./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product11.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_spec4_product11.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 48c39be663ea9587abdd0baa0fb24ac54d02b705 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:07:08,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:07:08,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:07:08,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:07:08,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:07:08,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:07:08,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:07:08,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:07:08,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:07:08,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:07:08,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:07:08,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:07:08,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:07:08,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:07:08,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:07:08,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:07:08,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:07:08,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:07:08,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:07:08,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:07:08,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:07:08,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:07:08,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:07:08,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:07:08,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:07:08,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:07:08,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:07:08,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:07:08,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:07:08,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:07:08,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:07:08,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:07:08,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:07:08,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:07:08,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:07:08,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:07:08,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:07:08,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:07:08,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:07:08,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:07:08,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:07:08,748 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:07:08,791 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:07:08,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:07:08,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:07:08,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:07:08,793 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:07:08,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:07:08,794 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:07:08,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:07:08,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:07:08,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:07:08,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:07:08,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:07:08,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:07:08,795 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:07:08,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:07:08,796 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:07:08,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:07:08,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:07:08,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:07:08,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:07:08,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:07:08,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:07:08,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:07:08,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:07:08,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:07:08,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:07:08,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:07:08,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:07:08,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:07:08,799 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48c39be663ea9587abdd0baa0fb24ac54d02b705 [2020-10-25 23:07:09,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:07:09,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:07:09,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:07:09,252 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:07:09,253 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:07:09,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2020-10-25 23:07:09,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77c3d7147/4b58d9b2210644cfa7de5289e763af4f/FLAG0e1ac6369 [2020-10-25 23:07:09,946 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:07:09,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2020-10-25 23:07:09,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77c3d7147/4b58d9b2210644cfa7de5289e763af4f/FLAG0e1ac6369 [2020-10-25 23:07:10,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77c3d7147/4b58d9b2210644cfa7de5289e763af4f [2020-10-25 23:07:10,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:07:10,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:07:10,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:07:10,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:07:10,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:07:10,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:07:10" (1/1) ... [2020-10-25 23:07:10,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2797052c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:10, skipping insertion in model container [2020-10-25 23:07:10,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:07:10" (1/1) ... [2020-10-25 23:07:10,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:07:10,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:07:10,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:07:10,768 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:07:10,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:07:10,901 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:07:10,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:10 WrapperNode [2020-10-25 23:07:10,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:07:10,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:07:10,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:07:10,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:07:10,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:10" (1/1) ... [2020-10-25 23:07:10,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:10" (1/1) ... [2020-10-25 23:07:10,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:07:10,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:07:10,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:07:10,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:07:10,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:10" (1/1) ... [2020-10-25 23:07:10,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:10" (1/1) ... [2020-10-25 23:07:10,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:10" (1/1) ... [2020-10-25 23:07:10,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:10" (1/1) ... [2020-10-25 23:07:10,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:10" (1/1) ... [2020-10-25 23:07:11,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:10" (1/1) ... [2020-10-25 23:07:11,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:10" (1/1) ... [2020-10-25 23:07:11,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:07:11,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:07:11,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:07:11,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:07:11,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:10" (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 23:07:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:07:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:07:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:07:11,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:07:11,969 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:07:11,970 INFO L298 CfgBuilder]: Removed 76 assume(true) statements. [2020-10-25 23:07:11,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:11 BoogieIcfgContainer [2020-10-25 23:07:11,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:07:11,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:07:11,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:07:11,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:07:11,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:07:10" (1/3) ... [2020-10-25 23:07:11,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9db6e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:07:11, skipping insertion in model container [2020-10-25 23:07:11,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:10" (2/3) ... [2020-10-25 23:07:11,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9db6e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:07:11, skipping insertion in model container [2020-10-25 23:07:11,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:11" (3/3) ... [2020-10-25 23:07:11,981 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2020-10-25 23:07:11,993 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:07:11,998 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:07:12,012 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:07:12,039 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:07:12,039 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:07:12,039 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:07:12,039 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:07:12,039 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:07:12,040 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:07:12,040 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:07:12,040 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:07:12,057 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-10-25 23:07:12,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:07:12,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:12,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:12,066 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:12,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:12,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1328737855, now seen corresponding path program 1 times [2020-10-25 23:07:12,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:12,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784640043] [2020-10-25 23:07:12,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:12,418 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 23:07:12,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784640043] [2020-10-25 23:07:12,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:12,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:07:12,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428750521] [2020-10-25 23:07:12,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:07:12,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:12,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:07:12,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:07:12,452 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-10-25 23:07:12,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:12,492 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-10-25 23:07:12,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:07:12,494 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:07:12,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:12,506 INFO L225 Difference]: With dead ends: 115 [2020-10-25 23:07:12,507 INFO L226 Difference]: Without dead ends: 55 [2020-10-25 23:07:12,512 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 23:07:12,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-25 23:07:12,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-25 23:07:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-25 23:07:12,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-10-25 23:07:12,559 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-10-25 23:07:12,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:12,560 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-10-25 23:07:12,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:07:12,560 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-10-25 23:07:12,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:07:12,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:12,561 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 23:07:12,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:07:12,562 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:12,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:12,563 INFO L82 PathProgramCache]: Analyzing trace with hash 281980958, now seen corresponding path program 1 times [2020-10-25 23:07:12,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:12,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854298765] [2020-10-25 23:07:12,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:12,676 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 23:07:12,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854298765] [2020-10-25 23:07:12,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:12,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:07:12,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750927638] [2020-10-25 23:07:12,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:07:12,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:12,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:07:12,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:07:12,680 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-10-25 23:07:12,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:12,691 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-10-25 23:07:12,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:07:12,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:07:12,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:12,693 INFO L225 Difference]: With dead ends: 55 [2020-10-25 23:07:12,693 INFO L226 Difference]: Without dead ends: 29 [2020-10-25 23:07:12,694 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 23:07:12,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-25 23:07:12,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-25 23:07:12,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-25 23:07:12,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-10-25 23:07:12,699 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-10-25 23:07:12,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:12,700 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-10-25 23:07:12,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:07:12,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-10-25 23:07:12,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:07:12,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:12,701 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 23:07:12,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:07:12,702 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:12,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:12,702 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2020-10-25 23:07:12,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:12,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754668255] [2020-10-25 23:07:12,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:12,856 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 23:07:12,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754668255] [2020-10-25 23:07:12,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:12,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:07:12,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607222342] [2020-10-25 23:07:12,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:07:12,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:12,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:07:12,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:07:12,865 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2020-10-25 23:07:12,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:12,892 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2020-10-25 23:07:12,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:07:12,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-25 23:07:12,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:12,895 INFO L225 Difference]: With dead ends: 75 [2020-10-25 23:07:12,903 INFO L226 Difference]: Without dead ends: 52 [2020-10-25 23:07:12,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:07:12,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-25 23:07:12,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2020-10-25 23:07:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-25 23:07:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-10-25 23:07:12,915 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-10-25 23:07:12,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:12,916 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-10-25 23:07:12,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:07:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-10-25 23:07:12,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:07:12,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:12,917 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 23:07:12,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:07:12,918 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:12,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:12,919 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2020-10-25 23:07:12,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:12,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397693299] [2020-10-25 23:07:12,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:13,000 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 23:07:13,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397693299] [2020-10-25 23:07:13,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:13,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:07:13,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904405888] [2020-10-25 23:07:13,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:13,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:13,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:13,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:13,003 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-10-25 23:07:13,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:13,107 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2020-10-25 23:07:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:07:13,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-25 23:07:13,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:13,110 INFO L225 Difference]: With dead ends: 169 [2020-10-25 23:07:13,111 INFO L226 Difference]: Without dead ends: 127 [2020-10-25 23:07:13,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:07:13,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-25 23:07:13,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2020-10-25 23:07:13,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-25 23:07:13,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2020-10-25 23:07:13,130 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2020-10-25 23:07:13,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:13,130 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2020-10-25 23:07:13,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:13,131 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2020-10-25 23:07:13,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-25 23:07:13,132 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:13,140 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:13,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:07:13,140 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:13,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:13,141 INFO L82 PathProgramCache]: Analyzing trace with hash -170450738, now seen corresponding path program 1 times [2020-10-25 23:07:13,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:13,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608898689] [2020-10-25 23:07:13,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:13,221 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 23:07:13,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608898689] [2020-10-25 23:07:13,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:13,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:07:13,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670167690] [2020-10-25 23:07:13,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:13,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:13,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:13,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:13,226 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand 5 states. [2020-10-25 23:07:13,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:13,297 INFO L93 Difference]: Finished difference Result 204 states and 301 transitions. [2020-10-25 23:07:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:07:13,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-25 23:07:13,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:13,298 INFO L225 Difference]: With dead ends: 204 [2020-10-25 23:07:13,298 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:07:13,300 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 23:07:13,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:07:13,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:07:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:07:13,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:07:13,301 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-10-25 23:07:13,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:13,301 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:07:13,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:13,302 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:07:13,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:07:13,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:07:13,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:07:13,477 INFO L270 CegarLoopResult]: At program point L68-3(lines 67 86) the Hoare annotation is: false [2020-10-25 23:07:13,477 INFO L274 CegarLoopResult]: For program point L316(lines 316 320) no Hoare annotation was computed. [2020-10-25 23:07:13,477 INFO L274 CegarLoopResult]: For program point L250(lines 250 256) no Hoare annotation was computed. [2020-10-25 23:07:13,477 INFO L270 CegarLoopResult]: At program point L250-1(lines 68 74) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:13,478 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:13,478 INFO L274 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-10-25 23:07:13,478 INFO L270 CegarLoopResult]: At program point L234-1(lines 234 240) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:13,478 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:07:13,478 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:07:13,478 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:07:13,479 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:07:13,479 INFO L274 CegarLoopResult]: For program point L284(lines 284 290) no Hoare annotation was computed. [2020-10-25 23:07:13,479 INFO L274 CegarLoopResult]: For program point L284-2(lines 284 290) no Hoare annotation was computed. [2020-10-25 23:07:13,479 INFO L274 CegarLoopResult]: For program point L284-4(lines 284 290) no Hoare annotation was computed. [2020-10-25 23:07:13,479 INFO L270 CegarLoopResult]: At program point L865(lines 1 876) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:07:13,479 INFO L274 CegarLoopResult]: For program point L304(lines 304 308) no Hoare annotation was computed. [2020-10-25 23:07:13,479 INFO L274 CegarLoopResult]: For program point L304-3(lines 304 308) no Hoare annotation was computed. [2020-10-25 23:07:13,480 INFO L274 CegarLoopResult]: For program point L304-6(lines 304 308) no Hoare annotation was computed. [2020-10-25 23:07:13,480 INFO L274 CegarLoopResult]: For program point L189(lines 189 195) no Hoare annotation was computed. [2020-10-25 23:07:13,480 INFO L270 CegarLoopResult]: At program point L189-1(lines 189 195) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:13,480 INFO L270 CegarLoopResult]: At program point L437(lines 433 439) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:07:13,480 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:07:13,480 INFO L270 CegarLoopResult]: At program point L75(lines 75 81) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:13,481 INFO L270 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: false [2020-10-25 23:07:13,481 INFO L270 CegarLoopResult]: At program point L75-2(lines 75 81) the Hoare annotation is: false [2020-10-25 23:07:13,481 INFO L270 CegarLoopResult]: At program point L389-2(lines 389 403) the Hoare annotation is: false [2020-10-25 23:07:13,481 INFO L274 CegarLoopResult]: For program point L224(lines 224 230) no Hoare annotation was computed. [2020-10-25 23:07:13,481 INFO L270 CegarLoopResult]: At program point L224-1(lines 224 230) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:13,481 INFO L277 CegarLoopResult]: At program point L472(lines 453 475) the Hoare annotation is: true [2020-10-25 23:07:13,482 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:13,482 INFO L270 CegarLoopResult]: At program point L373(lines 368 376) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:13,482 INFO L270 CegarLoopResult]: At program point L373-1(lines 368 376) the Hoare annotation is: false [2020-10-25 23:07:13,482 INFO L270 CegarLoopResult]: At program point L373-2(lines 368 376) the Hoare annotation is: false [2020-10-25 23:07:13,482 INFO L274 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-10-25 23:07:13,483 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:07:13,483 INFO L274 CegarLoopResult]: For program point L244(lines 244 257) no Hoare annotation was computed. [2020-10-25 23:07:13,483 INFO L270 CegarLoopResult]: At program point L145(lines 140 148) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:13,483 INFO L270 CegarLoopResult]: At program point L145-1(lines 140 148) the Hoare annotation is: false [2020-10-25 23:07:13,483 INFO L270 CegarLoopResult]: At program point L145-2(lines 140 148) the Hoare annotation is: false [2020-10-25 23:07:13,483 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-25 23:07:13,484 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-25 23:07:13,484 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-25 23:07:13,484 INFO L274 CegarLoopResult]: For program point L393(lines 393 397) no Hoare annotation was computed. [2020-10-25 23:07:13,484 INFO L274 CegarLoopResult]: For program point L393-1(lines 68 74) no Hoare annotation was computed. [2020-10-25 23:07:13,484 INFO L270 CegarLoopResult]: At program point L873(lines 868 876) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:07:13,484 INFO L274 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-10-25 23:07:13,485 INFO L270 CegarLoopResult]: At program point L262(lines 213 263) the Hoare annotation is: false [2020-10-25 23:07:13,485 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:07:13,485 INFO L274 CegarLoopResult]: For program point L280(lines 280 293) no Hoare annotation was computed. [2020-10-25 23:07:13,485 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:13,485 INFO L270 CegarLoopResult]: At program point L280-1(lines 1 876) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:13,485 INFO L274 CegarLoopResult]: For program point L280-2(lines 280 293) no Hoare annotation was computed. [2020-10-25 23:07:13,486 INFO L270 CegarLoopResult]: At program point L280-3(lines 1 876) the Hoare annotation is: false [2020-10-25 23:07:13,486 INFO L274 CegarLoopResult]: For program point L280-4(lines 280 293) no Hoare annotation was computed. [2020-10-25 23:07:13,486 INFO L270 CegarLoopResult]: At program point L280-5(lines 1 876) the Hoare annotation is: false [2020-10-25 23:07:13,486 INFO L274 CegarLoopResult]: For program point L215(lines 214 261) no Hoare annotation was computed. [2020-10-25 23:07:13,486 INFO L274 CegarLoopResult]: For program point L463(lines 463 470) no Hoare annotation was computed. [2020-10-25 23:07:13,486 INFO L277 CegarLoopResult]: At program point L463-1(lines 463 470) the Hoare annotation is: true [2020-10-25 23:07:13,486 INFO L274 CegarLoopResult]: For program point L216(lines 216 220) no Hoare annotation was computed. [2020-10-25 23:07:13,487 INFO L270 CegarLoopResult]: At program point L68(lines 67 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:07:13,487 INFO L274 CegarLoopResult]: For program point L68-1(lines 68 74) no Hoare annotation was computed. [2020-10-25 23:07:13,487 INFO L270 CegarLoopResult]: At program point L68-2(lines 67 86) the Hoare annotation is: false [2020-10-25 23:07:13,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:07:13 BoogieIcfgContainer [2020-10-25 23:07:13,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:07:13,509 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:07:13,509 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:07:13,509 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:07:13,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:11" (3/4) ... [2020-10-25 23:07:13,513 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:07:13,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:07:13,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:07:13,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:07:13,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:07:13,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:07:13,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:07:13,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:07:13,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:07:13,621 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:07:13,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:07:13,623 INFO L168 Benchmark]: Toolchain (without parser) took 3358.68 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 21.1 MB in the beginning and 27.2 MB in the end (delta: -6.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:13,624 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 44.0 MB. Free memory is still 31.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:07:13,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.55 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.5 MB in the beginning and 34.5 MB in the end (delta: -14.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:13,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.18 ms. Allocated memory is still 54.5 MB. Free memory was 34.5 MB in the beginning and 31.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:13,625 INFO L168 Benchmark]: Boogie Preprocessor took 40.88 ms. Allocated memory is still 54.5 MB. Free memory was 31.8 MB in the beginning and 29.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:13,626 INFO L168 Benchmark]: RCFGBuilder took 956.68 ms. Allocated memory is still 54.5 MB. Free memory was 29.9 MB in the beginning and 26.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:13,626 INFO L168 Benchmark]: TraceAbstraction took 1534.26 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 25.8 MB in the beginning and 32.9 MB in the end (delta: -7.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:13,627 INFO L168 Benchmark]: Witness Printer took 112.44 ms. Allocated memory is still 67.1 MB. Free memory was 32.9 MB in the beginning and 27.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:13,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 44.0 MB. Free memory is still 31.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 628.55 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.5 MB in the beginning and 34.5 MB in the end (delta: -14.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.18 ms. Allocated memory is still 54.5 MB. Free memory was 34.5 MB in the beginning and 31.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.88 ms. Allocated memory is still 54.5 MB. Free memory was 31.8 MB in the beginning and 29.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 956.68 ms. Allocated memory is still 54.5 MB. Free memory was 29.9 MB in the beginning and 26.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1534.26 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 25.8 MB in the beginning and 32.9 MB in the end (delta: -7.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * Witness Printer took 112.44 ms. Allocated memory is still 67.1 MB. Free memory was 32.9 MB in the beginning and 27.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 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: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 268 SDtfs, 244 SDslu, 231 SDs, 0 SdLazy, 52 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 88 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 4221 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...