./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product30.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_spec4_product30.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 29e1776280b08715eabf298fe4ff149758448bf2 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:44:04,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:44:04,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:44:04,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:44:04,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:44:04,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:44:04,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:44:04,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:44:04,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:44:04,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:44:04,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:44:04,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:44:04,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:44:04,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:44:04,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:44:04,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:44:04,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:44:04,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:44:04,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:44:04,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:44:04,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:44:04,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:44:04,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:44:04,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:44:04,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:44:04,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:44:04,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:44:04,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:44:04,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:44:04,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:44:04,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:44:04,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:44:04,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:44:04,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:44:04,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:44:04,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:44:04,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:44:04,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:44:04,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:44:04,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:44:04,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:44:04,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:44:04,513 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:44:04,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:44:04,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:44:04,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:44:04,516 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:44:04,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:44:04,517 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:44:04,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:44:04,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:44:04,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:44:04,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:44:04,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:44:04,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:44:04,520 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:44:04,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:44:04,520 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:44:04,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:44:04,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:44:04,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:44:04,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:44:04,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:44:04,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:04,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:44:04,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:44:04,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:44:04,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:44:04,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:44:04,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:44:04,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:44:04,524 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 -> 29e1776280b08715eabf298fe4ff149758448bf2 [2020-10-20 01:44:04,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:44:04,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:44:04,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:44:04,749 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:44:04,749 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:44:04,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2020-10-20 01:44:04,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05bef1920/4e306429c17a44cb89ed4d688b29bbe3/FLAG48521c4b4 [2020-10-20 01:44:05,389 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:44:05,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2020-10-20 01:44:05,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05bef1920/4e306429c17a44cb89ed4d688b29bbe3/FLAG48521c4b4 [2020-10-20 01:44:05,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05bef1920/4e306429c17a44cb89ed4d688b29bbe3 [2020-10-20 01:44:05,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:44:05,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:44:05,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:05,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:44:05,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:44:05,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:05" (1/1) ... [2020-10-20 01:44:05,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b09f8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:05, skipping insertion in model container [2020-10-20 01:44:05,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:05" (1/1) ... [2020-10-20 01:44:05,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:44:05,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:44:06,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:06,156 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:44:06,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:06,278 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:44:06,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06 WrapperNode [2020-10-20 01:44:06,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:06,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:06,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:44:06,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:44:06,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:06,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:44:06,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:44:06,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:44:06,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:44:06,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:44:06,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:44:06,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:44:06,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (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 01:44:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:44:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:44:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:44:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:44:07,408 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:44:07,409 INFO L298 CfgBuilder]: Removed 164 assume(true) statements. [2020-10-20 01:44:07,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:07 BoogieIcfgContainer [2020-10-20 01:44:07,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:44:07,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:44:07,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:44:07,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:44:07,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:44:05" (1/3) ... [2020-10-20 01:44:07,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d246900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:07, skipping insertion in model container [2020-10-20 01:44:07,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (2/3) ... [2020-10-20 01:44:07,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d246900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:07, skipping insertion in model container [2020-10-20 01:44:07,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:07" (3/3) ... [2020-10-20 01:44:07,431 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2020-10-20 01:44:07,445 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:44:07,452 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:44:07,461 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:44:07,483 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:44:07,483 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:44:07,483 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:44:07,484 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:44:07,488 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:44:07,490 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:44:07,491 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:44:07,492 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:44:07,512 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-10-20 01:44:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:44:07,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:07,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:07,521 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:07,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:07,527 INFO L82 PathProgramCache]: Analyzing trace with hash -113250139, now seen corresponding path program 1 times [2020-10-20 01:44:07,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:07,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132236014] [2020-10-20 01:44:07,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:07,852 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 01:44:07,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132236014] [2020-10-20 01:44:07,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:07,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:07,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747802413] [2020-10-20 01:44:07,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:44:07,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:07,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:44:07,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:07,902 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-10-20 01:44:07,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:07,935 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-10-20 01:44:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:44:07,937 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:44:07,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:07,950 INFO L225 Difference]: With dead ends: 207 [2020-10-20 01:44:07,950 INFO L226 Difference]: Without dead ends: 101 [2020-10-20 01:44:07,954 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 01:44:07,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-20 01:44:07,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-20 01:44:07,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-20 01:44:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2020-10-20 01:44:08,001 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2020-10-20 01:44:08,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:08,001 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2020-10-20 01:44:08,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:44:08,002 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-10-20 01:44:08,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:44:08,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:08,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:08,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:44:08,004 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:08,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:08,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1160007036, now seen corresponding path program 1 times [2020-10-20 01:44:08,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:08,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890364829] [2020-10-20 01:44:08,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:08,111 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 01:44:08,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890364829] [2020-10-20 01:44:08,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:08,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:08,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633081598] [2020-10-20 01:44:08,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:08,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:08,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:08,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:08,115 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2020-10-20 01:44:08,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:08,127 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-10-20 01:44:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:08,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:44:08,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:08,129 INFO L225 Difference]: With dead ends: 101 [2020-10-20 01:44:08,129 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 01:44:08,130 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 01:44:08,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 01:44:08,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 01:44:08,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 01:44:08,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2020-10-20 01:44:08,136 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2020-10-20 01:44:08,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:08,137 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2020-10-20 01:44:08,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:08,149 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-10-20 01:44:08,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:44:08,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:08,150 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:08,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:44:08,150 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:08,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:08,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2020-10-20 01:44:08,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:08,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246997161] [2020-10-20 01:44:08,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:08,229 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 01:44:08,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246997161] [2020-10-20 01:44:08,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:08,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:08,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657726779] [2020-10-20 01:44:08,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:08,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:08,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:08,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:08,232 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2020-10-20 01:44:08,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:08,259 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2020-10-20 01:44:08,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:08,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 01:44:08,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:08,261 INFO L225 Difference]: With dead ends: 80 [2020-10-20 01:44:08,261 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 01:44:08,261 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 01:44:08,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 01:44:08,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 01:44:08,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 01:44:08,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-10-20 01:44:08,268 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2020-10-20 01:44:08,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:08,268 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-10-20 01:44:08,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:08,268 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-10-20 01:44:08,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:44:08,269 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:08,269 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 01:44:08,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:44:08,270 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:08,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:08,270 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2020-10-20 01:44:08,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:08,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117252624] [2020-10-20 01:44:08,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:08,408 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 01:44:08,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117252624] [2020-10-20 01:44:08,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:08,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:44:08,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491961922] [2020-10-20 01:44:08,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:44:08,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:08,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:44:08,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:44:08,411 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 7 states. [2020-10-20 01:44:08,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:08,639 INFO L93 Difference]: Finished difference Result 286 states and 428 transitions. [2020-10-20 01:44:08,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:44:08,640 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-20 01:44:08,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:08,643 INFO L225 Difference]: With dead ends: 286 [2020-10-20 01:44:08,643 INFO L226 Difference]: Without dead ends: 249 [2020-10-20 01:44:08,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-20 01:44:08,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-10-20 01:44:08,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 108. [2020-10-20 01:44:08,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-20 01:44:08,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2020-10-20 01:44:08,663 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 24 [2020-10-20 01:44:08,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:08,663 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2020-10-20 01:44:08,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:44:08,664 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2020-10-20 01:44:08,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:44:08,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:08,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:08,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:08,666 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:08,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:08,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1913417034, now seen corresponding path program 1 times [2020-10-20 01:44:08,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:08,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987288190] [2020-10-20 01:44:08,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:08,729 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 01:44:08,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987288190] [2020-10-20 01:44:08,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:08,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:08,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962129073] [2020-10-20 01:44:08,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:08,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:08,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:08,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:08,731 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand 3 states. [2020-10-20 01:44:08,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:08,751 INFO L93 Difference]: Finished difference Result 165 states and 237 transitions. [2020-10-20 01:44:08,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:08,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-20 01:44:08,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:08,753 INFO L225 Difference]: With dead ends: 165 [2020-10-20 01:44:08,753 INFO L226 Difference]: Without dead ends: 63 [2020-10-20 01:44:08,754 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 01:44:08,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-20 01:44:08,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-10-20 01:44:08,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-20 01:44:08,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2020-10-20 01:44:08,774 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 25 [2020-10-20 01:44:08,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:08,775 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2020-10-20 01:44:08,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2020-10-20 01:44:08,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-20 01:44:08,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:08,777 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-20 01:44:08,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:08,778 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:08,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:08,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1667791865, now seen corresponding path program 1 times [2020-10-20 01:44:08,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:08,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530981048] [2020-10-20 01:44:08,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:08,899 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:08,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530981048] [2020-10-20 01:44:08,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167227701] [2020-10-20 01:44:08,900 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 01:44:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:09,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 01:44:09,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:09,130 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:09,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:44:09,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-10-20 01:44:09,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552106794] [2020-10-20 01:44:09,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:09,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:09,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:09,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:09,133 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand 4 states. [2020-10-20 01:44:09,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:09,196 INFO L93 Difference]: Finished difference Result 81 states and 104 transitions. [2020-10-20 01:44:09,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:09,197 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-10-20 01:44:09,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:09,197 INFO L225 Difference]: With dead ends: 81 [2020-10-20 01:44:09,197 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:09,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:09,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:09,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:09,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:09,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:09,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2020-10-20 01:44:09,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:09,200 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:09,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:09,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:09,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:09,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-20 01:44:09,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:09,823 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:09,823 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:09,823 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:09,823 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:09,824 INFO L270 CegarLoopResult]: At program point L433(lines 384 434) the Hoare annotation is: false [2020-10-20 01:44:09,824 INFO L270 CegarLoopResult]: At program point L929(lines 1 949) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:09,824 INFO L274 CegarLoopResult]: For program point L236(lines 236 253) no Hoare annotation was computed. [2020-10-20 01:44:09,824 INFO L274 CegarLoopResult]: For program point L236-1(lines 236 253) no Hoare annotation was computed. [2020-10-20 01:44:09,824 INFO L274 CegarLoopResult]: For program point L236-2(lines 236 253) no Hoare annotation was computed. [2020-10-20 01:44:09,824 INFO L270 CegarLoopResult]: At program point L867(lines 863 869) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:09,825 INFO L274 CegarLoopResult]: For program point L405(lines 405 411) no Hoare annotation was computed. [2020-10-20 01:44:09,825 INFO L270 CegarLoopResult]: At program point L405-1(lines 405 411) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:09,825 INFO L270 CegarLoopResult]: At program point L306(lines 301 309) the Hoare annotation is: false [2020-10-20 01:44:09,826 INFO L270 CegarLoopResult]: At program point L306-1(lines 301 309) the Hoare annotation is: false [2020-10-20 01:44:09,826 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-20 01:44:09,826 INFO L270 CegarLoopResult]: At program point L306-2(lines 301 309) the Hoare annotation is: false [2020-10-20 01:44:09,826 INFO L274 CegarLoopResult]: For program point L240-1(lines 240 248) no Hoare annotation was computed. [2020-10-20 01:44:09,826 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-20 01:44:09,827 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:09,827 INFO L277 CegarLoopResult]: At program point L902(lines 883 905) the Hoare annotation is: true [2020-10-20 01:44:09,827 INFO L274 CegarLoopResult]: For program point L210(lines 210 227) no Hoare annotation was computed. [2020-10-20 01:44:09,827 INFO L274 CegarLoopResult]: For program point L210-1(lines 210 227) no Hoare annotation was computed. [2020-10-20 01:44:09,827 INFO L274 CegarLoopResult]: For program point L210-2(lines 210 227) no Hoare annotation was computed. [2020-10-20 01:44:09,827 INFO L274 CegarLoopResult]: For program point L210-3(lines 210 227) no Hoare annotation was computed. [2020-10-20 01:44:09,828 INFO L274 CegarLoopResult]: For program point L210-4(lines 210 227) no Hoare annotation was computed. [2020-10-20 01:44:09,828 INFO L274 CegarLoopResult]: For program point L210-5(lines 210 227) no Hoare annotation was computed. [2020-10-20 01:44:09,828 INFO L270 CegarLoopResult]: At program point L937(lines 932 940) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:09,828 INFO L270 CegarLoopResult]: At program point L178(lines 177 196) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:09,829 INFO L274 CegarLoopResult]: For program point L178-1(lines 178 184) no Hoare annotation was computed. [2020-10-20 01:44:09,829 INFO L270 CegarLoopResult]: At program point L178-2(lines 177 196) the Hoare annotation is: false [2020-10-20 01:44:09,829 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-10-20 01:44:09,829 INFO L270 CegarLoopResult]: At program point L178-3(lines 177 196) the Hoare annotation is: false [2020-10-20 01:44:09,829 INFO L274 CegarLoopResult]: For program point L214(lines 214 222) no Hoare annotation was computed. [2020-10-20 01:44:09,830 INFO L274 CegarLoopResult]: For program point L214-1(lines 214 222) no Hoare annotation was computed. [2020-10-20 01:44:09,830 INFO L274 CegarLoopResult]: For program point L148(lines 148 161) no Hoare annotation was computed. [2020-10-20 01:44:09,830 INFO L274 CegarLoopResult]: For program point L214-2(lines 214 222) no Hoare annotation was computed. [2020-10-20 01:44:09,830 INFO L270 CegarLoopResult]: At program point L148-1(lines 1 949) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 ~systemActive~0) .cse0 .cse1 .cse2) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0))))) [2020-10-20 01:44:09,830 INFO L274 CegarLoopResult]: For program point L214-3(lines 214 222) no Hoare annotation was computed. [2020-10-20 01:44:09,831 INFO L274 CegarLoopResult]: For program point L148-2(lines 148 161) no Hoare annotation was computed. [2020-10-20 01:44:09,831 INFO L274 CegarLoopResult]: For program point L214-4(lines 214 222) no Hoare annotation was computed. [2020-10-20 01:44:09,831 INFO L270 CegarLoopResult]: At program point L148-3(lines 1 949) the Hoare annotation is: false [2020-10-20 01:44:09,831 INFO L274 CegarLoopResult]: For program point L214-5(lines 214 222) no Hoare annotation was computed. [2020-10-20 01:44:09,831 INFO L274 CegarLoopResult]: For program point L148-4(lines 148 161) no Hoare annotation was computed. [2020-10-20 01:44:09,832 INFO L270 CegarLoopResult]: At program point L148-5(lines 1 949) the Hoare annotation is: false [2020-10-20 01:44:09,832 INFO L274 CegarLoopResult]: For program point L415(lines 415 428) no Hoare annotation was computed. [2020-10-20 01:44:09,832 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:09,832 INFO L270 CegarLoopResult]: At program point L185(lines 185 191) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:09,832 INFO L274 CegarLoopResult]: For program point L152(lines 152 158) no Hoare annotation was computed. [2020-10-20 01:44:09,833 INFO L270 CegarLoopResult]: At program point L185-1(lines 185 191) the Hoare annotation is: false [2020-10-20 01:44:09,833 INFO L270 CegarLoopResult]: At program point L185-2(lines 185 191) the Hoare annotation is: false [2020-10-20 01:44:09,833 INFO L274 CegarLoopResult]: For program point L152-2(lines 152 158) no Hoare annotation was computed. [2020-10-20 01:44:09,833 INFO L274 CegarLoopResult]: For program point L152-4(lines 152 158) no Hoare annotation was computed. [2020-10-20 01:44:09,833 INFO L274 CegarLoopResult]: For program point L946(line 946) no Hoare annotation was computed. [2020-10-20 01:44:09,834 INFO L274 CegarLoopResult]: For program point L946-1(line 946) no Hoare annotation was computed. [2020-10-20 01:44:09,834 INFO L274 CegarLoopResult]: For program point L946-2(line 946) no Hoare annotation was computed. [2020-10-20 01:44:09,834 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:44:09,834 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:44:09,834 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:44:09,834 INFO L274 CegarLoopResult]: For program point L386(lines 385 432) no Hoare annotation was computed. [2020-10-20 01:44:09,835 INFO L274 CegarLoopResult]: For program point L387(lines 387 391) no Hoare annotation was computed. [2020-10-20 01:44:09,835 INFO L274 CegarLoopResult]: For program point L355(lines 355 359) no Hoare annotation was computed. [2020-10-20 01:44:09,835 INFO L274 CegarLoopResult]: For program point L355-2(lines 355 359) no Hoare annotation was computed. [2020-10-20 01:44:09,835 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:09,835 INFO L274 CegarLoopResult]: For program point L355-3(lines 355 359) no Hoare annotation was computed. [2020-10-20 01:44:09,836 INFO L274 CegarLoopResult]: For program point L355-5(lines 355 359) no Hoare annotation was computed. [2020-10-20 01:44:09,836 INFO L274 CegarLoopResult]: For program point L355-6(lines 355 359) no Hoare annotation was computed. [2020-10-20 01:44:09,836 INFO L270 CegarLoopResult]: At program point L124(lines 119 127) the Hoare annotation is: (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:09,836 INFO L274 CegarLoopResult]: For program point L355-8(lines 355 359) no Hoare annotation was computed. [2020-10-20 01:44:09,836 INFO L270 CegarLoopResult]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2020-10-20 01:44:09,837 INFO L274 CegarLoopResult]: For program point L355-9(lines 355 359) no Hoare annotation was computed. [2020-10-20 01:44:09,837 INFO L270 CegarLoopResult]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2020-10-20 01:44:09,837 INFO L274 CegarLoopResult]: For program point L355-11(lines 355 359) no Hoare annotation was computed. [2020-10-20 01:44:09,837 INFO L274 CegarLoopResult]: For program point L355-12(lines 355 359) no Hoare annotation was computed. [2020-10-20 01:44:09,837 INFO L274 CegarLoopResult]: For program point L355-14(lines 355 359) no Hoare annotation was computed. [2020-10-20 01:44:09,837 INFO L274 CegarLoopResult]: For program point L355-15(lines 355 359) no Hoare annotation was computed. [2020-10-20 01:44:09,838 INFO L274 CegarLoopResult]: For program point L355-17(lines 355 359) no Hoare annotation was computed. [2020-10-20 01:44:09,838 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: false [2020-10-20 01:44:09,838 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-10-20 01:44:09,838 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-10-20 01:44:09,838 INFO L270 CegarLoopResult]: At program point L819-2(lines 819 833) the Hoare annotation is: false [2020-10-20 01:44:09,839 INFO L274 CegarLoopResult]: For program point L423(lines 423 427) no Hoare annotation was computed. [2020-10-20 01:44:09,839 INFO L270 CegarLoopResult]: At program point L423-2(lines 178 184) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:09,839 INFO L274 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-10-20 01:44:09,839 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:09,840 INFO L274 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2020-10-20 01:44:09,840 INFO L274 CegarLoopResult]: For program point L823-1(lines 178 184) no Hoare annotation was computed. [2020-10-20 01:44:09,840 INFO L270 CegarLoopResult]: At program point L361(lines 346 364) the Hoare annotation is: false [2020-10-20 01:44:09,840 INFO L270 CegarLoopResult]: At program point L361-1(lines 346 364) the Hoare annotation is: false [2020-10-20 01:44:09,840 INFO L270 CegarLoopResult]: At program point L361-2(lines 346 364) the Hoare annotation is: false [2020-10-20 01:44:09,841 INFO L270 CegarLoopResult]: At program point L361-3(lines 346 364) the Hoare annotation is: false [2020-10-20 01:44:09,841 INFO L270 CegarLoopResult]: At program point L361-4(lines 346 364) the Hoare annotation is: false [2020-10-20 01:44:09,841 INFO L270 CegarLoopResult]: At program point L361-5(lines 346 364) the Hoare annotation is: false [2020-10-20 01:44:09,841 INFO L274 CegarLoopResult]: For program point L395(lines 395 401) no Hoare annotation was computed. [2020-10-20 01:44:09,841 INFO L270 CegarLoopResult]: At program point L395-1(lines 395 401) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:09,842 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:09,842 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:09,842 INFO L270 CegarLoopResult]: At program point L297(lines 290 300) the Hoare annotation is: false [2020-10-20 01:44:09,842 INFO L270 CegarLoopResult]: At program point L297-1(lines 290 300) the Hoare annotation is: false [2020-10-20 01:44:09,842 INFO L270 CegarLoopResult]: At program point L297-2(lines 290 300) the Hoare annotation is: false [2020-10-20 01:44:09,843 INFO L270 CegarLoopResult]: At program point L133(lines 128 136) the Hoare annotation is: false [2020-10-20 01:44:09,843 INFO L270 CegarLoopResult]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2020-10-20 01:44:09,843 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-10-20 01:44:09,843 INFO L270 CegarLoopResult]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-10-20 01:44:09,843 INFO L270 CegarLoopResult]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2020-10-20 01:44:09,844 INFO L270 CegarLoopResult]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2020-10-20 01:44:09,844 INFO L270 CegarLoopResult]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2020-10-20 01:44:09,844 INFO L274 CegarLoopResult]: For program point L893(lines 893 900) no Hoare annotation was computed. [2020-10-20 01:44:09,844 INFO L277 CegarLoopResult]: At program point L893-1(lines 893 900) the Hoare annotation is: true [2020-10-20 01:44:09,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:09 BoogieIcfgContainer [2020-10-20 01:44:09,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:09,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:09,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:09,866 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:09,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:07" (3/4) ... [2020-10-20 01:44:09,870 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:09,905 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:09,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:09,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:09,909 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:09,909 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:09,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:09,911 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:09,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) [2020-10-20 01:44:09,958 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-20 01:44:10,082 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:10,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:10,084 INFO L168 Benchmark]: Toolchain (without parser) took 4376.05 ms. Allocated memory was 39.8 MB in the beginning and 60.3 MB in the end (delta: 20.4 MB). Free memory was 16.7 MB in the beginning and 28.7 MB in the end (delta: -12.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,084 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 30.9 MB. Free memory was 6.2 MB in the beginning and 6.2 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.73 ms. Allocated memory was 39.8 MB in the beginning and 41.4 MB in the end (delta: 1.6 MB). Free memory was 15.8 MB in the beginning and 16.5 MB in the end (delta: -769.7 kB). Peak memory consumption was 5.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.98 ms. Allocated memory is still 41.4 MB. Free memory was 16.5 MB in the beginning and 12.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,087 INFO L168 Benchmark]: Boogie Preprocessor took 57.65 ms. Allocated memory was 41.4 MB in the beginning and 41.9 MB in the end (delta: 524.3 kB). Free memory was 12.6 MB in the beginning and 24.3 MB in the end (delta: -11.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,088 INFO L168 Benchmark]: RCFGBuilder took 970.44 ms. Allocated memory was 41.9 MB in the beginning and 45.6 MB in the end (delta: 3.7 MB). Free memory was 24.3 MB in the beginning and 11.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 17.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,089 INFO L168 Benchmark]: TraceAbstraction took 2452.70 ms. Allocated memory was 45.6 MB in the beginning and 59.8 MB in the end (delta: 14.2 MB). Free memory was 10.7 MB in the beginning and 10.7 MB in the end (delta: 79.4 kB). Peak memory consumption was 16.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,089 INFO L168 Benchmark]: Witness Printer took 217.26 ms. Allocated memory was 59.8 MB in the beginning and 60.3 MB in the end (delta: 524.3 kB). Free memory was 10.7 MB in the beginning and 28.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 829.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 30.9 MB. Free memory was 6.2 MB in the beginning and 6.2 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 564.73 ms. Allocated memory was 39.8 MB in the beginning and 41.4 MB in the end (delta: 1.6 MB). Free memory was 15.8 MB in the beginning and 16.5 MB in the end (delta: -769.7 kB). Peak memory consumption was 5.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 100.98 ms. Allocated memory is still 41.4 MB. Free memory was 16.5 MB in the beginning and 12.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 57.65 ms. Allocated memory was 41.4 MB in the beginning and 41.9 MB in the end (delta: 524.3 kB). Free memory was 12.6 MB in the beginning and 24.3 MB in the end (delta: -11.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 970.44 ms. Allocated memory was 41.9 MB in the beginning and 45.6 MB in the end (delta: 3.7 MB). Free memory was 24.3 MB in the beginning and 11.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 17.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 2452.70 ms. Allocated memory was 45.6 MB in the beginning and 59.8 MB in the end (delta: 14.2 MB). Free memory was 10.7 MB in the beginning and 10.7 MB in the end (delta: 79.4 kB). Peak memory consumption was 16.2 MB. Max. memory is 14.3 GB. * Witness Printer took 217.26 ms. Allocated memory was 59.8 MB in the beginning and 60.3 MB in the end (delta: 524.3 kB). Free memory was 10.7 MB in the beginning and 28.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 829.7 kB. 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 436 SDtfs, 625 SDslu, 446 SDs, 0 SdLazy, 95 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 141 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 59 NumberOfFragments, 180 HoareAnnotationTreeSize, 43 FomulaSimplifications, 318 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 176 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 11242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 382 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 27/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...