./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product05.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_product05.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 4f7d1f008fc605da9360b12daa11bcbc7acf8dd3 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:03:50,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:03:50,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:03:50,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:03:50,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:03:50,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:03:50,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:03:50,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:03:50,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:03:50,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:03:50,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:03:50,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:03:50,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:03:50,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:03:50,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:03:50,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:03:50,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:03:50,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:03:50,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:03:50,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:03:50,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:03:50,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:03:50,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:03:50,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:03:50,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:03:50,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:03:50,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:03:50,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:03:50,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:03:50,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:03:50,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:03:50,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:03:50,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:03:50,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:03:50,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:03:50,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:03:50,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:03:50,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:03:50,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:03:50,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:03:50,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:03:50,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:03:50,374 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:03:50,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:03:50,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:03:50,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:03:50,377 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:03:50,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:03:50,378 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:03:50,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:03:50,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:03:50,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:03:50,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:03:50,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:03:50,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:03:50,379 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:03:50,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:03:50,380 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:03:50,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:03:50,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:03:50,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:03:50,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:03:50,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:03:50,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:03:50,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:03:50,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:03:50,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:03:50,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:03:50,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:03:50,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:03:50,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:03:50,384 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f7d1f008fc605da9360b12daa11bcbc7acf8dd3 [2020-10-25 23:03:50,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:03:50,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:03:50,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:03:50,827 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:03:50,829 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:03:50,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2020-10-25 23:03:50,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b54fc3e/73d49bfa0fa943c5b522844fd6ea17aa/FLAG2a34f5a86 [2020-10-25 23:03:51,688 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:03:51,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2020-10-25 23:03:51,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b54fc3e/73d49bfa0fa943c5b522844fd6ea17aa/FLAG2a34f5a86 [2020-10-25 23:03:51,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b54fc3e/73d49bfa0fa943c5b522844fd6ea17aa [2020-10-25 23:03:51,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:03:52,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:03:52,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:03:52,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:03:52,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:03:52,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:03:51" (1/1) ... [2020-10-25 23:03:52,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10384f5e 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 23:03:52,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:03:51" (1/1) ... [2020-10-25 23:03:52,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:03:52,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:03:52,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:03:52,440 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:03:52,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:03:52,569 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:03:52,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:52 WrapperNode [2020-10-25 23:03:52,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:03:52,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:03:52,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:03:52,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:03:52,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:52" (1/1) ... [2020-10-25 23:03:52,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:52" (1/1) ... [2020-10-25 23:03:52,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:03:52,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:03:52,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:03:52,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:03:52,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:52" (1/1) ... [2020-10-25 23:03:52,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:52" (1/1) ... [2020-10-25 23:03:52,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:52" (1/1) ... [2020-10-25 23:03:52,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:52" (1/1) ... [2020-10-25 23:03:52,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:52" (1/1) ... [2020-10-25 23:03:52,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:52" (1/1) ... [2020-10-25 23:03:52,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:52" (1/1) ... [2020-10-25 23:03:52,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:03:52,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:03:52,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:03:52,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:03:52,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:52" (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 23:03:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:03:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:03:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:03:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:03:53,862 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:03:53,862 INFO L298 CfgBuilder]: Removed 102 assume(true) statements. [2020-10-25 23:03:53,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:53 BoogieIcfgContainer [2020-10-25 23:03:53,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:03:53,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:03:53,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:03:53,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:03:53,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:03:51" (1/3) ... [2020-10-25 23:03:53,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60da747f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:03:53, skipping insertion in model container [2020-10-25 23:03:53,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:52" (2/3) ... [2020-10-25 23:03:53,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60da747f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:03:53, skipping insertion in model container [2020-10-25 23:03:53,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:53" (3/3) ... [2020-10-25 23:03:53,875 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2020-10-25 23:03:53,886 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:03:53,892 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:03:53,907 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:03:53,942 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:03:53,943 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:03:53,943 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:03:53,943 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:03:53,944 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:03:53,944 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:03:53,944 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:03:53,944 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:03:53,963 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-10-25 23:03:53,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:03:53,970 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:53,971 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:03:53,972 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:53,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:53,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1508019772, now seen corresponding path program 1 times [2020-10-25 23:03:53,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:53,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34692016] [2020-10-25 23:03:53,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:54,322 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 23:03:54,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34692016] [2020-10-25 23:03:54,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:54,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:03:54,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475307421] [2020-10-25 23:03:54,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:03:54,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:54,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:03:54,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:03:54,351 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-10-25 23:03:54,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:54,385 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-10-25 23:03:54,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:03:54,386 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:03:54,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:54,406 INFO L225 Difference]: With dead ends: 135 [2020-10-25 23:03:54,406 INFO L226 Difference]: Without dead ends: 65 [2020-10-25 23:03:54,425 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 23:03:54,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-25 23:03:54,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-25 23:03:54,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-25 23:03:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-10-25 23:03:54,504 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-10-25 23:03:54,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:54,505 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-10-25 23:03:54,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:03:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-10-25 23:03:54,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:03:54,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:54,507 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 23:03:54,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:03:54,508 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:54,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:54,509 INFO L82 PathProgramCache]: Analyzing trace with hash 461262875, now seen corresponding path program 1 times [2020-10-25 23:03:54,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:54,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408050144] [2020-10-25 23:03:54,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:54,651 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 23:03:54,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408050144] [2020-10-25 23:03:54,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:54,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:03:54,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556759786] [2020-10-25 23:03:54,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:03:54,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:54,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:03:54,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:03:54,656 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2020-10-25 23:03:54,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:54,670 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-10-25 23:03:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:03:54,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:03:54,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:54,672 INFO L225 Difference]: With dead ends: 65 [2020-10-25 23:03:54,672 INFO L226 Difference]: Without dead ends: 31 [2020-10-25 23:03:54,674 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 23:03:54,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-25 23:03:54,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-25 23:03:54,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-25 23:03:54,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-10-25 23:03:54,680 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-10-25 23:03:54,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:54,681 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-10-25 23:03:54,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:03:54,681 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-10-25 23:03:54,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:03:54,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:54,682 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 23:03:54,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:03:54,683 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:54,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:54,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2020-10-25 23:03:54,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:54,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882936891] [2020-10-25 23:03:54,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:54,907 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 23:03:54,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882936891] [2020-10-25 23:03:54,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:54,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:03:54,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757440023] [2020-10-25 23:03:54,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:03:54,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:54,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:03:54,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:03:54,919 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 6 states. [2020-10-25 23:03:55,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:55,161 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-10-25 23:03:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:03:55,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-25 23:03:55,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:55,165 INFO L225 Difference]: With dead ends: 56 [2020-10-25 23:03:55,166 INFO L226 Difference]: Without dead ends: 31 [2020-10-25 23:03:55,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:03:55,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-25 23:03:55,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-25 23:03:55,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-25 23:03:55,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-10-25 23:03:55,180 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-10-25 23:03:55,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:55,181 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-10-25 23:03:55,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:03:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-10-25 23:03:55,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-25 23:03:55,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:55,184 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 23:03:55,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:03:55,184 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:55,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:55,187 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2020-10-25 23:03:55,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:55,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208958461] [2020-10-25 23:03:55,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:55,267 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 [208958461] [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 [4] imperfect sequences [] total 4 [2020-10-25 23:03:55,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622879727] [2020-10-25 23:03:55,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:55,361 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 5 interpolants. [2020-10-25 23:03:55,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:55,366 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2020-10-25 23:03:55,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:55,521 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2020-10-25 23:03:55,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:03:55,521 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-25 23:03:55,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:55,523 INFO L225 Difference]: With dead ends: 132 [2020-10-25 23:03:55,523 INFO L226 Difference]: Without dead ends: 107 [2020-10-25 23:03:55,524 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 23:03:55,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-25 23:03:55,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2020-10-25 23:03:55,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-25 23:03:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2020-10-25 23:03:55,548 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2020-10-25 23:03:55,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:55,548 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2020-10-25 23:03:55,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:55,548 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2020-10-25 23:03:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:03:55,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:55,550 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 23:03:55,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:03:55,550 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:55,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:55,551 INFO L82 PathProgramCache]: Analyzing trace with hash 2028068683, now seen corresponding path program 1 times [2020-10-25 23:03:55,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:55,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35561758] [2020-10-25 23:03:55,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:55,690 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 23:03:55,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35561758] [2020-10-25 23:03:55,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:55,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:03:55,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262587452] [2020-10-25 23:03:55,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:55,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:55,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:55,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:55,694 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2020-10-25 23:03:55,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:55,783 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2020-10-25 23:03:55,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:03:55,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:03:55,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:55,784 INFO L225 Difference]: With dead ends: 144 [2020-10-25 23:03:55,785 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:03:55,786 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 23:03:55,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:03:55,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:03:55,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:03:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:03:55,787 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-25 23:03:55,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:55,787 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:03:55,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:03:55,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:03:55,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:03:55,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:03:56,050 INFO L277 CegarLoopResult]: At program point L828(lines 809 831) the Hoare annotation is: true [2020-10-25 23:03:56,051 INFO L270 CegarLoopResult]: At program point L217(lines 210 220) the Hoare annotation is: false [2020-10-25 23:03:56,051 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:56,051 INFO L270 CegarLoopResult]: At program point L217-1(lines 210 220) the Hoare annotation is: false [2020-10-25 23:03:56,052 INFO L270 CegarLoopResult]: At program point L217-2(lines 210 220) the Hoare annotation is: false [2020-10-25 23:03:56,052 INFO L270 CegarLoopResult]: At program point L333(lines 286 334) the Hoare annotation is: false [2020-10-25 23:03:56,052 INFO L274 CegarLoopResult]: For program point L746(line 746) no Hoare annotation was computed. [2020-10-25 23:03:56,052 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:03:56,052 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:03:56,052 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:03:56,052 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:03:56,052 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-25 23:03:56,053 INFO L270 CegarLoopResult]: At program point L863(lines 858 866) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:03:56,053 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-10-25 23:03:56,053 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-10-25 23:03:56,054 INFO L274 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-10-25 23:03:56,055 INFO L274 CegarLoopResult]: For program point L749(lines 749 753) no Hoare annotation was computed. [2020-10-25 23:03:56,055 INFO L274 CegarLoopResult]: For program point L716(lines 716 729) no Hoare annotation was computed. [2020-10-25 23:03:56,056 INFO L274 CegarLoopResult]: For program point L749-1(lines 141 147) no Hoare annotation was computed. [2020-10-25 23:03:56,056 INFO L270 CegarLoopResult]: At program point L716-1(lines 1 866) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:56,056 INFO L274 CegarLoopResult]: For program point L716-2(lines 716 729) no Hoare annotation was computed. [2020-10-25 23:03:56,056 INFO L270 CegarLoopResult]: At program point L716-3(lines 1 866) the Hoare annotation is: false [2020-10-25 23:03:56,057 INFO L274 CegarLoopResult]: For program point L716-4(lines 716 729) no Hoare annotation was computed. [2020-10-25 23:03:56,057 INFO L270 CegarLoopResult]: At program point L716-5(lines 1 866) the Hoare annotation is: false [2020-10-25 23:03:56,057 INFO L274 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-10-25 23:03:56,058 INFO L274 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-10-25 23:03:56,058 INFO L274 CegarLoopResult]: For program point L271-2(line 271) no Hoare annotation was computed. [2020-10-25 23:03:56,058 INFO L274 CegarLoopResult]: For program point L288(lines 287 332) no Hoare annotation was computed. [2020-10-25 23:03:56,058 INFO L274 CegarLoopResult]: For program point L173(lines 173 190) no Hoare annotation was computed. [2020-10-25 23:03:56,058 INFO L274 CegarLoopResult]: For program point L173-1(lines 173 190) no Hoare annotation was computed. [2020-10-25 23:03:56,059 INFO L274 CegarLoopResult]: For program point L173-2(lines 173 190) no Hoare annotation was computed. [2020-10-25 23:03:56,060 INFO L274 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-10-25 23:03:56,064 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:03:56,064 INFO L270 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-10-25 23:03:56,065 INFO L270 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:56,065 INFO L270 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-10-25 23:03:56,065 INFO L270 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2020-10-25 23:03:56,065 INFO L270 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2020-10-25 23:03:56,065 INFO L270 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2020-10-25 23:03:56,066 INFO L270 CegarLoopResult]: At program point L141(lines 140 159) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:56,066 INFO L274 CegarLoopResult]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2020-10-25 23:03:56,066 INFO L270 CegarLoopResult]: At program point L141-2(lines 140 159) the Hoare annotation is: false [2020-10-25 23:03:56,066 INFO L270 CegarLoopResult]: At program point L141-3(lines 140 159) the Hoare annotation is: false [2020-10-25 23:03:56,066 INFO L274 CegarLoopResult]: For program point L323(lines 323 327) no Hoare annotation was computed. [2020-10-25 23:03:56,069 INFO L274 CegarLoopResult]: For program point L323-2(lines 141 147) no Hoare annotation was computed. [2020-10-25 23:03:56,071 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:56,071 INFO L274 CegarLoopResult]: For program point L819(lines 819 826) no Hoare annotation was computed. [2020-10-25 23:03:56,071 INFO L274 CegarLoopResult]: For program point L307(lines 307 313) no Hoare annotation was computed. [2020-10-25 23:03:56,071 INFO L270 CegarLoopResult]: At program point L307-1(lines 307 313) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:56,072 INFO L277 CegarLoopResult]: At program point L819-1(lines 819 826) the Hoare annotation is: true [2020-10-25 23:03:56,072 INFO L274 CegarLoopResult]: For program point L720(lines 720 726) no Hoare annotation was computed. [2020-10-25 23:03:56,072 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 726) no Hoare annotation was computed. [2020-10-25 23:03:56,072 INFO L274 CegarLoopResult]: For program point L720-4(lines 720 726) no Hoare annotation was computed. [2020-10-25 23:03:56,072 INFO L270 CegarLoopResult]: At program point L226(lines 221 229) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:56,073 INFO L270 CegarLoopResult]: At program point L226-1(lines 221 229) the Hoare annotation is: false [2020-10-25 23:03:56,073 INFO L270 CegarLoopResult]: At program point L226-2(lines 221 229) the Hoare annotation is: false [2020-10-25 23:03:56,073 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:03:56,073 INFO L274 CegarLoopResult]: For program point L177(lines 177 185) no Hoare annotation was computed. [2020-10-25 23:03:56,073 INFO L274 CegarLoopResult]: For program point L177-1(lines 177 185) no Hoare annotation was computed. [2020-10-25 23:03:56,074 INFO L274 CegarLoopResult]: For program point L177-2(lines 177 185) no Hoare annotation was computed. [2020-10-25 23:03:56,074 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-10-25 23:03:56,074 INFO L270 CegarLoopResult]: At program point L855(lines 1 866) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:03:56,074 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:03:56,074 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:56,075 INFO L270 CegarLoopResult]: At program point L148(lines 148 154) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:56,075 INFO L270 CegarLoopResult]: At program point L148-1(lines 148 154) the Hoare annotation is: false [2020-10-25 23:03:56,075 INFO L270 CegarLoopResult]: At program point L148-2(lines 148 154) the Hoare annotation is: false [2020-10-25 23:03:56,075 INFO L274 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-10-25 23:03:56,076 INFO L270 CegarLoopResult]: At program point L297-1(lines 297 303) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:56,076 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-10-25 23:03:56,076 INFO L270 CegarLoopResult]: At program point L793(lines 789 795) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:03:56,077 INFO L270 CegarLoopResult]: At program point L745-2(lines 745 759) the Hoare annotation is: false [2020-10-25 23:03:56,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:03:56 BoogieIcfgContainer [2020-10-25 23:03:56,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:03:56,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:03:56,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:03:56,117 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:03:56,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:53" (3/4) ... [2020-10-25 23:03:56,125 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:03:56,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:03:56,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:03:56,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:03:56,148 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:03:56,149 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:03:56,149 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:03:56,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:03:56,180 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-25 23:03:56,181 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-25 23:03:56,181 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:03:56,182 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:03:56,182 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:03:56,183 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:03:56,183 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:03:56,184 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:03:56,185 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:03:56,246 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:03:56,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:03:56,249 INFO L168 Benchmark]: Toolchain (without parser) took 4258.37 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 38.2 MB in the beginning and 33.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:56,250 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 44.0 MB. Free memory was 29.7 MB in the beginning and 29.6 MB in the end (delta: 30.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:03:56,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.97 ms. Allocated memory is still 54.5 MB. Free memory was 37.6 MB in the beginning and 31.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:56,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.61 ms. Allocated memory is still 54.5 MB. Free memory was 31.2 MB in the beginning and 28.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:56,251 INFO L168 Benchmark]: Boogie Preprocessor took 41.69 ms. Allocated memory is still 54.5 MB. Free memory was 28.3 MB in the beginning and 26.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:56,252 INFO L168 Benchmark]: RCFGBuilder took 1155.50 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.2 MB in the beginning and 32.1 MB in the end (delta: -6.0 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:56,253 INFO L168 Benchmark]: TraceAbstraction took 2249.02 ms. Allocated memory is still 67.1 MB. Free memory was 31.8 MB in the beginning and 39.4 MB in the end (delta: -7.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:56,253 INFO L168 Benchmark]: Witness Printer took 130.58 ms. Allocated memory is still 67.1 MB. Free memory was 39.4 MB in the beginning and 33.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:56,256 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 44.0 MB. Free memory was 29.7 MB in the beginning and 29.6 MB in the end (delta: 30.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 565.97 ms. Allocated memory is still 54.5 MB. Free memory was 37.6 MB in the beginning and 31.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.61 ms. Allocated memory is still 54.5 MB. Free memory was 31.2 MB in the beginning and 28.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.69 ms. Allocated memory is still 54.5 MB. Free memory was 28.3 MB in the beginning and 26.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1155.50 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.2 MB in the beginning and 32.1 MB in the end (delta: -6.0 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2249.02 ms. Allocated memory is still 67.1 MB. Free memory was 31.8 MB in the beginning and 39.4 MB in the end (delta: -7.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * Witness Printer took 130.58 ms. Allocated memory is still 67.1 MB. Free memory was 39.4 MB in the beginning and 33.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 789]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 284 SDtfs, 355 SDslu, 235 SDs, 0 SdLazy, 58 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s 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, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 174 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1454 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 84 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4708 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...