./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product60.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_spec1_product60.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 cd72c57a95195c6db69021eb34c8125c134b3812 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:04:55,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:04:55,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:04:55,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:04:55,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:04:55,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:04:55,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:04:55,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:04:55,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:04:55,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:04:55,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:04:55,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:04:55,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:04:55,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:04:55,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:04:55,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:04:55,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:04:55,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:04:55,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:04:55,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:04:55,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:04:55,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:04:55,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:04:55,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:04:55,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:04:55,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:04:55,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:04:55,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:04:55,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:04:55,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:04:55,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:04:55,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:04:55,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:04:55,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:04:55,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:04:55,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:04:55,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:04:55,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:04:55,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:04:55,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:04:55,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:04:55,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:04:55,696 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:04:55,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:04:55,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:04:55,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:04:55,699 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:04:55,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:04:55,710 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:04:55,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:04:55,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:04:55,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:04:55,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:04:55,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:04:55,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:04:55,712 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:04:55,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:04:55,712 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:04:55,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:04:55,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:04:55,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:04:55,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:04:55,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:04:55,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:04:55,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:04:55,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:04:55,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:04:55,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:04:55,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:04:55,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:04:55,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:04:55,715 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd72c57a95195c6db69021eb34c8125c134b3812 [2020-10-25 23:04:56,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:04:56,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:04:56,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:04:56,185 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:04:56,187 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:04:56,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2020-10-25 23:04:56,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78e84c632/56d8258b87064862aad298a1e459c1f8/FLAG09d2e09ba [2020-10-25 23:04:57,013 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:04:57,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2020-10-25 23:04:57,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78e84c632/56d8258b87064862aad298a1e459c1f8/FLAG09d2e09ba [2020-10-25 23:04:57,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78e84c632/56d8258b87064862aad298a1e459c1f8 [2020-10-25 23:04:57,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:04:57,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:04:57,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:57,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:04:57,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:04:57,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:57" (1/1) ... [2020-10-25 23:04:57,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39355765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:57, skipping insertion in model container [2020-10-25 23:04:57,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:57" (1/1) ... [2020-10-25 23:04:57,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:04:57,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:04:57,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:57,690 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:04:57,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:57,821 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:04:57,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:57 WrapperNode [2020-10-25 23:04:57,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:57,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:57,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:04:57,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:04:57,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:57" (1/1) ... [2020-10-25 23:04:57,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:57" (1/1) ... [2020-10-25 23:04:57,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:57,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:04:57,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:04:57,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:04:57,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:57" (1/1) ... [2020-10-25 23:04:57,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:57" (1/1) ... [2020-10-25 23:04:57,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:57" (1/1) ... [2020-10-25 23:04:57,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:57" (1/1) ... [2020-10-25 23:04:57,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:57" (1/1) ... [2020-10-25 23:04:57,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:57" (1/1) ... [2020-10-25 23:04:57,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:57" (1/1) ... [2020-10-25 23:04:57,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:04:57,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:04:57,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:04:57,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:04:57,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:57" (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 23:04:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:04:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:04:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:04:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:04:59,055 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:04:59,056 INFO L298 CfgBuilder]: Removed 204 assume(true) statements. [2020-10-25 23:04:59,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:59 BoogieIcfgContainer [2020-10-25 23:04:59,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:04:59,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:04:59,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:04:59,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:04:59,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:04:57" (1/3) ... [2020-10-25 23:04:59,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b03c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:59, skipping insertion in model container [2020-10-25 23:04:59,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:57" (2/3) ... [2020-10-25 23:04:59,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b03c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:59, skipping insertion in model container [2020-10-25 23:04:59,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:59" (3/3) ... [2020-10-25 23:04:59,069 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2020-10-25 23:04:59,081 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:04:59,087 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:04:59,101 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:04:59,130 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:04:59,131 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:04:59,131 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:04:59,131 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:04:59,131 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:04:59,132 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:04:59,132 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:04:59,132 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:04:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2020-10-25 23:04:59,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:04:59,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:59,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:59,162 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:59,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:59,169 INFO L82 PathProgramCache]: Analyzing trace with hash -738998692, now seen corresponding path program 1 times [2020-10-25 23:04:59,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:59,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548510525] [2020-10-25 23:04:59,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:59,487 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 23:04:59,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548510525] [2020-10-25 23:04:59,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:59,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:04:59,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338054749] [2020-10-25 23:04:59,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:04:59,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:59,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:04:59,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:04:59,511 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2020-10-25 23:04:59,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:59,549 INFO L93 Difference]: Finished difference Result 271 states and 404 transitions. [2020-10-25 23:04:59,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:04:59,551 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:04:59,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:59,564 INFO L225 Difference]: With dead ends: 271 [2020-10-25 23:04:59,564 INFO L226 Difference]: Without dead ends: 133 [2020-10-25 23:04:59,568 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 23:04:59,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-25 23:04:59,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-10-25 23:04:59,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-25 23:04:59,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2020-10-25 23:04:59,635 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2020-10-25 23:04:59,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:59,636 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2020-10-25 23:04:59,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:04:59,637 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-10-25 23:04:59,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:04:59,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:59,640 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:59,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:04:59,641 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:59,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:59,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1785755589, now seen corresponding path program 1 times [2020-10-25 23:04:59,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:59,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534908907] [2020-10-25 23:04:59,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:59,770 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 23:04:59,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534908907] [2020-10-25 23:04:59,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:59,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:04:59,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144034816] [2020-10-25 23:04:59,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:04:59,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:59,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:04:59,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:59,775 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2020-10-25 23:04:59,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:59,791 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-10-25 23:04:59,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:04:59,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:04:59,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:59,793 INFO L225 Difference]: With dead ends: 133 [2020-10-25 23:04:59,793 INFO L226 Difference]: Without dead ends: 55 [2020-10-25 23:04:59,794 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 23:04:59,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-25 23:04:59,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-25 23:04:59,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-25 23:04:59,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-10-25 23:04:59,801 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2020-10-25 23:04:59,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:59,802 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-10-25 23:04:59,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:04:59,802 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-10-25 23:04:59,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:04:59,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:59,804 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:59,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:04:59,804 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:59,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:59,805 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2020-10-25 23:04:59,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:59,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063663501] [2020-10-25 23:04:59,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:59,908 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 23:04:59,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063663501] [2020-10-25 23:04:59,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:59,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:04:59,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855776635] [2020-10-25 23:04:59,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:04:59,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:59,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:04:59,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:59,912 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2020-10-25 23:04:59,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:59,951 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2020-10-25 23:04:59,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:04:59,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-25 23:04:59,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:59,954 INFO L225 Difference]: With dead ends: 153 [2020-10-25 23:04:59,954 INFO L226 Difference]: Without dead ends: 104 [2020-10-25 23:04:59,955 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 23:04:59,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-25 23:04:59,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2020-10-25 23:04:59,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-25 23:04:59,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2020-10-25 23:04:59,970 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 22 [2020-10-25 23:04:59,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:59,971 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2020-10-25 23:04:59,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:04:59,971 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2020-10-25 23:04:59,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:04:59,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:59,973 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 23:04:59,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:04:59,973 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:59,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:59,974 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2020-10-25 23:04:59,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:59,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769187856] [2020-10-25 23:04:59,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:00,093 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 23:05:00,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769187856] [2020-10-25 23:05:00,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:00,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:00,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290817876] [2020-10-25 23:05:00,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:00,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:00,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:00,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:00,097 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand 3 states. [2020-10-25 23:05:00,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:00,140 INFO L93 Difference]: Finished difference Result 235 states and 350 transitions. [2020-10-25 23:05:00,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:00,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-25 23:05:00,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:00,145 INFO L225 Difference]: With dead ends: 235 [2020-10-25 23:05:00,145 INFO L226 Difference]: Without dead ends: 141 [2020-10-25 23:05:00,146 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 23:05:00,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-10-25 23:05:00,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2020-10-25 23:05:00,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-25 23:05:00,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2020-10-25 23:05:00,164 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 24 [2020-10-25 23:05:00,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:00,164 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2020-10-25 23:05:00,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:00,165 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2020-10-25 23:05:00,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:05:00,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:00,166 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 23:05:00,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:00,167 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:00,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:00,167 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2020-10-25 23:05:00,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:00,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904986923] [2020-10-25 23:05:00,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:00,250 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 23:05:00,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904986923] [2020-10-25 23:05:00,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:00,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:00,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234660278] [2020-10-25 23:05:00,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:00,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:00,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:00,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:00,253 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand 5 states. [2020-10-25 23:05:00,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:00,384 INFO L93 Difference]: Finished difference Result 747 states and 1098 transitions. [2020-10-25 23:05:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:00,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-25 23:05:00,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:00,389 INFO L225 Difference]: With dead ends: 747 [2020-10-25 23:05:00,390 INFO L226 Difference]: Without dead ends: 614 [2020-10-25 23:05:00,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:05:00,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2020-10-25 23:05:00,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 262. [2020-10-25 23:05:00,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-25 23:05:00,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 375 transitions. [2020-10-25 23:05:00,443 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 375 transitions. Word has length 25 [2020-10-25 23:05:00,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:00,443 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 375 transitions. [2020-10-25 23:05:00,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:00,444 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 375 transitions. [2020-10-25 23:05:00,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:00,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:00,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:00,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:00,448 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:00,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:00,449 INFO L82 PathProgramCache]: Analyzing trace with hash 176152288, now seen corresponding path program 1 times [2020-10-25 23:05:00,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:00,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149879987] [2020-10-25 23:05:00,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:00,560 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 23:05:00,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149879987] [2020-10-25 23:05:00,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:00,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:00,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943908482] [2020-10-25 23:05:00,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:00,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:00,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:00,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:00,563 INFO L87 Difference]: Start difference. First operand 262 states and 375 transitions. Second operand 5 states. [2020-10-25 23:05:00,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:00,712 INFO L93 Difference]: Finished difference Result 768 states and 1102 transitions. [2020-10-25 23:05:00,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:05:00,712 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-25 23:05:00,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:00,717 INFO L225 Difference]: With dead ends: 768 [2020-10-25 23:05:00,717 INFO L226 Difference]: Without dead ends: 766 [2020-10-25 23:05:00,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:05:00,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2020-10-25 23:05:00,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 262. [2020-10-25 23:05:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-25 23:05:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 373 transitions. [2020-10-25 23:05:00,743 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 373 transitions. Word has length 26 [2020-10-25 23:05:00,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:00,743 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 373 transitions. [2020-10-25 23:05:00,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2020-10-25 23:05:00,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:05:00,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:00,746 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:00,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 23:05:00,746 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:00,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:00,747 INFO L82 PathProgramCache]: Analyzing trace with hash -531386443, now seen corresponding path program 1 times [2020-10-25 23:05:00,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:00,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584095328] [2020-10-25 23:05:00,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:00,807 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 23:05:00,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584095328] [2020-10-25 23:05:00,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:00,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:00,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327917506] [2020-10-25 23:05:00,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:00,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:00,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:00,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:00,809 INFO L87 Difference]: Start difference. First operand 262 states and 373 transitions. Second operand 5 states. [2020-10-25 23:05:00,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:00,905 INFO L93 Difference]: Finished difference Result 698 states and 980 transitions. [2020-10-25 23:05:00,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:05:00,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-25 23:05:00,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:00,908 INFO L225 Difference]: With dead ends: 698 [2020-10-25 23:05:00,908 INFO L226 Difference]: Without dead ends: 442 [2020-10-25 23:05:00,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:05:00,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-10-25 23:05:00,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 286. [2020-10-25 23:05:00,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-10-25 23:05:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 397 transitions. [2020-10-25 23:05:00,932 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 397 transitions. Word has length 34 [2020-10-25 23:05:00,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:00,933 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 397 transitions. [2020-10-25 23:05:00,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:00,933 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 397 transitions. [2020-10-25 23:05:00,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:05:00,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:00,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:00,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:05:00,935 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:00,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:00,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1118192457, now seen corresponding path program 1 times [2020-10-25 23:05:00,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:00,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297252623] [2020-10-25 23:05:00,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:00,990 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 23:05:00,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297252623] [2020-10-25 23:05:00,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:00,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:00,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449656465] [2020-10-25 23:05:00,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:05:00,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:00,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:05:00,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:05:00,993 INFO L87 Difference]: Start difference. First operand 286 states and 397 transitions. Second operand 4 states. [2020-10-25 23:05:01,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:01,072 INFO L93 Difference]: Finished difference Result 686 states and 942 transitions. [2020-10-25 23:05:01,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 23:05:01,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-10-25 23:05:01,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:01,075 INFO L225 Difference]: With dead ends: 686 [2020-10-25 23:05:01,075 INFO L226 Difference]: Without dead ends: 406 [2020-10-25 23:05:01,076 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 23:05:01,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-10-25 23:05:01,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 302. [2020-10-25 23:05:01,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-25 23:05:01,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 413 transitions. [2020-10-25 23:05:01,108 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 413 transitions. Word has length 34 [2020-10-25 23:05:01,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:01,108 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 413 transitions. [2020-10-25 23:05:01,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:05:01,109 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 413 transitions. [2020-10-25 23:05:01,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:05:01,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:01,110 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:01,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:05:01,111 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:01,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:01,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1896911161, now seen corresponding path program 1 times [2020-10-25 23:05:01,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:01,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922478858] [2020-10-25 23:05:01,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:01,159 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 23:05:01,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922478858] [2020-10-25 23:05:01,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:01,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:01,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968570036] [2020-10-25 23:05:01,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:01,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:01,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:01,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:01,161 INFO L87 Difference]: Start difference. First operand 302 states and 413 transitions. Second operand 3 states. [2020-10-25 23:05:01,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:01,213 INFO L93 Difference]: Finished difference Result 702 states and 954 transitions. [2020-10-25 23:05:01,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:01,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-25 23:05:01,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:01,217 INFO L225 Difference]: With dead ends: 702 [2020-10-25 23:05:01,217 INFO L226 Difference]: Without dead ends: 406 [2020-10-25 23:05:01,218 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 23:05:01,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-10-25 23:05:01,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2020-10-25 23:05:01,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-10-25 23:05:01,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 539 transitions. [2020-10-25 23:05:01,254 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 539 transitions. Word has length 34 [2020-10-25 23:05:01,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:01,254 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 539 transitions. [2020-10-25 23:05:01,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:01,255 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 539 transitions. [2020-10-25 23:05:01,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-25 23:05:01,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:01,256 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 23:05:01,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:05:01,257 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:01,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:01,257 INFO L82 PathProgramCache]: Analyzing trace with hash -881620425, now seen corresponding path program 1 times [2020-10-25 23:05:01,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:01,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763294275] [2020-10-25 23:05:01,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:01,336 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 23:05:01,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763294275] [2020-10-25 23:05:01,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:01,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:05:01,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60395473] [2020-10-25 23:05:01,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:01,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:01,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:01,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:01,338 INFO L87 Difference]: Start difference. First operand 406 states and 539 transitions. Second operand 6 states. [2020-10-25 23:05:01,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:01,612 INFO L93 Difference]: Finished difference Result 1252 states and 1658 transitions. [2020-10-25 23:05:01,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-25 23:05:01,613 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-10-25 23:05:01,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:01,618 INFO L225 Difference]: With dead ends: 1252 [2020-10-25 23:05:01,618 INFO L226 Difference]: Without dead ends: 852 [2020-10-25 23:05:01,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-25 23:05:01,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-25 23:05:01,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 406. [2020-10-25 23:05:01,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-10-25 23:05:01,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 529 transitions. [2020-10-25 23:05:01,670 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 529 transitions. Word has length 35 [2020-10-25 23:05:01,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:01,670 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 529 transitions. [2020-10-25 23:05:01,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 529 transitions. [2020-10-25 23:05:01,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-25 23:05:01,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:01,673 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:01,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 23:05:01,673 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:01,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:01,674 INFO L82 PathProgramCache]: Analyzing trace with hash 907867481, now seen corresponding path program 1 times [2020-10-25 23:05:01,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:01,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469624789] [2020-10-25 23:05:01,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:01,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-25 23:05:01,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469624789] [2020-10-25 23:05:01,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:01,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:01,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887393151] [2020-10-25 23:05:01,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:01,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:01,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:01,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:01,724 INFO L87 Difference]: Start difference. First operand 406 states and 529 transitions. Second operand 3 states. [2020-10-25 23:05:01,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:01,828 INFO L93 Difference]: Finished difference Result 688 states and 894 transitions. [2020-10-25 23:05:01,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:01,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-25 23:05:01,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:01,830 INFO L225 Difference]: With dead ends: 688 [2020-10-25 23:05:01,831 INFO L226 Difference]: Without dead ends: 288 [2020-10-25 23:05:01,832 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 23:05:01,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-10-25 23:05:01,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 280. [2020-10-25 23:05:01,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-25 23:05:01,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 359 transitions. [2020-10-25 23:05:01,860 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 359 transitions. Word has length 53 [2020-10-25 23:05:01,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:01,861 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 359 transitions. [2020-10-25 23:05:01,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2020-10-25 23:05:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-25 23:05:01,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:01,862 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:01,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 23:05:01,863 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:01,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:01,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1672926045, now seen corresponding path program 1 times [2020-10-25 23:05:01,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:01,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117375795] [2020-10-25 23:05:01,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:01,998 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:01,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117375795] [2020-10-25 23:05:01,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:01,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:05:02,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965395637] [2020-10-25 23:05:02,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:02,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:02,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:02,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:02,002 INFO L87 Difference]: Start difference. First operand 280 states and 359 transitions. Second operand 6 states. [2020-10-25 23:05:02,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:02,410 INFO L93 Difference]: Finished difference Result 1458 states and 1910 transitions. [2020-10-25 23:05:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-25 23:05:02,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-10-25 23:05:02,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:02,418 INFO L225 Difference]: With dead ends: 1458 [2020-10-25 23:05:02,419 INFO L226 Difference]: Without dead ends: 1272 [2020-10-25 23:05:02,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-25 23:05:02,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2020-10-25 23:05:02,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 548. [2020-10-25 23:05:02,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-10-25 23:05:02,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 704 transitions. [2020-10-25 23:05:02,499 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 704 transitions. Word has length 56 [2020-10-25 23:05:02,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:02,500 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 704 transitions. [2020-10-25 23:05:02,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:02,501 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 704 transitions. [2020-10-25 23:05:02,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-25 23:05:02,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:02,503 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:02,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 23:05:02,503 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:02,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:02,504 INFO L82 PathProgramCache]: Analyzing trace with hash -971861467, now seen corresponding path program 1 times [2020-10-25 23:05:02,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:02,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159413444] [2020-10-25 23:05:02,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:02,585 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-25 23:05:02,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159413444] [2020-10-25 23:05:02,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:02,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:02,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386937291] [2020-10-25 23:05:02,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:02,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:02,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:02,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:02,588 INFO L87 Difference]: Start difference. First operand 548 states and 704 transitions. Second operand 5 states. [2020-10-25 23:05:02,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:02,715 INFO L93 Difference]: Finished difference Result 1114 states and 1427 transitions. [2020-10-25 23:05:02,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:02,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-10-25 23:05:02,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:02,717 INFO L225 Difference]: With dead ends: 1114 [2020-10-25 23:05:02,717 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:02,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:05:02,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:02,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:02,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:02,720 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-10-25 23:05:02,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:02,720 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:02,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:02,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:02,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-25 23:05:02,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:03,430 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 180 [2020-10-25 23:05:03,938 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 138 [2020-10-25 23:05:04,167 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 107 [2020-10-25 23:05:04,497 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 136 [2020-10-25 23:05:04,666 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 110 [2020-10-25 23:05:04,892 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2020-10-25 23:05:05,449 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 182 [2020-10-25 23:05:05,875 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 175 [2020-10-25 23:05:06,233 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 179 [2020-10-25 23:05:07,543 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 177 DAG size of output: 23 [2020-10-25 23:05:08,368 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 30 [2020-10-25 23:05:08,821 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 28 [2020-10-25 23:05:09,091 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 21 [2020-10-25 23:05:09,333 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2020-10-25 23:05:10,079 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 30 [2020-10-25 23:05:10,480 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 17 [2020-10-25 23:05:11,392 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 31 [2020-10-25 23:05:11,527 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 20 [2020-10-25 23:05:11,820 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2020-10-25 23:05:11,982 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 22 [2020-10-25 23:05:13,410 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 179 DAG size of output: 30 [2020-10-25 23:05:14,698 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-10-25 23:05:15,977 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 176 DAG size of output: 30 [2020-10-25 23:05:15,986 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:15,986 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:15,986 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:15,987 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:15,987 INFO L274 CegarLoopResult]: For program point L796(lines 796 813) no Hoare annotation was computed. [2020-10-25 23:05:15,987 INFO L274 CegarLoopResult]: For program point L796-1(lines 796 813) no Hoare annotation was computed. [2020-10-25 23:05:15,987 INFO L274 CegarLoopResult]: For program point L796-2(lines 796 813) no Hoare annotation was computed. [2020-10-25 23:05:15,987 INFO L274 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-10-25 23:05:15,987 INFO L274 CegarLoopResult]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2020-10-25 23:05:15,987 INFO L274 CegarLoopResult]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2020-10-25 23:05:15,987 INFO L274 CegarLoopResult]: For program point L235-3(lines 235 241) no Hoare annotation was computed. [2020-10-25 23:05:15,987 INFO L274 CegarLoopResult]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2020-10-25 23:05:15,987 INFO L274 CegarLoopResult]: For program point L235-5(lines 235 241) no Hoare annotation was computed. [2020-10-25 23:05:15,987 INFO L274 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-10-25 23:05:15,988 INFO L274 CegarLoopResult]: For program point L269-2(lines 269 275) no Hoare annotation was computed. [2020-10-25 23:05:15,988 INFO L274 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-10-25 23:05:15,988 INFO L274 CegarLoopResult]: For program point L269-4(lines 269 275) no Hoare annotation was computed. [2020-10-25 23:05:15,988 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 23:05:15,988 INFO L274 CegarLoopResult]: For program point L700(lines 700 715) no Hoare annotation was computed. [2020-10-25 23:05:15,989 INFO L274 CegarLoopResult]: For program point L833(lines 833 839) no Hoare annotation was computed. [2020-10-25 23:05:15,989 INFO L274 CegarLoopResult]: For program point L800(lines 800 808) no Hoare annotation was computed. [2020-10-25 23:05:15,989 INFO L274 CegarLoopResult]: For program point L833-2(lines 833 839) no Hoare annotation was computed. [2020-10-25 23:05:15,989 INFO L274 CegarLoopResult]: For program point L800-1(lines 800 808) no Hoare annotation was computed. [2020-10-25 23:05:15,989 INFO L274 CegarLoopResult]: For program point L800-2(lines 800 808) no Hoare annotation was computed. [2020-10-25 23:05:15,989 INFO L274 CegarLoopResult]: For program point L833-4(lines 833 839) no Hoare annotation was computed. [2020-10-25 23:05:15,990 INFO L274 CegarLoopResult]: For program point L833-6(lines 833 839) no Hoare annotation was computed. [2020-10-25 23:05:15,990 INFO L274 CegarLoopResult]: For program point L833-8(lines 833 839) no Hoare annotation was computed. [2020-10-25 23:05:15,990 INFO L274 CegarLoopResult]: For program point L833-10(lines 833 839) no Hoare annotation was computed. [2020-10-25 23:05:15,990 INFO L270 CegarLoopResult]: At program point L999(lines 994 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:15,990 INFO L270 CegarLoopResult]: At program point L867(lines 862 870) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse5 .cse4))) [2020-10-25 23:05:15,991 INFO L270 CegarLoopResult]: At program point L867-1(lines 862 870) the Hoare annotation is: false [2020-10-25 23:05:15,991 INFO L270 CegarLoopResult]: At program point L867-2(lines 862 870) the Hoare annotation is: false [2020-10-25 23:05:15,991 INFO L270 CegarLoopResult]: At program point L240(lines 231 244) the Hoare annotation is: false [2020-10-25 23:05:15,991 INFO L270 CegarLoopResult]: At program point L240-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse1 .cse7 .cse6 .cse2 .cse4) (and .cse1 .cse7 .cse2 .cse4 .cse3 .cse5))) [2020-10-25 23:05:15,991 INFO L270 CegarLoopResult]: At program point L240-2(lines 231 244) the Hoare annotation is: false [2020-10-25 23:05:15,991 INFO L270 CegarLoopResult]: At program point L240-3(lines 231 244) the Hoare annotation is: false [2020-10-25 23:05:15,991 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-10-25 23:05:15,991 INFO L270 CegarLoopResult]: At program point L240-4(lines 231 244) the Hoare annotation is: false [2020-10-25 23:05:15,991 INFO L270 CegarLoopResult]: At program point L240-5(lines 231 244) the Hoare annotation is: false [2020-10-25 23:05:15,992 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:15,992 INFO L274 CegarLoopResult]: For program point L935(lines 935 939) no Hoare annotation was computed. [2020-10-25 23:05:15,992 INFO L274 CegarLoopResult]: For program point L935-2(lines 935 939) no Hoare annotation was computed. [2020-10-25 23:05:15,992 INFO L274 CegarLoopResult]: For program point L935-3(lines 935 939) no Hoare annotation was computed. [2020-10-25 23:05:15,992 INFO L274 CegarLoopResult]: For program point L770(lines 770 787) no Hoare annotation was computed. [2020-10-25 23:05:15,992 INFO L274 CegarLoopResult]: For program point L935-5(lines 935 939) no Hoare annotation was computed. [2020-10-25 23:05:15,992 INFO L274 CegarLoopResult]: For program point L770-1(lines 770 787) no Hoare annotation was computed. [2020-10-25 23:05:15,992 INFO L274 CegarLoopResult]: For program point L935-6(lines 935 939) no Hoare annotation was computed. [2020-10-25 23:05:15,992 INFO L274 CegarLoopResult]: For program point L770-2(lines 770 787) no Hoare annotation was computed. [2020-10-25 23:05:15,992 INFO L274 CegarLoopResult]: For program point L671(lines 670 719) no Hoare annotation was computed. [2020-10-25 23:05:15,993 INFO L274 CegarLoopResult]: For program point L770-3(lines 770 787) no Hoare annotation was computed. [2020-10-25 23:05:15,993 INFO L274 CegarLoopResult]: For program point L935-8(lines 935 939) no Hoare annotation was computed. [2020-10-25 23:05:15,993 INFO L274 CegarLoopResult]: For program point L770-4(lines 770 787) no Hoare annotation was computed. [2020-10-25 23:05:15,993 INFO L274 CegarLoopResult]: For program point L770-5(lines 770 787) no Hoare annotation was computed. [2020-10-25 23:05:15,993 INFO L270 CegarLoopResult]: At program point L738(lines 737 756) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse3 .cse2) (and .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3))) [2020-10-25 23:05:15,993 INFO L274 CegarLoopResult]: For program point L738-1(lines 738 744) no Hoare annotation was computed. [2020-10-25 23:05:15,993 INFO L274 CegarLoopResult]: For program point L672(lines 672 676) no Hoare annotation was computed. [2020-10-25 23:05:15,993 INFO L270 CegarLoopResult]: At program point L738-2(lines 737 756) the Hoare annotation is: false [2020-10-25 23:05:15,993 INFO L270 CegarLoopResult]: At program point L738-3(lines 737 756) the Hoare annotation is: false [2020-10-25 23:05:15,993 INFO L274 CegarLoopResult]: For program point L774(lines 774 782) no Hoare annotation was computed. [2020-10-25 23:05:15,993 INFO L274 CegarLoopResult]: For program point L774-1(lines 774 782) no Hoare annotation was computed. [2020-10-25 23:05:15,994 INFO L274 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2020-10-25 23:05:15,994 INFO L274 CegarLoopResult]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2020-10-25 23:05:15,994 INFO L270 CegarLoopResult]: At program point L708-1(lines 738 744) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse4) (and .cse7 .cse5 .cse2 .cse4 .cse3) (and .cse5 .cse0 .cse2 .cse4 .cse3) (and .cse7 .cse5 .cse6 .cse4) (and .cse7 .cse1 .cse2 .cse4 .cse3))) [2020-10-25 23:05:15,994 INFO L274 CegarLoopResult]: For program point L774-3(lines 774 782) no Hoare annotation was computed. [2020-10-25 23:05:15,994 INFO L274 CegarLoopResult]: For program point L774-4(lines 774 782) no Hoare annotation was computed. [2020-10-25 23:05:15,994 INFO L274 CegarLoopResult]: For program point L774-5(lines 774 782) no Hoare annotation was computed. [2020-10-25 23:05:15,994 INFO L270 CegarLoopResult]: At program point L941(lines 926 944) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 1)) (.cse1 (<= ULTIMATE.start_isLowWaterLevel_~tmp~10 0)) (.cse2 (= |ULTIMATE.start_isLowWaterLevel_#res| 1)) (.cse3 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse4 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~10)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methaneLevelCritical~0 0) .cse6 .cse7 .cse8))) [2020-10-25 23:05:15,994 INFO L270 CegarLoopResult]: At program point L941-1(lines 926 944) the Hoare annotation is: false [2020-10-25 23:05:15,994 INFO L270 CegarLoopResult]: At program point L941-2(lines 926 944) the Hoare annotation is: false [2020-10-25 23:05:15,995 INFO L274 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2020-10-25 23:05:15,995 INFO L270 CegarLoopResult]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse6 .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse2 .cse3 .cse4))) [2020-10-25 23:05:15,995 INFO L270 CegarLoopResult]: At program point L745-1(lines 745 751) the Hoare annotation is: false [2020-10-25 23:05:15,995 INFO L270 CegarLoopResult]: At program point L745-2(lines 745 751) the Hoare annotation is: false [2020-10-25 23:05:15,995 INFO L270 CegarLoopResult]: At program point L250(lines 245 253) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4))) [2020-10-25 23:05:15,995 INFO L270 CegarLoopResult]: At program point L250-1(lines 245 253) the Hoare annotation is: false [2020-10-25 23:05:15,996 INFO L270 CegarLoopResult]: At program point L250-2(lines 245 253) the Hoare annotation is: false [2020-10-25 23:05:15,996 INFO L274 CegarLoopResult]: For program point L680(lines 680 686) no Hoare annotation was computed. [2020-10-25 23:05:15,996 INFO L270 CegarLoopResult]: At program point L680-1(lines 680 686) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 0)) (.cse9 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse4 .cse5 .cse6) (and .cse9 .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse1 (<= 2 ~waterLevel~0) .cse3 .cse5))) [2020-10-25 23:05:15,996 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:15,996 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-10-25 23:05:15,996 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-25 23:05:15,996 INFO L274 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-10-25 23:05:15,996 INFO L270 CegarLoopResult]: At program point L949-1(lines 949 955) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 0) .cse0 .cse2 .cse1))) [2020-10-25 23:05:15,997 INFO L274 CegarLoopResult]: For program point L916(lines 916 920) no Hoare annotation was computed. [2020-10-25 23:05:15,997 INFO L274 CegarLoopResult]: For program point L916-2(lines 916 920) no Hoare annotation was computed. [2020-10-25 23:05:15,997 INFO L274 CegarLoopResult]: For program point L916-3(lines 916 920) no Hoare annotation was computed. [2020-10-25 23:05:15,997 INFO L274 CegarLoopResult]: For program point L916-5(lines 916 920) no Hoare annotation was computed. [2020-10-25 23:05:15,997 INFO L274 CegarLoopResult]: For program point L916-6(lines 916 920) no Hoare annotation was computed. [2020-10-25 23:05:15,997 INFO L274 CegarLoopResult]: For program point L916-8(lines 916 920) no Hoare annotation was computed. [2020-10-25 23:05:15,997 INFO L274 CegarLoopResult]: For program point L916-9(lines 916 920) no Hoare annotation was computed. [2020-10-25 23:05:15,997 INFO L274 CegarLoopResult]: For program point L916-11(lines 916 920) no Hoare annotation was computed. [2020-10-25 23:05:15,997 INFO L274 CegarLoopResult]: For program point L916-12(lines 916 920) no Hoare annotation was computed. [2020-10-25 23:05:15,997 INFO L274 CegarLoopResult]: For program point L916-14(lines 916 920) no Hoare annotation was computed. [2020-10-25 23:05:15,998 INFO L274 CegarLoopResult]: For program point L916-15(lines 916 920) no Hoare annotation was computed. [2020-10-25 23:05:15,998 INFO L274 CegarLoopResult]: For program point L916-17(lines 916 920) no Hoare annotation was computed. [2020-10-25 23:05:15,998 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:15,998 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-25 23:05:15,998 INFO L274 CegarLoopResult]: For program point L58-1(lines 738 744) no Hoare annotation was computed. [2020-10-25 23:05:15,998 INFO L274 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-10-25 23:05:15,998 INFO L274 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-10-25 23:05:15,998 INFO L274 CegarLoopResult]: For program point L653-2(line 653) no Hoare annotation was computed. [2020-10-25 23:05:15,998 INFO L274 CegarLoopResult]: For program point L158(lines 158 162) no Hoare annotation was computed. [2020-10-25 23:05:15,998 INFO L274 CegarLoopResult]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2020-10-25 23:05:15,998 INFO L274 CegarLoopResult]: For program point L158-6(lines 158 162) no Hoare annotation was computed. [2020-10-25 23:05:15,999 INFO L270 CegarLoopResult]: At program point L720(lines 669 721) the Hoare annotation is: false [2020-10-25 23:05:15,999 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:15,999 INFO L274 CegarLoopResult]: For program point L690(lines 690 696) no Hoare annotation was computed. [2020-10-25 23:05:15,999 INFO L270 CegarLoopResult]: At program point L690-1(lines 690 696) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse3) (and .cse7 .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse7 .cse5 .cse6 .cse3) (and .cse7 .cse1 .cse2 .cse3 .cse4))) [2020-10-25 23:05:15,999 INFO L270 CegarLoopResult]: At program point L195(lines 190 198) the Hoare annotation is: false [2020-10-25 23:05:16,000 INFO L270 CegarLoopResult]: At program point L195-1(lines 190 198) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-10-25 23:05:16,000 INFO L270 CegarLoopResult]: At program point L195-2(lines 190 198) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse8 (= 0 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse4) (and .cse1 .cse8 .cse2 .cse3 .cse5 .cse4) (and .cse6 .cse7 .cse0 .cse3 .cse4 .cse5))) [2020-10-25 23:05:16,000 INFO L270 CegarLoopResult]: At program point L195-3(lines 190 198) the Hoare annotation is: false [2020-10-25 23:05:16,000 INFO L270 CegarLoopResult]: At program point L195-4(lines 190 198) the Hoare annotation is: false [2020-10-25 23:05:16,000 INFO L270 CegarLoopResult]: At program point L195-5(lines 190 198) the Hoare annotation is: false [2020-10-25 23:05:16,001 INFO L270 CegarLoopResult]: At program point L195-6(lines 190 198) the Hoare annotation is: false [2020-10-25 23:05:16,001 INFO L270 CegarLoopResult]: At program point L195-7(lines 190 198) the Hoare annotation is: false [2020-10-25 23:05:16,001 INFO L270 CegarLoopResult]: At program point L195-8(lines 190 198) the Hoare annotation is: false [2020-10-25 23:05:16,001 INFO L270 CegarLoopResult]: At program point L922(lines 907 925) the Hoare annotation is: false [2020-10-25 23:05:16,001 INFO L270 CegarLoopResult]: At program point L922-1(lines 907 925) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse7 .cse3 .cse4 .cse8) (and .cse6 .cse1 .cse5 .cse7 .cse3 .cse4 .cse8))) [2020-10-25 23:05:16,002 INFO L270 CegarLoopResult]: At program point L922-2(lines 907 925) the Hoare annotation is: false [2020-10-25 23:05:16,002 INFO L270 CegarLoopResult]: At program point L922-3(lines 907 925) the Hoare annotation is: false [2020-10-25 23:05:16,002 INFO L270 CegarLoopResult]: At program point L922-4(lines 907 925) the Hoare annotation is: false [2020-10-25 23:05:16,002 INFO L270 CegarLoopResult]: At program point L922-5(lines 907 925) the Hoare annotation is: false [2020-10-25 23:05:16,002 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:16,003 INFO L270 CegarLoopResult]: At program point L858(lines 851 861) the Hoare annotation is: false [2020-10-25 23:05:16,003 INFO L270 CegarLoopResult]: At program point L858-1(lines 851 861) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3))) [2020-10-25 23:05:16,003 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:16,003 INFO L270 CegarLoopResult]: At program point L858-2(lines 851 861) the Hoare annotation is: false [2020-10-25 23:05:16,003 INFO L270 CegarLoopResult]: At program point L858-3(lines 851 861) the Hoare annotation is: false [2020-10-25 23:05:16,004 INFO L270 CegarLoopResult]: At program point L858-4(lines 851 861) the Hoare annotation is: false [2020-10-25 23:05:16,004 INFO L270 CegarLoopResult]: At program point L858-5(lines 851 861) the Hoare annotation is: false [2020-10-25 23:05:16,004 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-25 23:05:16,004 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-10-25 23:05:16,004 INFO L270 CegarLoopResult]: At program point L991(lines 1 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:16,004 INFO L274 CegarLoopResult]: For program point L265(lines 265 278) no Hoare annotation was computed. [2020-10-25 23:05:16,005 INFO L270 CegarLoopResult]: At program point L265-1(lines 1 1002) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 0)) (.cse9 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse4 .cse5 .cse6) (and .cse9 .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse1 (<= 2 ~waterLevel~0) .cse3 .cse5))) [2020-10-25 23:05:16,005 INFO L274 CegarLoopResult]: For program point L265-2(lines 265 278) no Hoare annotation was computed. [2020-10-25 23:05:16,005 INFO L270 CegarLoopResult]: At program point L265-3(lines 1 1002) the Hoare annotation is: false [2020-10-25 23:05:16,005 INFO L274 CegarLoopResult]: For program point L265-4(lines 265 278) no Hoare annotation was computed. [2020-10-25 23:05:16,005 INFO L270 CegarLoopResult]: At program point L265-5(lines 1 1002) the Hoare annotation is: false [2020-10-25 23:05:16,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:16 BoogieIcfgContainer [2020-10-25 23:05:16,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:16,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:16,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:16,048 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:16,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:59" (3/4) ... [2020-10-25 23:05:16,052 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:16,078 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:16,079 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:16,081 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:16,082 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:16,083 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:16,085 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:16,086 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:16,115 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) [2020-10-25 23:05:16,116 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) [2020-10-25 23:05:16,118 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-25 23:05:16,119 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result <= 0 && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result <= 0 && methaneLevelCritical == 1) && 1 == systemActive) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-25 23:05:16,120 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-10-25 23:05:16,120 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-25 23:05:16,121 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp___0 == 1 && tmp <= 0) && \result == 1) && \result <= 0) && methaneLevelCritical == 1) && 0 <= tmp) && 1 == systemActive) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((((tmp___0 == 1 && tmp <= 0) && \result == 1) && \result <= 0) && 0 <= tmp) && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-25 23:05:16,121 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-25 23:05:16,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:05:16,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:05:16,227 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:16,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:16,228 INFO L168 Benchmark]: Toolchain (without parser) took 18957.66 ms. Allocated memory was 56.6 MB in the beginning and 308.3 MB in the end (delta: 251.7 MB). Free memory was 32.7 MB in the beginning and 152.3 MB in the end (delta: -119.6 MB). Peak memory consumption was 133.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:16,229 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 56.6 MB. Free memory is still 39.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:16,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 544.49 ms. Allocated memory is still 56.6 MB. Free memory was 32.0 MB in the beginning and 26.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:16,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.85 ms. Allocated memory is still 56.6 MB. Free memory was 26.8 MB in the beginning and 38.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:16,230 INFO L168 Benchmark]: Boogie Preprocessor took 62.18 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 35.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:16,230 INFO L168 Benchmark]: RCFGBuilder took 1081.58 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 35.3 MB in the beginning and 43.1 MB in the end (delta: -7.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:16,231 INFO L168 Benchmark]: TraceAbstraction took 16987.48 ms. Allocated memory was 71.3 MB in the beginning and 308.3 MB in the end (delta: 237.0 MB). Free memory was 42.6 MB in the beginning and 164.9 MB in the end (delta: -122.3 MB). Peak memory consumption was 182.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:16,231 INFO L168 Benchmark]: Witness Printer took 179.23 ms. Allocated memory is still 308.3 MB. Free memory was 164.9 MB in the beginning and 152.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:16,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 56.6 MB. Free memory is still 39.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 544.49 ms. Allocated memory is still 56.6 MB. Free memory was 32.0 MB in the beginning and 26.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.85 ms. Allocated memory is still 56.6 MB. Free memory was 26.8 MB in the beginning and 38.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.18 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 35.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1081.58 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 35.3 MB in the beginning and 43.1 MB in the end (delta: -7.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16987.48 ms. Allocated memory was 71.3 MB in the beginning and 308.3 MB in the end (delta: 237.0 MB). Free memory was 42.6 MB in the beginning and 164.9 MB in the end (delta: -122.3 MB). Peak memory consumption was 182.2 MB. Max. memory is 16.1 GB. * Witness Printer took 179.23 ms. Allocated memory is still 308.3 MB. Free memory was 164.9 MB in the beginning and 152.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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: 737]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: 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)) || ((((((methaneLevelCritical == 1 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((((\result <= 0 && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result <= 0 && methaneLevelCritical == 1) && 1 == systemActive) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((((((((tmp___0 == 1 && tmp <= 0) && \result == 1) && \result <= 0) && methaneLevelCritical == 1) && 0 <= tmp) && 1 == systemActive) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((((tmp___0 == 1 && tmp <= 0) && \result == 1) && \result <= 0) && 0 <= tmp) && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((methaneLevelCritical == 0 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: 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: 745]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 140 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1563 SDtfs, 1978 SDslu, 2710 SDs, 0 SdLazy, 325 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=548occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 2300 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 331 NumberOfFragments, 1084 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1668031 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 56 FomulaSimplificationsInter, 365917 FormulaSimplificationTreeSizeReductionInter, 9.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 419 ConstructedInterpolants, 0 QuantifiedInterpolants, 25409 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 42/42 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...