./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer --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 24356a2f1c32c3171f965552405bf63c18ffd4b2 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:15:53,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:15:53,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:15:53,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:15:53,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:15:53,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:15:53,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:15:53,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:15:53,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:15:53,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:15:53,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:15:53,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:15:53,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:15:53,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:15:53,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:15:53,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:15:53,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:15:53,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:15:53,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:15:53,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:15:53,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:15:53,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:15:53,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:15:53,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:15:53,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:15:53,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:15:53,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:15:53,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:15:53,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:15:53,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:15:53,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:15:53,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:15:53,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:15:53,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:15:53,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:15:53,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:15:53,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:15:53,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:15:53,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:15:53,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:15:53,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:15:53,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:15:53,807 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:15:53,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:15:53,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:15:53,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:15:53,810 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:15:53,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:15:53,810 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:15:53,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:15:53,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:15:53,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:15:53,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:15:53,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:15:53,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:15:53,812 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:15:53,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:15:53,813 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:15:53,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:15:53,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:15:53,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:15:53,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:15:53,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:15:53,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:15:53,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:15:53,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:15:53,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:15:53,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:15:53,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:15:53,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:15:53,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:15:53,817 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-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24356a2f1c32c3171f965552405bf63c18ffd4b2 [2020-11-30 00:15:54,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:15:54,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:15:54,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:15:54,195 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:15:54,199 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:15:54,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2020-11-30 00:15:54,291 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer/data/f042c1a57/951db7236e244e61a5dae87c6f7b865d/FLAG5a0a19cd7 [2020-11-30 00:15:55,054 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:15:55,057 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2020-11-30 00:15:55,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer/data/f042c1a57/951db7236e244e61a5dae87c6f7b865d/FLAG5a0a19cd7 [2020-11-30 00:15:55,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer/data/f042c1a57/951db7236e244e61a5dae87c6f7b865d [2020-11-30 00:15:55,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:15:55,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:15:55,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:15:55,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:15:55,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:15:55,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:15:55" (1/1) ... [2020-11-30 00:15:55,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b309895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:55, skipping insertion in model container [2020-11-30 00:15:55,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:15:55" (1/1) ... [2020-11-30 00:15:55,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:15:55,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:15:55,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:15:55,828 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:15:55,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:15:55,994 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:15:55,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:55 WrapperNode [2020-11-30 00:15:55,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:15:55,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:15:55,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:15:55,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:15:56,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:55" (1/1) ... [2020-11-30 00:15:56,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:55" (1/1) ... [2020-11-30 00:15:56,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:15:56,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:15:56,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:15:56,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:15:56,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:55" (1/1) ... [2020-11-30 00:15:56,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:55" (1/1) ... [2020-11-30 00:15:56,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:55" (1/1) ... [2020-11-30 00:15:56,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:55" (1/1) ... [2020-11-30 00:15:56,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:55" (1/1) ... [2020-11-30 00:15:56,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:55" (1/1) ... [2020-11-30 00:15:56,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:55" (1/1) ... [2020-11-30 00:15:56,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:15:56,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:15:56,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:15:56,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:15:56,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer/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 [2020-11-30 00:15:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:15:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:15:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:15:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:15:57,499 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:15:57,505 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-30 00:15:57,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:15:57 BoogieIcfgContainer [2020-11-30 00:15:57,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:15:57,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:15:57,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:15:57,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:15:57,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:15:55" (1/3) ... [2020-11-30 00:15:57,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c315624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:15:57, skipping insertion in model container [2020-11-30 00:15:57,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:55" (2/3) ... [2020-11-30 00:15:57,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c315624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:15:57, skipping insertion in model container [2020-11-30 00:15:57,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:15:57" (3/3) ... [2020-11-30 00:15:57,523 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2020-11-30 00:15:57,538 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:15:57,544 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:15:57,559 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:15:57,604 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:15:57,605 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:15:57,605 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:15:57,605 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:15:57,605 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:15:57,606 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:15:57,606 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:15:57,606 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:15:57,634 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-11-30 00:15:57,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:15:57,640 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:15:57,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:15:57,641 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:15:57,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:15:57,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1280611484, now seen corresponding path program 1 times [2020-11-30 00:15:57,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:15:57,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336137813] [2020-11-30 00:15:57,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:15:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:15:58,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:15:58,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336137813] [2020-11-30 00:15:58,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:15:58,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:15:58,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185371156] [2020-11-30 00:15:58,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:15:58,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:15:58,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:15:58,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:15:58,114 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2020-11-30 00:15:58,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:15:58,170 INFO L93 Difference]: Finished difference Result 154 states and 231 transitions. [2020-11-30 00:15:58,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:15:58,172 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-30 00:15:58,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:15:58,189 INFO L225 Difference]: With dead ends: 154 [2020-11-30 00:15:58,189 INFO L226 Difference]: Without dead ends: 75 [2020-11-30 00:15:58,202 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 [2020-11-30 00:15:58,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-30 00:15:58,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-11-30 00:15:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-30 00:15:58,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-11-30 00:15:58,287 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2020-11-30 00:15:58,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:15:58,288 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-11-30 00:15:58,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:15:58,289 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-11-30 00:15:58,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:15:58,292 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:15:58,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:15:58,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:15:58,294 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:15:58,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:15:58,298 INFO L82 PathProgramCache]: Analyzing trace with hash 877059811, now seen corresponding path program 1 times [2020-11-30 00:15:58,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:15:58,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699830132] [2020-11-30 00:15:58,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:15:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:15:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:15:58,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699830132] [2020-11-30 00:15:58,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:15:58,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:15:58,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518890423] [2020-11-30 00:15:58,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:15:58,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:15:58,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:15:58,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:15:58,498 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-11-30 00:15:58,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:15:58,519 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-11-30 00:15:58,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:15:58,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 00:15:58,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:15:58,527 INFO L225 Difference]: With dead ends: 75 [2020-11-30 00:15:58,527 INFO L226 Difference]: Without dead ends: 35 [2020-11-30 00:15:58,528 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 [2020-11-30 00:15:58,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-30 00:15:58,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-30 00:15:58,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-30 00:15:58,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-30 00:15:58,536 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-11-30 00:15:58,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:15:58,537 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-30 00:15:58,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:15:58,538 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-30 00:15:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:15:58,541 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:15:58,542 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] [2020-11-30 00:15:58,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:15:58,543 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:15:58,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:15:58,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2020-11-30 00:15:58,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:15:58,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807485959] [2020-11-30 00:15:58,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:15:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:15:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:15:58,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807485959] [2020-11-30 00:15:58,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:15:58,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:15:58,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616934441] [2020-11-30 00:15:58,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:15:58,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:15:58,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:15:58,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:15:58,736 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-11-30 00:15:58,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:15:58,754 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-11-30 00:15:58,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:15:58,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-30 00:15:58,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:15:58,758 INFO L225 Difference]: With dead ends: 63 [2020-11-30 00:15:58,758 INFO L226 Difference]: Without dead ends: 35 [2020-11-30 00:15:58,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:15:58,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-30 00:15:58,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-30 00:15:58,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-30 00:15:58,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2020-11-30 00:15:58,773 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2020-11-30 00:15:58,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:15:58,773 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2020-11-30 00:15:58,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:15:58,774 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-11-30 00:15:58,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 00:15:58,776 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:15:58,776 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] [2020-11-30 00:15:58,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:15:58,777 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:15:58,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:15:58,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2020-11-30 00:15:58,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:15:58,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204065010] [2020-11-30 00:15:58,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:15:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:15:58,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:15:58,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204065010] [2020-11-30 00:15:58,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:15:58,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:15:58,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504615599] [2020-11-30 00:15:58,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:15:58,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:15:58,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:15:58,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:15:58,960 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2020-11-30 00:15:59,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:15:59,112 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2020-11-30 00:15:59,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:15:59,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-30 00:15:59,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:15:59,117 INFO L225 Difference]: With dead ends: 154 [2020-11-30 00:15:59,117 INFO L226 Difference]: Without dead ends: 126 [2020-11-30 00:15:59,118 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 [2020-11-30 00:15:59,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-11-30 00:15:59,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2020-11-30 00:15:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-11-30 00:15:59,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2020-11-30 00:15:59,138 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2020-11-30 00:15:59,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:15:59,138 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2020-11-30 00:15:59,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:15:59,139 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2020-11-30 00:15:59,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:15:59,140 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:15:59,140 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:15:59,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:15:59,141 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:15:59,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:15:59,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2020-11-30 00:15:59,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:15:59,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120099399] [2020-11-30 00:15:59,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:15:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:15:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:15:59,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120099399] [2020-11-30 00:15:59,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:15:59,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:15:59,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767777817] [2020-11-30 00:15:59,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:15:59,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:15:59,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:15:59,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:15:59,239 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2020-11-30 00:15:59,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:15:59,312 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2020-11-30 00:15:59,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:15:59,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-30 00:15:59,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:15:59,313 INFO L225 Difference]: With dead ends: 150 [2020-11-30 00:15:59,313 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:15:59,314 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 [2020-11-30 00:15:59,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:15:59,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:15:59,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:15:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:15:59,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-30 00:15:59,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:15:59,316 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:15:59,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:15:59,316 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:15:59,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:15:59,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:15:59,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:15:59,618 INFO L274 CegarLoopResult]: For program point L547-2(lines 547 553) no Hoare annotation was computed. [2020-11-30 00:15:59,618 INFO L274 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-11-30 00:15:59,619 INFO L274 CegarLoopResult]: For program point L547-4(lines 547 553) no Hoare annotation was computed. [2020-11-30 00:15:59,619 INFO L274 CegarLoopResult]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2020-11-30 00:15:59,619 INFO L274 CegarLoopResult]: For program point L415-3(lines 415 419) no Hoare annotation was computed. [2020-11-30 00:15:59,619 INFO L274 CegarLoopResult]: For program point L415-5(lines 415 419) no Hoare annotation was computed. [2020-11-30 00:15:59,619 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:15:59,619 INFO L274 CegarLoopResult]: For program point L415-6(lines 415 419) no Hoare annotation was computed. [2020-11-30 00:15:59,620 INFO L274 CegarLoopResult]: For program point L415-8(lines 415 419) no Hoare annotation was computed. [2020-11-30 00:15:59,620 INFO L270 CegarLoopResult]: At program point L531(lines 526 533) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:15:59,620 INFO L270 CegarLoopResult]: At program point L366(lines 361 369) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:15:59,620 INFO L270 CegarLoopResult]: At program point L366-1(lines 361 369) the Hoare annotation is: false [2020-11-30 00:15:59,620 INFO L270 CegarLoopResult]: At program point L366-2(lines 361 369) the Hoare annotation is: false [2020-11-30 00:15:59,621 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:15:59,621 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:15:59,621 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:15:59,622 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:15:59,623 INFO L274 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-11-30 00:15:59,623 INFO L274 CegarLoopResult]: For program point L433-3(lines 433 437) no Hoare annotation was computed. [2020-11-30 00:15:59,623 INFO L274 CegarLoopResult]: For program point L433-6(lines 433 437) no Hoare annotation was computed. [2020-11-30 00:15:59,623 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-30 00:15:59,623 INFO L274 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2020-11-30 00:15:59,624 INFO L270 CegarLoopResult]: At program point L170(lines 1 928) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:15:59,624 INFO L270 CegarLoopResult]: At program point L203-1(lines 203 209) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:15:59,624 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-30 00:15:59,625 INFO L270 CegarLoopResult]: At program point L270(lines 270 276) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:15:59,625 INFO L270 CegarLoopResult]: At program point L270-1(lines 270 276) the Hoare annotation is: false [2020-11-30 00:15:59,625 INFO L270 CegarLoopResult]: At program point L270-2(lines 270 276) the Hoare annotation is: false [2020-11-30 00:15:59,625 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:15:59,627 INFO L270 CegarLoopResult]: At program point L470(lines 465 473) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:15:59,628 INFO L270 CegarLoopResult]: At program point L470-1(lines 465 473) the Hoare annotation is: false [2020-11-30 00:15:59,629 INFO L270 CegarLoopResult]: At program point L470-2(lines 465 473) the Hoare annotation is: false [2020-11-30 00:15:59,632 INFO L270 CegarLoopResult]: At program point L239(lines 192 240) the Hoare annotation is: false [2020-11-30 00:15:59,633 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-11-30 00:15:59,633 INFO L274 CegarLoopResult]: For program point L520-1(line 520) no Hoare annotation was computed. [2020-11-30 00:15:59,633 INFO L274 CegarLoopResult]: For program point L520-2(line 520) no Hoare annotation was computed. [2020-11-30 00:15:59,634 INFO L270 CegarLoopResult]: At program point L421(lines 406 424) the Hoare annotation is: false [2020-11-30 00:15:59,634 INFO L270 CegarLoopResult]: At program point L421-1(lines 406 424) the Hoare annotation is: false [2020-11-30 00:15:59,634 INFO L270 CegarLoopResult]: At program point L421-2(lines 406 424) the Hoare annotation is: false [2020-11-30 00:15:59,634 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:15:59,635 INFO L274 CegarLoopResult]: For program point L223(lines 223 234) no Hoare annotation was computed. [2020-11-30 00:15:59,636 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-30 00:15:59,636 INFO L274 CegarLoopResult]: For program point L58-1(lines 263 269) no Hoare annotation was computed. [2020-11-30 00:15:59,636 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:15:59,641 INFO L277 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2020-11-30 00:15:59,641 INFO L274 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-11-30 00:15:59,642 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:15:59,642 INFO L274 CegarLoopResult]: For program point L194(lines 193 238) no Hoare annotation was computed. [2020-11-30 00:15:59,643 INFO L270 CegarLoopResult]: At program point L178(lines 173 181) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:15:59,645 INFO L274 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2020-11-30 00:15:59,645 INFO L274 CegarLoopResult]: For program point L542(lines 542 559) no Hoare annotation was computed. [2020-11-30 00:15:59,645 INFO L270 CegarLoopResult]: At program point L542-1(lines 1 928) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:15:59,646 INFO L274 CegarLoopResult]: For program point L542-2(lines 542 559) no Hoare annotation was computed. [2020-11-30 00:15:59,646 INFO L270 CegarLoopResult]: At program point L542-3(lines 1 928) the Hoare annotation is: false [2020-11-30 00:15:59,646 INFO L274 CegarLoopResult]: For program point L542-4(lines 542 559) no Hoare annotation was computed. [2020-11-30 00:15:59,646 INFO L270 CegarLoopResult]: At program point L542-5(lines 1 928) the Hoare annotation is: false [2020-11-30 00:15:59,646 INFO L274 CegarLoopResult]: For program point L295(lines 295 312) no Hoare annotation was computed. [2020-11-30 00:15:59,647 INFO L274 CegarLoopResult]: For program point L295-1(lines 295 312) no Hoare annotation was computed. [2020-11-30 00:15:59,647 INFO L274 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-11-30 00:15:59,647 INFO L274 CegarLoopResult]: For program point L295-2(lines 295 312) no Hoare annotation was computed. [2020-11-30 00:15:59,647 INFO L274 CegarLoopResult]: For program point L229-2(lines 263 269) no Hoare annotation was computed. [2020-11-30 00:15:59,648 INFO L274 CegarLoopResult]: For program point L213(lines 213 219) no Hoare annotation was computed. [2020-11-30 00:15:59,648 INFO L270 CegarLoopResult]: At program point L213-1(lines 213 219) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:15:59,649 INFO L270 CegarLoopResult]: At program point L263(lines 262 281) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:15:59,649 INFO L274 CegarLoopResult]: For program point L263-1(lines 263 269) no Hoare annotation was computed. [2020-11-30 00:15:59,650 INFO L270 CegarLoopResult]: At program point L263-2(lines 262 281) the Hoare annotation is: false [2020-11-30 00:15:59,650 INFO L270 CegarLoopResult]: At program point L263-3(lines 262 281) the Hoare annotation is: false [2020-11-30 00:15:59,652 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:15:59,652 INFO L270 CegarLoopResult]: At program point L511(lines 506 514) the Hoare annotation is: false [2020-11-30 00:15:59,652 INFO L270 CegarLoopResult]: At program point L511-1(lines 506 514) the Hoare annotation is: false [2020-11-30 00:15:59,652 INFO L274 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-11-30 00:15:59,653 INFO L270 CegarLoopResult]: At program point L511-2(lines 506 514) the Hoare annotation is: false [2020-11-30 00:15:59,653 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:15:59,653 INFO L274 CegarLoopResult]: For program point L546(lines 546 556) no Hoare annotation was computed. [2020-11-30 00:15:59,654 INFO L274 CegarLoopResult]: For program point L546-2(lines 546 556) no Hoare annotation was computed. [2020-11-30 00:15:59,654 INFO L274 CegarLoopResult]: For program point L546-4(lines 546 556) no Hoare annotation was computed. [2020-11-30 00:15:59,654 INFO L274 CegarLoopResult]: For program point L299(lines 299 307) no Hoare annotation was computed. [2020-11-30 00:15:59,655 INFO L274 CegarLoopResult]: For program point L299-1(lines 299 307) no Hoare annotation was computed. [2020-11-30 00:15:59,655 INFO L274 CegarLoopResult]: For program point L299-2(lines 299 307) no Hoare annotation was computed. [2020-11-30 00:15:59,655 INFO L274 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-11-30 00:15:59,655 INFO L277 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2020-11-30 00:15:59,656 INFO L274 CegarLoopResult]: For program point L547(lines 547 553) no Hoare annotation was computed. [2020-11-30 00:15:59,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:15:59 BoogieIcfgContainer [2020-11-30 00:15:59,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:15:59,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:15:59,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:15:59,690 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:15:59,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:15:57" (3/4) ... [2020-11-30 00:15:59,695 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:15:59,713 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:15:59,714 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:15:59,715 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:15:59,716 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:15:59,717 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:15:59,718 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:15:59,719 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:15:59,753 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 00:15:59,850 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_55d84eff-ac1d-4004-8401-b319f10f6a1a/bin/uautomizer/witness.graphml [2020-11-30 00:15:59,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:15:59,852 INFO L168 Benchmark]: Toolchain (without parser) took 4513.63 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 68.2 MB in the beginning and 72.9 MB in the end (delta: -4.7 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:59,853 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 75.5 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:15:59,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.42 ms. Allocated memory is still 96.5 MB. Free memory was 68.0 MB in the beginning and 63.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:59,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.53 ms. Allocated memory is still 96.5 MB. Free memory was 63.3 MB in the beginning and 60.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:59,855 INFO L168 Benchmark]: Boogie Preprocessor took 93.32 ms. Allocated memory is still 96.5 MB. Free memory was 60.4 MB in the beginning and 58.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:59,856 INFO L168 Benchmark]: RCFGBuilder took 1292.98 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 58.3 MB in the beginning and 101.7 MB in the end (delta: -43.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:59,856 INFO L168 Benchmark]: TraceAbstraction took 2178.13 ms. Allocated memory is still 130.0 MB. Free memory was 101.0 MB in the beginning and 80.2 MB in the end (delta: 20.7 MB). Peak memory consumption was 48.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:59,857 INFO L168 Benchmark]: Witness Printer took 160.07 ms. Allocated memory is still 130.0 MB. Free memory was 80.2 MB in the beginning and 72.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:59,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 75.5 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 655.42 ms. Allocated memory is still 96.5 MB. Free memory was 68.0 MB in the beginning and 63.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.53 ms. Allocated memory is still 96.5 MB. Free memory was 63.3 MB in the beginning and 60.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.32 ms. Allocated memory is still 96.5 MB. Free memory was 60.4 MB in the beginning and 58.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1292.98 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 58.3 MB in the beginning and 101.7 MB in the end (delta: -43.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2178.13 ms. Allocated memory is still 130.0 MB. Free memory was 101.0 MB in the beginning and 80.2 MB in the end (delta: 20.7 MB). Peak memory consumption was 48.0 MB. Max. memory is 16.1 GB. * Witness Printer took 160.07 ms. Allocated memory is still 130.0 MB. Free memory was 80.2 MB in the beginning and 72.9 MB in the end (delta: 7.3 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: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 506]: 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: 406]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 284 SDslu, 294 SDs, 0 SdLazy, 41 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1049 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...