./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_product06.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 b67757251629fd1bffeb4ee115ae4af5ebdd6873 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:03:51,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:03:51,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:03:51,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:03:51,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:03:51,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:03:51,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:03:51,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:03:51,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:03:51,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:03:51,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:03:51,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:03:51,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:03:51,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:03:51,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:03:51,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:03:51,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:03:51,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:03:51,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:03:51,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:03:51,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:03:51,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:03:51,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:03:51,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:03:51,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:03:51,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:03:51,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:03:51,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:03:51,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:03:51,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:03:51,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:03:51,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:03:51,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:03:51,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:03:51,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:03:51,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:03:51,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:03:51,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:03:51,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:03:51,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:03:51,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:03:51,227 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:03:51,283 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:03:51,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:03:51,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:03:51,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:03:51,286 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:03:51,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:03:51,286 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:03:51,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:03:51,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:03:51,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:03:51,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:03:51,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:03:51,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:03:51,288 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:03:51,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:03:51,288 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:03:51,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:03:51,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:03:51,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:03:51,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:03:51,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:03:51,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:03:51,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:03:51,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:03:51,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:03:51,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:03:51,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:03:51,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:03:51,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:03:51,292 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b67757251629fd1bffeb4ee115ae4af5ebdd6873 [2020-10-25 23:03:51,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:03:51,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:03:51,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:03:51,746 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:03:51,747 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:03:51,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2020-10-25 23:03:51,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0a37fb1/4b7b8721abe8454c87a9675dcbde5c1b/FLAG6cd1b512e [2020-10-25 23:03:52,608 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:03:52,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2020-10-25 23:03:52,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0a37fb1/4b7b8721abe8454c87a9675dcbde5c1b/FLAG6cd1b512e [2020-10-25 23:03:52,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0a37fb1/4b7b8721abe8454c87a9675dcbde5c1b [2020-10-25 23:03:52,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:03:52,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:03:52,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:03:52,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:03:52,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:03:52,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:03:52" (1/1) ... [2020-10-25 23:03:52,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a00ed60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:52, skipping insertion in model container [2020-10-25 23:03:52,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:03:52" (1/1) ... [2020-10-25 23:03:52,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:03:52,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:03:53,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:03:53,296 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:03:53,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:03:53,462 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:03:53,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:53 WrapperNode [2020-10-25 23:03:53,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:03:53,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:03:53,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:03:53,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:03:53,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:53" (1/1) ... [2020-10-25 23:03:53,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:53" (1/1) ... [2020-10-25 23:03:53,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:03:53,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:03:53,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:03:53,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:03:53,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:53" (1/1) ... [2020-10-25 23:03:53,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:53" (1/1) ... [2020-10-25 23:03:53,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:53" (1/1) ... [2020-10-25 23:03:53,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:53" (1/1) ... [2020-10-25 23:03:53,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:53" (1/1) ... [2020-10-25 23:03:53,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:53" (1/1) ... [2020-10-25 23:03:53,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:53" (1/1) ... [2020-10-25 23:03:53,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:03:53,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:03:53,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:03:53,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:03:53,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:53" (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 23:03:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:03:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:03:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:03:53,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:03:54,626 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:03:54,626 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-10-25 23:03:54,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:54 BoogieIcfgContainer [2020-10-25 23:03:54,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:03:54,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:03:54,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:03:54,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:03:54,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:03:52" (1/3) ... [2020-10-25 23:03:54,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2106fcfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:03:54, skipping insertion in model container [2020-10-25 23:03:54,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:53" (2/3) ... [2020-10-25 23:03:54,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2106fcfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:03:54, skipping insertion in model container [2020-10-25 23:03:54,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:54" (3/3) ... [2020-10-25 23:03:54,638 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2020-10-25 23:03:54,650 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:03:54,656 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:03:54,670 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:03:54,703 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:03:54,703 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:03:54,703 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:03:54,703 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:03:54,704 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:03:54,704 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:03:54,704 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:03:54,704 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:03:54,723 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-10-25 23:03:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:03:54,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:54,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:03:54,730 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:54,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:54,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1934504515, now seen corresponding path program 1 times [2020-10-25 23:03:54,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:54,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781325804] [2020-10-25 23:03:54,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:55,086 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 23:03:55,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781325804] [2020-10-25 23:03:55,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:55,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:03:55,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812355930] [2020-10-25 23:03:55,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:03:55,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:55,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:03:55,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:03:55,114 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-10-25 23:03:55,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:55,144 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-10-25 23:03:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:03:55,145 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:03:55,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:55,158 INFO L225 Difference]: With dead ends: 135 [2020-10-25 23:03:55,158 INFO L226 Difference]: Without dead ends: 65 [2020-10-25 23:03:55,162 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 23:03:55,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-25 23:03:55,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-25 23:03:55,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-25 23:03:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-10-25 23:03:55,212 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-10-25 23:03:55,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:55,212 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-10-25 23:03:55,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:03:55,213 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-10-25 23:03:55,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:03:55,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:55,214 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 23:03:55,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:03:55,215 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:55,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:55,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1313705884, now seen corresponding path program 1 times [2020-10-25 23:03:55,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:55,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393344389] [2020-10-25 23:03:55,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:55,359 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 23:03:55,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393344389] [2020-10-25 23:03:55,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:55,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:03:55,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433924892] [2020-10-25 23:03:55,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:03:55,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:55,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:03:55,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:03:55,364 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2020-10-25 23:03:55,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:55,375 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-10-25 23:03:55,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:03:55,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:03:55,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:55,377 INFO L225 Difference]: With dead ends: 65 [2020-10-25 23:03:55,377 INFO L226 Difference]: Without dead ends: 31 [2020-10-25 23:03:55,379 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 23:03:55,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-25 23:03:55,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-25 23:03:55,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-25 23:03:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-10-25 23:03:55,385 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-10-25 23:03:55,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:55,385 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-10-25 23:03:55,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:03:55,385 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-10-25 23:03:55,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:03:55,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:55,386 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 23:03:55,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:03:55,387 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:55,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:55,388 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2020-10-25 23:03:55,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:55,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838399014] [2020-10-25 23:03:55,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:55,522 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 23:03:55,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838399014] [2020-10-25 23:03:55,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:55,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:03:55,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701625480] [2020-10-25 23:03:55,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:55,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:55,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:55,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:55,527 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2020-10-25 23:03:55,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:55,641 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-10-25 23:03:55,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:03:55,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-25 23:03:55,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:55,643 INFO L225 Difference]: With dead ends: 56 [2020-10-25 23:03:55,643 INFO L226 Difference]: Without dead ends: 31 [2020-10-25 23:03:55,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:03:55,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-25 23:03:55,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-25 23:03:55,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-25 23:03:55,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-10-25 23:03:55,654 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-10-25 23:03:55,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:55,655 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-10-25 23:03:55,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:55,655 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-10-25 23:03:55,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-25 23:03:55,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:55,656 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 23:03:55,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:03:55,657 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:55,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:55,658 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2020-10-25 23:03:55,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:55,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960082425] [2020-10-25 23:03:55,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:55,781 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 23:03:55,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960082425] [2020-10-25 23:03:55,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:55,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:03:55,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986076044] [2020-10-25 23:03:55,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:55,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:55,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:55,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:55,784 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2020-10-25 23:03:55,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:55,892 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2020-10-25 23:03:55,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:03:55,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-25 23:03:55,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:55,894 INFO L225 Difference]: With dead ends: 132 [2020-10-25 23:03:55,894 INFO L226 Difference]: Without dead ends: 107 [2020-10-25 23:03:55,895 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 23:03:55,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-25 23:03:55,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2020-10-25 23:03:55,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-25 23:03:55,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2020-10-25 23:03:55,909 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2020-10-25 23:03:55,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:55,909 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2020-10-25 23:03:55,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:55,910 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2020-10-25 23:03:55,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:03:55,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:55,911 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 23:03:55,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:03:55,911 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:55,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:55,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1414455604, now seen corresponding path program 1 times [2020-10-25 23:03:55,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:55,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104807538] [2020-10-25 23:03:55,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:55,997 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 23:03:55,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104807538] [2020-10-25 23:03:55,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:55,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:03:55,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049742104] [2020-10-25 23:03:55,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:55,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:55,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:56,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:56,000 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2020-10-25 23:03:56,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:56,066 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2020-10-25 23:03:56,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:03:56,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:03:56,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:56,067 INFO L225 Difference]: With dead ends: 144 [2020-10-25 23:03:56,068 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:03:56,069 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 23:03:56,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:03:56,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:03:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:03:56,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:03:56,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-25 23:03:56,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:56,071 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:03:56,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:03:56,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:03:56,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:03:56,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:03:56,465 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:56,466 INFO L274 CegarLoopResult]: For program point L680(lines 679 726) no Hoare annotation was computed. [2020-10-25 23:03:56,466 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:03:56,466 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:03:56,466 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:03:56,466 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:03:56,467 INFO L270 CegarLoopResult]: At program point L631(lines 626 634) the Hoare annotation is: false [2020-10-25 23:03:56,467 INFO L270 CegarLoopResult]: At program point L631-1(lines 626 634) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:56,467 INFO L270 CegarLoopResult]: At program point L631-2(lines 626 634) the Hoare annotation is: false [2020-10-25 23:03:56,467 INFO L270 CegarLoopResult]: At program point L631-3(lines 626 634) the Hoare annotation is: false [2020-10-25 23:03:56,467 INFO L270 CegarLoopResult]: At program point L631-4(lines 626 634) the Hoare annotation is: false [2020-10-25 23:03:56,467 INFO L270 CegarLoopResult]: At program point L631-5(lines 626 634) the Hoare annotation is: false [2020-10-25 23:03:56,468 INFO L270 CegarLoopResult]: At program point L433(lines 1 877) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-25 23:03:56,468 INFO L274 CegarLoopResult]: For program point L681(lines 681 685) no Hoare annotation was computed. [2020-10-25 23:03:56,468 INFO L270 CegarLoopResult]: At program point L830(lines 825 833) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:56,468 INFO L270 CegarLoopResult]: At program point L830-1(lines 825 833) the Hoare annotation is: false [2020-10-25 23:03:56,468 INFO L270 CegarLoopResult]: At program point L830-2(lines 825 833) the Hoare annotation is: false [2020-10-25 23:03:56,469 INFO L274 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2020-10-25 23:03:56,469 INFO L277 CegarLoopResult]: At program point L533-1(lines 533 540) the Hoare annotation is: true [2020-10-25 23:03:56,469 INFO L274 CegarLoopResult]: For program point L781(lines 781 789) no Hoare annotation was computed. [2020-10-25 23:03:56,469 INFO L274 CegarLoopResult]: For program point L781-1(lines 781 789) no Hoare annotation was computed. [2020-10-25 23:03:56,469 INFO L274 CegarLoopResult]: For program point L781-2(lines 781 789) no Hoare annotation was computed. [2020-10-25 23:03:56,469 INFO L274 CegarLoopResult]: For program point L699(lines 699 705) no Hoare annotation was computed. [2020-10-25 23:03:56,470 INFO L270 CegarLoopResult]: At program point L699-1(lines 699 705) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:56,470 INFO L274 CegarLoopResult]: For program point L717(lines 717 721) no Hoare annotation was computed. [2020-10-25 23:03:56,470 INFO L270 CegarLoopResult]: At program point L717-2(lines 745 751) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:56,470 INFO L274 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2020-10-25 23:03:56,470 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:03:56,471 INFO L270 CegarLoopResult]: At program point L752(lines 752 758) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:56,471 INFO L270 CegarLoopResult]: At program point L752-1(lines 752 758) the Hoare annotation is: false [2020-10-25 23:03:56,471 INFO L270 CegarLoopResult]: At program point L752-2(lines 752 758) the Hoare annotation is: false [2020-10-25 23:03:56,471 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:56,471 INFO L274 CegarLoopResult]: For program point L606(lines 606 610) no Hoare annotation was computed. [2020-10-25 23:03:56,471 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:03:56,472 INFO L270 CegarLoopResult]: At program point L441(lines 436 444) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:56,472 INFO L270 CegarLoopResult]: At program point L821(lines 814 824) the Hoare annotation is: false [2020-10-25 23:03:56,472 INFO L270 CegarLoopResult]: At program point L821-1(lines 814 824) the Hoare annotation is: false [2020-10-25 23:03:56,472 INFO L270 CegarLoopResult]: At program point L821-2(lines 814 824) the Hoare annotation is: false [2020-10-25 23:03:56,472 INFO L274 CegarLoopResult]: For program point L689(lines 689 695) no Hoare annotation was computed. [2020-10-25 23:03:56,473 INFO L270 CegarLoopResult]: At program point L689-1(lines 689 695) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:56,473 INFO L270 CegarLoopResult]: At program point L458-2(lines 458 472) the Hoare annotation is: false [2020-10-25 23:03:56,473 INFO L274 CegarLoopResult]: For program point L558(lines 558 571) no Hoare annotation was computed. [2020-10-25 23:03:56,473 INFO L270 CegarLoopResult]: At program point L558-1(lines 1 877) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:56,473 INFO L274 CegarLoopResult]: For program point L558-2(lines 558 571) no Hoare annotation was computed. [2020-10-25 23:03:56,473 INFO L270 CegarLoopResult]: At program point L558-3(lines 1 877) the Hoare annotation is: false [2020-10-25 23:03:56,474 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-25 23:03:56,474 INFO L274 CegarLoopResult]: For program point L558-4(lines 558 571) no Hoare annotation was computed. [2020-10-25 23:03:56,474 INFO L270 CegarLoopResult]: At program point L558-5(lines 1 877) the Hoare annotation is: false [2020-10-25 23:03:56,474 INFO L277 CegarLoopResult]: At program point L542(lines 523 545) the Hoare annotation is: true [2020-10-25 23:03:56,474 INFO L270 CegarLoopResult]: At program point L509(lines 505 511) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:56,474 INFO L274 CegarLoopResult]: For program point L709(lines 709 722) no Hoare annotation was computed. [2020-10-25 23:03:56,474 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:03:56,475 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:56,475 INFO L274 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2020-10-25 23:03:56,475 INFO L274 CegarLoopResult]: For program point L594-3(lines 594 598) no Hoare annotation was computed. [2020-10-25 23:03:56,475 INFO L274 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2020-10-25 23:03:56,475 INFO L274 CegarLoopResult]: For program point L462-1(lines 745 751) no Hoare annotation was computed. [2020-10-25 23:03:56,475 INFO L274 CegarLoopResult]: For program point L594-6(lines 594 598) no Hoare annotation was computed. [2020-10-25 23:03:56,475 INFO L270 CegarLoopResult]: At program point L727(lines 678 728) the Hoare annotation is: false [2020-10-25 23:03:56,476 INFO L274 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-10-25 23:03:56,476 INFO L274 CegarLoopResult]: For program point L562-2(lines 562 568) no Hoare annotation was computed. [2020-10-25 23:03:56,476 INFO L274 CegarLoopResult]: For program point L562-4(lines 562 568) no Hoare annotation was computed. [2020-10-25 23:03:56,476 INFO L274 CegarLoopResult]: For program point L777(lines 777 794) no Hoare annotation was computed. [2020-10-25 23:03:56,476 INFO L274 CegarLoopResult]: For program point L777-1(lines 777 794) no Hoare annotation was computed. [2020-10-25 23:03:56,476 INFO L274 CegarLoopResult]: For program point L777-2(lines 777 794) no Hoare annotation was computed. [2020-10-25 23:03:56,477 INFO L270 CegarLoopResult]: At program point L745(lines 744 763) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:56,477 INFO L274 CegarLoopResult]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2020-10-25 23:03:56,477 INFO L270 CegarLoopResult]: At program point L745-2(lines 744 763) the Hoare annotation is: false [2020-10-25 23:03:56,477 INFO L270 CegarLoopResult]: At program point L745-3(lines 744 763) the Hoare annotation is: false [2020-10-25 23:03:56,477 INFO L274 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-25 23:03:56,477 INFO L274 CegarLoopResult]: For program point L580-1(line 580) no Hoare annotation was computed. [2020-10-25 23:03:56,477 INFO L274 CegarLoopResult]: For program point L580-2(line 580) no Hoare annotation was computed. [2020-10-25 23:03:56,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:03:56 BoogieIcfgContainer [2020-10-25 23:03:56,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:03:56,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:03:56,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:03:56,503 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:03:56,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:54" (3/4) ... [2020-10-25 23:03:56,507 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:03:56,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:03:56,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:03:56,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:03:56,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:03:56,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:03:56,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:03:56,534 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:03:56,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:03:56,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:03:56,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:56,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:56,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:56,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:56,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:56,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:56,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:56,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:56,649 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:03:56,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:03:56,652 INFO L168 Benchmark]: Toolchain (without parser) took 3804.94 ms. Allocated memory was 44.0 MB in the beginning and 81.8 MB in the end (delta: 37.7 MB). Free memory was 20.5 MB in the beginning and 56.2 MB in the end (delta: -35.7 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:56,652 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 44.0 MB. Free memory is still 30.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:03:56,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.12 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 28.8 MB in the beginning and 29.2 MB in the end (delta: -433.0 kB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:56,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.67 ms. Allocated memory is still 54.5 MB. Free memory was 29.0 MB in the beginning and 26.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:56,654 INFO L168 Benchmark]: Boogie Preprocessor took 58.08 ms. Allocated memory is still 54.5 MB. Free memory was 26.2 MB in the beginning and 37.5 MB in the end (delta: -11.3 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:56,654 INFO L168 Benchmark]: RCFGBuilder took 1028.66 ms. Allocated memory is still 54.5 MB. Free memory was 37.5 MB in the beginning and 21.1 MB in the end (delta: 16.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:56,655 INFO L168 Benchmark]: TraceAbstraction took 1871.28 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 20.8 MB in the beginning and 29.6 MB in the end (delta: -8.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:56,655 INFO L168 Benchmark]: Witness Printer took 146.74 ms. Allocated memory is still 81.8 MB. Free memory was 29.6 MB in the beginning and 56.2 MB in the end (delta: -26.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:56,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 44.0 MB. Free memory is still 30.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 585.12 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 28.8 MB in the beginning and 29.2 MB in the end (delta: -433.0 kB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.67 ms. Allocated memory is still 54.5 MB. Free memory was 29.0 MB in the beginning and 26.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.08 ms. Allocated memory is still 54.5 MB. Free memory was 26.2 MB in the beginning and 37.5 MB in the end (delta: -11.3 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1028.66 ms. Allocated memory is still 54.5 MB. Free memory was 37.5 MB in the beginning and 21.1 MB in the end (delta: 16.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1871.28 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 20.8 MB in the beginning and 29.6 MB in the end (delta: -8.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. * Witness Printer took 146.74 ms. Allocated memory is still 81.8 MB. Free memory was 29.6 MB in the beginning and 56.2 MB in the end (delta: -26.5 MB). Peak memory consumption was 2.1 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: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 284 SDtfs, 353 SDslu, 237 SDs, 0 SdLazy, 56 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 201 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1890 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 88 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s 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...