./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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_spec5_product45.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 5b0a896c9198d491033cf1280f2bac63e7cf65be ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:45:07,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:45:07,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:45:07,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:45:07,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:45:07,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:45:07,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:45:07,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:45:07,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:45:07,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:45:07,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:45:07,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:45:07,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:45:07,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:45:07,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:45:07,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:45:07,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:45:07,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:45:07,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:45:07,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:45:07,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:45:07,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:45:07,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:45:07,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:45:07,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:45:07,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:45:07,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:45:07,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:45:07,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:45:07,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:45:07,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:45:07,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:45:07,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:45:07,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:45:07,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:45:07,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:45:07,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:45:07,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:45:07,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:45:07,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:45:07,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:45:07,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:45:07,242 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:45:07,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:45:07,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:45:07,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:45:07,244 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:45:07,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:45:07,245 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:45:07,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:45:07,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:45:07,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:45:07,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:45:07,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:45:07,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:45:07,246 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:45:07,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:45:07,247 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:45:07,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:45:07,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:45:07,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:45:07,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:45:07,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:45:07,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:07,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:45:07,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:45:07,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:45:07,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:45:07,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:45:07,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:45:07,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:45:07,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 5b0a896c9198d491033cf1280f2bac63e7cf65be [2020-10-20 01:45:07,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:45:07,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:45:07,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:45:07,502 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:45:07,503 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:45:07,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c [2020-10-20 01:45:07,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0705e35cc/addb85206ebe4edab8103561cd1cce9a/FLAG1e9554562 [2020-10-20 01:45:08,219 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:45:08,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c [2020-10-20 01:45:08,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0705e35cc/addb85206ebe4edab8103561cd1cce9a/FLAG1e9554562 [2020-10-20 01:45:08,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0705e35cc/addb85206ebe4edab8103561cd1cce9a [2020-10-20 01:45:08,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:45:08,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:45:08,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:08,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:45:08,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:45:08,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:08" (1/1) ... [2020-10-20 01:45:08,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0ba9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:08, skipping insertion in model container [2020-10-20 01:45:08,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:08" (1/1) ... [2020-10-20 01:45:08,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:45:08,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:45:08,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:09,013 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:45:09,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:09,138 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:45:09,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09 WrapperNode [2020-10-20 01:45:09,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:09,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:09,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:45:09,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:45:09,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:09,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:45:09,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:45:09,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:45:09,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:45:09,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:45:09,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:45:09,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:45:09,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (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 [2020-10-20 01:45:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:45:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:45:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:45:09,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:45:10,291 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:45:10,291 INFO L298 CfgBuilder]: Removed 212 assume(true) statements. [2020-10-20 01:45:10,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:10 BoogieIcfgContainer [2020-10-20 01:45:10,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:45:10,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:45:10,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:45:10,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:45:10,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:45:08" (1/3) ... [2020-10-20 01:45:10,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2b5093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:10, skipping insertion in model container [2020-10-20 01:45:10,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (2/3) ... [2020-10-20 01:45:10,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2b5093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:10, skipping insertion in model container [2020-10-20 01:45:10,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:10" (3/3) ... [2020-10-20 01:45:10,302 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2020-10-20 01:45:10,314 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:45:10,321 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:45:10,336 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:45:10,360 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:45:10,360 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:45:10,360 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:45:10,360 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:45:10,360 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:45:10,361 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:45:10,361 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:45:10,361 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:45:10,381 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-10-20 01:45:10,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:45:10,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:10,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:10,389 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:10,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:10,396 INFO L82 PathProgramCache]: Analyzing trace with hash -976319215, now seen corresponding path program 1 times [2020-10-20 01:45:10,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:10,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271562386] [2020-10-20 01:45:10,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:10,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271562386] [2020-10-20 01:45:10,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:10,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:10,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677306275] [2020-10-20 01:45:10,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:45:10,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:45:10,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:10,679 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2020-10-20 01:45:10,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,718 INFO L93 Difference]: Finished difference Result 272 states and 403 transitions. [2020-10-20 01:45:10,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:45:10,720 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-20 01:45:10,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,733 INFO L225 Difference]: With dead ends: 272 [2020-10-20 01:45:10,734 INFO L226 Difference]: Without dead ends: 134 [2020-10-20 01:45:10,738 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 [2020-10-20 01:45:10,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-20 01:45:10,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-10-20 01:45:10,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-20 01:45:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2020-10-20 01:45:10,800 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 192 transitions. Word has length 19 [2020-10-20 01:45:10,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:10,800 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 192 transitions. [2020-10-20 01:45:10,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:45:10,800 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2020-10-20 01:45:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 01:45:10,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:10,802 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] [2020-10-20 01:45:10,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:45:10,802 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:10,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:10,803 INFO L82 PathProgramCache]: Analyzing trace with hash 829700338, now seen corresponding path program 1 times [2020-10-20 01:45:10,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:10,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823758012] [2020-10-20 01:45:10,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:10,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823758012] [2020-10-20 01:45:10,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:10,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:10,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471390825] [2020-10-20 01:45:10,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:10,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:10,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:10,950 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. Second operand 3 states. [2020-10-20 01:45:10,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,978 INFO L93 Difference]: Finished difference Result 134 states and 192 transitions. [2020-10-20 01:45:10,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:10,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 01:45:10,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,985 INFO L225 Difference]: With dead ends: 134 [2020-10-20 01:45:10,985 INFO L226 Difference]: Without dead ends: 55 [2020-10-20 01:45:10,987 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 [2020-10-20 01:45:10,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-20 01:45:10,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-20 01:45:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-20 01:45:10,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-10-20 01:45:11,000 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 20 [2020-10-20 01:45:11,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:11,000 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-10-20 01:45:11,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:11,000 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-10-20 01:45:11,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:45:11,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:11,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:11,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:45:11,005 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:11,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:11,006 INFO L82 PathProgramCache]: Analyzing trace with hash 401446808, now seen corresponding path program 1 times [2020-10-20 01:45:11,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:11,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186590495] [2020-10-20 01:45:11,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:11,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186590495] [2020-10-20 01:45:11,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:11,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:11,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709030808] [2020-10-20 01:45:11,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:45:11,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:11,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:45:11,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:45:11,230 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 6 states. [2020-10-20 01:45:11,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:11,477 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2020-10-20 01:45:11,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:45:11,478 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-10-20 01:45:11,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:11,479 INFO L225 Difference]: With dead ends: 103 [2020-10-20 01:45:11,479 INFO L226 Difference]: Without dead ends: 55 [2020-10-20 01:45:11,480 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 [2020-10-20 01:45:11,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-20 01:45:11,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-20 01:45:11,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-20 01:45:11,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2020-10-20 01:45:11,500 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 26 [2020-10-20 01:45:11,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:11,500 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2020-10-20 01:45:11,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:45:11,500 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2020-10-20 01:45:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 01:45:11,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:11,501 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:11,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:45:11,502 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:11,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:11,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1016692102, now seen corresponding path program 1 times [2020-10-20 01:45:11,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:11,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9379502] [2020-10-20 01:45:11,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:11,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9379502] [2020-10-20 01:45:11,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:11,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:11,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328350032] [2020-10-20 01:45:11,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:11,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:11,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:11,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:11,574 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 3 states. [2020-10-20 01:45:11,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:11,614 INFO L93 Difference]: Finished difference Result 127 states and 181 transitions. [2020-10-20 01:45:11,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:11,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-10-20 01:45:11,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:11,616 INFO L225 Difference]: With dead ends: 127 [2020-10-20 01:45:11,616 INFO L226 Difference]: Without dead ends: 79 [2020-10-20 01:45:11,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:11,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-20 01:45:11,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2020-10-20 01:45:11,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-20 01:45:11,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2020-10-20 01:45:11,627 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 28 [2020-10-20 01:45:11,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:11,627 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2020-10-20 01:45:11,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:11,627 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2020-10-20 01:45:11,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:11,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:11,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:11,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:45:11,629 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:11,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:11,629 INFO L82 PathProgramCache]: Analyzing trace with hash -836140634, now seen corresponding path program 1 times [2020-10-20 01:45:11,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:11,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633427507] [2020-10-20 01:45:11,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:11,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633427507] [2020-10-20 01:45:11,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:11,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:11,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003550149] [2020-10-20 01:45:11,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:11,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:11,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:11,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:11,754 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2020-10-20 01:45:11,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:11,872 INFO L93 Difference]: Finished difference Result 260 states and 366 transitions. [2020-10-20 01:45:11,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:11,873 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:45:11,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:11,875 INFO L225 Difference]: With dead ends: 260 [2020-10-20 01:45:11,875 INFO L226 Difference]: Without dead ends: 190 [2020-10-20 01:45:11,876 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 [2020-10-20 01:45:11,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-10-20 01:45:11,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2020-10-20 01:45:11,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-20 01:45:11,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2020-10-20 01:45:11,889 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 34 [2020-10-20 01:45:11,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:11,889 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2020-10-20 01:45:11,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:11,890 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2020-10-20 01:45:11,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:45:11,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:11,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:11,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:45:11,892 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:11,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:11,892 INFO L82 PathProgramCache]: Analyzing trace with hash 2819926, now seen corresponding path program 1 times [2020-10-20 01:45:11,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:11,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944250064] [2020-10-20 01:45:11,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:11,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944250064] [2020-10-20 01:45:11,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:11,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:11,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511356392] [2020-10-20 01:45:11,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:11,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:11,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:11,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:11,970 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand 5 states. [2020-10-20 01:45:12,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:12,040 INFO L93 Difference]: Finished difference Result 194 states and 266 transitions. [2020-10-20 01:45:12,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:12,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-10-20 01:45:12,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:12,044 INFO L225 Difference]: With dead ends: 194 [2020-10-20 01:45:12,045 INFO L226 Difference]: Without dead ends: 125 [2020-10-20 01:45:12,045 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 [2020-10-20 01:45:12,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-20 01:45:12,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 82. [2020-10-20 01:45:12,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-20 01:45:12,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2020-10-20 01:45:12,055 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 37 [2020-10-20 01:45:12,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:12,056 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2020-10-20 01:45:12,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:12,056 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2020-10-20 01:45:12,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:45:12,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:12,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:12,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:45:12,058 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:12,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:12,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1008297324, now seen corresponding path program 1 times [2020-10-20 01:45:12,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:12,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050183504] [2020-10-20 01:45:12,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:12,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:12,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050183504] [2020-10-20 01:45:12,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:12,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:12,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270606429] [2020-10-20 01:45:12,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:45:12,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:12,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:45:12,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:45:12,148 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 4 states. [2020-10-20 01:45:12,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:12,197 INFO L93 Difference]: Finished difference Result 189 states and 254 transitions. [2020-10-20 01:45:12,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:45:12,198 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-10-20 01:45:12,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:12,199 INFO L225 Difference]: With dead ends: 189 [2020-10-20 01:45:12,199 INFO L226 Difference]: Without dead ends: 114 [2020-10-20 01:45:12,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:12,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-20 01:45:12,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 86. [2020-10-20 01:45:12,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-20 01:45:12,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2020-10-20 01:45:12,212 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 37 [2020-10-20 01:45:12,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:12,212 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2020-10-20 01:45:12,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:45:12,213 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2020-10-20 01:45:12,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:45:12,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:12,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:12,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:45:12,215 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:12,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:12,215 INFO L82 PathProgramCache]: Analyzing trace with hash -2029365678, now seen corresponding path program 1 times [2020-10-20 01:45:12,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:12,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056108049] [2020-10-20 01:45:12,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:12,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056108049] [2020-10-20 01:45:12,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:12,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:12,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017804920] [2020-10-20 01:45:12,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:12,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:12,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:12,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:12,259 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand 3 states. [2020-10-20 01:45:12,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:12,300 INFO L93 Difference]: Finished difference Result 193 states and 257 transitions. [2020-10-20 01:45:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:12,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-10-20 01:45:12,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:12,302 INFO L225 Difference]: With dead ends: 193 [2020-10-20 01:45:12,302 INFO L226 Difference]: Without dead ends: 114 [2020-10-20 01:45:12,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:12,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-20 01:45:12,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-10-20 01:45:12,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-20 01:45:12,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2020-10-20 01:45:12,314 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 37 [2020-10-20 01:45:12,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:12,315 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2020-10-20 01:45:12,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2020-10-20 01:45:12,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-20 01:45:12,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:12,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:12,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:45:12,317 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:12,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:12,318 INFO L82 PathProgramCache]: Analyzing trace with hash -493567726, now seen corresponding path program 1 times [2020-10-20 01:45:12,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:12,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693417663] [2020-10-20 01:45:12,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:12,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:12,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693417663] [2020-10-20 01:45:12,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:12,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:45:12,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060456170] [2020-10-20 01:45:12,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:45:12,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:12,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:45:12,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:12,421 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand 7 states. [2020-10-20 01:45:12,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:12,803 INFO L93 Difference]: Finished difference Result 533 states and 713 transitions. [2020-10-20 01:45:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:45:12,804 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-10-20 01:45:12,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:12,807 INFO L225 Difference]: With dead ends: 533 [2020-10-20 01:45:12,807 INFO L226 Difference]: Without dead ends: 454 [2020-10-20 01:45:12,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:45:12,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-10-20 01:45:12,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 192. [2020-10-20 01:45:12,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-10-20 01:45:12,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 249 transitions. [2020-10-20 01:45:12,841 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 249 transitions. Word has length 38 [2020-10-20 01:45:12,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:12,842 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 249 transitions. [2020-10-20 01:45:12,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:45:12,842 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 249 transitions. [2020-10-20 01:45:12,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-20 01:45:12,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:12,844 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:12,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:45:12,845 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:12,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:12,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1818230438, now seen corresponding path program 1 times [2020-10-20 01:45:12,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:12,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646903612] [2020-10-20 01:45:12,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:12,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646903612] [2020-10-20 01:45:12,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295162193] [2020-10-20 01:45:12,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:45:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:13,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:45:13,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:45:13,182 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:13,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:45:13,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-20 01:45:13,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115638638] [2020-10-20 01:45:13,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-20 01:45:13,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:13,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-20 01:45:13,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:45:13,185 INFO L87 Difference]: Start difference. First operand 192 states and 249 transitions. Second operand 10 states. [2020-10-20 01:45:13,654 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-10-20 01:45:13,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:13,763 INFO L93 Difference]: Finished difference Result 435 states and 582 transitions. [2020-10-20 01:45:13,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:13,764 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-10-20 01:45:13,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:13,770 INFO L225 Difference]: With dead ends: 435 [2020-10-20 01:45:13,770 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:45:13,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-10-20 01:45:13,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:45:13,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:45:13,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:45:13,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:45:13,772 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-10-20 01:45:13,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:13,772 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:45:13,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-20 01:45:13,773 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:45:13,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:45:13,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 01:45:13,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:45:14,570 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-10-20 01:45:14,811 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2020-10-20 01:45:15,116 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-10-20 01:45:15,266 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 23 [2020-10-20 01:45:15,479 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2020-10-20 01:45:15,679 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2020-10-20 01:45:15,839 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2020-10-20 01:45:15,993 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2020-10-20 01:45:16,135 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-10-20 01:45:16,241 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2020-10-20 01:45:16,376 INFO L270 CegarLoopResult]: At program point L861(lines 1 969) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:16,377 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:16,377 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:45:16,377 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:45:16,377 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:45:16,377 INFO L270 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: false [2020-10-20 01:45:16,377 INFO L270 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:45:16,377 INFO L270 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-10-20 01:45:16,378 INFO L270 CegarLoopResult]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2020-10-20 01:45:16,378 INFO L270 CegarLoopResult]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2020-10-20 01:45:16,378 INFO L270 CegarLoopResult]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2020-10-20 01:45:16,378 INFO L270 CegarLoopResult]: At program point L765(lines 750 768) the Hoare annotation is: false [2020-10-20 01:45:16,379 INFO L270 CegarLoopResult]: At program point L765-1(lines 750 768) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:45:16,379 INFO L270 CegarLoopResult]: At program point L765-2(lines 750 768) the Hoare annotation is: false [2020-10-20 01:45:16,380 INFO L270 CegarLoopResult]: At program point L765-3(lines 750 768) the Hoare annotation is: false [2020-10-20 01:45:16,381 INFO L270 CegarLoopResult]: At program point L765-4(lines 750 768) the Hoare annotation is: false [2020-10-20 01:45:16,381 INFO L270 CegarLoopResult]: At program point L765-5(lines 750 768) the Hoare annotation is: false [2020-10-20 01:45:16,381 INFO L270 CegarLoopResult]: At program point L535(lines 582 588) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-10-20 01:45:16,383 INFO L270 CegarLoopResult]: At program point L535-1(lines 582 588) the Hoare annotation is: false [2020-10-20 01:45:16,384 INFO L270 CegarLoopResult]: At program point L535-2(lines 582 588) the Hoare annotation is: false [2020-10-20 01:45:16,384 INFO L270 CegarLoopResult]: At program point L701(lines 694 704) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:16,384 INFO L270 CegarLoopResult]: At program point L701-1(lines 694 704) the Hoare annotation is: false [2020-10-20 01:45:16,384 INFO L270 CegarLoopResult]: At program point L701-2(lines 694 704) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:16,384 INFO L270 CegarLoopResult]: At program point L701-3(lines 694 704) the Hoare annotation is: false [2020-10-20 01:45:16,385 INFO L270 CegarLoopResult]: At program point L701-4(lines 694 704) the Hoare annotation is: false [2020-10-20 01:45:16,385 INFO L270 CegarLoopResult]: At program point L701-5(lines 694 704) the Hoare annotation is: false [2020-10-20 01:45:16,385 INFO L270 CegarLoopResult]: At program point L701-6(lines 694 704) the Hoare annotation is: false [2020-10-20 01:45:16,385 INFO L270 CegarLoopResult]: At program point L701-7(lines 694 704) the Hoare annotation is: false [2020-10-20 01:45:16,387 INFO L270 CegarLoopResult]: At program point L701-8(lines 694 704) the Hoare annotation is: false [2020-10-20 01:45:16,387 INFO L277 CegarLoopResult]: At program point L966(lines 947 969) the Hoare annotation is: true [2020-10-20 01:45:16,388 INFO L270 CegarLoopResult]: At program point L933(lines 929 935) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:16,388 INFO L274 CegarLoopResult]: For program point L801(lines 801 807) no Hoare annotation was computed. [2020-10-20 01:45:16,388 INFO L270 CegarLoopResult]: At program point L801-1(lines 801 807) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-10-20 01:45:16,388 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:16,389 INFO L270 CegarLoopResult]: At program point L869(lines 864 872) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:16,389 INFO L274 CegarLoopResult]: For program point L640(lines 640 657) no Hoare annotation was computed. [2020-10-20 01:45:16,389 INFO L274 CegarLoopResult]: For program point L640-1(lines 640 657) no Hoare annotation was computed. [2020-10-20 01:45:16,390 INFO L274 CegarLoopResult]: For program point L640-2(lines 640 657) no Hoare annotation was computed. [2020-10-20 01:45:16,390 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-10-20 01:45:16,390 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-20 01:45:16,390 INFO L274 CegarLoopResult]: For program point L147-1(line 147) no Hoare annotation was computed. [2020-10-20 01:45:16,390 INFO L274 CegarLoopResult]: For program point L147-2(line 147) no Hoare annotation was computed. [2020-10-20 01:45:16,390 INFO L274 CegarLoopResult]: For program point L676(lines 676 682) no Hoare annotation was computed. [2020-10-20 01:45:16,391 INFO L274 CegarLoopResult]: For program point L676-2(lines 676 682) no Hoare annotation was computed. [2020-10-20 01:45:16,391 INFO L274 CegarLoopResult]: For program point L676-4(lines 676 682) no Hoare annotation was computed. [2020-10-20 01:45:16,391 INFO L274 CegarLoopResult]: For program point L676-6(lines 676 682) no Hoare annotation was computed. [2020-10-20 01:45:16,391 INFO L274 CegarLoopResult]: For program point L676-8(lines 676 682) no Hoare annotation was computed. [2020-10-20 01:45:16,391 INFO L274 CegarLoopResult]: For program point L676-10(lines 676 682) no Hoare annotation was computed. [2020-10-20 01:45:16,392 INFO L270 CegarLoopResult]: At program point L710(lines 705 713) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (and .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse4 .cse5 .cse6))) [2020-10-20 01:45:16,392 INFO L270 CegarLoopResult]: At program point L710-1(lines 705 713) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-10-20 01:45:16,392 INFO L274 CegarLoopResult]: For program point L644(lines 644 652) no Hoare annotation was computed. [2020-10-20 01:45:16,392 INFO L270 CegarLoopResult]: At program point L710-2(lines 705 713) the Hoare annotation is: false [2020-10-20 01:45:16,393 INFO L274 CegarLoopResult]: For program point L644-1(lines 644 652) no Hoare annotation was computed. [2020-10-20 01:45:16,393 INFO L270 CegarLoopResult]: At program point L710-3(lines 705 713) the Hoare annotation is: false [2020-10-20 01:45:16,393 INFO L270 CegarLoopResult]: At program point L710-4(lines 705 713) the Hoare annotation is: false [2020-10-20 01:45:16,393 INFO L274 CegarLoopResult]: For program point L644-2(lines 644 652) no Hoare annotation was computed. [2020-10-20 01:45:16,393 INFO L270 CegarLoopResult]: At program point L710-5(lines 705 713) the Hoare annotation is: false [2020-10-20 01:45:16,393 INFO L274 CegarLoopResult]: For program point L546(lines 546 563) no Hoare annotation was computed. [2020-10-20 01:45:16,394 INFO L270 CegarLoopResult]: At program point L546-1(lines 1 969) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~3 2) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~3) .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse1 .cse5 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-10-20 01:45:16,394 INFO L274 CegarLoopResult]: For program point L546-2(lines 546 563) no Hoare annotation was computed. [2020-10-20 01:45:16,394 INFO L270 CegarLoopResult]: At program point L546-3(lines 1 969) the Hoare annotation is: false [2020-10-20 01:45:16,394 INFO L274 CegarLoopResult]: For program point L546-4(lines 546 563) no Hoare annotation was computed. [2020-10-20 01:45:16,394 INFO L270 CegarLoopResult]: At program point L546-5(lines 1 969) the Hoare annotation is: false [2020-10-20 01:45:16,395 INFO L274 CegarLoopResult]: For program point L811(lines 811 822) no Hoare annotation was computed. [2020-10-20 01:45:16,395 INFO L274 CegarLoopResult]: For program point L614(lines 614 631) no Hoare annotation was computed. [2020-10-20 01:45:16,395 INFO L274 CegarLoopResult]: For program point L614-1(lines 614 631) no Hoare annotation was computed. [2020-10-20 01:45:16,395 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 631) no Hoare annotation was computed. [2020-10-20 01:45:16,395 INFO L274 CegarLoopResult]: For program point L614-3(lines 614 631) no Hoare annotation was computed. [2020-10-20 01:45:16,395 INFO L274 CegarLoopResult]: For program point L614-4(lines 614 631) no Hoare annotation was computed. [2020-10-20 01:45:16,396 INFO L274 CegarLoopResult]: For program point L614-5(lines 614 631) no Hoare annotation was computed. [2020-10-20 01:45:16,396 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:45:16,396 INFO L270 CegarLoopResult]: At program point L582(lines 578 600) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-10-20 01:45:16,396 INFO L270 CegarLoopResult]: At program point L582-1(lines 578 600) the Hoare annotation is: false [2020-10-20 01:45:16,397 INFO L270 CegarLoopResult]: At program point L582-2(lines 578 600) the Hoare annotation is: false [2020-10-20 01:45:16,397 INFO L274 CegarLoopResult]: For program point L550(lines 550 560) no Hoare annotation was computed. [2020-10-20 01:45:16,397 INFO L274 CegarLoopResult]: For program point L550-2(lines 550 560) no Hoare annotation was computed. [2020-10-20 01:45:16,397 INFO L274 CegarLoopResult]: For program point L550-4(lines 550 560) no Hoare annotation was computed. [2020-10-20 01:45:16,397 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:45:16,398 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:45:16,398 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:45:16,399 INFO L274 CegarLoopResult]: For program point L782(lines 781 826) no Hoare annotation was computed. [2020-10-20 01:45:16,399 INFO L274 CegarLoopResult]: For program point L551(lines 551 557) no Hoare annotation was computed. [2020-10-20 01:45:16,399 INFO L274 CegarLoopResult]: For program point L551-2(lines 551 557) no Hoare annotation was computed. [2020-10-20 01:45:16,400 INFO L274 CegarLoopResult]: For program point L551-4(lines 551 557) no Hoare annotation was computed. [2020-10-20 01:45:16,400 INFO L274 CegarLoopResult]: For program point L783(lines 783 787) no Hoare annotation was computed. [2020-10-20 01:45:16,400 INFO L274 CegarLoopResult]: For program point L618(lines 618 626) no Hoare annotation was computed. [2020-10-20 01:45:16,401 INFO L274 CegarLoopResult]: For program point L618-1(lines 618 626) no Hoare annotation was computed. [2020-10-20 01:45:16,401 INFO L274 CegarLoopResult]: For program point L618-2(lines 618 626) no Hoare annotation was computed. [2020-10-20 01:45:16,401 INFO L274 CegarLoopResult]: For program point L618-3(lines 618 626) no Hoare annotation was computed. [2020-10-20 01:45:16,401 INFO L274 CegarLoopResult]: For program point L618-4(lines 618 626) no Hoare annotation was computed. [2020-10-20 01:45:16,402 INFO L274 CegarLoopResult]: For program point L618-5(lines 618 626) no Hoare annotation was computed. [2020-10-20 01:45:16,403 INFO L274 CegarLoopResult]: For program point L817(lines 817 821) no Hoare annotation was computed. [2020-10-20 01:45:16,403 INFO L274 CegarLoopResult]: For program point L817-2(lines 811 822) no Hoare annotation was computed. [2020-10-20 01:45:16,406 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:45:16,407 INFO L270 CegarLoopResult]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-10-20 01:45:16,407 INFO L270 CegarLoopResult]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2020-10-20 01:45:16,407 INFO L270 CegarLoopResult]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2020-10-20 01:45:16,407 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:16,408 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-10-20 01:45:16,408 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:16,408 INFO L270 CegarLoopResult]: At program point L92-3(lines 87 95) the Hoare annotation is: false [2020-10-20 01:45:16,408 INFO L270 CegarLoopResult]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2020-10-20 01:45:16,408 INFO L270 CegarLoopResult]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2020-10-20 01:45:16,409 INFO L270 CegarLoopResult]: At program point L92-6(lines 87 95) the Hoare annotation is: false [2020-10-20 01:45:16,409 INFO L270 CegarLoopResult]: At program point L92-7(lines 87 95) the Hoare annotation is: false [2020-10-20 01:45:16,409 INFO L270 CegarLoopResult]: At program point L92-8(lines 87 95) the Hoare annotation is: false [2020-10-20 01:45:16,409 INFO L270 CegarLoopResult]: At program point L885-2(lines 885 899) the Hoare annotation is: false [2020-10-20 01:45:16,409 INFO L274 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-10-20 01:45:16,410 INFO L270 CegarLoopResult]: At program point L589(lines 589 595) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-10-20 01:45:16,410 INFO L270 CegarLoopResult]: At program point L589-1(lines 589 595) the Hoare annotation is: false [2020-10-20 01:45:16,410 INFO L270 CegarLoopResult]: At program point L589-2(lines 589 595) the Hoare annotation is: false [2020-10-20 01:45:16,410 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:45:16,410 INFO L270 CegarLoopResult]: At program point L525(lines 520 527) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:16,411 INFO L274 CegarLoopResult]: For program point L889(lines 889 893) no Hoare annotation was computed. [2020-10-20 01:45:16,411 INFO L274 CegarLoopResult]: For program point L889-1(lines 889 893) no Hoare annotation was computed. [2020-10-20 01:45:16,411 INFO L274 CegarLoopResult]: For program point L791(lines 791 797) no Hoare annotation was computed. [2020-10-20 01:45:16,411 INFO L270 CegarLoopResult]: At program point L791-1(lines 791 797) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-10-20 01:45:16,411 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:45:16,412 INFO L274 CegarLoopResult]: For program point L957(lines 957 964) no Hoare annotation was computed. [2020-10-20 01:45:16,412 INFO L277 CegarLoopResult]: At program point L957-1(lines 957 964) the Hoare annotation is: true [2020-10-20 01:45:16,412 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:16,412 INFO L274 CegarLoopResult]: For program point L759(lines 759 763) no Hoare annotation was computed. [2020-10-20 01:45:16,413 INFO L274 CegarLoopResult]: For program point L759-2(lines 759 763) no Hoare annotation was computed. [2020-10-20 01:45:16,413 INFO L274 CegarLoopResult]: For program point L759-3(lines 759 763) no Hoare annotation was computed. [2020-10-20 01:45:16,413 INFO L274 CegarLoopResult]: For program point L759-5(lines 759 763) no Hoare annotation was computed. [2020-10-20 01:45:16,413 INFO L274 CegarLoopResult]: For program point L759-6(lines 759 763) no Hoare annotation was computed. [2020-10-20 01:45:16,413 INFO L274 CegarLoopResult]: For program point L759-8(lines 759 763) no Hoare annotation was computed. [2020-10-20 01:45:16,413 INFO L274 CegarLoopResult]: For program point L759-9(lines 759 763) no Hoare annotation was computed. [2020-10-20 01:45:16,414 INFO L274 CegarLoopResult]: For program point L759-11(lines 759 763) no Hoare annotation was computed. [2020-10-20 01:45:16,414 INFO L274 CegarLoopResult]: For program point L759-12(lines 759 763) no Hoare annotation was computed. [2020-10-20 01:45:16,414 INFO L274 CegarLoopResult]: For program point L759-14(lines 759 763) no Hoare annotation was computed. [2020-10-20 01:45:16,414 INFO L274 CegarLoopResult]: For program point L759-15(lines 759 763) no Hoare annotation was computed. [2020-10-20 01:45:16,414 INFO L274 CegarLoopResult]: For program point L759-17(lines 759 763) no Hoare annotation was computed. [2020-10-20 01:45:16,415 INFO L274 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:45:16,415 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:45:16,415 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:45:16,415 INFO L274 CegarLoopResult]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:45:16,415 INFO L274 CegarLoopResult]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:45:16,415 INFO L274 CegarLoopResult]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:45:16,416 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-10-20 01:45:16,416 INFO L270 CegarLoopResult]: At program point L827(lines 780 828) the Hoare annotation is: false [2020-10-20 01:45:16,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:45:16 BoogieIcfgContainer [2020-10-20 01:45:16,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:45:16,478 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:45:16,478 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:45:16,479 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:45:16,479 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:10" (3/4) ... [2020-10-20 01:45:16,484 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:45:16,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:45:16,525 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:45:16,526 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:45:16,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:45:16,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:45:16,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:16,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:16,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2020-10-20 01:45:16,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2020-10-20 01:45:16,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2020-10-20 01:45:16,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1 <= pumpRunning && tmp == 1) && tmp <= 2) && \result == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && 1 < tmp) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:16,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:16,579 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:16,580 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:16,581 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:16,581 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:16,582 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:16,584 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && tmp == 1) && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:16,584 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-10-20 01:45:16,585 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-10-20 01:45:16,589 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:16,590 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:16,594 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp___0 == 0 && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:16,598 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-10-20 01:45:16,599 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-10-20 01:45:16,726 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:45:16,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:45:16,729 INFO L168 Benchmark]: Toolchain (without parser) took 8222.31 ms. Allocated memory was 36.2 MB in the beginning and 96.5 MB in the end (delta: 60.3 MB). Free memory was 14.4 MB in the beginning and 68.4 MB in the end (delta: -54.0 MB). Peak memory consumption was 59.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,729 INFO L168 Benchmark]: CDTParser took 1.07 ms. Allocated memory is still 34.1 MB. Free memory was 8.9 MB in the beginning and 8.9 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.59 ms. Allocated memory was 36.2 MB in the beginning and 46.7 MB in the end (delta: 10.5 MB). Free memory was 13.4 MB in the beginning and 26.8 MB in the end (delta: -13.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,731 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.78 ms. Allocated memory is still 46.7 MB. Free memory was 26.8 MB in the beginning and 22.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,731 INFO L168 Benchmark]: Boogie Preprocessor took 50.96 ms. Allocated memory is still 46.7 MB. Free memory was 22.3 MB in the beginning and 19.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,731 INFO L168 Benchmark]: RCFGBuilder took 1034.71 ms. Allocated memory was 46.7 MB in the beginning and 52.4 MB in the end (delta: 5.8 MB). Free memory was 19.2 MB in the beginning and 21.8 MB in the end (delta: -2.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,732 INFO L168 Benchmark]: TraceAbstraction took 6183.19 ms. Allocated memory was 52.4 MB in the beginning and 95.4 MB in the end (delta: 43.0 MB). Free memory was 21.4 MB in the beginning and 26.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 45.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,732 INFO L168 Benchmark]: Witness Printer took 248.85 ms. Allocated memory was 95.4 MB in the beginning and 96.5 MB in the end (delta: 1.0 MB). Free memory was 26.2 MB in the beginning and 68.4 MB in the end (delta: -42.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07 ms. Allocated memory is still 34.1 MB. Free memory was 8.9 MB in the beginning and 8.9 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 626.59 ms. Allocated memory was 36.2 MB in the beginning and 46.7 MB in the end (delta: 10.5 MB). Free memory was 13.4 MB in the beginning and 26.8 MB in the end (delta: -13.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 67.78 ms. Allocated memory is still 46.7 MB. Free memory was 26.8 MB in the beginning and 22.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 50.96 ms. Allocated memory is still 46.7 MB. Free memory was 22.3 MB in the beginning and 19.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1034.71 ms. Allocated memory was 46.7 MB in the beginning and 52.4 MB in the end (delta: 5.8 MB). Free memory was 19.2 MB in the beginning and 21.8 MB in the end (delta: -2.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 6183.19 ms. Allocated memory was 52.4 MB in the beginning and 95.4 MB in the end (delta: 43.0 MB). Free memory was 21.4 MB in the beginning and 26.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 45.4 MB. Max. memory is 14.3 GB. * Witness Printer took 248.85 ms. Allocated memory was 95.4 MB in the beginning and 96.5 MB in the end (delta: 1.0 MB). Free memory was 26.2 MB in the beginning and 68.4 MB in the end (delta: -42.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 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: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && tmp == 1) && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (((((((tmp___0 == 0 && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((1 <= pumpRunning && tmp == 1) && tmp <= 2) && \result == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && 1 < tmp) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1100 SDtfs, 1558 SDslu, 1546 SDs, 0 SdLazy, 266 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 449 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 61 PreInvPairs, 155 NumberOfFragments, 851 HoareAnnotationTreeSize, 61 FomulaSimplifications, 44259 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 2332 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 33569 SizeOfPredicates, 4 NumberOfNonLiveVariables, 454 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...