./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product29.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_spec2_product29.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 db34ce7f2561b6e02b8ca3433870fb499d17b965 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:05:25,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:25,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:25,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:25,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:25,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:25,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:25,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:25,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:25,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:25,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:25,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:25,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:25,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:25,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:25,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:25,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:25,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:25,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:25,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:25,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:25,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:25,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:25,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:25,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:25,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:25,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:25,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:25,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:25,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:25,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:25,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:25,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:25,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:25,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:25,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:25,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:25,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:25,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:25,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:25,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:25,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:25,332 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:25,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:25,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:25,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:25,338 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:25,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:25,338 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:25,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:25,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:25,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:25,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:25,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:25,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:25,342 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:25,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:25,342 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:25,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:25,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:25,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:25,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:25,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:25,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:25,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:25,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:25,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:25,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:25,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:25,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:25,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:25,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db34ce7f2561b6e02b8ca3433870fb499d17b965 [2020-10-25 23:05:25,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:25,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:25,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:25,791 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:25,795 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:25,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2020-10-25 23:05:25,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c7d86ca2/60d2d882862b499fa2a8cdeb96c0ec01/FLAG87ae4ae77 [2020-10-25 23:05:26,661 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:26,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2020-10-25 23:05:26,681 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c7d86ca2/60d2d882862b499fa2a8cdeb96c0ec01/FLAG87ae4ae77 [2020-10-25 23:05:26,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c7d86ca2/60d2d882862b499fa2a8cdeb96c0ec01 [2020-10-25 23:05:26,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:26,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:26,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:26,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:26,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:26,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:26" (1/1) ... [2020-10-25 23:05:26,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334eeb9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:26, skipping insertion in model container [2020-10-25 23:05:26,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:26" (1/1) ... [2020-10-25 23:05:26,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:26,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:27,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:27,378 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:27,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:27,539 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:27,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:27 WrapperNode [2020-10-25 23:05:27,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:27,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:27,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:27,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:27,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:27" (1/1) ... [2020-10-25 23:05:27,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:27" (1/1) ... [2020-10-25 23:05:27,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:27,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:27,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:27,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:27,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:27" (1/1) ... [2020-10-25 23:05:27,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:27" (1/1) ... [2020-10-25 23:05:27,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:27" (1/1) ... [2020-10-25 23:05:27,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:27" (1/1) ... [2020-10-25 23:05:27,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:27" (1/1) ... [2020-10-25 23:05:27,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:27" (1/1) ... [2020-10-25 23:05:27,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:27" (1/1) ... [2020-10-25 23:05:27,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:27,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:27,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:27,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:27,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:27" (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 23:05:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:29,073 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:29,074 INFO L298 CfgBuilder]: Removed 164 assume(true) statements. [2020-10-25 23:05:29,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:29 BoogieIcfgContainer [2020-10-25 23:05:29,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:29,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:29,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:29,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:29,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:26" (1/3) ... [2020-10-25 23:05:29,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55cf0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:29, skipping insertion in model container [2020-10-25 23:05:29,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:27" (2/3) ... [2020-10-25 23:05:29,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55cf0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:29, skipping insertion in model container [2020-10-25 23:05:29,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:29" (3/3) ... [2020-10-25 23:05:29,087 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product29.cil.c [2020-10-25 23:05:29,100 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:29,106 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:29,121 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:29,150 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:29,150 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:29,151 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:29,151 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:29,151 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:29,151 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:29,151 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:29,151 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:29,172 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-10-25 23:05:29,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:29,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:29,188 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:29,188 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:29,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:29,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1650685455, now seen corresponding path program 1 times [2020-10-25 23:05:29,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:29,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462373874] [2020-10-25 23:05:29,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:29,463 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 23:05:29,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462373874] [2020-10-25 23:05:29,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:29,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:29,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477673027] [2020-10-25 23:05:29,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:29,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:29,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:29,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:29,491 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-10-25 23:05:29,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:29,528 INFO L93 Difference]: Finished difference Result 214 states and 321 transitions. [2020-10-25 23:05:29,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:29,530 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:29,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:29,543 INFO L225 Difference]: With dead ends: 214 [2020-10-25 23:05:29,543 INFO L226 Difference]: Without dead ends: 105 [2020-10-25 23:05:29,547 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 23:05:29,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-25 23:05:29,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-10-25 23:05:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-25 23:05:29,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2020-10-25 23:05:29,599 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2020-10-25 23:05:29,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:29,599 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2020-10-25 23:05:29,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2020-10-25 23:05:29,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:29,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:29,601 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:29,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:29,602 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:29,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:29,603 INFO L82 PathProgramCache]: Analyzing trace with hash -234581629, now seen corresponding path program 1 times [2020-10-25 23:05:29,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:29,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309095078] [2020-10-25 23:05:29,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:29,760 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 23:05:29,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309095078] [2020-10-25 23:05:29,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:29,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:29,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499033493] [2020-10-25 23:05:29,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:29,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:29,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:29,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:29,765 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 3 states. [2020-10-25 23:05:29,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:29,780 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2020-10-25 23:05:29,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:29,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:29,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:29,782 INFO L225 Difference]: With dead ends: 105 [2020-10-25 23:05:29,782 INFO L226 Difference]: Without dead ends: 45 [2020-10-25 23:05:29,783 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 23:05:29,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-25 23:05:29,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-25 23:05:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-25 23:05:29,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-10-25 23:05:29,791 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2020-10-25 23:05:29,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:29,791 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-10-25 23:05:29,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:29,792 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-10-25 23:05:29,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:29,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:29,793 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 23:05:29,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:29,793 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:29,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:29,794 INFO L82 PathProgramCache]: Analyzing trace with hash -2132184394, now seen corresponding path program 1 times [2020-10-25 23:05:29,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:29,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343852946] [2020-10-25 23:05:29,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:29,974 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 23:05:29,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343852946] [2020-10-25 23:05:29,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:29,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:29,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380477073] [2020-10-25 23:05:29,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:29,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:29,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:29,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:29,977 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 6 states. [2020-10-25 23:05:30,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:30,200 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2020-10-25 23:05:30,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:30,201 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-25 23:05:30,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:30,202 INFO L225 Difference]: With dead ends: 83 [2020-10-25 23:05:30,203 INFO L226 Difference]: Without dead ends: 45 [2020-10-25 23:05:30,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:05:30,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-25 23:05:30,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-25 23:05:30,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-25 23:05:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2020-10-25 23:05:30,219 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2020-10-25 23:05:30,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:30,220 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2020-10-25 23:05:30,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:30,221 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-10-25 23:05:30,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:30,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:30,224 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:30,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:30,224 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:30,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:30,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1437786744, now seen corresponding path program 1 times [2020-10-25 23:05:30,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:30,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427276824] [2020-10-25 23:05:30,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:30,377 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 23:05:30,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427276824] [2020-10-25 23:05:30,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:30,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:30,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336614819] [2020-10-25 23:05:30,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:30,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:30,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:30,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:30,380 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2020-10-25 23:05:30,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:30,513 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-10-25 23:05:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:30,513 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-25 23:05:30,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:30,515 INFO L225 Difference]: With dead ends: 207 [2020-10-25 23:05:30,516 INFO L226 Difference]: Without dead ends: 169 [2020-10-25 23:05:30,517 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 23:05:30,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-10-25 23:05:30,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2020-10-25 23:05:30,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-25 23:05:30,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2020-10-25 23:05:30,535 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2020-10-25 23:05:30,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:30,536 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2020-10-25 23:05:30,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:30,536 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2020-10-25 23:05:30,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-25 23:05:30,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:30,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:30,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:30,538 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:30,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:30,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1841086480, now seen corresponding path program 1 times [2020-10-25 23:05:30,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:30,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556131392] [2020-10-25 23:05:30,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:30,621 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 23:05:30,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556131392] [2020-10-25 23:05:30,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:30,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:30,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155780497] [2020-10-25 23:05:30,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:30,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:30,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:30,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:30,624 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2020-10-25 23:05:30,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:30,714 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2020-10-25 23:05:30,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:30,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-25 23:05:30,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:30,715 INFO L225 Difference]: With dead ends: 176 [2020-10-25 23:05:30,715 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:30,720 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 23:05:30,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:30,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:30,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:30,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:30,721 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-10-25 23:05:30,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:30,725 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:30,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:30,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:30,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:30,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:30,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:31,085 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:31,086 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:31,086 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:31,086 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:31,086 INFO L270 CegarLoopResult]: At program point L335-2(lines 335 349) the Hoare annotation is: false [2020-10-25 23:05:31,087 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:31,087 INFO L274 CegarLoopResult]: For program point L236-2(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:31,087 INFO L274 CegarLoopResult]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:31,087 INFO L274 CegarLoopResult]: For program point L236-5(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:31,087 INFO L274 CegarLoopResult]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:31,087 INFO L274 CegarLoopResult]: For program point L236-8(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:31,087 INFO L274 CegarLoopResult]: For program point L236-9(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:31,088 INFO L274 CegarLoopResult]: For program point L236-11(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:31,088 INFO L274 CegarLoopResult]: For program point L236-12(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:31,088 INFO L274 CegarLoopResult]: For program point L236-14(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:31,091 INFO L274 CegarLoopResult]: For program point L236-15(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:31,091 INFO L274 CegarLoopResult]: For program point L236-17(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:31,091 INFO L274 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2020-10-25 23:05:31,091 INFO L274 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2020-10-25 23:05:31,091 INFO L270 CegarLoopResult]: At program point L270-1(lines 270 276) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:31,092 INFO L274 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-10-25 23:05:31,092 INFO L270 CegarLoopResult]: At program point L306(lines 259 307) the Hoare annotation is: false [2020-10-25 23:05:31,092 INFO L274 CegarLoopResult]: For program point L339-1(lines 59 65) no Hoare annotation was computed. [2020-10-25 23:05:31,092 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:31,092 INFO L274 CegarLoopResult]: For program point L506(lines 506 510) no Hoare annotation was computed. [2020-10-25 23:05:31,092 INFO L274 CegarLoopResult]: For program point L506-3(lines 506 510) no Hoare annotation was computed. [2020-10-25 23:05:31,093 INFO L274 CegarLoopResult]: For program point L506-6(lines 506 510) no Hoare annotation was computed. [2020-10-25 23:05:31,093 INFO L270 CegarLoopResult]: At program point L242(lines 227 245) the Hoare annotation is: false [2020-10-25 23:05:31,093 INFO L270 CegarLoopResult]: At program point L242-1(lines 227 245) the Hoare annotation is: false [2020-10-25 23:05:31,095 INFO L270 CegarLoopResult]: At program point L242-2(lines 227 245) the Hoare annotation is: false [2020-10-25 23:05:31,095 INFO L270 CegarLoopResult]: At program point L242-3(lines 227 245) the Hoare annotation is: false [2020-10-25 23:05:31,095 INFO L270 CegarLoopResult]: At program point L242-4(lines 227 245) the Hoare annotation is: false [2020-10-25 23:05:31,095 INFO L270 CegarLoopResult]: At program point L242-5(lines 227 245) the Hoare annotation is: false [2020-10-25 23:05:31,095 INFO L274 CegarLoopResult]: For program point L442(lines 442 459) no Hoare annotation was computed. [2020-10-25 23:05:31,096 INFO L270 CegarLoopResult]: At program point L442-1(lines 1 953) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:31,096 INFO L274 CegarLoopResult]: For program point L442-2(lines 442 459) no Hoare annotation was computed. [2020-10-25 23:05:31,096 INFO L270 CegarLoopResult]: At program point L442-3(lines 1 953) the Hoare annotation is: false [2020-10-25 23:05:31,096 INFO L274 CegarLoopResult]: For program point L442-4(lines 442 459) no Hoare annotation was computed. [2020-10-25 23:05:31,096 INFO L270 CegarLoopResult]: At program point L442-5(lines 1 953) the Hoare annotation is: false [2020-10-25 23:05:31,096 INFO L270 CegarLoopResult]: At program point L178(lines 171 181) the Hoare annotation is: false [2020-10-25 23:05:31,096 INFO L270 CegarLoopResult]: At program point L178-1(lines 171 181) the Hoare annotation is: false [2020-10-25 23:05:31,097 INFO L270 CegarLoopResult]: At program point L178-2(lines 171 181) the Hoare annotation is: false [2020-10-25 23:05:31,097 INFO L270 CegarLoopResult]: At program point L543(lines 538 546) the Hoare annotation is: false [2020-10-25 23:05:31,099 INFO L270 CegarLoopResult]: At program point L543-1(lines 538 546) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:31,100 INFO L270 CegarLoopResult]: At program point L543-2(lines 538 546) the Hoare annotation is: false [2020-10-25 23:05:31,100 INFO L270 CegarLoopResult]: At program point L543-3(lines 538 546) the Hoare annotation is: false [2020-10-25 23:05:31,100 INFO L274 CegarLoopResult]: For program point L411(lines 411 418) no Hoare annotation was computed. [2020-10-25 23:05:31,101 INFO L270 CegarLoopResult]: At program point L543-4(lines 538 546) the Hoare annotation is: false [2020-10-25 23:05:31,101 INFO L270 CegarLoopResult]: At program point L543-5(lines 538 546) the Hoare annotation is: false [2020-10-25 23:05:31,101 INFO L277 CegarLoopResult]: At program point L411-1(lines 411 418) the Hoare annotation is: true [2020-10-25 23:05:31,101 INFO L274 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2020-10-25 23:05:31,101 INFO L270 CegarLoopResult]: At program point L280-1(lines 280 286) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:31,101 INFO L274 CegarLoopResult]: For program point L446(lines 446 456) no Hoare annotation was computed. [2020-10-25 23:05:31,101 INFO L274 CegarLoopResult]: For program point L446-2(lines 446 456) no Hoare annotation was computed. [2020-10-25 23:05:31,102 INFO L274 CegarLoopResult]: For program point L446-4(lines 446 456) no Hoare annotation was computed. [2020-10-25 23:05:31,102 INFO L274 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-10-25 23:05:31,102 INFO L274 CegarLoopResult]: For program point L447-2(lines 447 453) no Hoare annotation was computed. [2020-10-25 23:05:31,107 INFO L274 CegarLoopResult]: For program point L447-4(lines 447 453) no Hoare annotation was computed. [2020-10-25 23:05:31,108 INFO L274 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2020-10-25 23:05:31,108 INFO L274 CegarLoopResult]: For program point L117-1(lines 117 134) no Hoare annotation was computed. [2020-10-25 23:05:31,108 INFO L274 CegarLoopResult]: For program point L117-2(lines 117 134) no Hoare annotation was computed. [2020-10-25 23:05:31,108 INFO L270 CegarLoopResult]: At program point L383(lines 379 385) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:31,108 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:31,108 INFO L274 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-10-25 23:05:31,109 INFO L274 CegarLoopResult]: For program point L319-1(line 319) no Hoare annotation was computed. [2020-10-25 23:05:31,109 INFO L274 CegarLoopResult]: For program point L319-2(line 319) no Hoare annotation was computed. [2020-10-25 23:05:31,109 INFO L270 CegarLoopResult]: At program point L187(lines 182 190) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:31,109 INFO L270 CegarLoopResult]: At program point L187-1(lines 182 190) the Hoare annotation is: false [2020-10-25 23:05:31,109 INFO L274 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-10-25 23:05:31,109 INFO L270 CegarLoopResult]: At program point L187-2(lines 182 190) the Hoare annotation is: false [2020-10-25 23:05:31,110 INFO L274 CegarLoopResult]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2020-10-25 23:05:31,110 INFO L274 CegarLoopResult]: For program point L121-2(lines 121 129) no Hoare annotation was computed. [2020-10-25 23:05:31,110 INFO L270 CegarLoopResult]: At program point L584(lines 579 587) the Hoare annotation is: false [2020-10-25 23:05:31,112 INFO L270 CegarLoopResult]: At program point L584-1(lines 579 587) the Hoare annotation is: false [2020-10-25 23:05:31,112 INFO L274 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2020-10-25 23:05:31,112 INFO L270 CegarLoopResult]: At program point L584-2(lines 579 587) the Hoare annotation is: false [2020-10-25 23:05:31,112 INFO L270 CegarLoopResult]: At program point L584-3(lines 579 587) the Hoare annotation is: false [2020-10-25 23:05:31,113 INFO L270 CegarLoopResult]: At program point L584-4(lines 579 587) the Hoare annotation is: false [2020-10-25 23:05:31,113 INFO L270 CegarLoopResult]: At program point L584-5(lines 579 587) the Hoare annotation is: false [2020-10-25 23:05:31,113 INFO L270 CegarLoopResult]: At program point L486(lines 1 953) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:31,113 INFO L277 CegarLoopResult]: At program point L420(lines 401 423) the Hoare annotation is: true [2020-10-25 23:05:31,113 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:31,113 INFO L274 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:05:31,113 INFO L274 CegarLoopResult]: For program point L91-1(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:05:31,114 INFO L274 CegarLoopResult]: For program point L91-2(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:05:31,114 INFO L274 CegarLoopResult]: For program point L91-3(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:05:31,114 INFO L274 CegarLoopResult]: For program point L91-4(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:05:31,114 INFO L274 CegarLoopResult]: For program point L91-5(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:05:31,114 INFO L274 CegarLoopResult]: For program point L290(lines 290 301) no Hoare annotation was computed. [2020-10-25 23:05:31,114 INFO L270 CegarLoopResult]: At program point L59(lines 58 77) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:31,114 INFO L274 CegarLoopResult]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2020-10-25 23:05:31,115 INFO L270 CegarLoopResult]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2020-10-25 23:05:31,115 INFO L270 CegarLoopResult]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2020-10-25 23:05:31,115 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:31,115 INFO L274 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:05:31,115 INFO L274 CegarLoopResult]: For program point L95-1(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:05:31,115 INFO L274 CegarLoopResult]: For program point L95-2(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:05:31,115 INFO L274 CegarLoopResult]: For program point L95-3(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:05:31,115 INFO L274 CegarLoopResult]: For program point L95-4(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:05:31,116 INFO L274 CegarLoopResult]: For program point L95-5(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:05:31,116 INFO L274 CegarLoopResult]: For program point L261(lines 260 305) no Hoare annotation was computed. [2020-10-25 23:05:31,116 INFO L274 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-10-25 23:05:31,117 INFO L270 CegarLoopResult]: At program point L494(lines 489 497) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:31,117 INFO L274 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-10-25 23:05:31,117 INFO L274 CegarLoopResult]: For program point L296-2(lines 59 65) no Hoare annotation was computed. [2020-10-25 23:05:31,117 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:31,118 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:31,118 INFO L270 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:31,119 INFO L270 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2020-10-25 23:05:31,119 INFO L270 CegarLoopResult]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2020-10-25 23:05:31,120 INFO L274 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-10-25 23:05:31,120 INFO L270 CegarLoopResult]: At program point L431(lines 426 433) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:31,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:31 BoogieIcfgContainer [2020-10-25 23:05:31,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:31,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:31,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:31,169 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:31,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:29" (3/4) ... [2020-10-25 23:05:31,173 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:31,204 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:31,205 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:31,206 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:31,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:31,208 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:31,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:31,211 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:31,242 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-25 23:05:31,243 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && pumpRunning == 0 [2020-10-25 23:05:31,243 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && pumpRunning == 0 [2020-10-25 23:05:31,243 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:31,244 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:31,245 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:31,247 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:31,247 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:31,250 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:31,256 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == systemActive && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:31,385 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:31,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:31,388 INFO L168 Benchmark]: Toolchain (without parser) took 4469.58 ms. Allocated memory was 41.9 MB in the beginning and 75.5 MB in the end (delta: 33.6 MB). Free memory was 24.1 MB in the beginning and 26.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 34.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:31,388 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 41.9 MB. Free memory was 24.6 MB in the beginning and 24.6 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:31,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.94 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 23.5 MB in the beginning and 30.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:31,389 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.11 ms. Allocated memory is still 52.4 MB. Free memory was 30.9 MB in the beginning and 27.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:31,390 INFO L168 Benchmark]: Boogie Preprocessor took 79.91 ms. Allocated memory is still 52.4 MB. Free memory was 27.1 MB in the beginning and 24.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:31,390 INFO L168 Benchmark]: RCFGBuilder took 1359.46 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 24.5 MB in the beginning and 29.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:31,394 INFO L168 Benchmark]: TraceAbstraction took 2089.06 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 28.9 MB in the beginning and 36.1 MB in the end (delta: -7.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:31,394 INFO L168 Benchmark]: Witness Printer took 216.89 ms. Allocated memory is still 75.5 MB. Free memory was 36.1 MB in the beginning and 26.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:31,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 41.9 MB. Free memory was 24.6 MB in the beginning and 24.6 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 617.94 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 23.5 MB in the beginning and 30.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.11 ms. Allocated memory is still 52.4 MB. Free memory was 30.9 MB in the beginning and 27.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.91 ms. Allocated memory is still 52.4 MB. Free memory was 27.1 MB in the beginning and 24.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1359.46 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 24.5 MB in the beginning and 29.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2089.06 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 28.9 MB in the beginning and 36.1 MB in the end (delta: -7.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. * Witness Printer took 216.89 ms. Allocated memory is still 75.5 MB. Free memory was 36.1 MB in the beginning and 26.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 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: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && pumpRunning == 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && pumpRunning == 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((((\result == systemActive && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 427 SDtfs, 509 SDslu, 365 SDs, 0 SdLazy, 67 SolverSat, 12 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=112occurred 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, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 78 NumberOfFragments, 202 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1404 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 134 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5825 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...