./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 06bd52675bc6dde68cedf41ed0037401ce822bbb .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:03:54,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:03:54,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:03:54,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:03:54,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:03:54,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:03:54,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:03:54,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:03:54,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:03:54,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:03:54,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:03:54,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:03:54,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:03:54,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:03:54,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:03:54,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:03:54,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:03:54,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:03:54,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:03:54,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:03:54,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:03:54,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:03:54,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:03:54,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:03:54,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:03:54,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:03:54,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:03:54,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:03:54,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:03:54,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:03:54,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:03:54,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:03:54,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:03:54,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:03:54,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:03:54,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:03:54,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:03:54,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:03:54,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:03:54,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:03:54,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:03:54,289 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:03:54,329 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:03:54,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:03:54,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:03:54,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:03:54,335 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:03:54,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:03:54,335 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:03:54,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:03:54,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:03:54,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:03:54,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:03:54,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:03:54,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:03:54,339 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:03:54,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:03:54,339 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:03:54,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:03:54,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:03:54,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:03:54,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:03:54,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:03:54,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:03:54,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:03:54,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:03:54,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:03:54,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:03:54,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:03:54,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:03:54,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:03:54,344 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06bd52675bc6dde68cedf41ed0037401ce822bbb [2020-10-25 23:03:54,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:03:54,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:03:54,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:03:54,800 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:03:54,801 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:03:54,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2020-10-25 23:03:54,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f51aa6d/81ef9169ccea43be994331bbe7c6f78f/FLAGa88d88580 [2020-10-25 23:03:55,679 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:03:55,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2020-10-25 23:03:55,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f51aa6d/81ef9169ccea43be994331bbe7c6f78f/FLAGa88d88580 [2020-10-25 23:03:55,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f51aa6d/81ef9169ccea43be994331bbe7c6f78f [2020-10-25 23:03:55,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:03:55,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:03:56,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:03:56,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:03:56,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:03:56,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:03:55" (1/1) ... [2020-10-25 23:03:56,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af36053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:56, skipping insertion in model container [2020-10-25 23:03:56,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:03:55" (1/1) ... [2020-10-25 23:03:56,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:03:56,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:03:56,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:03:56,405 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:03:56,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:03:56,593 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:03:56,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:56 WrapperNode [2020-10-25 23:03:56,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:03:56,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:03:56,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:03:56,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:03:56,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:56" (1/1) ... [2020-10-25 23:03:56,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:56" (1/1) ... [2020-10-25 23:03:56,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:03:56,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:03:56,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:03:56,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:03:56,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:56" (1/1) ... [2020-10-25 23:03:56,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:56" (1/1) ... [2020-10-25 23:03:56,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:56" (1/1) ... [2020-10-25 23:03:56,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:56" (1/1) ... [2020-10-25 23:03:56,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:56" (1/1) ... [2020-10-25 23:03:56,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:56" (1/1) ... [2020-10-25 23:03:56,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:56" (1/1) ... [2020-10-25 23:03:56,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:03:56,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:03:56,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:03:56,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:03:56,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 23:03:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:03:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:03:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:03:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:03:57,877 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:03:57,877 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-10-25 23:03:57,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:57 BoogieIcfgContainer [2020-10-25 23:03:57,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:03:57,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:03:57,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:03:57,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:03:57,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:03:55" (1/3) ... [2020-10-25 23:03:57,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124ffe8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:03:57, skipping insertion in model container [2020-10-25 23:03:57,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:56" (2/3) ... [2020-10-25 23:03:57,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124ffe8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:03:57, skipping insertion in model container [2020-10-25 23:03:57,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:57" (3/3) ... [2020-10-25 23:03:57,889 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2020-10-25 23:03:57,901 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:03:57,907 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:03:57,922 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:03:57,952 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:03:57,952 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:03:57,952 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:03:57,952 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:03:57,952 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:03:57,953 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:03:57,953 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:03:57,953 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:03:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-10-25 23:03:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:03:57,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:57,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:03:57,981 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:57,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:57,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1646836375, now seen corresponding path program 1 times [2020-10-25 23:03:57,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:58,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63315033] [2020-10-25 23:03:58,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:58,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:03:58,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63315033] [2020-10-25 23:03:58,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:58,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:03:58,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341304397] [2020-10-25 23:03:58,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:03:58,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:58,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:03:58,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:03:58,335 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2020-10-25 23:03:58,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:58,365 INFO L93 Difference]: Finished difference Result 139 states and 206 transitions. [2020-10-25 23:03:58,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:03:58,366 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:03:58,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:58,378 INFO L225 Difference]: With dead ends: 139 [2020-10-25 23:03:58,378 INFO L226 Difference]: Without dead ends: 67 [2020-10-25 23:03:58,382 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 [2020-10-25 23:03:58,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-25 23:03:58,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-10-25 23:03:58,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-25 23:03:58,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-10-25 23:03:58,434 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-10-25 23:03:58,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:58,435 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-10-25 23:03:58,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:03:58,435 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-10-25 23:03:58,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:03:58,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:58,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:03:58,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:03:58,437 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:58,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:58,439 INFO L82 PathProgramCache]: Analyzing trace with hash 395758373, now seen corresponding path program 1 times [2020-10-25 23:03:58,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:58,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237371123] [2020-10-25 23:03:58,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:03:58,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237371123] [2020-10-25 23:03:58,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:58,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:03:58,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634473223] [2020-10-25 23:03:58,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:03:58,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:58,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:03:58,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:03:58,563 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2020-10-25 23:03:58,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:58,577 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-10-25 23:03:58,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:03:58,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:03:58,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:58,580 INFO L225 Difference]: With dead ends: 67 [2020-10-25 23:03:58,580 INFO L226 Difference]: Without dead ends: 33 [2020-10-25 23:03:58,581 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 [2020-10-25 23:03:58,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-25 23:03:58,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-25 23:03:58,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-25 23:03:58,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-10-25 23:03:58,589 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-10-25 23:03:58,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:58,589 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-10-25 23:03:58,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:03:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-10-25 23:03:58,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:03:58,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:58,591 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] [2020-10-25 23:03:58,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:03:58,592 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:58,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:58,593 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2020-10-25 23:03:58,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:58,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938227886] [2020-10-25 23:03:58,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:58,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:03:58,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938227886] [2020-10-25 23:03:58,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:58,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:03:58,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048442403] [2020-10-25 23:03:58,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:58,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:58,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:58,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:58,777 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2020-10-25 23:03:58,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:58,863 INFO L93 Difference]: Finished difference Result 83 states and 120 transitions. [2020-10-25 23:03:58,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:03:58,864 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-25 23:03:58,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:58,865 INFO L225 Difference]: With dead ends: 83 [2020-10-25 23:03:58,865 INFO L226 Difference]: Without dead ends: 56 [2020-10-25 23:03:58,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:03:58,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-25 23:03:58,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2020-10-25 23:03:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-25 23:03:58,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-10-25 23:03:58,881 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2020-10-25 23:03:58,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:58,881 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-10-25 23:03:58,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:58,882 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-10-25 23:03:58,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-25 23:03:58,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:58,883 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] [2020-10-25 23:03:58,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:03:58,884 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:58,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:58,885 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2020-10-25 23:03:58,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:58,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867859852] [2020-10-25 23:03:58,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:58,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:03:58,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867859852] [2020-10-25 23:03:58,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:58,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:03:58,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747220910] [2020-10-25 23:03:58,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:58,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:58,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:58,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:58,977 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2020-10-25 23:03:59,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:59,127 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2020-10-25 23:03:59,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:03:59,128 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-25 23:03:59,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:59,131 INFO L225 Difference]: With dead ends: 237 [2020-10-25 23:03:59,131 INFO L226 Difference]: Without dead ends: 191 [2020-10-25 23:03:59,132 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 [2020-10-25 23:03:59,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-10-25 23:03:59,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 92. [2020-10-25 23:03:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-25 23:03:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2020-10-25 23:03:59,153 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 23 [2020-10-25 23:03:59,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:59,153 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2020-10-25 23:03:59,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:59,154 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2020-10-25 23:03:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:03:59,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:59,155 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] [2020-10-25 23:03:59,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:03:59,156 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:59,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:59,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2020-10-25 23:03:59,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:59,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381776242] [2020-10-25 23:03:59,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:03:59,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381776242] [2020-10-25 23:03:59,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:59,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:03:59,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960509277] [2020-10-25 23:03:59,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:59,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:59,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:59,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:59,236 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand 5 states. [2020-10-25 23:03:59,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:59,377 INFO L93 Difference]: Finished difference Result 282 states and 419 transitions. [2020-10-25 23:03:59,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:03:59,378 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:03:59,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:59,379 INFO L225 Difference]: With dead ends: 282 [2020-10-25 23:03:59,379 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:03:59,384 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 [2020-10-25 23:03:59,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:03:59,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:03:59,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:03:59,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:03:59,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-25 23:03:59,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:59,389 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:03:59,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:59,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:03:59,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:03:59,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:03:59,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:03:59,855 INFO L270 CegarLoopResult]: At program point L217(lines 212 220) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:59,855 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:59,855 INFO L270 CegarLoopResult]: At program point L217-1(lines 212 220) the Hoare annotation is: false [2020-10-25 23:03:59,855 INFO L270 CegarLoopResult]: At program point L217-2(lines 212 220) the Hoare annotation is: false [2020-10-25 23:03:59,856 INFO L270 CegarLoopResult]: At program point L680(lines 675 683) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:59,856 INFO L274 CegarLoopResult]: For program point L168(lines 168 176) no Hoare annotation was computed. [2020-10-25 23:03:59,856 INFO L274 CegarLoopResult]: For program point L168-1(lines 168 176) no Hoare annotation was computed. [2020-10-25 23:03:59,856 INFO L274 CegarLoopResult]: For program point L168-2(lines 168 176) no Hoare annotation was computed. [2020-10-25 23:03:59,856 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:03:59,857 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:03:59,857 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:03:59,857 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:03:59,857 INFO L274 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2020-10-25 23:03:59,857 INFO L274 CegarLoopResult]: For program point L798(lines 798 811) no Hoare annotation was computed. [2020-10-25 23:03:59,858 INFO L270 CegarLoopResult]: At program point L798-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:59,858 INFO L274 CegarLoopResult]: For program point L798-2(lines 798 811) no Hoare annotation was computed. [2020-10-25 23:03:59,858 INFO L270 CegarLoopResult]: At program point L798-3(lines 1 895) the Hoare annotation is: false [2020-10-25 23:03:59,858 INFO L274 CegarLoopResult]: For program point L798-4(lines 798 811) no Hoare annotation was computed. [2020-10-25 23:03:59,859 INFO L270 CegarLoopResult]: At program point L798-5(lines 1 895) the Hoare annotation is: false [2020-10-25 23:03:59,859 INFO L274 CegarLoopResult]: For program point L88(lines 88 103) no Hoare annotation was computed. [2020-10-25 23:03:59,859 INFO L270 CegarLoopResult]: At program point L139(lines 139 145) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:59,859 INFO L270 CegarLoopResult]: At program point L139-1(lines 139 145) the Hoare annotation is: false [2020-10-25 23:03:59,860 INFO L270 CegarLoopResult]: At program point L139-2(lines 139 145) the Hoare annotation is: false [2020-10-25 23:03:59,860 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:03:59,860 INFO L277 CegarLoopResult]: At program point L785(lines 766 788) the Hoare annotation is: true [2020-10-25 23:03:59,860 INFO L270 CegarLoopResult]: At program point L108(lines 57 109) the Hoare annotation is: false [2020-10-25 23:03:59,860 INFO L274 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-10-25 23:03:59,861 INFO L274 CegarLoopResult]: For program point L802(lines 802 808) no Hoare annotation was computed. [2020-10-25 23:03:59,861 INFO L274 CegarLoopResult]: For program point L802-2(lines 802 808) no Hoare annotation was computed. [2020-10-25 23:03:59,861 INFO L274 CegarLoopResult]: For program point L802-4(lines 802 808) no Hoare annotation was computed. [2020-10-25 23:03:59,861 INFO L274 CegarLoopResult]: For program point L59(lines 58 107) no Hoare annotation was computed. [2020-10-25 23:03:59,866 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:59,866 INFO L270 CegarLoopResult]: At program point L753(lines 749 755) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:59,866 INFO L270 CegarLoopResult]: At program point L208(lines 201 211) the Hoare annotation is: false [2020-10-25 23:03:59,867 INFO L270 CegarLoopResult]: At program point L208-1(lines 201 211) the Hoare annotation is: false [2020-10-25 23:03:59,867 INFO L270 CegarLoopResult]: At program point L208-2(lines 201 211) the Hoare annotation is: false [2020-10-25 23:03:59,867 INFO L274 CegarLoopResult]: For program point L60(lines 60 64) no Hoare annotation was computed. [2020-10-25 23:03:59,867 INFO L270 CegarLoopResult]: At program point L672(lines 1 895) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-25 23:03:59,867 INFO L270 CegarLoopResult]: At program point L705-2(lines 705 719) the Hoare annotation is: false [2020-10-25 23:03:59,868 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:03:59,868 INFO L274 CegarLoopResult]: For program point L689(line 689) no Hoare annotation was computed. [2020-10-25 23:03:59,868 INFO L274 CegarLoopResult]: For program point L689-1(line 689) no Hoare annotation was computed. [2020-10-25 23:03:59,868 INFO L274 CegarLoopResult]: For program point L689-2(line 689) no Hoare annotation was computed. [2020-10-25 23:03:59,868 INFO L274 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2020-10-25 23:03:59,869 INFO L270 CegarLoopResult]: At program point L78-1(lines 78 84) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:59,869 INFO L274 CegarLoopResult]: For program point L706(line 706) no Hoare annotation was computed. [2020-10-25 23:03:59,869 INFO L274 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2020-10-25 23:03:59,869 INFO L270 CegarLoopResult]: At program point L261-1(lines 261 267) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:59,870 INFO L274 CegarLoopResult]: For program point L96(lines 96 102) no Hoare annotation was computed. [2020-10-25 23:03:59,870 INFO L270 CegarLoopResult]: At program point L96-1(lines 132 138) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:59,870 INFO L274 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2020-10-25 23:03:59,870 INFO L274 CegarLoopResult]: For program point L823-3(lines 823 827) no Hoare annotation was computed. [2020-10-25 23:03:59,870 INFO L274 CegarLoopResult]: For program point L823-6(lines 823 827) no Hoare annotation was computed. [2020-10-25 23:03:59,871 INFO L274 CegarLoopResult]: For program point L709(lines 709 713) no Hoare annotation was computed. [2020-10-25 23:03:59,871 INFO L274 CegarLoopResult]: For program point L164(lines 164 181) no Hoare annotation was computed. [2020-10-25 23:03:59,871 INFO L274 CegarLoopResult]: For program point L709-1(lines 132 138) no Hoare annotation was computed. [2020-10-25 23:03:59,871 INFO L274 CegarLoopResult]: For program point L164-1(lines 164 181) no Hoare annotation was computed. [2020-10-25 23:03:59,871 INFO L274 CegarLoopResult]: For program point L164-2(lines 164 181) no Hoare annotation was computed. [2020-10-25 23:03:59,872 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:03:59,872 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:59,872 INFO L274 CegarLoopResult]: For program point L776(lines 776 783) no Hoare annotation was computed. [2020-10-25 23:03:59,872 INFO L277 CegarLoopResult]: At program point L776-1(lines 776 783) the Hoare annotation is: true [2020-10-25 23:03:59,872 INFO L270 CegarLoopResult]: At program point L132(lines 131 150) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:59,873 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-10-25 23:03:59,873 INFO L270 CegarLoopResult]: At program point L132-2(lines 131 150) the Hoare annotation is: false [2020-10-25 23:03:59,873 INFO L270 CegarLoopResult]: At program point L132-3(lines 131 150) the Hoare annotation is: false [2020-10-25 23:03:59,873 INFO L270 CegarLoopResult]: At program point L860(lines 855 863) the Hoare annotation is: false [2020-10-25 23:03:59,874 INFO L270 CegarLoopResult]: At program point L860-1(lines 855 863) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:59,874 INFO L270 CegarLoopResult]: At program point L860-2(lines 855 863) the Hoare annotation is: false [2020-10-25 23:03:59,874 INFO L270 CegarLoopResult]: At program point L860-3(lines 855 863) the Hoare annotation is: false [2020-10-25 23:03:59,874 INFO L270 CegarLoopResult]: At program point L860-4(lines 855 863) the Hoare annotation is: false [2020-10-25 23:03:59,874 INFO L270 CegarLoopResult]: At program point L860-5(lines 855 863) the Hoare annotation is: false [2020-10-25 23:03:59,875 INFO L274 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-10-25 23:03:59,875 INFO L270 CegarLoopResult]: At program point L68-1(lines 68 74) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:59,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:03:59 BoogieIcfgContainer [2020-10-25 23:03:59,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:03:59,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:03:59,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:03:59,909 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:03:59,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:57" (3/4) ... [2020-10-25 23:03:59,914 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:03:59,931 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:03:59,932 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:03:59,932 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:03:59,933 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:03:59,934 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:03:59,934 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:03:59,935 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:03:59,967 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:03:59,967 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-25 23:03:59,968 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:59,968 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:59,969 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:59,969 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:59,970 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:59,970 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:59,970 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:59,971 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:59,972 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:00,031 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:04:00,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:04:00,033 INFO L168 Benchmark]: Toolchain (without parser) took 4045.08 ms. Allocated memory was 46.1 MB in the beginning and 73.4 MB in the end (delta: 27.3 MB). Free memory was 29.5 MB in the beginning and 43.3 MB in the end (delta: -13.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:00,035 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 37.7 MB. Free memory was 20.4 MB in the beginning and 20.4 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:04:00,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.77 ms. Allocated memory is still 46.1 MB. Free memory was 29.0 MB in the beginning and 29.2 MB in the end (delta: -185.7 kB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:00,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.30 ms. Allocated memory is still 46.1 MB. Free memory was 29.2 MB in the beginning and 26.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:00,036 INFO L168 Benchmark]: Boogie Preprocessor took 46.65 ms. Allocated memory is still 46.1 MB. Free memory was 26.3 MB in the beginning and 24.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:00,037 INFO L168 Benchmark]: RCFGBuilder took 1137.25 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 24.0 MB in the beginning and 41.3 MB in the end (delta: -17.3 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:00,038 INFO L168 Benchmark]: TraceAbstraction took 2026.76 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 40.9 MB in the beginning and 50.1 MB in the end (delta: -9.2 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:00,038 INFO L168 Benchmark]: Witness Printer took 122.82 ms. Allocated memory is still 73.4 MB. Free memory was 50.1 MB in the beginning and 43.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:00,041 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 37.7 MB. Free memory was 20.4 MB in the beginning and 20.4 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 593.77 ms. Allocated memory is still 46.1 MB. Free memory was 29.0 MB in the beginning and 29.2 MB in the end (delta: -185.7 kB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.30 ms. Allocated memory is still 46.1 MB. Free memory was 29.2 MB in the beginning and 26.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.65 ms. Allocated memory is still 46.1 MB. Free memory was 26.3 MB in the beginning and 24.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1137.25 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 24.0 MB in the beginning and 41.3 MB in the end (delta: -17.3 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2026.76 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 40.9 MB in the beginning and 50.1 MB in the end (delta: -9.2 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * Witness Printer took 122.82 ms. Allocated memory is still 73.4 MB. Free memory was 50.1 MB in the beginning and 43.3 MB in the end (delta: 6.9 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: 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: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 306 SDtfs, 468 SDslu, 297 SDs, 0 SdLazy, 63 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 4158 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s 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...