./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product42.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 7e359c3e690bc34b8e145f12f51e57f299b8b0bc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:06:31,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:06:31,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:06:31,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:06:31,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:06:31,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:06:31,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:06:31,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:06:31,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:06:31,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:06:31,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:06:31,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:06:31,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:06:31,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:06:31,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:06:31,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:06:31,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:06:31,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:06:31,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:06:31,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:06:31,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:06:31,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:06:31,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:06:31,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:06:31,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:06:31,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:06:31,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:06:31,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:06:31,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:06:31,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:06:31,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:06:31,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:06:31,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:06:31,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:06:31,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:06:31,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:06:31,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:06:31,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:06:31,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:06:31,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:06:31,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:06:31,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:06:31,519 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:06:31,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:06:31,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:06:31,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:06:31,522 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:06:31,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:06:31,522 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:06:31,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:06:31,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:06:31,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:06:31,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:06:31,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:06:31,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:06:31,524 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:06:31,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:06:31,524 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:06:31,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:06:31,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:06:31,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:06:31,525 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:06:31,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:06:31,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:06:31,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:06:31,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:06:31,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:06:31,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:06:31,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:06:31,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:06:31,527 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:06:31,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e359c3e690bc34b8e145f12f51e57f299b8b0bc [2020-10-25 23:06:31,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:06:32,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:06:32,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:06:32,009 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:06:32,010 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:06:32,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2020-10-25 23:06:32,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9bf7a5bc/5c0490410bd74ed1a874bc29344722f2/FLAG52bdc5330 [2020-10-25 23:06:32,819 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:06:32,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2020-10-25 23:06:32,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9bf7a5bc/5c0490410bd74ed1a874bc29344722f2/FLAG52bdc5330 [2020-10-25 23:06:33,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9bf7a5bc/5c0490410bd74ed1a874bc29344722f2 [2020-10-25 23:06:33,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:06:33,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:06:33,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:06:33,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:06:33,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:06:33,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6621a898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33, skipping insertion in model container [2020-10-25 23:06:33,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:06:33,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:06:33,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:06:33,537 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:06:33,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:06:33,786 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:06:33,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33 WrapperNode [2020-10-25 23:06:33,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:06:33,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:06:33,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:06:33,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:06:33,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:06:33,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:06:33,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:06:33,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:06:33,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:34,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:34,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:34,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:06:34,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:06:34,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:06:34,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:06:34,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:06:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:06:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:06:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:06:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:06:35,228 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:06:35,229 INFO L298 CfgBuilder]: Removed 128 assume(true) statements. [2020-10-25 23:06:35,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:06:35 BoogieIcfgContainer [2020-10-25 23:06:35,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:06:35,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:06:35,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:06:35,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:06:35,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:06:33" (1/3) ... [2020-10-25 23:06:35,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603aa4e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:06:35, skipping insertion in model container [2020-10-25 23:06:35,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (2/3) ... [2020-10-25 23:06:35,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603aa4e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:06:35, skipping insertion in model container [2020-10-25 23:06:35,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:06:35" (3/3) ... [2020-10-25 23:06:35,243 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2020-10-25 23:06:35,256 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:06:35,263 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:06:35,278 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:06:35,309 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:06:35,309 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:06:35,315 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:06:35,315 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:06:35,315 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:06:35,316 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:06:35,316 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:06:35,318 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:06:35,338 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2020-10-25 23:06:35,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:06:35,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:35,347 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:35,347 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:35,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:35,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1018391180, now seen corresponding path program 1 times [2020-10-25 23:06:35,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:35,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924411770] [2020-10-25 23:06:35,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:35,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:35,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924411770] [2020-10-25 23:06:35,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:35,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:06:35,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201682619] [2020-10-25 23:06:35,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:06:35,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:35,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:06:35,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:06:35,749 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2020-10-25 23:06:35,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:35,782 INFO L93 Difference]: Finished difference Result 183 states and 272 transitions. [2020-10-25 23:06:35,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:06:35,784 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:06:35,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:35,796 INFO L225 Difference]: With dead ends: 183 [2020-10-25 23:06:35,797 INFO L226 Difference]: Without dead ends: 89 [2020-10-25 23:06:35,801 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:06:35,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-25 23:06:35,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-10-25 23:06:35,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-25 23:06:35,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2020-10-25 23:06:35,852 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2020-10-25 23:06:35,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:35,852 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2020-10-25 23:06:35,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:06:35,852 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2020-10-25 23:06:35,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:06:35,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:35,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:35,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:06:35,854 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:35,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:35,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1929421933, now seen corresponding path program 1 times [2020-10-25 23:06:35,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:35,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721410088] [2020-10-25 23:06:35,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:36,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:36,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721410088] [2020-10-25 23:06:36,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:36,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:06:36,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269960199] [2020-10-25 23:06:36,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:06:36,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:36,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:06:36,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:06:36,026 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand 3 states. [2020-10-25 23:06:36,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:36,040 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2020-10-25 23:06:36,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:06:36,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:06:36,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:36,043 INFO L225 Difference]: With dead ends: 89 [2020-10-25 23:06:36,043 INFO L226 Difference]: Without dead ends: 39 [2020-10-25 23:06:36,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:06:36,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-25 23:06:36,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-25 23:06:36,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-25 23:06:36,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2020-10-25 23:06:36,051 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2020-10-25 23:06:36,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:36,052 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2020-10-25 23:06:36,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:06:36,052 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2020-10-25 23:06:36,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:06:36,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:36,054 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:36,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:06:36,054 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:36,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:36,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1246279967, now seen corresponding path program 1 times [2020-10-25 23:06:36,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:36,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778186499] [2020-10-25 23:06:36,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:36,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778186499] [2020-10-25 23:06:36,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:36,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:06:36,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632164724] [2020-10-25 23:06:36,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:06:36,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:36,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:06:36,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:06:36,138 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2020-10-25 23:06:36,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:36,176 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2020-10-25 23:06:36,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:06:36,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-25 23:06:36,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:36,179 INFO L225 Difference]: With dead ends: 72 [2020-10-25 23:06:36,179 INFO L226 Difference]: Without dead ends: 39 [2020-10-25 23:06:36,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:06:36,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-25 23:06:36,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-25 23:06:36,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-25 23:06:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2020-10-25 23:06:36,187 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2020-10-25 23:06:36,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:36,188 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2020-10-25 23:06:36,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:06:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2020-10-25 23:06:36,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:06:36,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:36,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:36,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:06:36,190 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:36,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:36,191 INFO L82 PathProgramCache]: Analyzing trace with hash 607128155, now seen corresponding path program 1 times [2020-10-25 23:06:36,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:36,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104604896] [2020-10-25 23:06:36,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:36,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:36,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104604896] [2020-10-25 23:06:36,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:36,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:06:36,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871709569] [2020-10-25 23:06:36,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:06:36,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:36,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:06:36,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:06:36,271 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2020-10-25 23:06:36,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:36,306 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2020-10-25 23:06:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:06:36,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-25 23:06:36,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:36,308 INFO L225 Difference]: With dead ends: 95 [2020-10-25 23:06:36,308 INFO L226 Difference]: Without dead ends: 62 [2020-10-25 23:06:36,309 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 [2020-10-25 23:06:36,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-25 23:06:36,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-10-25 23:06:36,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-25 23:06:36,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2020-10-25 23:06:36,319 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2020-10-25 23:06:36,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:36,319 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2020-10-25 23:06:36,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:06:36,319 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2020-10-25 23:06:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-25 23:06:36,320 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:36,321 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] [2020-10-25 23:06:36,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:06:36,321 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:36,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:36,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1327381871, now seen corresponding path program 1 times [2020-10-25 23:06:36,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:36,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632358133] [2020-10-25 23:06:36,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:36,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:36,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632358133] [2020-10-25 23:06:36,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:36,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:06:36,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373804612] [2020-10-25 23:06:36,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:06:36,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:36,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:06:36,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:06:36,451 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand 5 states. [2020-10-25 23:06:36,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:36,585 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2020-10-25 23:06:36,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:06:36,586 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-25 23:06:36,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:36,588 INFO L225 Difference]: With dead ends: 314 [2020-10-25 23:06:36,589 INFO L226 Difference]: Without dead ends: 260 [2020-10-25 23:06:36,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:06:36,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-25 23:06:36,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2020-10-25 23:06:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-25 23:06:36,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2020-10-25 23:06:36,610 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2020-10-25 23:06:36,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:36,611 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2020-10-25 23:06:36,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:06:36,611 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2020-10-25 23:06:36,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:06:36,612 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:36,612 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] [2020-10-25 23:06:36,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:06:36,613 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:36,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:36,617 INFO L82 PathProgramCache]: Analyzing trace with hash -785377999, now seen corresponding path program 1 times [2020-10-25 23:06:36,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:36,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537733812] [2020-10-25 23:06:36,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:36,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537733812] [2020-10-25 23:06:36,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:36,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:06:36,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955963434] [2020-10-25 23:06:36,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:06:36,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:36,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:06:36,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:06:36,787 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand 4 states. [2020-10-25 23:06:36,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:36,949 INFO L93 Difference]: Finished difference Result 212 states and 299 transitions. [2020-10-25 23:06:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 23:06:36,951 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-25 23:06:36,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:36,954 INFO L225 Difference]: With dead ends: 212 [2020-10-25 23:06:36,954 INFO L226 Difference]: Without dead ends: 158 [2020-10-25 23:06:36,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:06:36,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-25 23:06:36,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2020-10-25 23:06:36,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-25 23:06:36,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2020-10-25 23:06:36,987 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 32 [2020-10-25 23:06:36,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:36,988 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2020-10-25 23:06:36,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:06:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2020-10-25 23:06:36,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:06:36,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:36,993 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] [2020-10-25 23:06:36,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 23:06:36,993 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:36,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:36,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1796495249, now seen corresponding path program 1 times [2020-10-25 23:06:36,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:36,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103536385] [2020-10-25 23:06:36,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:37,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103536385] [2020-10-25 23:06:37,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:37,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:06:37,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181258285] [2020-10-25 23:06:37,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:06:37,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:37,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:06:37,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:06:37,102 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 4 states. [2020-10-25 23:06:37,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:37,164 INFO L93 Difference]: Finished difference Result 412 states and 582 transitions. [2020-10-25 23:06:37,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:06:37,164 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-25 23:06:37,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:37,169 INFO L225 Difference]: With dead ends: 412 [2020-10-25 23:06:37,169 INFO L226 Difference]: Without dead ends: 308 [2020-10-25 23:06:37,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:06:37,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-10-25 23:06:37,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 155. [2020-10-25 23:06:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-25 23:06:37,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 214 transitions. [2020-10-25 23:06:37,198 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 214 transitions. Word has length 32 [2020-10-25 23:06:37,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:37,198 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 214 transitions. [2020-10-25 23:06:37,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:06:37,199 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2020-10-25 23:06:37,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:06:37,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:37,200 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] [2020-10-25 23:06:37,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:06:37,200 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:37,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:37,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1538329811, now seen corresponding path program 1 times [2020-10-25 23:06:37,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:37,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206828973] [2020-10-25 23:06:37,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:37,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:37,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206828973] [2020-10-25 23:06:37,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:37,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:06:37,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899468978] [2020-10-25 23:06:37,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:06:37,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:37,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:06:37,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:06:37,282 INFO L87 Difference]: Start difference. First operand 155 states and 214 transitions. Second operand 6 states. [2020-10-25 23:06:37,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:37,411 INFO L93 Difference]: Finished difference Result 524 states and 737 transitions. [2020-10-25 23:06:37,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:06:37,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-10-25 23:06:37,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:37,415 INFO L225 Difference]: With dead ends: 524 [2020-10-25 23:06:37,415 INFO L226 Difference]: Without dead ends: 375 [2020-10-25 23:06:37,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-25 23:06:37,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-10-25 23:06:37,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 161. [2020-10-25 23:06:37,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-25 23:06:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 219 transitions. [2020-10-25 23:06:37,435 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 219 transitions. Word has length 32 [2020-10-25 23:06:37,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:37,436 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 219 transitions. [2020-10-25 23:06:37,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:06:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2020-10-25 23:06:37,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-25 23:06:37,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:37,438 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] [2020-10-25 23:06:37,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:06:37,438 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:37,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:37,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1048057311, now seen corresponding path program 1 times [2020-10-25 23:06:37,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:37,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68223860] [2020-10-25 23:06:37,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:37,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:37,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68223860] [2020-10-25 23:06:37,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:37,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:06:37,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050220720] [2020-10-25 23:06:37,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:06:37,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:37,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:06:37,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:06:37,522 INFO L87 Difference]: Start difference. First operand 161 states and 219 transitions. Second operand 6 states. [2020-10-25 23:06:37,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:37,844 INFO L93 Difference]: Finished difference Result 1154 states and 1559 transitions. [2020-10-25 23:06:37,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-25 23:06:37,845 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-10-25 23:06:37,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:37,851 INFO L225 Difference]: With dead ends: 1154 [2020-10-25 23:06:37,851 INFO L226 Difference]: Without dead ends: 999 [2020-10-25 23:06:37,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-25 23:06:37,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-10-25 23:06:37,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 302. [2020-10-25 23:06:37,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-25 23:06:37,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2020-10-25 23:06:37,895 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 35 [2020-10-25 23:06:37,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:37,896 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2020-10-25 23:06:37,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:06:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2020-10-25 23:06:37,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-25 23:06:37,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:37,898 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] [2020-10-25 23:06:37,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:06:37,899 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:37,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:37,900 INFO L82 PathProgramCache]: Analyzing trace with hash -367998941, now seen corresponding path program 1 times [2020-10-25 23:06:37,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:37,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688265585] [2020-10-25 23:06:37,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:37,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688265585] [2020-10-25 23:06:37,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:37,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:06:37,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729768177] [2020-10-25 23:06:37,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:06:37,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:37,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:06:37,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:06:37,981 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand 6 states. [2020-10-25 23:06:38,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:38,239 INFO L93 Difference]: Finished difference Result 687 states and 937 transitions. [2020-10-25 23:06:38,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:06:38,243 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-10-25 23:06:38,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:38,244 INFO L225 Difference]: With dead ends: 687 [2020-10-25 23:06:38,245 INFO L226 Difference]: Without dead ends: 121 [2020-10-25 23:06:38,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-25 23:06:38,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-10-25 23:06:38,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2020-10-25 23:06:38,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-25 23:06:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2020-10-25 23:06:38,257 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 35 [2020-10-25 23:06:38,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:38,258 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2020-10-25 23:06:38,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:06:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2020-10-25 23:06:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-25 23:06:38,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:38,259 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] [2020-10-25 23:06:38,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 23:06:38,259 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:38,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:38,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1326928741, now seen corresponding path program 1 times [2020-10-25 23:06:38,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:38,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254571299] [2020-10-25 23:06:38,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:38,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254571299] [2020-10-25 23:06:38,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:38,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-25 23:06:38,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615064141] [2020-10-25 23:06:38,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 23:06:38,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:38,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 23:06:38,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:06:38,338 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand 7 states. [2020-10-25 23:06:38,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:38,815 INFO L93 Difference]: Finished difference Result 387 states and 459 transitions. [2020-10-25 23:06:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-25 23:06:38,816 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-10-25 23:06:38,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:38,817 INFO L225 Difference]: With dead ends: 387 [2020-10-25 23:06:38,817 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:06:38,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-10-25 23:06:38,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:06:38,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:06:38,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:06:38,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:06:38,819 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2020-10-25 23:06:38,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:38,819 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:06:38,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 23:06:38,820 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:06:38,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:06:38,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 23:06:38,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:06:39,109 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 114 [2020-10-25 23:06:39,292 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2020-10-25 23:06:39,638 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 118 [2020-10-25 23:06:39,909 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 102 [2020-10-25 23:06:40,067 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 96 [2020-10-25 23:06:40,349 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2020-10-25 23:06:40,892 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2020-10-25 23:06:41,191 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2020-10-25 23:06:41,458 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-10-25 23:06:42,034 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 28 [2020-10-25 23:06:42,267 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2020-10-25 23:06:42,479 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2020-10-25 23:06:42,890 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 28 [2020-10-25 23:06:43,302 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 34 [2020-10-25 23:06:43,620 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 45 [2020-10-25 23:06:43,880 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2020-10-25 23:06:44,231 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 42 [2020-10-25 23:06:44,342 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:06:44,342 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:06:44,342 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:06:44,342 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:06:44,342 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:06:44,342 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-25 23:06:44,342 INFO L274 CegarLoopResult]: For program point L499-1(line 499) no Hoare annotation was computed. [2020-10-25 23:06:44,342 INFO L274 CegarLoopResult]: For program point L499-2(line 499) no Hoare annotation was computed. [2020-10-25 23:06:44,343 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-10-25 23:06:44,343 INFO L270 CegarLoopResult]: At program point L236(lines 236 242) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse1 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (<= 2 ~waterLevel~0) .cse2 .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse2) .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2020-10-25 23:06:44,343 INFO L270 CegarLoopResult]: At program point L236-1(lines 236 242) the Hoare annotation is: false [2020-10-25 23:06:44,344 INFO L270 CegarLoopResult]: At program point L236-2(lines 236 242) the Hoare annotation is: false [2020-10-25 23:06:44,344 INFO L274 CegarLoopResult]: For program point L484(lines 484 490) no Hoare annotation was computed. [2020-10-25 23:06:44,344 INFO L274 CegarLoopResult]: For program point L484-1(lines 484 490) no Hoare annotation was computed. [2020-10-25 23:06:44,344 INFO L274 CegarLoopResult]: For program point L484-2(lines 484 490) no Hoare annotation was computed. [2020-10-25 23:06:44,344 INFO L274 CegarLoopResult]: For program point L187(lines 187 200) no Hoare annotation was computed. [2020-10-25 23:06:44,344 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-25 23:06:44,344 INFO L270 CegarLoopResult]: At program point L534(lines 529 537) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:06:44,344 INFO L274 CegarLoopResult]: For program point L914(lines 914 934) no Hoare annotation was computed. [2020-10-25 23:06:44,344 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 934) no Hoare annotation was computed. [2020-10-25 23:06:44,345 INFO L274 CegarLoopResult]: For program point L914-4(lines 914 934) no Hoare annotation was computed. [2020-10-25 23:06:44,345 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:06:44,345 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-10-25 23:06:44,345 INFO L270 CegarLoopResult]: At program point L205(lines 156 206) the Hoare annotation is: false [2020-10-25 23:06:44,348 INFO L270 CegarLoopResult]: At program point L387(lines 372 390) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse8 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse9 (= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse4 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse10 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse4 .cse10 .cse6 .cse7))) [2020-10-25 23:06:44,349 INFO L270 CegarLoopResult]: At program point L387-1(lines 372 390) the Hoare annotation is: false [2020-10-25 23:06:44,349 INFO L270 CegarLoopResult]: At program point L387-2(lines 372 390) the Hoare annotation is: false [2020-10-25 23:06:44,349 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:06:44,349 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-25 23:06:44,349 INFO L274 CegarLoopResult]: For program point L58-1(lines 229 235) no Hoare annotation was computed. [2020-10-25 23:06:44,350 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-10-25 23:06:44,350 INFO L270 CegarLoopResult]: At program point L323(lines 316 326) the Hoare annotation is: (let ((.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (not .cse13)) (.cse11 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse14 (= ~waterLevel~0 1)) (.cse4 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0))) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse0 .cse2 .cse3 .cse4 .cse5 .cse12 .cse7 .cse13 .cse8 .cse9 .cse10) (and .cse14 .cse1 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse11 .cse14 .cse4 .cse12 .cse5 .cse13 .cse8 .cse9)))) [2020-10-25 23:06:44,350 INFO L270 CegarLoopResult]: At program point L323-1(lines 316 326) the Hoare annotation is: false [2020-10-25 23:06:44,351 INFO L270 CegarLoopResult]: At program point L323-2(lines 316 326) the Hoare annotation is: false [2020-10-25 23:06:44,351 INFO L274 CegarLoopResult]: For program point L158(lines 157 204) no Hoare annotation was computed. [2020-10-25 23:06:44,351 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:06:44,351 INFO L270 CegarLoopResult]: At program point L489(lines 480 493) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse4 .cse5) (and .cse6 .cse2 .cse1 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5))) [2020-10-25 23:06:44,352 INFO L270 CegarLoopResult]: At program point L489-1(lines 480 493) the Hoare annotation is: false [2020-10-25 23:06:44,352 INFO L270 CegarLoopResult]: At program point L489-2(lines 480 493) the Hoare annotation is: false [2020-10-25 23:06:44,352 INFO L274 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2020-10-25 23:06:44,353 INFO L274 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-10-25 23:06:44,353 INFO L274 CegarLoopResult]: For program point L407-3(lines 407 411) no Hoare annotation was computed. [2020-10-25 23:06:44,353 INFO L274 CegarLoopResult]: For program point L407-6(lines 407 411) no Hoare annotation was computed. [2020-10-25 23:06:44,356 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:06:44,356 INFO L274 CegarLoopResult]: For program point L920(lines 920 933) no Hoare annotation was computed. [2020-10-25 23:06:44,356 INFO L270 CegarLoopResult]: At program point L920-1(lines 1 937) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse0 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse5) .cse3 .cse6) (and .cse1 .cse3 (= ~methaneLevelCritical~0 0) .cse5 .cse6) (and .cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))))) [2020-10-25 23:06:44,356 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 933) no Hoare annotation was computed. [2020-10-25 23:06:44,357 INFO L270 CegarLoopResult]: At program point L920-3(lines 1 937) the Hoare annotation is: false [2020-10-25 23:06:44,357 INFO L274 CegarLoopResult]: For program point L920-4(lines 920 933) no Hoare annotation was computed. [2020-10-25 23:06:44,357 INFO L270 CegarLoopResult]: At program point L920-5(lines 1 937) the Hoare annotation is: false [2020-10-25 23:06:44,357 INFO L274 CegarLoopResult]: For program point L177(lines 177 183) no Hoare annotation was computed. [2020-10-25 23:06:44,358 INFO L270 CegarLoopResult]: At program point L177-1(lines 177 183) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2020-10-25 23:06:44,358 INFO L274 CegarLoopResult]: For program point L261(lines 261 278) no Hoare annotation was computed. [2020-10-25 23:06:44,358 INFO L274 CegarLoopResult]: For program point L261-1(lines 261 278) no Hoare annotation was computed. [2020-10-25 23:06:44,358 INFO L274 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2020-10-25 23:06:44,361 INFO L274 CegarLoopResult]: For program point L261-2(lines 261 278) no Hoare annotation was computed. [2020-10-25 23:06:44,361 INFO L270 CegarLoopResult]: At program point L195-2(lines 229 235) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2020-10-25 23:06:44,362 INFO L270 CegarLoopResult]: At program point L476(lines 471 479) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse0) .cse1 .cse2) (and (= ~waterLevel~0 1) .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 1)))) [2020-10-25 23:06:44,362 INFO L270 CegarLoopResult]: At program point L476-1(lines 471 479) the Hoare annotation is: false [2020-10-25 23:06:44,362 INFO L270 CegarLoopResult]: At program point L476-2(lines 471 479) the Hoare annotation is: false [2020-10-25 23:06:44,362 INFO L270 CegarLoopResult]: At program point L526(lines 1 937) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:06:44,362 INFO L270 CegarLoopResult]: At program point L229(lines 228 247) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2020-10-25 23:06:44,363 INFO L274 CegarLoopResult]: For program point L229-1(lines 229 235) no Hoare annotation was computed. [2020-10-25 23:06:44,363 INFO L270 CegarLoopResult]: At program point L229-2(lines 228 247) the Hoare annotation is: false [2020-10-25 23:06:44,363 INFO L270 CegarLoopResult]: At program point L229-3(lines 228 247) the Hoare annotation is: false [2020-10-25 23:06:44,364 INFO L270 CegarLoopResult]: At program point L444(lines 439 447) the Hoare annotation is: (let ((.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse11 (= ~waterLevel~0 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (not .cse13)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse4 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0))) (.cse5 (= 1 ~systemActive~0)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse4 .cse12 .cse5 .cse13 .cse8 .cse9) (and .cse11 .cse1 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse12 .cse7 .cse13 .cse8 .cse9 .cse10)))) [2020-10-25 23:06:44,364 INFO L270 CegarLoopResult]: At program point L444-1(lines 439 447) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse5 (= ~waterLevel~0 1)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not .cse6)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse5 .cse1 (= ~methaneLevelCritical~0 0) .cse6 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2020-10-25 23:06:44,364 INFO L270 CegarLoopResult]: At program point L444-2(lines 439 447) the Hoare annotation is: false [2020-10-25 23:06:44,364 INFO L270 CegarLoopResult]: At program point L444-3(lines 439 447) the Hoare annotation is: false [2020-10-25 23:06:44,365 INFO L270 CegarLoopResult]: At program point L444-4(lines 439 447) the Hoare annotation is: false [2020-10-25 23:06:44,365 INFO L270 CegarLoopResult]: At program point L444-5(lines 439 447) the Hoare annotation is: false [2020-10-25 23:06:44,365 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:06:44,365 INFO L274 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-10-25 23:06:44,365 INFO L274 CegarLoopResult]: For program point L924-2(lines 924 930) no Hoare annotation was computed. [2020-10-25 23:06:44,365 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:06:44,366 INFO L274 CegarLoopResult]: For program point L924-4(lines 924 930) no Hoare annotation was computed. [2020-10-25 23:06:44,366 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-25 23:06:44,366 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-10-25 23:06:44,366 INFO L274 CegarLoopResult]: For program point L298(lines 298 304) no Hoare annotation was computed. [2020-10-25 23:06:44,366 INFO L274 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-10-25 23:06:44,366 INFO L274 CegarLoopResult]: For program point L265-1(lines 265 273) no Hoare annotation was computed. [2020-10-25 23:06:44,367 INFO L274 CegarLoopResult]: For program point L298-2(lines 298 304) no Hoare annotation was computed. [2020-10-25 23:06:44,367 INFO L274 CegarLoopResult]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2020-10-25 23:06:44,367 INFO L274 CegarLoopResult]: For program point L298-4(lines 298 304) no Hoare annotation was computed. [2020-10-25 23:06:44,367 INFO L274 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-10-25 23:06:44,367 INFO L274 CegarLoopResult]: For program point L381-2(lines 381 385) no Hoare annotation was computed. [2020-10-25 23:06:44,367 INFO L274 CegarLoopResult]: For program point L381-3(lines 381 385) no Hoare annotation was computed. [2020-10-25 23:06:44,367 INFO L274 CegarLoopResult]: For program point L381-5(lines 381 385) no Hoare annotation was computed. [2020-10-25 23:06:44,368 INFO L274 CegarLoopResult]: For program point L381-6(lines 381 385) no Hoare annotation was computed. [2020-10-25 23:06:44,368 INFO L274 CegarLoopResult]: For program point L381-8(lines 381 385) no Hoare annotation was computed. [2020-10-25 23:06:44,368 INFO L274 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-10-25 23:06:44,368 INFO L270 CegarLoopResult]: At program point L332(lines 327 335) the Hoare annotation is: (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:06:44,368 INFO L270 CegarLoopResult]: At program point L332-1(lines 327 335) the Hoare annotation is: false [2020-10-25 23:06:44,369 INFO L270 CegarLoopResult]: At program point L332-2(lines 327 335) the Hoare annotation is: false [2020-10-25 23:06:44,369 INFO L274 CegarLoopResult]: For program point L167(lines 167 173) no Hoare annotation was computed. [2020-10-25 23:06:44,369 INFO L270 CegarLoopResult]: At program point L167-1(lines 167 173) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse8 (<= 2 ~waterLevel~0)) (.cse1 (= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse7 .cse8 .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse5) .cse3 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse8 .cse5 .cse6) (and .cse1 .cse3 .cse7 .cse5 .cse6))) [2020-10-25 23:06:44,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:06:44 BoogieIcfgContainer [2020-10-25 23:06:44,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:06:44,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:06:44,405 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:06:44,405 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:06:44,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:06:35" (3/4) ... [2020-10-25 23:06:44,410 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:06:44,428 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:06:44,429 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:06:44,430 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:06:44,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:06:44,432 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:06:44,433 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:06:44,434 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:06:44,465 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(tmp == 0) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-10-25 23:06:44,466 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((((!(tmp == 0) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:06:44,467 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:06:44,468 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:06:44,469 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:06:44,470 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:06:44,471 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:06:44,472 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 [2020-10-25 23:06:44,472 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((waterLevel == 1 && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-10-25 23:06:44,473 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:06:44,554 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:06:44,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:06:44,556 INFO L168 Benchmark]: Toolchain (without parser) took 11502.06 ms. Allocated memory was 46.1 MB in the beginning and 176.2 MB in the end (delta: 130.0 MB). Free memory was 22.6 MB in the beginning and 58.9 MB in the end (delta: -36.3 MB). Peak memory consumption was 93.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:44,557 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 46.1 MB. Free memory was 32.9 MB in the beginning and 32.8 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:06:44,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.02 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.9 MB in the beginning and 35.0 MB in the end (delta: -13.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:44,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.90 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 31.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:44,558 INFO L168 Benchmark]: Boogie Preprocessor took 88.86 ms. Allocated memory is still 56.6 MB. Free memory was 31.6 MB in the beginning and 29.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:44,559 INFO L168 Benchmark]: RCFGBuilder took 1202.94 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 29.1 MB in the beginning and 45.1 MB in the end (delta: -16.0 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:44,560 INFO L168 Benchmark]: TraceAbstraction took 9170.06 ms. Allocated memory was 69.2 MB in the beginning and 176.2 MB in the end (delta: 107.0 MB). Free memory was 44.6 MB in the beginning and 68.3 MB in the end (delta: -23.7 MB). Peak memory consumption was 86.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:44,560 INFO L168 Benchmark]: Witness Printer took 150.28 ms. Allocated memory is still 176.2 MB. Free memory was 68.3 MB in the beginning and 58.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:44,563 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 46.1 MB. Free memory was 32.9 MB in the beginning and 32.8 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 729.02 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.9 MB in the beginning and 35.0 MB in the end (delta: -13.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 148.90 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 31.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.86 ms. Allocated memory is still 56.6 MB. Free memory was 31.6 MB in the beginning and 29.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1202.94 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 29.1 MB in the beginning and 45.1 MB in the end (delta: -16.0 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9170.06 ms. Allocated memory was 69.2 MB in the beginning and 176.2 MB in the end (delta: 107.0 MB). Free memory was 44.6 MB in the beginning and 68.3 MB in the end (delta: -23.7 MB). Peak memory consumption was 86.3 MB. Max. memory is 16.1 GB. * Witness Printer took 150.28 ms. Allocated memory is still 176.2 MB. Free memory was 68.3 MB in the beginning and 58.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((waterLevel == 1 && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((((!(tmp == 0) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(tmp == 0) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1030 SDtfs, 1438 SDslu, 1929 SDs, 0 SdLazy, 279 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 40 PreInvPairs, 279 NumberOfFragments, 1140 HoareAnnotationTreeSize, 40 FomulaSimplifications, 318668 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 40 FomulaSimplificationsInter, 25586 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 17496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...