./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product22.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 3b80756aa2653c0961d1e6ee1b66ce4cd54e450f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:07:17,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:07:17,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:07:17,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:07:17,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:07:17,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:07:17,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:07:17,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:07:17,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:07:17,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:07:17,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:07:17,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:07:17,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:07:17,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:07:17,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:07:17,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:07:17,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:07:17,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:07:17,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:07:17,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:07:17,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:07:17,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:07:17,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:07:17,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:07:17,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:07:17,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:07:17,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:07:17,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:07:17,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:07:17,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:07:17,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:07:17,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:07:17,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:07:17,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:07:17,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:07:17,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:07:17,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:07:17,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:07:17,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:07:17,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:07:17,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:07:17,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:07:17,588 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:07:17,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:07:17,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:07:17,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:07:17,594 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:07:17,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:07:17,594 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:07:17,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:07:17,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:07:17,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:07:17,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:07:17,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:07:17,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:07:17,597 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:07:17,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:07:17,597 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:07:17,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:07:17,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:07:17,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:07:17,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:07:17,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:07:17,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:07:17,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:07:17,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:07:17,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:07:17,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:07:17,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:07:17,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:07:17,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:07:17,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b80756aa2653c0961d1e6ee1b66ce4cd54e450f [2020-10-25 23:07:18,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:07:18,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:07:18,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:07:18,102 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:07:18,103 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:07:18,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2020-10-25 23:07:18,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a13a20f08/6751a91c500e4eae93755097ca6054f2/FLAGb21dbf479 [2020-10-25 23:07:18,967 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:07:18,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2020-10-25 23:07:18,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a13a20f08/6751a91c500e4eae93755097ca6054f2/FLAGb21dbf479 [2020-10-25 23:07:19,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a13a20f08/6751a91c500e4eae93755097ca6054f2 [2020-10-25 23:07:19,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:07:19,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:07:19,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:07:19,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:07:19,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:07:19,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:07:19" (1/1) ... [2020-10-25 23:07:19,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a130a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:19, skipping insertion in model container [2020-10-25 23:07:19,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:07:19" (1/1) ... [2020-10-25 23:07:19,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:07:19,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:07:19,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:07:19,719 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:07:19,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:07:19,897 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:07:19,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:19 WrapperNode [2020-10-25 23:07:19,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:07:19,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:07:19,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:07:19,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:07:19,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:19" (1/1) ... [2020-10-25 23:07:19,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:19" (1/1) ... [2020-10-25 23:07:20,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:07:20,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:07:20,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:07:20,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:07:20,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:19" (1/1) ... [2020-10-25 23:07:20,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:19" (1/1) ... [2020-10-25 23:07:20,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:19" (1/1) ... [2020-10-25 23:07:20,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:19" (1/1) ... [2020-10-25 23:07:20,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:19" (1/1) ... [2020-10-25 23:07:20,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:19" (1/1) ... [2020-10-25 23:07:20,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:19" (1/1) ... [2020-10-25 23:07:20,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:07:20,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:07:20,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:07:20,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:07:20,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:07:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:07:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:07:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:07:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:07:21,231 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:07:21,232 INFO L298 CfgBuilder]: Removed 164 assume(true) statements. [2020-10-25 23:07:21,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:21 BoogieIcfgContainer [2020-10-25 23:07:21,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:07:21,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:07:21,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:07:21,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:07:21,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:07:19" (1/3) ... [2020-10-25 23:07:21,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7deaa12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:07:21, skipping insertion in model container [2020-10-25 23:07:21,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:19" (2/3) ... [2020-10-25 23:07:21,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7deaa12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:07:21, skipping insertion in model container [2020-10-25 23:07:21,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:21" (3/3) ... [2020-10-25 23:07:21,248 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2020-10-25 23:07:21,262 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:07:21,268 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:07:21,292 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:07:21,323 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:07:21,324 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:07:21,324 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:07:21,330 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:07:21,330 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:07:21,330 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:07:21,331 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:07:21,331 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:07:21,360 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-10-25 23:07:21,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:07:21,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:21,368 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:21,368 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:21,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:21,375 INFO L82 PathProgramCache]: Analyzing trace with hash -113250139, now seen corresponding path program 1 times [2020-10-25 23:07:21,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:21,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008775436] [2020-10-25 23:07:21,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:21,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:21,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008775436] [2020-10-25 23:07:21,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:21,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:07:21,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205719388] [2020-10-25 23:07:21,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:07:21,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:21,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:07:21,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:07:21,819 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-10-25 23:07:21,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:21,890 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-10-25 23:07:21,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:07:21,892 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:07:21,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:21,908 INFO L225 Difference]: With dead ends: 207 [2020-10-25 23:07:21,908 INFO L226 Difference]: Without dead ends: 101 [2020-10-25 23:07:21,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:07:21,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-25 23:07:21,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-25 23:07:21,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-25 23:07:22,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2020-10-25 23:07:22,010 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2020-10-25 23:07:22,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:22,011 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2020-10-25 23:07:22,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:07:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-10-25 23:07:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:07:22,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:22,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:22,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:07:22,017 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:22,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:22,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1160007036, now seen corresponding path program 1 times [2020-10-25 23:07:22,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:22,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311158278] [2020-10-25 23:07:22,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:22,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:22,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311158278] [2020-10-25 23:07:22,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:22,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:07:22,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330527242] [2020-10-25 23:07:22,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:07:22,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:22,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:07:22,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:07:22,127 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2020-10-25 23:07:22,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:22,146 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-10-25 23:07:22,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:07:22,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:07:22,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:22,148 INFO L225 Difference]: With dead ends: 101 [2020-10-25 23:07:22,149 INFO L226 Difference]: Without dead ends: 43 [2020-10-25 23:07:22,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:07:22,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-25 23:07:22,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-25 23:07:22,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-25 23:07:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2020-10-25 23:07:22,156 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2020-10-25 23:07:22,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:22,157 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2020-10-25 23:07:22,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:07:22,157 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-10-25 23:07:22,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:07:22,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:22,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:22,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:07:22,159 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:22,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:22,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2020-10-25 23:07:22,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:22,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182420822] [2020-10-25 23:07:22,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:22,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182420822] [2020-10-25 23:07:22,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:22,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:07:22,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538006249] [2020-10-25 23:07:22,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:22,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:22,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:22,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:22,317 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 5 states. [2020-10-25 23:07:22,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:22,371 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2020-10-25 23:07:22,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:07:22,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-25 23:07:22,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:22,373 INFO L225 Difference]: With dead ends: 80 [2020-10-25 23:07:22,373 INFO L226 Difference]: Without dead ends: 43 [2020-10-25 23:07:22,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:07:22,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-25 23:07:22,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-25 23:07:22,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-25 23:07:22,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-10-25 23:07:22,380 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2020-10-25 23:07:22,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:22,380 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-10-25 23:07:22,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:22,380 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-10-25 23:07:22,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:07:22,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:22,381 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 23:07:22,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:07:22,382 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:22,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:22,382 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2020-10-25 23:07:22,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:22,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281064921] [2020-10-25 23:07:22,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:22,463 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 23:07:22,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281064921] [2020-10-25 23:07:22,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:22,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:07:22,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898837515] [2020-10-25 23:07:22,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:22,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:22,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:22,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:22,467 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2020-10-25 23:07:22,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:22,577 INFO L93 Difference]: Finished difference Result 170 states and 251 transitions. [2020-10-25 23:07:22,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:07:22,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:07:22,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:22,579 INFO L225 Difference]: With dead ends: 170 [2020-10-25 23:07:22,580 INFO L226 Difference]: Without dead ends: 133 [2020-10-25 23:07:22,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:07:22,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-25 23:07:22,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 76. [2020-10-25 23:07:22,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-25 23:07:22,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2020-10-25 23:07:22,594 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 24 [2020-10-25 23:07:22,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:22,594 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2020-10-25 23:07:22,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:22,595 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2020-10-25 23:07:22,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:07:22,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:22,596 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 23:07:22,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:07:22,596 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:22,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:22,597 INFO L82 PathProgramCache]: Analyzing trace with hash -376429690, now seen corresponding path program 1 times [2020-10-25 23:07:22,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:22,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624070626] [2020-10-25 23:07:22,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:22,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:22,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624070626] [2020-10-25 23:07:22,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:22,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:07:22,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063336825] [2020-10-25 23:07:22,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:22,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:22,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:22,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:22,708 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2020-10-25 23:07:22,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:22,771 INFO L93 Difference]: Finished difference Result 148 states and 217 transitions. [2020-10-25 23:07:22,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:07:22,772 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-25 23:07:22,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:22,772 INFO L225 Difference]: With dead ends: 148 [2020-10-25 23:07:22,772 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:07:22,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:07:22,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:07:22,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:07:22,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:07:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:07:22,774 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-10-25 23:07:22,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:22,775 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:07:22,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:22,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:07:22,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:07:22,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:07:22,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:07:23,011 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:23,011 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:07:23,012 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:07:23,012 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:07:23,012 INFO L274 CegarLoopResult]: For program point L400(lines 400 406) no Hoare annotation was computed. [2020-10-25 23:07:23,012 INFO L270 CegarLoopResult]: At program point L400-1(lines 400 406) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-10-25 23:07:23,012 INFO L270 CegarLoopResult]: At program point L301(lines 296 304) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-10-25 23:07:23,013 INFO L270 CegarLoopResult]: At program point L301-1(lines 296 304) the Hoare annotation is: false [2020-10-25 23:07:23,013 INFO L270 CegarLoopResult]: At program point L301-2(lines 296 304) the Hoare annotation is: false [2020-10-25 23:07:23,013 INFO L270 CegarLoopResult]: At program point L171(lines 166 174) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:07:23,013 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-25 23:07:23,013 INFO L274 CegarLoopResult]: For program point L537-1(line 537) no Hoare annotation was computed. [2020-10-25 23:07:23,013 INFO L274 CegarLoopResult]: For program point L537-2(line 537) no Hoare annotation was computed. [2020-10-25 23:07:23,014 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:23,014 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-10-25 23:07:23,014 INFO L274 CegarLoopResult]: For program point L410(lines 410 423) no Hoare annotation was computed. [2020-10-25 23:07:23,014 INFO L274 CegarLoopResult]: For program point L248(lines 248 265) no Hoare annotation was computed. [2020-10-25 23:07:23,014 INFO L274 CegarLoopResult]: For program point L248-1(lines 248 265) no Hoare annotation was computed. [2020-10-25 23:07:23,014 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 265) no Hoare annotation was computed. [2020-10-25 23:07:23,014 INFO L274 CegarLoopResult]: For program point L381(lines 380 427) no Hoare annotation was computed. [2020-10-25 23:07:23,015 INFO L274 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-10-25 23:07:23,015 INFO L270 CegarLoopResult]: At program point L448-2(lines 448 462) the Hoare annotation is: false [2020-10-25 23:07:23,015 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-25 23:07:23,015 INFO L274 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2020-10-25 23:07:23,015 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:07:23,015 INFO L274 CegarLoopResult]: For program point L350-2(lines 350 354) no Hoare annotation was computed. [2020-10-25 23:07:23,015 INFO L274 CegarLoopResult]: For program point L350-3(lines 350 354) no Hoare annotation was computed. [2020-10-25 23:07:23,016 INFO L274 CegarLoopResult]: For program point L350-5(lines 350 354) no Hoare annotation was computed. [2020-10-25 23:07:23,016 INFO L274 CegarLoopResult]: For program point L350-6(lines 350 354) no Hoare annotation was computed. [2020-10-25 23:07:23,016 INFO L274 CegarLoopResult]: For program point L350-8(lines 350 354) no Hoare annotation was computed. [2020-10-25 23:07:23,016 INFO L274 CegarLoopResult]: For program point L350-9(lines 350 354) no Hoare annotation was computed. [2020-10-25 23:07:23,016 INFO L274 CegarLoopResult]: For program point L350-11(lines 350 354) no Hoare annotation was computed. [2020-10-25 23:07:23,016 INFO L274 CegarLoopResult]: For program point L350-12(lines 350 354) no Hoare annotation was computed. [2020-10-25 23:07:23,016 INFO L274 CegarLoopResult]: For program point L350-14(lines 350 354) no Hoare annotation was computed. [2020-10-25 23:07:23,017 INFO L274 CegarLoopResult]: For program point L350-15(lines 350 354) no Hoare annotation was computed. [2020-10-25 23:07:23,017 INFO L274 CegarLoopResult]: For program point L350-17(lines 350 354) no Hoare annotation was computed. [2020-10-25 23:07:23,017 INFO L274 CegarLoopResult]: For program point L252(lines 252 260) no Hoare annotation was computed. [2020-10-25 23:07:23,017 INFO L274 CegarLoopResult]: For program point L252-1(lines 252 260) no Hoare annotation was computed. [2020-10-25 23:07:23,017 INFO L274 CegarLoopResult]: For program point L252-2(lines 252 260) no Hoare annotation was computed. [2020-10-25 23:07:23,017 INFO L274 CegarLoopResult]: For program point L550(lines 550 563) no Hoare annotation was computed. [2020-10-25 23:07:23,018 INFO L270 CegarLoopResult]: At program point L550-1(lines 1 932) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-10-25 23:07:23,018 INFO L274 CegarLoopResult]: For program point L550-2(lines 550 563) no Hoare annotation was computed. [2020-10-25 23:07:23,018 INFO L270 CegarLoopResult]: At program point L550-3(lines 1 932) the Hoare annotation is: false [2020-10-25 23:07:23,018 INFO L274 CegarLoopResult]: For program point L418(lines 418 422) no Hoare annotation was computed. [2020-10-25 23:07:23,018 INFO L274 CegarLoopResult]: For program point L550-4(lines 550 563) no Hoare annotation was computed. [2020-10-25 23:07:23,018 INFO L270 CegarLoopResult]: At program point L550-5(lines 1 932) the Hoare annotation is: false [2020-10-25 23:07:23,018 INFO L270 CegarLoopResult]: At program point L418-2(lines 190 196) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-10-25 23:07:23,019 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-10-25 23:07:23,019 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-10-25 23:07:23,019 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-10-25 23:07:23,019 INFO L274 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-10-25 23:07:23,019 INFO L274 CegarLoopResult]: For program point L452-1(lines 190 196) no Hoare annotation was computed. [2020-10-25 23:07:23,019 INFO L274 CegarLoopResult]: For program point L519(lines 519 526) no Hoare annotation was computed. [2020-10-25 23:07:23,019 INFO L277 CegarLoopResult]: At program point L519-1(lines 519 526) the Hoare annotation is: true [2020-10-25 23:07:23,019 INFO L274 CegarLoopResult]: For program point L222(lines 222 239) no Hoare annotation was computed. [2020-10-25 23:07:23,020 INFO L274 CegarLoopResult]: For program point L222-1(lines 222 239) no Hoare annotation was computed. [2020-10-25 23:07:23,020 INFO L274 CegarLoopResult]: For program point L222-2(lines 222 239) no Hoare annotation was computed. [2020-10-25 23:07:23,020 INFO L274 CegarLoopResult]: For program point L222-3(lines 222 239) no Hoare annotation was computed. [2020-10-25 23:07:23,020 INFO L274 CegarLoopResult]: For program point L222-4(lines 222 239) no Hoare annotation was computed. [2020-10-25 23:07:23,020 INFO L274 CegarLoopResult]: For program point L222-5(lines 222 239) no Hoare annotation was computed. [2020-10-25 23:07:23,020 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:07:23,020 INFO L270 CegarLoopResult]: At program point L190(lines 189 208) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-10-25 23:07:23,021 INFO L274 CegarLoopResult]: For program point L190-1(lines 190 196) no Hoare annotation was computed. [2020-10-25 23:07:23,021 INFO L270 CegarLoopResult]: At program point L124(lines 119 127) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-10-25 23:07:23,021 INFO L270 CegarLoopResult]: At program point L190-2(lines 189 208) the Hoare annotation is: false [2020-10-25 23:07:23,021 INFO L270 CegarLoopResult]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2020-10-25 23:07:23,021 INFO L270 CegarLoopResult]: At program point L190-3(lines 189 208) the Hoare annotation is: false [2020-10-25 23:07:23,021 INFO L270 CegarLoopResult]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2020-10-25 23:07:23,022 INFO L274 CegarLoopResult]: For program point L554(lines 554 560) no Hoare annotation was computed. [2020-10-25 23:07:23,022 INFO L274 CegarLoopResult]: For program point L554-2(lines 554 560) no Hoare annotation was computed. [2020-10-25 23:07:23,022 INFO L274 CegarLoopResult]: For program point L554-4(lines 554 560) no Hoare annotation was computed. [2020-10-25 23:07:23,022 INFO L270 CegarLoopResult]: At program point L356(lines 341 359) the Hoare annotation is: false [2020-10-25 23:07:23,022 INFO L270 CegarLoopResult]: At program point L356-1(lines 341 359) the Hoare annotation is: false [2020-10-25 23:07:23,022 INFO L270 CegarLoopResult]: At program point L356-2(lines 341 359) the Hoare annotation is: false [2020-10-25 23:07:23,022 INFO L270 CegarLoopResult]: At program point L356-3(lines 341 359) the Hoare annotation is: false [2020-10-25 23:07:23,023 INFO L270 CegarLoopResult]: At program point L356-4(lines 341 359) the Hoare annotation is: false [2020-10-25 23:07:23,023 INFO L270 CegarLoopResult]: At program point L356-5(lines 341 359) the Hoare annotation is: false [2020-10-25 23:07:23,023 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: false [2020-10-25 23:07:23,023 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-10-25 23:07:23,023 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-10-25 23:07:23,023 INFO L274 CegarLoopResult]: For program point L390(lines 390 396) no Hoare annotation was computed. [2020-10-25 23:07:23,023 INFO L270 CegarLoopResult]: At program point L390-1(lines 390 396) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-10-25 23:07:23,024 INFO L270 CegarLoopResult]: At program point L292(lines 285 295) the Hoare annotation is: false [2020-10-25 23:07:23,024 INFO L270 CegarLoopResult]: At program point L292-1(lines 285 295) the Hoare annotation is: false [2020-10-25 23:07:23,024 INFO L274 CegarLoopResult]: For program point L226(lines 226 234) no Hoare annotation was computed. [2020-10-25 23:07:23,024 INFO L270 CegarLoopResult]: At program point L292-2(lines 285 295) the Hoare annotation is: false [2020-10-25 23:07:23,024 INFO L274 CegarLoopResult]: For program point L226-1(lines 226 234) no Hoare annotation was computed. [2020-10-25 23:07:23,024 INFO L274 CegarLoopResult]: For program point L226-2(lines 226 234) no Hoare annotation was computed. [2020-10-25 23:07:23,024 INFO L274 CegarLoopResult]: For program point L226-3(lines 226 234) no Hoare annotation was computed. [2020-10-25 23:07:23,025 INFO L274 CegarLoopResult]: For program point L226-4(lines 226 234) no Hoare annotation was computed. [2020-10-25 23:07:23,025 INFO L274 CegarLoopResult]: For program point L226-5(lines 226 234) no Hoare annotation was computed. [2020-10-25 23:07:23,025 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:07:23,025 INFO L270 CegarLoopResult]: At program point L163(lines 1 932) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-25 23:07:23,025 INFO L270 CegarLoopResult]: At program point L428(lines 379 429) the Hoare annotation is: false [2020-10-25 23:07:23,025 INFO L270 CegarLoopResult]: At program point L197(lines 197 203) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-10-25 23:07:23,026 INFO L270 CegarLoopResult]: At program point L197-1(lines 197 203) the Hoare annotation is: false [2020-10-25 23:07:23,026 INFO L270 CegarLoopResult]: At program point L197-2(lines 197 203) the Hoare annotation is: false [2020-10-25 23:07:23,026 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:07:23,026 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:23,026 INFO L277 CegarLoopResult]: At program point L528(lines 509 531) the Hoare annotation is: true [2020-10-25 23:07:23,026 INFO L270 CegarLoopResult]: At program point L496(lines 492 498) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-10-25 23:07:23,027 INFO L270 CegarLoopResult]: At program point L133(lines 128 136) the Hoare annotation is: false [2020-10-25 23:07:23,027 INFO L270 CegarLoopResult]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2020-10-25 23:07:23,027 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-10-25 23:07:23,027 INFO L270 CegarLoopResult]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-10-25 23:07:23,027 INFO L270 CegarLoopResult]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2020-10-25 23:07:23,027 INFO L270 CegarLoopResult]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2020-10-25 23:07:23,027 INFO L270 CegarLoopResult]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2020-10-25 23:07:23,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:07:23 BoogieIcfgContainer [2020-10-25 23:07:23,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:07:23,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:07:23,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:07:23,051 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:07:23,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:21" (3/4) ... [2020-10-25 23:07:23,059 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:07:23,077 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:07:23,078 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:07:23,079 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:07:23,080 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:07:23,081 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:07:23,082 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:07:23,083 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:07:23,112 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:07:23,112 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == 1 [2020-10-25 23:07:23,113 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 [2020-10-25 23:07:23,113 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 [2020-10-25 23:07:23,114 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 [2020-10-25 23:07:23,114 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 [2020-10-25 23:07:23,115 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 [2020-10-25 23:07:23,115 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 [2020-10-25 23:07:23,116 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 [2020-10-25 23:07:23,118 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 [2020-10-25 23:07:23,225 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:07:23,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:07:23,227 INFO L168 Benchmark]: Toolchain (without parser) took 3977.55 ms. Allocated memory was 39.8 MB in the beginning and 73.4 MB in the end (delta: 33.6 MB). Free memory was 16.3 MB in the beginning and 43.0 MB in the end (delta: -26.7 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:23,228 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 39.8 MB. Free memory was 21.6 MB in the beginning and 21.5 MB in the end (delta: 35.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:07:23,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.99 ms. Allocated memory is still 50.3 MB. Free memory was 35.1 MB in the beginning and 27.4 MB in the end (delta: 7.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:23,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.45 ms. Allocated memory is still 50.3 MB. Free memory was 27.2 MB in the beginning and 23.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:23,230 INFO L168 Benchmark]: Boogie Preprocessor took 105.15 ms. Allocated memory is still 50.3 MB. Free memory was 23.7 MB in the beginning and 21.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:23,230 INFO L168 Benchmark]: RCFGBuilder took 1121.77 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 21.2 MB in the beginning and 27.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:23,231 INFO L168 Benchmark]: TraceAbstraction took 1812.83 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 27.2 MB in the beginning and 25.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:23,231 INFO L168 Benchmark]: Witness Printer took 174.27 ms. Allocated memory is still 73.4 MB. Free memory was 25.2 MB in the beginning and 43.0 MB in the end (delta: -17.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:23,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 39.8 MB. Free memory was 21.6 MB in the beginning and 21.5 MB in the end (delta: 35.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 620.99 ms. Allocated memory is still 50.3 MB. Free memory was 35.1 MB in the beginning and 27.4 MB in the end (delta: 7.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.45 ms. Allocated memory is still 50.3 MB. Free memory was 27.2 MB in the beginning and 23.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.15 ms. Allocated memory is still 50.3 MB. Free memory was 23.7 MB in the beginning and 21.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1121.77 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 21.2 MB in the beginning and 27.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1812.83 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 27.2 MB in the beginning and 25.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * Witness Printer took 174.27 ms. Allocated memory is still 73.4 MB. Free memory was 25.2 MB in the beginning and 43.0 MB in the end (delta: -17.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 - 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: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 408 SDtfs, 504 SDslu, 270 SDs, 0 SdLazy, 69 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 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, 57 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 73 NumberOfFragments, 213 HoareAnnotationTreeSize, 43 FomulaSimplifications, 908 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4325 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...