./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_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_spec1_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 d8dfaf8ef68175aa3f4082d006a42419867490ad .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:04:24,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:04:24,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:04:24,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:04:24,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:04:24,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:04:24,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:04:24,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:04:24,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:04:24,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:04:24,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:04:24,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:04:24,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:04:24,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:04:24,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:04:24,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:04:24,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:04:24,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:04:24,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:04:24,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:04:24,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:04:24,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:04:24,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:04:24,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:04:24,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:04:24,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:04:24,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:04:24,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:04:24,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:04:24,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:04:24,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:04:24,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:04:24,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:04:24,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:04:24,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:04:24,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:04:24,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:04:24,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:04:24,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:04:24,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:04:24,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:04:24,981 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:04:25,007 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:04:25,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:04:25,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:04:25,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:04:25,010 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:04:25,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:04:25,011 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:04:25,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:04:25,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:04:25,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:04:25,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:04:25,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:04:25,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:04:25,013 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:04:25,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:04:25,014 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:04:25,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:04:25,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:04:25,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:04:25,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:04:25,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:04:25,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:04:25,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:04:25,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:04:25,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:04:25,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:04:25,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:04:25,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:04:25,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:04:25,018 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8dfaf8ef68175aa3f4082d006a42419867490ad [2020-10-25 23:04:25,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:04:25,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:04:25,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:04:25,430 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:04:25,431 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:04:25,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2020-10-25 23:04:25,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6874a1757/43a0409591a2485dbfa03224cc3372b4/FLAG5dfc2f0df [2020-10-25 23:04:26,298 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:04:26,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2020-10-25 23:04:26,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6874a1757/43a0409591a2485dbfa03224cc3372b4/FLAG5dfc2f0df [2020-10-25 23:04:26,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6874a1757/43a0409591a2485dbfa03224cc3372b4 [2020-10-25 23:04:26,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:04:26,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:04:26,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:26,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:04:26,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:04:26,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:26" (1/1) ... [2020-10-25 23:04:26,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a66e702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:26, skipping insertion in model container [2020-10-25 23:04:26,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:26" (1/1) ... [2020-10-25 23:04:26,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:04:26,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:04:26,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:26,988 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:04:27,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:27,175 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:04:27,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27 WrapperNode [2020-10-25 23:04:27,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:27,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:27,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:04:27,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:04:27,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:27,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:04:27,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:04:27,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:04:27,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:04:27,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:04:27,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:04:27,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:04:27,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (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 23:04:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:04:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:04:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:04:27,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:04:28,488 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:04:28,488 INFO L298 CfgBuilder]: Removed 162 assume(true) statements. [2020-10-25 23:04:28,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:28 BoogieIcfgContainer [2020-10-25 23:04:28,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:04:28,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:04:28,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:04:28,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:04:28,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:04:26" (1/3) ... [2020-10-25 23:04:28,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5894038b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:28, skipping insertion in model container [2020-10-25 23:04:28,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (2/3) ... [2020-10-25 23:04:28,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5894038b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:28, skipping insertion in model container [2020-10-25 23:04:28,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:28" (3/3) ... [2020-10-25 23:04:28,499 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2020-10-25 23:04:28,511 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:04:28,516 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:04:28,529 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:04:28,556 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:04:28,556 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:04:28,564 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:04:28,564 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:04:28,564 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:04:28,564 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:04:28,565 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:04:28,565 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:04:28,592 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-10-25 23:04:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:04:28,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:28,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:28,598 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:28,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:28,604 INFO L82 PathProgramCache]: Analyzing trace with hash -965693148, now seen corresponding path program 1 times [2020-10-25 23:04:28,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:28,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999658] [2020-10-25 23:04:28,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:28,936 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 23:04:28,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999658] [2020-10-25 23:04:28,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:28,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:04:28,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583115078] [2020-10-25 23:04:28,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:04:28,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:28,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:04:28,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:04:28,965 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-10-25 23:04:29,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:29,028 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-10-25 23:04:29,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:04:29,031 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:04:29,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:29,055 INFO L225 Difference]: With dead ends: 207 [2020-10-25 23:04:29,055 INFO L226 Difference]: Without dead ends: 101 [2020-10-25 23:04:29,073 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 23:04:29,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-25 23:04:29,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-25 23:04:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-25 23:04:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2020-10-25 23:04:29,148 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2020-10-25 23:04:29,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:29,149 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2020-10-25 23:04:29,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:04:29,150 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-10-25 23:04:29,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:04:29,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:29,154 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 23:04:29,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:04:29,155 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:29,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:29,157 INFO L82 PathProgramCache]: Analyzing trace with hash -2012450045, now seen corresponding path program 1 times [2020-10-25 23:04:29,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:29,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410225424] [2020-10-25 23:04:29,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:29,291 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 23:04:29,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410225424] [2020-10-25 23:04:29,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:29,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:04:29,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630886123] [2020-10-25 23:04:29,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:04:29,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:29,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:04:29,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:29,295 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2020-10-25 23:04:29,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:29,307 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-10-25 23:04:29,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:04:29,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:04:29,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:29,308 INFO L225 Difference]: With dead ends: 101 [2020-10-25 23:04:29,309 INFO L226 Difference]: Without dead ends: 43 [2020-10-25 23:04:29,310 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 23:04:29,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-25 23:04:29,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-25 23:04:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-25 23:04:29,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2020-10-25 23:04:29,320 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2020-10-25 23:04:29,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:29,320 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2020-10-25 23:04:29,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:04:29,321 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-10-25 23:04:29,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:04:29,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:29,324 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 23:04:29,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:04:29,325 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:29,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:29,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2020-10-25 23:04:29,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:29,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657169624] [2020-10-25 23:04:29,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:29,486 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 23:04:29,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657169624] [2020-10-25 23:04:29,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:29,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:04:29,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053454276] [2020-10-25 23:04:29,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:04:29,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:29,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:04:29,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:04:29,503 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 6 states. [2020-10-25 23:04:29,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:29,686 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2020-10-25 23:04:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:04:29,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-25 23:04:29,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:29,688 INFO L225 Difference]: With dead ends: 80 [2020-10-25 23:04:29,688 INFO L226 Difference]: Without dead ends: 43 [2020-10-25 23:04:29,689 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 23:04:29,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-25 23:04:29,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-25 23:04:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-25 23:04:29,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-10-25 23:04:29,695 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2020-10-25 23:04:29,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:29,696 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-10-25 23:04:29,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:04:29,696 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-10-25 23:04:29,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:04:29,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:29,698 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 23:04:29,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:04:29,698 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:29,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:29,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2020-10-25 23:04:29,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:29,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449758083] [2020-10-25 23:04:29,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:29,765 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 23:04:29,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449758083] [2020-10-25 23:04:29,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:29,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:29,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108778131] [2020-10-25 23:04:29,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:29,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:29,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:29,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:29,768 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2020-10-25 23:04:29,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:29,870 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2020-10-25 23:04:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:04:29,871 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:04:29,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:29,873 INFO L225 Difference]: With dead ends: 204 [2020-10-25 23:04:29,873 INFO L226 Difference]: Without dead ends: 167 [2020-10-25 23:04:29,874 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 23:04:29,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-25 23:04:29,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2020-10-25 23:04:29,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-25 23:04:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2020-10-25 23:04:29,889 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2020-10-25 23:04:29,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:29,889 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2020-10-25 23:04:29,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:29,890 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2020-10-25 23:04:29,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:04:29,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:29,893 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] [2020-10-25 23:04:29,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:04:29,893 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:29,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:29,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1795216542, now seen corresponding path program 1 times [2020-10-25 23:04:29,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:29,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329341820] [2020-10-25 23:04:29,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:29,959 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 23:04:29,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329341820] [2020-10-25 23:04:29,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:29,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:29,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197974769] [2020-10-25 23:04:29,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:29,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:29,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:29,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:29,962 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 5 states. [2020-10-25 23:04:30,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:30,019 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2020-10-25 23:04:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:04:30,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-25 23:04:30,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:30,020 INFO L225 Difference]: With dead ends: 174 [2020-10-25 23:04:30,020 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:04:30,021 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 23:04:30,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:04:30,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:04:30,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:04:30,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:04:30,022 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-10-25 23:04:30,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:30,022 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:04:30,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:30,023 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:04:30,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:04:30,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:04:30,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:04:30,320 INFO L270 CegarLoopResult]: At program point L927(lines 922 930) the Hoare annotation is: false [2020-10-25 23:04:30,320 INFO L270 CegarLoopResult]: At program point L927-1(lines 922 930) the Hoare annotation is: false [2020-10-25 23:04:30,320 INFO L274 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2020-10-25 23:04:30,321 INFO L270 CegarLoopResult]: At program point L927-2(lines 922 930) the Hoare annotation is: false [2020-10-25 23:04:30,321 INFO L270 CegarLoopResult]: At program point L927-3(lines 922 930) the Hoare annotation is: false [2020-10-25 23:04:30,321 INFO L270 CegarLoopResult]: At program point L927-4(lines 922 930) the Hoare annotation is: false [2020-10-25 23:04:30,321 INFO L270 CegarLoopResult]: At program point L927-5(lines 922 930) the Hoare annotation is: false [2020-10-25 23:04:30,321 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:30,321 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:04:30,322 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:04:30,322 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:04:30,322 INFO L274 CegarLoopResult]: For program point L400(lines 400 407) no Hoare annotation was computed. [2020-10-25 23:04:30,322 INFO L277 CegarLoopResult]: At program point L400-1(lines 400 407) the Hoare annotation is: true [2020-10-25 23:04:30,322 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:04:30,322 INFO L274 CegarLoopResult]: For program point L236-2(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:04:30,323 INFO L274 CegarLoopResult]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:04:30,323 INFO L274 CegarLoopResult]: For program point L236-5(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:04:30,323 INFO L274 CegarLoopResult]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:04:30,323 INFO L274 CegarLoopResult]: For program point L236-8(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:04:30,323 INFO L274 CegarLoopResult]: For program point L236-9(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:04:30,323 INFO L274 CegarLoopResult]: For program point L236-11(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:04:30,323 INFO L274 CegarLoopResult]: For program point L236-12(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:04:30,324 INFO L274 CegarLoopResult]: For program point L236-14(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:04:30,324 INFO L274 CegarLoopResult]: For program point L236-15(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:04:30,324 INFO L274 CegarLoopResult]: For program point L236-17(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:04:30,324 INFO L274 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2020-10-25 23:04:30,324 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 23:04:30,325 INFO L270 CegarLoopResult]: At program point L436(lines 1 939) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:04:30,325 INFO L270 CegarLoopResult]: At program point L306(lines 259 307) the Hoare annotation is: false [2020-10-25 23:04:30,325 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:30,325 INFO L270 CegarLoopResult]: At program point L374(lines 370 376) 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 23:04:30,325 INFO L270 CegarLoopResult]: At program point L242(lines 227 245) the Hoare annotation is: false [2020-10-25 23:04:30,326 INFO L270 CegarLoopResult]: At program point L242-1(lines 227 245) the Hoare annotation is: false [2020-10-25 23:04:30,326 INFO L270 CegarLoopResult]: At program point L242-2(lines 227 245) the Hoare annotation is: false [2020-10-25 23:04:30,326 INFO L270 CegarLoopResult]: At program point L242-3(lines 227 245) the Hoare annotation is: false [2020-10-25 23:04:30,326 INFO L270 CegarLoopResult]: At program point L242-4(lines 227 245) the Hoare annotation is: false [2020-10-25 23:04:30,326 INFO L270 CegarLoopResult]: At program point L242-5(lines 227 245) the Hoare annotation is: false [2020-10-25 23:04:30,327 INFO L274 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-10-25 23:04:30,327 INFO L274 CegarLoopResult]: For program point L936-1(line 936) no Hoare annotation was computed. [2020-10-25 23:04:30,327 INFO L274 CegarLoopResult]: For program point L936-2(line 936) no Hoare annotation was computed. [2020-10-25 23:04:30,327 INFO L277 CegarLoopResult]: At program point L409(lines 390 412) the Hoare annotation is: true [2020-10-25 23:04:30,327 INFO L270 CegarLoopResult]: At program point L178(lines 171 181) the Hoare annotation is: false [2020-10-25 23:04:30,327 INFO L270 CegarLoopResult]: At program point L178-1(lines 171 181) the Hoare annotation is: false [2020-10-25 23:04:30,327 INFO L270 CegarLoopResult]: At program point L178-2(lines 171 181) the Hoare annotation is: false [2020-10-25 23:04:30,328 INFO L274 CegarLoopResult]: For program point L873(lines 873 877) no Hoare annotation was computed. [2020-10-25 23:04:30,328 INFO L270 CegarLoopResult]: At program point L444(lines 439 447) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:04:30,328 INFO L274 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2020-10-25 23:04:30,328 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 23:04:30,328 INFO L274 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2020-10-25 23:04:30,329 INFO L274 CegarLoopResult]: For program point L117-1(lines 117 134) no Hoare annotation was computed. [2020-10-25 23:04:30,329 INFO L274 CegarLoopResult]: For program point L117-2(lines 117 134) no Hoare annotation was computed. [2020-10-25 23:04:30,329 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:04:30,329 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 23:04:30,329 INFO L270 CegarLoopResult]: At program point L187-1(lines 182 190) the Hoare annotation is: false [2020-10-25 23:04:30,329 INFO L274 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-10-25 23:04:30,329 INFO L270 CegarLoopResult]: At program point L187-2(lines 182 190) the Hoare annotation is: false [2020-10-25 23:04:30,330 INFO L274 CegarLoopResult]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2020-10-25 23:04:30,330 INFO L274 CegarLoopResult]: For program point L121-2(lines 121 129) no Hoare annotation was computed. [2020-10-25 23:04:30,330 INFO L274 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-10-25 23:04:30,330 INFO L274 CegarLoopResult]: For program point L849-3(lines 849 853) no Hoare annotation was computed. [2020-10-25 23:04:30,330 INFO L274 CegarLoopResult]: For program point L849-6(lines 849 853) no Hoare annotation was computed. [2020-10-25 23:04:30,330 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:04:30,330 INFO L274 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:04:30,331 INFO L274 CegarLoopResult]: For program point L91-1(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:04:30,331 INFO L274 CegarLoopResult]: For program point L91-2(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:04:30,331 INFO L274 CegarLoopResult]: For program point L91-3(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:04:30,331 INFO L274 CegarLoopResult]: For program point L91-4(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:04:30,331 INFO L274 CegarLoopResult]: For program point L91-5(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:04:30,331 INFO L274 CegarLoopResult]: For program point L290(lines 290 301) no Hoare annotation was computed. [2020-10-25 23:04:30,332 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 23:04:30,332 INFO L274 CegarLoopResult]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2020-10-25 23:04:30,332 INFO L270 CegarLoopResult]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2020-10-25 23:04:30,332 INFO L270 CegarLoopResult]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2020-10-25 23:04:30,332 INFO L270 CegarLoopResult]: At program point L886(lines 881 889) the Hoare annotation is: false [2020-10-25 23:04:30,332 INFO L270 CegarLoopResult]: At program point L886-1(lines 881 889) 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 23:04:30,333 INFO L270 CegarLoopResult]: At program point L886-2(lines 881 889) the Hoare annotation is: false [2020-10-25 23:04:30,333 INFO L270 CegarLoopResult]: At program point L886-3(lines 881 889) the Hoare annotation is: false [2020-10-25 23:04:30,333 INFO L270 CegarLoopResult]: At program point L886-4(lines 881 889) the Hoare annotation is: false [2020-10-25 23:04:30,333 INFO L270 CegarLoopResult]: At program point L886-5(lines 881 889) the Hoare annotation is: false [2020-10-25 23:04:30,333 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:04:30,333 INFO L274 CegarLoopResult]: For program point L458(lines 458 471) no Hoare annotation was computed. [2020-10-25 23:04:30,333 INFO L270 CegarLoopResult]: At program point L458-1(lines 1 939) 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 23:04:30,334 INFO L274 CegarLoopResult]: For program point L458-2(lines 458 471) no Hoare annotation was computed. [2020-10-25 23:04:30,334 INFO L270 CegarLoopResult]: At program point L458-3(lines 1 939) the Hoare annotation is: false [2020-10-25 23:04:30,334 INFO L274 CegarLoopResult]: For program point L458-4(lines 458 471) no Hoare annotation was computed. [2020-10-25 23:04:30,334 INFO L270 CegarLoopResult]: At program point L458-5(lines 1 939) the Hoare annotation is: false [2020-10-25 23:04:30,334 INFO L270 CegarLoopResult]: At program point L326-2(lines 326 340) the Hoare annotation is: false [2020-10-25 23:04:30,334 INFO L274 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:04:30,334 INFO L274 CegarLoopResult]: For program point L95-1(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:04:30,335 INFO L274 CegarLoopResult]: For program point L95-2(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:04:30,335 INFO L274 CegarLoopResult]: For program point L95-3(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:04:30,335 INFO L274 CegarLoopResult]: For program point L95-4(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:04:30,335 INFO L274 CegarLoopResult]: For program point L95-5(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:04:30,335 INFO L274 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-10-25 23:04:30,335 INFO L274 CegarLoopResult]: For program point L261(lines 260 305) no Hoare annotation was computed. [2020-10-25 23:04:30,335 INFO L274 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-10-25 23:04:30,336 INFO L274 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-10-25 23:04:30,336 INFO L274 CegarLoopResult]: For program point L296-2(lines 59 65) no Hoare annotation was computed. [2020-10-25 23:04:30,336 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:04:30,336 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:30,336 INFO L274 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2020-10-25 23:04:30,336 INFO L274 CegarLoopResult]: For program point L462-2(lines 462 468) no Hoare annotation was computed. [2020-10-25 23:04:30,337 INFO L274 CegarLoopResult]: For program point L330(lines 330 334) no Hoare annotation was computed. [2020-10-25 23:04:30,337 INFO L274 CegarLoopResult]: For program point L462-4(lines 462 468) no Hoare annotation was computed. [2020-10-25 23:04:30,337 INFO L274 CegarLoopResult]: For program point L330-1(lines 59 65) no Hoare annotation was computed. [2020-10-25 23:04:30,337 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 23:04:30,337 INFO L270 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2020-10-25 23:04:30,337 INFO L270 CegarLoopResult]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2020-10-25 23:04:30,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:04:30 BoogieIcfgContainer [2020-10-25 23:04:30,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:04:30,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:04:30,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:04:30,360 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:04:30,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:28" (3/4) ... [2020-10-25 23:04:30,364 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:04:30,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:04:30,385 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:04:30,386 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:04:30,387 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:04:30,388 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:04:30,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:04:30,390 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:04:30,419 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-25 23:04:30,420 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && pumpRunning == 0 [2020-10-25 23:04:30,420 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:04:30,421 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:04:30,421 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:04:30,422 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:04:30,422 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:04:30,424 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:04:30,426 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 23:04:30,523 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:04:30,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:04:30,526 INFO L168 Benchmark]: Toolchain (without parser) took 3964.51 ms. Allocated memory was 48.2 MB in the beginning and 86.0 MB in the end (delta: 37.7 MB). Free memory was 24.3 MB in the beginning and 50.2 MB in the end (delta: -25.9 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:30,526 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 39.8 MB. Free memory was 17.9 MB in the beginning and 17.9 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:04:30,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.66 ms. Allocated memory is still 48.2 MB. Free memory was 23.8 MB in the beginning and 25.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:30,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.39 ms. Allocated memory is still 48.2 MB. Free memory was 25.0 MB in the beginning and 21.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:30,528 INFO L168 Benchmark]: Boogie Preprocessor took 50.87 ms. Allocated memory is still 48.2 MB. Free memory was 21.5 MB in the beginning and 30.6 MB in the end (delta: -9.1 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:30,528 INFO L168 Benchmark]: RCFGBuilder took 1187.43 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 30.6 MB in the beginning and 26.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:30,529 INFO L168 Benchmark]: TraceAbstraction took 1867.56 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 26.6 MB in the beginning and 60.1 MB in the end (delta: -33.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:30,529 INFO L168 Benchmark]: Witness Printer took 163.77 ms. Allocated memory is still 86.0 MB. Free memory was 60.1 MB in the beginning and 50.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:30,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 39.8 MB. Free memory was 17.9 MB in the beginning and 17.9 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 601.66 ms. Allocated memory is still 48.2 MB. Free memory was 23.8 MB in the beginning and 25.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.39 ms. Allocated memory is still 48.2 MB. Free memory was 25.0 MB in the beginning and 21.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.87 ms. Allocated memory is still 48.2 MB. Free memory was 21.5 MB in the beginning and 30.6 MB in the end (delta: -9.1 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1187.43 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 30.6 MB in the beginning and 26.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1867.56 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 26.6 MB in the beginning and 60.1 MB in the end (delta: -33.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * Witness Printer took 163.77 ms. Allocated memory is still 86.0 MB. Free memory was 60.1 MB in the beginning and 50.2 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: 390]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && pumpRunning == 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: 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: 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: 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: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && tmp == systemActive) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: 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: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: 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: 881]: 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: 1]: 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, 108 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 410 SDtfs, 519 SDslu, 334 SDs, 0 SdLazy, 63 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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, 42 LocationsWithAnnotation, 42 PreInvPairs, 77 NumberOfFragments, 186 HoareAnnotationTreeSize, 42 FomulaSimplifications, 1471 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 67 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4976 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...