./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product57.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_spec2_product57.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 26f7660d8ab24b35503e9d3e9f36c3801ecfd446 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:42:40,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:40,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:40,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:40,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:40,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:40,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:40,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:40,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:40,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:40,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:40,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:40,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:40,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:40,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:40,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:40,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:40,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:40,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:40,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:40,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:40,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:40,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:40,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:40,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:40,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:40,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:40,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:40,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:40,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:40,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:40,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:40,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:40,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:40,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:40,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:40,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:40,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:40,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:40,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:40,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:40,359 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:40,386 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:40,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:40,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:40,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:40,388 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:40,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:40,389 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:40,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:40,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:40,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:40,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:40,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:40,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:40,391 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:40,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:40,391 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:40,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:40,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:40,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:40,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:40,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:40,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:40,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:40,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:40,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:40,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:40,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:40,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:40,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:40,395 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 -> 26f7660d8ab24b35503e9d3e9f36c3801ecfd446 [2020-10-20 01:42:40,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:40,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:40,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:40,606 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:40,607 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:40,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2020-10-20 01:42:40,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dc07ce95/0566fcb7e0424480aa461b409d8a04e3/FLAGb3ddd2f37 [2020-10-20 01:42:41,168 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:41,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2020-10-20 01:42:41,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dc07ce95/0566fcb7e0424480aa461b409d8a04e3/FLAGb3ddd2f37 [2020-10-20 01:42:41,500 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dc07ce95/0566fcb7e0424480aa461b409d8a04e3 [2020-10-20 01:42:41,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:41,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:41,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:41,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:41,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:41,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:41" (1/1) ... [2020-10-20 01:42:41,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@135cb481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:41, skipping insertion in model container [2020-10-20 01:42:41,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:41" (1/1) ... [2020-10-20 01:42:41,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:41,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:41,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:41,965 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:42,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:42,106 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:42,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:42 WrapperNode [2020-10-20 01:42:42,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:42,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:42,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:42,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:42,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:42" (1/1) ... [2020-10-20 01:42:42,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:42" (1/1) ... [2020-10-20 01:42:42,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:42,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:42,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:42,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:42,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:42" (1/1) ... [2020-10-20 01:42:42,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:42" (1/1) ... [2020-10-20 01:42:42,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:42" (1/1) ... [2020-10-20 01:42:42,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:42" (1/1) ... [2020-10-20 01:42:42,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:42" (1/1) ... [2020-10-20 01:42:42,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:42" (1/1) ... [2020-10-20 01:42:42,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:42" (1/1) ... [2020-10-20 01:42:42,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:42,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:42,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:42,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:42,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:42" (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 01:42:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:43,315 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:43,315 INFO L298 CfgBuilder]: Removed 200 assume(true) statements. [2020-10-20 01:42:43,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:43 BoogieIcfgContainer [2020-10-20 01:42:43,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:43,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:43,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:43,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:43,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:41" (1/3) ... [2020-10-20 01:42:43,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b576acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:43, skipping insertion in model container [2020-10-20 01:42:43,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:42" (2/3) ... [2020-10-20 01:42:43,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b576acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:43, skipping insertion in model container [2020-10-20 01:42:43,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:43" (3/3) ... [2020-10-20 01:42:43,325 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2020-10-20 01:42:43,337 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:43,344 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:43,357 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:43,380 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:43,380 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:43,380 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:43,381 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:43,381 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:43,381 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:43,381 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:43,381 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:43,398 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-10-20 01:42:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:43,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:43,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:43,405 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:43,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:43,410 INFO L82 PathProgramCache]: Analyzing trace with hash 452487524, now seen corresponding path program 1 times [2020-10-20 01:42:43,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:43,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308887275] [2020-10-20 01:42:43,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:43,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308887275] [2020-10-20 01:42:43,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:43,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:43,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179538956] [2020-10-20 01:42:43,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:43,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:43,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:43,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:43,729 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2020-10-20 01:42:43,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:43,767 INFO L93 Difference]: Finished difference Result 274 states and 411 transitions. [2020-10-20 01:42:43,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:43,769 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:43,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:43,782 INFO L225 Difference]: With dead ends: 274 [2020-10-20 01:42:43,782 INFO L226 Difference]: Without dead ends: 135 [2020-10-20 01:42:43,786 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 01:42:43,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-20 01:42:43,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-10-20 01:42:43,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-20 01:42:43,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2020-10-20 01:42:43,836 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2020-10-20 01:42:43,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:43,836 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2020-10-20 01:42:43,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2020-10-20 01:42:43,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:43,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:43,838 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 01:42:43,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:43,838 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:43,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:43,839 INFO L82 PathProgramCache]: Analyzing trace with hash 233651555, now seen corresponding path program 1 times [2020-10-20 01:42:43,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:43,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501720915] [2020-10-20 01:42:43,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:43,955 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 01:42:43,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501720915] [2020-10-20 01:42:43,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:43,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:43,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710756809] [2020-10-20 01:42:43,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:43,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:43,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:43,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:43,959 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2020-10-20 01:42:43,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:43,974 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2020-10-20 01:42:43,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:43,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:43,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:43,975 INFO L225 Difference]: With dead ends: 135 [2020-10-20 01:42:43,976 INFO L226 Difference]: Without dead ends: 55 [2020-10-20 01:42:43,977 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 01:42:43,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-20 01:42:43,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-20 01:42:43,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-20 01:42:43,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-10-20 01:42:43,983 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-10-20 01:42:43,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:43,984 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-10-20 01:42:43,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:43,984 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-10-20 01:42:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:43,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:43,985 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:43,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:43,986 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:43,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:43,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1475398090, now seen corresponding path program 1 times [2020-10-20 01:42:43,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:43,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042242522] [2020-10-20 01:42:43,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:44,118 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 01:42:44,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042242522] [2020-10-20 01:42:44,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:44,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:44,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97129041] [2020-10-20 01:42:44,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:44,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:44,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:44,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:44,121 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2020-10-20 01:42:44,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:44,259 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2020-10-20 01:42:44,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:44,260 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-20 01:42:44,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:44,261 INFO L225 Difference]: With dead ends: 103 [2020-10-20 01:42:44,261 INFO L226 Difference]: Without dead ends: 55 [2020-10-20 01:42:44,262 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 01:42:44,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-20 01:42:44,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-20 01:42:44,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-20 01:42:44,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-10-20 01:42:44,274 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-10-20 01:42:44,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:44,274 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-10-20 01:42:44,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:44,275 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-10-20 01:42:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:44,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:44,276 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 01:42:44,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:44,277 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:44,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:44,278 INFO L82 PathProgramCache]: Analyzing trace with hash 597219871, now seen corresponding path program 1 times [2020-10-20 01:42:44,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:44,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116622208] [2020-10-20 01:42:44,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:44,403 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 01:42:44,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116622208] [2020-10-20 01:42:44,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:44,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:44,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315171891] [2020-10-20 01:42:44,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:44,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:44,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:44,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:44,406 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-10-20 01:42:44,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:44,451 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2020-10-20 01:42:44,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:44,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:42:44,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:44,453 INFO L225 Difference]: With dead ends: 125 [2020-10-20 01:42:44,453 INFO L226 Difference]: Without dead ends: 77 [2020-10-20 01:42:44,457 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 01:42:44,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-20 01:42:44,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2020-10-20 01:42:44,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-20 01:42:44,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-10-20 01:42:44,476 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2020-10-20 01:42:44,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:44,476 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-10-20 01:42:44,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-10-20 01:42:44,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:42:44,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:44,479 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] [2020-10-20 01:42:44,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:44,480 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:44,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:44,480 INFO L82 PathProgramCache]: Analyzing trace with hash -105705555, now seen corresponding path program 1 times [2020-10-20 01:42:44,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:44,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245065735] [2020-10-20 01:42:44,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:44,570 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 01:42:44,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245065735] [2020-10-20 01:42:44,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:44,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:44,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070108470] [2020-10-20 01:42:44,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:44,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:44,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:44,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:44,574 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-10-20 01:42:44,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:44,608 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2020-10-20 01:42:44,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:44,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-10-20 01:42:44,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:44,611 INFO L225 Difference]: With dead ends: 194 [2020-10-20 01:42:44,611 INFO L226 Difference]: Without dead ends: 126 [2020-10-20 01:42:44,612 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 01:42:44,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-20 01:42:44,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2020-10-20 01:42:44,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-20 01:42:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2020-10-20 01:42:44,639 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2020-10-20 01:42:44,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:44,640 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2020-10-20 01:42:44,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:44,640 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2020-10-20 01:42:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:42:44,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:44,642 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] [2020-10-20 01:42:44,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:44,642 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:44,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:44,643 INFO L82 PathProgramCache]: Analyzing trace with hash 481100459, now seen corresponding path program 1 times [2020-10-20 01:42:44,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:44,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213411116] [2020-10-20 01:42:44,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:44,709 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 01:42:44,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213411116] [2020-10-20 01:42:44,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:44,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:44,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144222401] [2020-10-20 01:42:44,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:44,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:44,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:44,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:44,712 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2020-10-20 01:42:44,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:44,847 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2020-10-20 01:42:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:44,848 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-20 01:42:44,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:44,851 INFO L225 Difference]: With dead ends: 622 [2020-10-20 01:42:44,852 INFO L226 Difference]: Without dead ends: 505 [2020-10-20 01:42:44,853 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 01:42:44,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-10-20 01:42:44,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2020-10-20 01:42:44,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-20 01:42:44,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2020-10-20 01:42:44,876 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2020-10-20 01:42:44,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:44,877 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2020-10-20 01:42:44,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:44,877 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2020-10-20 01:42:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:42:44,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:44,879 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] [2020-10-20 01:42:44,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:42:44,880 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:44,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:44,880 INFO L82 PathProgramCache]: Analyzing trace with hash 480943923, now seen corresponding path program 1 times [2020-10-20 01:42:44,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:44,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988283852] [2020-10-20 01:42:44,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:44,940 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 01:42:44,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988283852] [2020-10-20 01:42:44,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:44,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:44,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108554314] [2020-10-20 01:42:44,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:44,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:44,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:44,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:44,943 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2020-10-20 01:42:45,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:45,095 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2020-10-20 01:42:45,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:42:45,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 01:42:45,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:45,100 INFO L225 Difference]: With dead ends: 865 [2020-10-20 01:42:45,100 INFO L226 Difference]: Without dead ends: 645 [2020-10-20 01:42:45,101 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 01:42:45,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-10-20 01:42:45,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2020-10-20 01:42:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-20 01:42:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2020-10-20 01:42:45,122 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2020-10-20 01:42:45,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:45,123 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2020-10-20 01:42:45,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2020-10-20 01:42:45,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:42:45,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:45,125 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] [2020-10-20 01:42:45,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:42:45,126 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:45,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:45,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1552355764, now seen corresponding path program 1 times [2020-10-20 01:42:45,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:45,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897617749] [2020-10-20 01:42:45,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:45,200 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 01:42:45,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897617749] [2020-10-20 01:42:45,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:45,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:45,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049600643] [2020-10-20 01:42:45,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:45,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:45,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:45,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:45,203 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2020-10-20 01:42:45,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:45,289 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2020-10-20 01:42:45,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:42:45,290 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-20 01:42:45,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:45,293 INFO L225 Difference]: With dead ends: 609 [2020-10-20 01:42:45,293 INFO L226 Difference]: Without dead ends: 391 [2020-10-20 01:42:45,294 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 01:42:45,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-10-20 01:42:45,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2020-10-20 01:42:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-10-20 01:42:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2020-10-20 01:42:45,316 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2020-10-20 01:42:45,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:45,316 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2020-10-20 01:42:45,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:45,317 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2020-10-20 01:42:45,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:42:45,318 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:45,319 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] [2020-10-20 01:42:45,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:42:45,319 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:45,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:45,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1731494282, now seen corresponding path program 1 times [2020-10-20 01:42:45,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:45,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703253837] [2020-10-20 01:42:45,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:45,504 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 01:42:45,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703253837] [2020-10-20 01:42:45,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:45,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:45,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233778660] [2020-10-20 01:42:45,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:45,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:45,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:45,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:45,507 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 6 states. [2020-10-20 01:42:45,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:45,618 INFO L93 Difference]: Finished difference Result 550 states and 732 transitions. [2020-10-20 01:42:45,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:42:45,618 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-10-20 01:42:45,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:45,620 INFO L225 Difference]: With dead ends: 550 [2020-10-20 01:42:45,620 INFO L226 Difference]: Without dead ends: 314 [2020-10-20 01:42:45,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:42:45,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-10-20 01:42:45,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 204. [2020-10-20 01:42:45,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-20 01:42:45,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2020-10-20 01:42:45,641 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2020-10-20 01:42:45,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:45,643 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2020-10-20 01:42:45,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:45,643 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2020-10-20 01:42:45,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:42:45,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:45,644 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 01:42:45,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:42:45,645 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:45,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:45,653 INFO L82 PathProgramCache]: Analyzing trace with hash -764052856, now seen corresponding path program 1 times [2020-10-20 01:42:45,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:45,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828097207] [2020-10-20 01:42:45,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:45,720 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 01:42:45,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828097207] [2020-10-20 01:42:45,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:45,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:45,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300066509] [2020-10-20 01:42:45,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:45,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:45,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:45,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:45,723 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2020-10-20 01:42:45,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:45,967 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2020-10-20 01:42:45,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 01:42:45,971 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-10-20 01:42:45,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:45,977 INFO L225 Difference]: With dead ends: 615 [2020-10-20 01:42:45,977 INFO L226 Difference]: Without dead ends: 418 [2020-10-20 01:42:45,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:42:45,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-10-20 01:42:46,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2020-10-20 01:42:46,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-20 01:42:46,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2020-10-20 01:42:46,008 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2020-10-20 01:42:46,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:46,008 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2020-10-20 01:42:46,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:46,008 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2020-10-20 01:42:46,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-20 01:42:46,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:46,009 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2020-10-20 01:42:46,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:42:46,010 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:46,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:46,010 INFO L82 PathProgramCache]: Analyzing trace with hash 746215448, now seen corresponding path program 1 times [2020-10-20 01:42:46,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:46,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550512145] [2020-10-20 01:42:46,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:46,127 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:42:46,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550512145] [2020-10-20 01:42:46,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:46,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 01:42:46,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027625946] [2020-10-20 01:42:46,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:42:46,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:46,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:42:46,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:42:46,129 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2020-10-20 01:42:46,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:46,255 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2020-10-20 01:42:46,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:46,256 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-10-20 01:42:46,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:46,258 INFO L225 Difference]: With dead ends: 516 [2020-10-20 01:42:46,258 INFO L226 Difference]: Without dead ends: 369 [2020-10-20 01:42:46,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:42:46,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-10-20 01:42:46,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2020-10-20 01:42:46,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-10-20 01:42:46,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2020-10-20 01:42:46,282 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2020-10-20 01:42:46,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:46,283 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2020-10-20 01:42:46,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:42:46,283 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2020-10-20 01:42:46,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-20 01:42:46,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:46,284 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2020-10-20 01:42:46,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:42:46,285 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:46,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:46,285 INFO L82 PathProgramCache]: Analyzing trace with hash 488050010, now seen corresponding path program 1 times [2020-10-20 01:42:46,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:46,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384481188] [2020-10-20 01:42:46,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:46,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384481188] [2020-10-20 01:42:46,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:46,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:46,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321634964] [2020-10-20 01:42:46,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:46,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:46,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:46,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:46,332 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2020-10-20 01:42:46,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:46,386 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2020-10-20 01:42:46,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:46,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-10-20 01:42:46,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:46,389 INFO L225 Difference]: With dead ends: 331 [2020-10-20 01:42:46,389 INFO L226 Difference]: Without dead ends: 329 [2020-10-20 01:42:46,389 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 01:42:46,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-10-20 01:42:46,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2020-10-20 01:42:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-20 01:42:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2020-10-20 01:42:46,412 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2020-10-20 01:42:46,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:46,413 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2020-10-20 01:42:46,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:46,413 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2020-10-20 01:42:46,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-20 01:42:46,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:46,414 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-10-20 01:42:46,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:42:46,415 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:46,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:46,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1765608871, now seen corresponding path program 1 times [2020-10-20 01:42:46,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:46,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264092274] [2020-10-20 01:42:46,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:46,532 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:42:46,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264092274] [2020-10-20 01:42:46,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:46,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:46,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397781867] [2020-10-20 01:42:46,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:46,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:46,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:46,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:46,535 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2020-10-20 01:42:46,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:46,755 INFO L93 Difference]: Finished difference Result 589 states and 784 transitions. [2020-10-20 01:42:46,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:46,756 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-20 01:42:46,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:46,759 INFO L225 Difference]: With dead ends: 589 [2020-10-20 01:42:46,759 INFO L226 Difference]: Without dead ends: 410 [2020-10-20 01:42:46,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:46,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2020-10-20 01:42:46,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 269. [2020-10-20 01:42:46,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-10-20 01:42:46,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2020-10-20 01:42:46,797 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2020-10-20 01:42:46,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:46,798 INFO L481 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2020-10-20 01:42:46,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:46,799 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2020-10-20 01:42:46,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-20 01:42:46,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:46,800 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2020-10-20 01:42:46,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-20 01:42:46,801 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:46,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:46,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1508290071, now seen corresponding path program 1 times [2020-10-20 01:42:46,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:46,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475505379] [2020-10-20 01:42:46,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:46,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475505379] [2020-10-20 01:42:46,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546179768] [2020-10-20 01:42:46,869 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 01:42:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:47,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 01:42:47,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:42:47,090 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:47,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:42:47,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-20 01:42:47,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040282417] [2020-10-20 01:42:47,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:42:47,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:47,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:42:47,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:42:47,095 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2020-10-20 01:42:47,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:47,269 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2020-10-20 01:42:47,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:42:47,269 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-10-20 01:42:47,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:47,271 INFO L225 Difference]: With dead ends: 559 [2020-10-20 01:42:47,272 INFO L226 Difference]: Without dead ends: 294 [2020-10-20 01:42:47,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:42:47,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-10-20 01:42:47,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2020-10-20 01:42:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-10-20 01:42:47,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2020-10-20 01:42:47,305 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2020-10-20 01:42:47,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:47,305 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2020-10-20 01:42:47,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:42:47,306 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2020-10-20 01:42:47,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-20 01:42:47,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:47,307 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-10-20 01:42:47,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-20 01:42:47,522 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:47,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:47,523 INFO L82 PathProgramCache]: Analyzing trace with hash -468601353, now seen corresponding path program 2 times [2020-10-20 01:42:47,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:47,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690532991] [2020-10-20 01:42:47,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-20 01:42:47,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690532991] [2020-10-20 01:42:47,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:47,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:47,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139314710] [2020-10-20 01:42:47,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:47,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:47,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:47,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:47,627 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2020-10-20 01:42:47,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:47,813 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2020-10-20 01:42:47,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:42:47,814 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-10-20 01:42:47,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:47,814 INFO L225 Difference]: With dead ends: 608 [2020-10-20 01:42:47,815 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:47,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:47,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:47,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:47,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:47,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:47,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-10-20 01:42:47,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:47,817 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:47,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:47,817 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:47,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:47,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-20 01:42:47,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:48,017 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 139 [2020-10-20 01:42:48,258 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 137 [2020-10-20 01:42:48,476 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 114 [2020-10-20 01:42:48,793 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 125 [2020-10-20 01:42:49,055 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 129 [2020-10-20 01:42:49,447 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 164 [2020-10-20 01:42:49,709 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 160 [2020-10-20 01:42:50,013 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 176 [2020-10-20 01:42:50,457 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2020-10-20 01:42:50,566 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2020-10-20 01:42:51,120 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 39 [2020-10-20 01:42:51,295 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 24 [2020-10-20 01:42:51,762 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 31 [2020-10-20 01:42:51,956 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2020-10-20 01:42:52,418 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 35 [2020-10-20 01:42:52,571 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2020-10-20 01:42:52,977 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 38 [2020-10-20 01:42:53,169 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-10-20 01:42:53,840 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 30 [2020-10-20 01:42:54,425 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 40 [2020-10-20 01:42:55,187 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 31 [2020-10-20 01:42:55,220 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:55,221 INFO L270 CegarLoopResult]: At program point L300(lines 295 302) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:55,221 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:55,221 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:55,221 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:55,221 INFO L274 CegarLoopResult]: For program point L400(lines 400 417) no Hoare annotation was computed. [2020-10-20 01:42:55,221 INFO L274 CegarLoopResult]: For program point L400-1(lines 400 417) no Hoare annotation was computed. [2020-10-20 01:42:55,221 INFO L274 CegarLoopResult]: For program point L400-2(lines 400 417) no Hoare annotation was computed. [2020-10-20 01:42:55,221 INFO L270 CegarLoopResult]: At program point L203-2(lines 203 217) the Hoare annotation is: false [2020-10-20 01:42:55,222 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-20 01:42:55,222 INFO L274 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-10-20 01:42:55,222 INFO L274 CegarLoopResult]: For program point L171-1(lines 171 177) no Hoare annotation was computed. [2020-10-20 01:42:55,222 INFO L274 CegarLoopResult]: For program point L171-2(lines 171 177) no Hoare annotation was computed. [2020-10-20 01:42:55,222 INFO L274 CegarLoopResult]: For program point L171-3(lines 171 177) no Hoare annotation was computed. [2020-10-20 01:42:55,222 INFO L274 CegarLoopResult]: For program point L171-4(lines 171 177) no Hoare annotation was computed. [2020-10-20 01:42:55,222 INFO L274 CegarLoopResult]: For program point L171-5(lines 171 177) no Hoare annotation was computed. [2020-10-20 01:42:55,222 INFO L274 CegarLoopResult]: For program point L106(lines 106 110) no Hoare annotation was computed. [2020-10-20 01:42:55,223 INFO L274 CegarLoopResult]: For program point L437(lines 437 443) no Hoare annotation was computed. [2020-10-20 01:42:55,223 INFO L274 CegarLoopResult]: For program point L404(lines 404 412) no Hoare annotation was computed. [2020-10-20 01:42:55,223 INFO L274 CegarLoopResult]: For program point L437-2(lines 437 443) no Hoare annotation was computed. [2020-10-20 01:42:55,223 INFO L274 CegarLoopResult]: For program point L404-1(lines 404 412) no Hoare annotation was computed. [2020-10-20 01:42:55,223 INFO L274 CegarLoopResult]: For program point L404-2(lines 404 412) no Hoare annotation was computed. [2020-10-20 01:42:55,223 INFO L274 CegarLoopResult]: For program point L437-4(lines 437 443) no Hoare annotation was computed. [2020-10-20 01:42:55,223 INFO L274 CegarLoopResult]: For program point L437-6(lines 437 443) no Hoare annotation was computed. [2020-10-20 01:42:55,223 INFO L274 CegarLoopResult]: For program point L437-8(lines 437 443) no Hoare annotation was computed. [2020-10-20 01:42:55,223 INFO L274 CegarLoopResult]: For program point L437-10(lines 437 443) no Hoare annotation was computed. [2020-10-20 01:42:55,224 INFO L274 CegarLoopResult]: For program point L570(lines 570 576) no Hoare annotation was computed. [2020-10-20 01:42:55,224 INFO L270 CegarLoopResult]: At program point L570-1(lines 570 576) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse3 .cse5 .cse6 .cse7) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= ULTIMATE.start_main_~tmp~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-10-20 01:42:55,224 INFO L270 CegarLoopResult]: At program point L471(lines 466 474) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:55,224 INFO L270 CegarLoopResult]: At program point L471-1(lines 466 474) the Hoare annotation is: false [2020-10-20 01:42:55,224 INFO L270 CegarLoopResult]: At program point L471-2(lines 466 474) the Hoare annotation is: false [2020-10-20 01:42:55,224 INFO L274 CegarLoopResult]: For program point L207(lines 207 211) no Hoare annotation was computed. [2020-10-20 01:42:55,224 INFO L274 CegarLoopResult]: For program point L207-1(lines 342 348) no Hoare annotation was computed. [2020-10-20 01:42:55,225 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:55,225 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:55,225 INFO L274 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-10-20 01:42:55,225 INFO L274 CegarLoopResult]: For program point L539-2(lines 539 543) no Hoare annotation was computed. [2020-10-20 01:42:55,225 INFO L274 CegarLoopResult]: For program point L539-3(lines 539 543) no Hoare annotation was computed. [2020-10-20 01:42:55,225 INFO L274 CegarLoopResult]: For program point L374(lines 374 391) no Hoare annotation was computed. [2020-10-20 01:42:55,225 INFO L274 CegarLoopResult]: For program point L539-5(lines 539 543) no Hoare annotation was computed. [2020-10-20 01:42:55,225 INFO L274 CegarLoopResult]: For program point L374-1(lines 374 391) no Hoare annotation was computed. [2020-10-20 01:42:55,225 INFO L274 CegarLoopResult]: For program point L539-6(lines 539 543) no Hoare annotation was computed. [2020-10-20 01:42:55,226 INFO L274 CegarLoopResult]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2020-10-20 01:42:55,226 INFO L274 CegarLoopResult]: For program point L374-3(lines 374 391) no Hoare annotation was computed. [2020-10-20 01:42:55,226 INFO L274 CegarLoopResult]: For program point L539-8(lines 539 543) no Hoare annotation was computed. [2020-10-20 01:42:55,226 INFO L274 CegarLoopResult]: For program point L374-4(lines 374 391) no Hoare annotation was computed. [2020-10-20 01:42:55,226 INFO L274 CegarLoopResult]: For program point L374-5(lines 374 391) no Hoare annotation was computed. [2020-10-20 01:42:55,226 INFO L270 CegarLoopResult]: At program point L176(lines 167 180) the Hoare annotation is: false [2020-10-20 01:42:55,226 INFO L270 CegarLoopResult]: At program point L176-1(lines 167 180) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse7 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse3 .cse4 .cse9 .cse5 .cse6) (and .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse9 .cse5 .cse6))) [2020-10-20 01:42:55,226 INFO L270 CegarLoopResult]: At program point L176-2(lines 167 180) the Hoare annotation is: false [2020-10-20 01:42:55,227 INFO L270 CegarLoopResult]: At program point L176-3(lines 167 180) the Hoare annotation is: false [2020-10-20 01:42:55,227 INFO L270 CegarLoopResult]: At program point L176-4(lines 167 180) the Hoare annotation is: false [2020-10-20 01:42:55,227 INFO L270 CegarLoopResult]: At program point L176-5(lines 167 180) the Hoare annotation is: false [2020-10-20 01:42:55,227 INFO L270 CegarLoopResult]: At program point L606(lines 559 607) the Hoare annotation is: false [2020-10-20 01:42:55,227 INFO L270 CegarLoopResult]: At program point L342(lines 341 360) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse1 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse5 .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:42:55,227 INFO L274 CegarLoopResult]: For program point L342-1(lines 342 348) no Hoare annotation was computed. [2020-10-20 01:42:55,227 INFO L270 CegarLoopResult]: At program point L342-2(lines 341 360) the Hoare annotation is: false [2020-10-20 01:42:55,228 INFO L270 CegarLoopResult]: At program point L342-3(lines 341 360) the Hoare annotation is: false [2020-10-20 01:42:55,228 INFO L274 CegarLoopResult]: For program point L311(lines 311 328) no Hoare annotation was computed. [2020-10-20 01:42:55,228 INFO L274 CegarLoopResult]: For program point L278(lines 278 285) no Hoare annotation was computed. [2020-10-20 01:42:55,228 INFO L270 CegarLoopResult]: At program point L311-1(lines 1 988) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= ULTIMATE.start_main_~tmp~0 1) .cse6 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-10-20 01:42:55,228 INFO L274 CegarLoopResult]: For program point L311-2(lines 311 328) no Hoare annotation was computed. [2020-10-20 01:42:55,228 INFO L277 CegarLoopResult]: At program point L278-1(lines 278 285) the Hoare annotation is: true [2020-10-20 01:42:55,228 INFO L270 CegarLoopResult]: At program point L311-3(lines 1 988) the Hoare annotation is: false [2020-10-20 01:42:55,228 INFO L274 CegarLoopResult]: For program point L311-4(lines 311 328) no Hoare annotation was computed. [2020-10-20 01:42:55,229 INFO L270 CegarLoopResult]: At program point L311-5(lines 1 988) the Hoare annotation is: false [2020-10-20 01:42:55,229 INFO L274 CegarLoopResult]: For program point L378(lines 378 386) no Hoare annotation was computed. [2020-10-20 01:42:55,229 INFO L274 CegarLoopResult]: For program point L378-1(lines 378 386) no Hoare annotation was computed. [2020-10-20 01:42:55,229 INFO L274 CegarLoopResult]: For program point L378-2(lines 378 386) no Hoare annotation was computed. [2020-10-20 01:42:55,229 INFO L274 CegarLoopResult]: For program point L378-3(lines 378 386) no Hoare annotation was computed. [2020-10-20 01:42:55,229 INFO L274 CegarLoopResult]: For program point L378-4(lines 378 386) no Hoare annotation was computed. [2020-10-20 01:42:55,229 INFO L274 CegarLoopResult]: For program point L378-5(lines 378 386) no Hoare annotation was computed. [2020-10-20 01:42:55,229 INFO L270 CegarLoopResult]: At program point L545(lines 530 548) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0))) (.cse1 (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0))) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-10-20 01:42:55,230 INFO L270 CegarLoopResult]: At program point L545-1(lines 530 548) the Hoare annotation is: false [2020-10-20 01:42:55,230 INFO L270 CegarLoopResult]: At program point L545-2(lines 530 548) the Hoare annotation is: false [2020-10-20 01:42:55,230 INFO L274 CegarLoopResult]: For program point L315(lines 315 325) no Hoare annotation was computed. [2020-10-20 01:42:55,230 INFO L274 CegarLoopResult]: For program point L315-2(lines 315 325) no Hoare annotation was computed. [2020-10-20 01:42:55,230 INFO L274 CegarLoopResult]: For program point L315-4(lines 315 325) no Hoare annotation was computed. [2020-10-20 01:42:55,230 INFO L274 CegarLoopResult]: For program point L580(lines 580 586) no Hoare annotation was computed. [2020-10-20 01:42:55,230 INFO L270 CegarLoopResult]: At program point L580-1(lines 580 586) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ULTIMATE.start_main_~tmp~0 1) .cse1 .cse6 .cse7 .cse3 .cse4 .cse5 .cse8) (and .cse9 .cse0 .cse2 .cse3 .cse4 .cse5 .cse8) (and .cse9 .cse0 .cse6 .cse3 .cse7 .cse4 .cse5 .cse8))) [2020-10-20 01:42:55,231 INFO L270 CegarLoopResult]: At program point L349(lines 349 355) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse6 .cse3 .cse4) (and (= ~methaneLevelCritical~0 1) .cse0 .cse5 .cse2 .cse6 .cse3 .cse4))) [2020-10-20 01:42:55,231 INFO L274 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-10-20 01:42:55,231 INFO L270 CegarLoopResult]: At program point L349-1(lines 349 355) the Hoare annotation is: false [2020-10-20 01:42:55,231 INFO L270 CegarLoopResult]: At program point L349-2(lines 349 355) the Hoare annotation is: false [2020-10-20 01:42:55,231 INFO L274 CegarLoopResult]: For program point L316-2(lines 316 322) no Hoare annotation was computed. [2020-10-20 01:42:55,231 INFO L274 CegarLoopResult]: For program point L316-4(lines 316 322) no Hoare annotation was computed. [2020-10-20 01:42:55,231 INFO L274 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2020-10-20 01:42:55,231 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:55,232 INFO L270 CegarLoopResult]: At program point L252(lines 248 254) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:55,232 INFO L270 CegarLoopResult]: At program point L186(lines 181 189) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)))) [2020-10-20 01:42:55,232 INFO L270 CegarLoopResult]: At program point L186-1(lines 181 189) the Hoare annotation is: false [2020-10-20 01:42:55,232 INFO L270 CegarLoopResult]: At program point L186-2(lines 181 189) the Hoare annotation is: false [2020-10-20 01:42:55,232 INFO L277 CegarLoopResult]: At program point L287(lines 268 290) the Hoare annotation is: true [2020-10-20 01:42:55,232 INFO L274 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-10-20 01:42:55,232 INFO L274 CegarLoopResult]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2020-10-20 01:42:55,232 INFO L274 CegarLoopResult]: For program point L520-3(lines 520 524) no Hoare annotation was computed. [2020-10-20 01:42:55,233 INFO L274 CegarLoopResult]: For program point L520-5(lines 520 524) no Hoare annotation was computed. [2020-10-20 01:42:55,233 INFO L274 CegarLoopResult]: For program point L520-6(lines 520 524) no Hoare annotation was computed. [2020-10-20 01:42:55,233 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:55,233 INFO L274 CegarLoopResult]: For program point L520-8(lines 520 524) no Hoare annotation was computed. [2020-10-20 01:42:55,233 INFO L274 CegarLoopResult]: For program point L520-9(lines 520 524) no Hoare annotation was computed. [2020-10-20 01:42:55,233 INFO L274 CegarLoopResult]: For program point L520-11(lines 520 524) no Hoare annotation was computed. [2020-10-20 01:42:55,233 INFO L274 CegarLoopResult]: For program point L520-12(lines 520 524) no Hoare annotation was computed. [2020-10-20 01:42:55,233 INFO L274 CegarLoopResult]: For program point L520-14(lines 520 524) no Hoare annotation was computed. [2020-10-20 01:42:55,233 INFO L274 CegarLoopResult]: For program point L520-15(lines 520 524) no Hoare annotation was computed. [2020-10-20 01:42:55,234 INFO L274 CegarLoopResult]: For program point L520-17(lines 520 524) no Hoare annotation was computed. [2020-10-20 01:42:55,234 INFO L274 CegarLoopResult]: For program point L985(line 985) no Hoare annotation was computed. [2020-10-20 01:42:55,234 INFO L274 CegarLoopResult]: For program point L985-1(line 985) no Hoare annotation was computed. [2020-10-20 01:42:55,234 INFO L274 CegarLoopResult]: For program point L985-2(line 985) no Hoare annotation was computed. [2020-10-20 01:42:55,234 INFO L274 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2020-10-20 01:42:55,234 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:55,234 INFO L274 CegarLoopResult]: For program point L94-3(lines 94 98) no Hoare annotation was computed. [2020-10-20 01:42:55,234 INFO L274 CegarLoopResult]: For program point L94-6(lines 94 98) no Hoare annotation was computed. [2020-10-20 01:42:55,234 INFO L274 CegarLoopResult]: For program point L590(lines 590 601) no Hoare annotation was computed. [2020-10-20 01:42:55,234 INFO L270 CegarLoopResult]: At program point L526(lines 511 529) the Hoare annotation is: false [2020-10-20 01:42:55,235 INFO L270 CegarLoopResult]: At program point L526-1(lines 511 529) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse2 .cse11 .cse5 .cse6 .cse8 .cse9) (and .cse2 .cse3 .cse11 .cse5 .cse6 .cse8 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-10-20 01:42:55,235 INFO L270 CegarLoopResult]: At program point L526-2(lines 511 529) the Hoare annotation is: false [2020-10-20 01:42:55,235 INFO L270 CegarLoopResult]: At program point L526-3(lines 511 529) the Hoare annotation is: false [2020-10-20 01:42:55,235 INFO L270 CegarLoopResult]: At program point L526-4(lines 511 529) the Hoare annotation is: false [2020-10-20 01:42:55,235 INFO L270 CegarLoopResult]: At program point L526-5(lines 511 529) the Hoare annotation is: false [2020-10-20 01:42:55,235 INFO L270 CegarLoopResult]: At program point L131(lines 126 134) the Hoare annotation is: false [2020-10-20 01:42:55,235 INFO L270 CegarLoopResult]: At program point L131-1(lines 126 134) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:42:55,236 INFO L270 CegarLoopResult]: At program point L131-2(lines 126 134) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse4 .cse6 .cse7) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-10-20 01:42:55,236 INFO L270 CegarLoopResult]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2020-10-20 01:42:55,236 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:55,236 INFO L270 CegarLoopResult]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2020-10-20 01:42:55,236 INFO L270 CegarLoopResult]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2020-10-20 01:42:55,236 INFO L270 CegarLoopResult]: At program point L131-6(lines 126 134) the Hoare annotation is: false [2020-10-20 01:42:55,236 INFO L270 CegarLoopResult]: At program point L131-7(lines 126 134) the Hoare annotation is: false [2020-10-20 01:42:55,236 INFO L270 CegarLoopResult]: At program point L131-8(lines 126 134) the Hoare annotation is: false [2020-10-20 01:42:55,237 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:55,237 INFO L274 CegarLoopResult]: For program point L561(lines 560 605) no Hoare annotation was computed. [2020-10-20 01:42:55,237 INFO L270 CegarLoopResult]: At program point L462(lines 455 465) the Hoare annotation is: false [2020-10-20 01:42:55,237 INFO L270 CegarLoopResult]: At program point L462-1(lines 455 465) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:42:55,237 INFO L270 CegarLoopResult]: At program point L462-2(lines 455 465) the Hoare annotation is: false [2020-10-20 01:42:55,237 INFO L270 CegarLoopResult]: At program point L462-3(lines 455 465) the Hoare annotation is: false [2020-10-20 01:42:55,237 INFO L270 CegarLoopResult]: At program point L462-4(lines 455 465) the Hoare annotation is: false [2020-10-20 01:42:55,238 INFO L270 CegarLoopResult]: At program point L462-5(lines 455 465) the Hoare annotation is: false [2020-10-20 01:42:55,238 INFO L274 CegarLoopResult]: For program point L562(lines 562 566) no Hoare annotation was computed. [2020-10-20 01:42:55,238 INFO L270 CegarLoopResult]: At program point L67(lines 1 988) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:55,238 INFO L274 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-10-20 01:42:55,238 INFO L274 CegarLoopResult]: For program point L596-2(lines 342 348) no Hoare annotation was computed. [2020-10-20 01:42:55,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:55 BoogieIcfgContainer [2020-10-20 01:42:55,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:55,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:55,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:55,288 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:55,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:43" (3/4) ... [2020-10-20 01:42:55,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:55,312 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:55,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:55,314 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:55,316 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:55,317 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:55,318 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:55,319 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:55,349 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-10-20 01:42:55,350 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 [2020-10-20 01:42:55,350 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 [2020-10-20 01:42:55,350 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || (((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-10-20 01:42:55,351 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-10-20 01:42:55,351 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-10-20 01:42:55,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-10-20 01:42:55,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-10-20 01:42:55,353 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-10-20 01:42:55,354 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-10-20 01:42:55,355 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-10-20 01:42:55,355 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1 [2020-10-20 01:42:55,356 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == 1 && !(tmp___0 == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((((!(tmp___0 == 0) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-10-20 01:42:55,356 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp___0 == 0 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-10-20 01:42:55,358 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) [2020-10-20 01:42:55,358 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) [2020-10-20 01:42:55,445 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:55,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:55,447 INFO L168 Benchmark]: Toolchain (without parser) took 13941.76 ms. Allocated memory was 36.2 MB in the beginning and 144.2 MB in the end (delta: 108.0 MB). Free memory was 18.8 MB in the beginning and 33.9 MB in the end (delta: -15.1 MB). Peak memory consumption was 92.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:55,447 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 33.6 MB. Free memory was 11.9 MB in the beginning and 11.9 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:55,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.27 ms. Allocated memory was 36.2 MB in the beginning and 46.1 MB in the end (delta: 10.0 MB). Free memory was 18.0 MB in the beginning and 28.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:55,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.44 ms. Allocated memory is still 46.1 MB. Free memory was 28.2 MB in the beginning and 24.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:55,448 INFO L168 Benchmark]: Boogie Preprocessor took 62.41 ms. Allocated memory is still 46.1 MB. Free memory was 24.0 MB in the beginning and 20.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:55,449 INFO L168 Benchmark]: RCFGBuilder took 1069.72 ms. Allocated memory was 46.1 MB in the beginning and 51.9 MB in the end (delta: 5.8 MB). Free memory was 20.6 MB in the beginning and 27.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:55,449 INFO L168 Benchmark]: TraceAbstraction took 11968.62 ms. Allocated memory was 51.9 MB in the beginning and 144.2 MB in the end (delta: 92.3 MB). Free memory was 27.0 MB in the beginning and 51.5 MB in the end (delta: -24.6 MB). Peak memory consumption was 110.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:55,450 INFO L168 Benchmark]: Witness Printer took 158.16 ms. Allocated memory is still 144.2 MB. Free memory was 51.5 MB in the beginning and 33.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:55,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 33.6 MB. Free memory was 11.9 MB in the beginning and 11.9 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 595.27 ms. Allocated memory was 36.2 MB in the beginning and 46.1 MB in the end (delta: 10.0 MB). Free memory was 18.0 MB in the beginning and 28.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 77.44 ms. Allocated memory is still 46.1 MB. Free memory was 28.2 MB in the beginning and 24.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 62.41 ms. Allocated memory is still 46.1 MB. Free memory was 24.0 MB in the beginning and 20.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1069.72 ms. Allocated memory was 46.1 MB in the beginning and 51.9 MB in the end (delta: 5.8 MB). Free memory was 20.6 MB in the beginning and 27.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 11968.62 ms. Allocated memory was 51.9 MB in the beginning and 144.2 MB in the end (delta: 92.3 MB). Free memory was 27.0 MB in the beginning and 51.5 MB in the end (delta: -24.6 MB). Peak memory consumption was 110.0 MB. Max. memory is 14.3 GB. * Witness Printer took 158.16 ms. Allocated memory is still 144.2 MB. Free memory was 51.5 MB in the beginning and 33.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 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: 570]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: (((((((((((tmp___0 == 0 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == 1 && !(tmp___0 == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((((!(tmp___0 == 0) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || (((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 142 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.4s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1686 SDtfs, 2461 SDslu, 2572 SDs, 0 SdLazy, 362 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1587 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 174 NumberOfFragments, 1028 HoareAnnotationTreeSize, 55 FomulaSimplifications, 3678299 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 55 FomulaSimplificationsInter, 952125 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 738 NumberOfCodeBlocks, 738 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 76731 SizeOfPredicates, 1 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 211/237 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...