:15,990 INFO L258 CegarLoopResult]: At program point L830-1(lines 825 833) the Hoare annotation is: false [2021-10-11 00:22:15,991 INFO L258 CegarLoopResult]: At program point L830-2(lines 825 833) the Hoare annotation is: false [2021-10-11 00:22:15,991 INFO L262 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2021-10-11 00:22:15,991 INFO L265 CegarLoopResult]: At program point L533-1(lines 533 540) the Hoare annotation is: true [2021-10-11 00:22:15,992 INFO L262 CegarLoopResult]: For program point L781(lines 781 789) no Hoare annotation was computed. [2021-10-11 00:22:15,992 INFO L262 CegarLoopResult]: For program point L781-1(lines 781 789) no Hoare annotation was computed. [2021-10-11 00:22:15,992 INFO L262 CegarLoopResult]: For program point L781-2(lines 781 789) no Hoare annotation was computed. [2021-10-11 00:22:15,992 INFO L262 CegarLoopResult]: For program point L699(lines 699 705) no Hoare annotation was computed. [2021-10-11 00:22:15,992 INFO L258 CegarLoopResult]: At program point L699-1(lines 699 705) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:15,992 INFO L262 CegarLoopResult]: For program point L717(lines 717 721) no Hoare annotation was computed. [2021-10-11 00:22:15,993 INFO L258 CegarLoopResult]: At program point L717-2(lines 745 751) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:15,993 INFO L262 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2021-10-11 00:22:15,993 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:22:15,994 INFO L258 CegarLoopResult]: At program point L752(lines 752 758) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:15,994 INFO L258 CegarLoopResult]: At program point L752-1(lines 752 758) the Hoare annotation is: false [2021-10-11 00:22:15,994 INFO L258 CegarLoopResult]: At program point L752-2(lines 752 758) the Hoare annotation is: false [2021-10-11 00:22:15,994 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-10-11 00:22:15,995 INFO L262 CegarLoopResult]: For program point L606(lines 606 610) no Hoare annotation was computed. [2021-10-11 00:22:15,995 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:22:15,997 INFO L258 CegarLoopResult]: At program point L441(lines 436 444) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:15,998 INFO L258 CegarLoopResult]: At program point L821(lines 814 824) the Hoare annotation is: false [2021-10-11 00:22:15,998 INFO L258 CegarLoopResult]: At program point L821-1(lines 814 824) the Hoare annotation is: false [2021-10-11 00:22:15,998 INFO L258 CegarLoopResult]: At program point L821-2(lines 814 824) the Hoare annotation is: false [2021-10-11 00:22:15,998 INFO L262 CegarLoopResult]: For program point L689(lines 689 695) no Hoare annotation was computed. [2021-10-11 00:22:15,999 INFO L258 CegarLoopResult]: At program point L689-1(lines 689 695) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:15,999 INFO L258 CegarLoopResult]: At program point L458-2(lines 458 472) the Hoare annotation is: false [2021-10-11 00:22:15,999 INFO L262 CegarLoopResult]: For program point L558(lines 558 571) no Hoare annotation was computed. [2021-10-11 00:22:15,999 INFO L258 CegarLoopResult]: At program point L558-1(lines 1 877) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:15,999 INFO L262 CegarLoopResult]: For program point L558-2(lines 558 571) no Hoare annotation was computed. [2021-10-11 00:22:15,999 INFO L258 CegarLoopResult]: At program point L558-3(lines 1 877) the Hoare annotation is: false [2021-10-11 00:22:16,000 INFO L262 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2021-10-11 00:22:16,004 INFO L262 CegarLoopResult]: For program point L558-4(lines 558 571) no Hoare annotation was computed. [2021-10-11 00:22:16,004 INFO L258 CegarLoopResult]: At program point L558-5(lines 1 877) the Hoare annotation is: false [2021-10-11 00:22:16,004 INFO L265 CegarLoopResult]: At program point L542(lines 523 545) the Hoare annotation is: true [2021-10-11 00:22:16,005 INFO L258 CegarLoopResult]: At program point L509(lines 505 511) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:16,005 INFO L262 CegarLoopResult]: For program point L709(lines 709 722) no Hoare annotation was computed. [2021-10-11 00:22:16,005 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:22:16,005 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-10-11 00:22:16,005 INFO L262 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2021-10-11 00:22:16,005 INFO L262 CegarLoopResult]: For program point L594-3(lines 594 598) no Hoare annotation was computed. [2021-10-11 00:22:16,005 INFO L262 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-10-11 00:22:16,006 INFO L262 CegarLoopResult]: For program point L462-1(lines 745 751) no Hoare annotation was computed. [2021-10-11 00:22:16,006 INFO L262 CegarLoopResult]: For program point L594-6(lines 594 598) no Hoare annotation was computed. [2021-10-11 00:22:16,006 INFO L258 CegarLoopResult]: At program point L727(lines 678 728) the Hoare annotation is: false [2021-10-11 00:22:16,006 INFO L262 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2021-10-11 00:22:16,006 INFO L262 CegarLoopResult]: For program point L562-2(lines 562 568) no Hoare annotation was computed. [2021-10-11 00:22:16,006 INFO L262 CegarLoopResult]: For program point L562-4(lines 562 568) no Hoare annotation was computed. [2021-10-11 00:22:16,006 INFO L262 CegarLoopResult]: For program point L777(lines 777 794) no Hoare annotation was computed. [2021-10-11 00:22:16,007 INFO L262 CegarLoopResult]: For program point L777-1(lines 777 794) no Hoare annotation was computed. [2021-10-11 00:22:16,007 INFO L262 CegarLoopResult]: For program point L777-2(lines 777 794) no Hoare annotation was computed. [2021-10-11 00:22:16,007 INFO L258 CegarLoopResult]: At program point L745(lines 744 763) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:22:16,007 INFO L262 CegarLoopResult]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2021-10-11 00:22:16,007 INFO L258 CegarLoopResult]: At program point L745-2(lines 744 763) the Hoare annotation is: false [2021-10-11 00:22:16,007 INFO L258 CegarLoopResult]: At program point L745-3(lines 744 763) the Hoare annotation is: false [2021-10-11 00:22:16,007 INFO L262 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2021-10-11 00:22:16,008 INFO L262 CegarLoopResult]: For program point L580-1(line 580) no Hoare annotation was computed. [2021-10-11 00:22:16,008 INFO L262 CegarLoopResult]: For program point L580-2(line 580) no Hoare annotation was computed. [2021-10-11 00:22:16,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:22:16 BoogieIcfgContainer [2021-10-11 00:22:16,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:22:16,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:22:16,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:22:16,045 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:22:16,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:14" (3/4) ... [2021-10-11 00:22:16,048 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:22:16,069 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:22:16,070 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:22:16,071 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:22:16,071 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:22:16,072 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:22:16,073 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:22:16,073 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:22:16,097 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2021-10-11 00:22:16,098 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2021-10-11 00:22:16,098 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:22:16,100 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:22:16,105 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:22:16,105 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:22:16,105 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:22:16,105 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:22:16,106 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:22:16,107 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:22:16,149 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40a19d8-ae52-465b-b2d2-87a4f798a677/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:22:16,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:22:16,151 INFO L168 Benchmark]: Toolchain (without parser) took 3469.94 ms. Allocated memory was 121.6 MB in the beginning and 151.0 MB in the end (delta: 29.4 MB). Free memory was 87.1 MB in the beginning and 84.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:16,151 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 83.9 MB. Free memory was 57.1 MB in the beginning and 57.0 MB in the end (delta: 30.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:22:16,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.17 ms. Allocated memory is still 121.6 MB. Free memory was 86.9 MB in the beginning and 88.8 MB in the end (delta: -1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:16,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.27 ms. Allocated memory is still 121.6 MB. Free memory was 88.2 MB in the beginning and 85.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:16,152 INFO L168 Benchmark]: Boogie Preprocessor took 38.40 ms. Allocated memory is still 121.6 MB. Free memory was 85.5 MB in the beginning and 83.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:16,153 INFO L168 Benchmark]: RCFGBuilder took 1006.11 ms. Allocated memory is still 121.6 MB. Free memory was 83.2 MB in the beginning and 87.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:16,153 INFO L168 Benchmark]: TraceAbstraction took 1701.78 ms. Allocated memory was 121.6 MB in the beginning and 151.0 MB in the end (delta: 29.4 MB). Free memory was 86.8 MB in the beginning and 90.6 MB in the end (delta: -3.8 MB). Peak memory consumption was 52.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:16,153 INFO L168 Benchmark]: Witness Printer took 104.54 ms. Allocated memory is still 151.0 MB. Free memory was 90.6 MB in the beginning and 84.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:16,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 83.9 MB. Free memory was 57.1 MB in the beginning and 57.0 MB in the end (delta: 30.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 546.17 ms. Allocated memory is still 121.6 MB. Free memory was 86.9 MB in the beginning and 88.8 MB in the end (delta: -1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.27 ms. Allocated memory is still 121.6 MB. Free memory was 88.2 MB in the beginning and 85.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.40 ms. Allocated memory is still 121.6 MB. Free memory was 85.5 MB in the beginning and 83.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1006.11 ms. Allocated memory is still 121.6 MB. Free memory was 83.2 MB in the beginning and 87.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1701.78 ms. Allocated memory was 121.6 MB in the beginning and 151.0 MB in the end (delta: 29.4 MB). Free memory was 86.8 MB in the beginning and 90.6 MB in the end (delta: -3.8 MB). Peak memory consumption was 52.2 MB. Max. memory is 16.1 GB. * Witness Printer took 104.54 ms. Allocated memory is still 151.0 MB. Free memory was 90.6 MB in the beginning and 84.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: 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: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 284 SDtfs, 353 SDslu, 237 SDs, 0 SdLazy, 56 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 201 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1890 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 88 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 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...