./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product36.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_spec5_product36.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 b71d0221e52ad3170b58f60abcb38413b01772c1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:08:30,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:08:30,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:08:30,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:08:30,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:08:30,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:08:30,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:08:30,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:08:30,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:08:30,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:08:30,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:08:30,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:08:30,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:08:30,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:08:30,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:08:30,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:08:30,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:08:30,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:08:30,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:08:30,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:08:30,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:08:30,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:08:30,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:08:30,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:08:30,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:08:30,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:08:30,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:08:30,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:08:30,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:08:30,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:08:30,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:08:30,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:08:30,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:08:30,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:08:30,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:08:30,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:08:30,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:08:30,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:08:30,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:08:30,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:08:30,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:08:30,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:08:30,802 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:08:30,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:08:30,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:08:30,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:08:30,807 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:08:30,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:08:30,808 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:08:30,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:08:30,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:08:30,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:08:30,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:08:30,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:08:30,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:08:30,811 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:08:30,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:08:30,812 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:08:30,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:08:30,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:08:30,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:08:30,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:08:30,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:08:30,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:08:30,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:08:30,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:08:30,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:08:30,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:08:30,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:08:30,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:08:30,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:08:30,816 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71d0221e52ad3170b58f60abcb38413b01772c1 [2020-10-25 23:08:31,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:08:31,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:08:31,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:08:31,366 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:08:31,367 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:08:31,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2020-10-25 23:08:31,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/905877400/7c4b09be33a940af87311af8d093fec3/FLAGfbfcde6b1 [2020-10-25 23:08:32,161 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:08:32,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2020-10-25 23:08:32,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/905877400/7c4b09be33a940af87311af8d093fec3/FLAGfbfcde6b1 [2020-10-25 23:08:32,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/905877400/7c4b09be33a940af87311af8d093fec3 [2020-10-25 23:08:32,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:08:32,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:08:32,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:08:32,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:08:32,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:08:32,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:08:32" (1/1) ... [2020-10-25 23:08:32,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@580c3f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:32, skipping insertion in model container [2020-10-25 23:08:32,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:08:32" (1/1) ... [2020-10-25 23:08:32,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:08:32,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:08:32,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:08:32,981 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:08:33,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:08:33,142 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:08:33,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:33 WrapperNode [2020-10-25 23:08:33,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:08:33,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:08:33,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:08:33,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:08:33,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:33" (1/1) ... [2020-10-25 23:08:33,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:33" (1/1) ... [2020-10-25 23:08:33,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:08:33,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:08:33,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:08:33,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:08:33,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:33" (1/1) ... [2020-10-25 23:08:33,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:33" (1/1) ... [2020-10-25 23:08:33,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:33" (1/1) ... [2020-10-25 23:08:33,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:33" (1/1) ... [2020-10-25 23:08:33,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:33" (1/1) ... [2020-10-25 23:08:33,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:33" (1/1) ... [2020-10-25 23:08:33,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:33" (1/1) ... [2020-10-25 23:08:33,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:08:33,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:08:33,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:08:33,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:08:33,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:08:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:08:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:08:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:08:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:08:34,262 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:08:34,262 INFO L298 CfgBuilder]: Removed 122 assume(true) statements. [2020-10-25 23:08:34,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:08:34 BoogieIcfgContainer [2020-10-25 23:08:34,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:08:34,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:08:34,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:08:34,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:08:34,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:08:32" (1/3) ... [2020-10-25 23:08:34,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c94d7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:08:34, skipping insertion in model container [2020-10-25 23:08:34,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:33" (2/3) ... [2020-10-25 23:08:34,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c94d7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:08:34, skipping insertion in model container [2020-10-25 23:08:34,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:08:34" (3/3) ... [2020-10-25 23:08:34,275 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2020-10-25 23:08:34,288 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:08:34,294 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:08:34,309 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:08:34,336 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:08:34,337 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:08:34,337 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:08:34,337 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:08:34,337 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:08:34,337 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:08:34,338 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:08:34,338 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:08:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2020-10-25 23:08:34,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:08:34,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:34,364 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:34,364 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:34,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:34,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1486497901, now seen corresponding path program 1 times [2020-10-25 23:08:34,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:34,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062720705] [2020-10-25 23:08:34,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:34,703 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 23:08:34,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062720705] [2020-10-25 23:08:34,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:34,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:08:34,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685870151] [2020-10-25 23:08:34,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:08:34,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:34,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:08:34,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:08:34,738 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 2 states. [2020-10-25 23:08:34,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:34,808 INFO L93 Difference]: Finished difference Result 174 states and 259 transitions. [2020-10-25 23:08:34,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:08:34,810 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-25 23:08:34,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:34,820 INFO L225 Difference]: With dead ends: 174 [2020-10-25 23:08:34,821 INFO L226 Difference]: Without dead ends: 85 [2020-10-25 23:08:34,825 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 23:08:34,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-25 23:08:34,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-10-25 23:08:34,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-25 23:08:34,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2020-10-25 23:08:34,873 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2020-10-25 23:08:34,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:34,874 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2020-10-25 23:08:34,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:08:34,874 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2020-10-25 23:08:34,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-25 23:08:34,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:34,876 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:34,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:08:34,876 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:34,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:34,877 INFO L82 PathProgramCache]: Analyzing trace with hash 319521652, now seen corresponding path program 1 times [2020-10-25 23:08:34,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:34,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825439919] [2020-10-25 23:08:34,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:35,041 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 23:08:35,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825439919] [2020-10-25 23:08:35,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:35,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:08:35,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035798928] [2020-10-25 23:08:35,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:35,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:35,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:35,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:35,046 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2020-10-25 23:08:35,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:35,061 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2020-10-25 23:08:35,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:35,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-25 23:08:35,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:35,063 INFO L225 Difference]: With dead ends: 85 [2020-10-25 23:08:35,063 INFO L226 Difference]: Without dead ends: 40 [2020-10-25 23:08:35,065 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 23:08:35,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-25 23:08:35,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-25 23:08:35,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-25 23:08:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2020-10-25 23:08:35,072 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2020-10-25 23:08:35,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:35,073 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2020-10-25 23:08:35,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2020-10-25 23:08:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:08:35,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:35,074 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 23:08:35,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:08:35,075 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:35,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:35,076 INFO L82 PathProgramCache]: Analyzing trace with hash -657926814, now seen corresponding path program 1 times [2020-10-25 23:08:35,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:35,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916737316] [2020-10-25 23:08:35,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:35,192 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 23:08:35,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916737316] [2020-10-25 23:08:35,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:35,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:08:35,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547467912] [2020-10-25 23:08:35,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:35,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:35,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:35,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:35,203 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2020-10-25 23:08:35,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:35,253 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2020-10-25 23:08:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:35,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-25 23:08:35,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:35,257 INFO L225 Difference]: With dead ends: 106 [2020-10-25 23:08:35,259 INFO L226 Difference]: Without dead ends: 73 [2020-10-25 23:08:35,260 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 23:08:35,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-25 23:08:35,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2020-10-25 23:08:35,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-25 23:08:35,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2020-10-25 23:08:35,286 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2020-10-25 23:08:35,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:35,287 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2020-10-25 23:08:35,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:35,287 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2020-10-25 23:08:35,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-25 23:08:35,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:35,292 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] [2020-10-25 23:08:35,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:08:35,293 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:35,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:35,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1225410363, now seen corresponding path program 1 times [2020-10-25 23:08:35,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:35,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120894749] [2020-10-25 23:08:35,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:35,458 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 23:08:35,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120894749] [2020-10-25 23:08:35,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:35,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:08:35,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383243775] [2020-10-25 23:08:35,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:35,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:35,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:35,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:35,464 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2020-10-25 23:08:35,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:35,512 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2020-10-25 23:08:35,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:35,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-10-25 23:08:35,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:35,515 INFO L225 Difference]: With dead ends: 178 [2020-10-25 23:08:35,515 INFO L226 Difference]: Without dead ends: 116 [2020-10-25 23:08:35,516 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 23:08:35,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-25 23:08:35,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2020-10-25 23:08:35,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-25 23:08:35,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2020-10-25 23:08:35,541 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2020-10-25 23:08:35,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:35,542 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2020-10-25 23:08:35,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:35,542 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2020-10-25 23:08:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-25 23:08:35,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:35,544 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] [2020-10-25 23:08:35,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:08:35,544 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:35,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:35,545 INFO L82 PathProgramCache]: Analyzing trace with hash -88733333, now seen corresponding path program 1 times [2020-10-25 23:08:35,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:35,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386459512] [2020-10-25 23:08:35,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:35,641 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 23:08:35,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386459512] [2020-10-25 23:08:35,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:35,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:08:35,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212060627] [2020-10-25 23:08:35,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:08:35,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:35,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:08:35,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:08:35,644 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2020-10-25 23:08:35,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:35,808 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2020-10-25 23:08:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:08:35,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-25 23:08:35,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:35,811 INFO L225 Difference]: With dead ends: 405 [2020-10-25 23:08:35,811 INFO L226 Difference]: Without dead ends: 298 [2020-10-25 23:08:35,813 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 23:08:35,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-25 23:08:35,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2020-10-25 23:08:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-25 23:08:35,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2020-10-25 23:08:35,839 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2020-10-25 23:08:35,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:35,839 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2020-10-25 23:08:35,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:08:35,840 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2020-10-25 23:08:35,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:08:35,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:35,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:35,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:08:35,843 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:35,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:35,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1397643050, now seen corresponding path program 1 times [2020-10-25 23:08:35,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:35,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065863554] [2020-10-25 23:08:35,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:36,029 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 23:08:36,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065863554] [2020-10-25 23:08:36,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:36,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:08:36,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497722875] [2020-10-25 23:08:36,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:08:36,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:36,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:08:36,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:08:36,031 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2020-10-25 23:08:36,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:36,100 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2020-10-25 23:08:36,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:08:36,100 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-25 23:08:36,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:36,103 INFO L225 Difference]: With dead ends: 304 [2020-10-25 23:08:36,103 INFO L226 Difference]: Without dead ends: 199 [2020-10-25 23:08:36,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:08:36,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-10-25 23:08:36,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2020-10-25 23:08:36,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-25 23:08:36,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2020-10-25 23:08:36,122 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2020-10-25 23:08:36,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:36,123 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2020-10-25 23:08:36,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:08:36,123 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2020-10-25 23:08:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:08:36,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:36,125 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:36,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 23:08:36,126 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:36,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:36,126 INFO L82 PathProgramCache]: Analyzing trace with hash 2098707628, now seen corresponding path program 1 times [2020-10-25 23:08:36,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:36,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143447476] [2020-10-25 23:08:36,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:36,205 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 23:08:36,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143447476] [2020-10-25 23:08:36,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:36,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:08:36,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949186452] [2020-10-25 23:08:36,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:08:36,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:36,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:08:36,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:08:36,208 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 5 states. [2020-10-25 23:08:36,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:36,321 INFO L93 Difference]: Finished difference Result 336 states and 460 transitions. [2020-10-25 23:08:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:08:36,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-25 23:08:36,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:36,324 INFO L225 Difference]: With dead ends: 336 [2020-10-25 23:08:36,324 INFO L226 Difference]: Without dead ends: 225 [2020-10-25 23:08:36,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 23:08:36,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-10-25 23:08:36,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 122. [2020-10-25 23:08:36,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-25 23:08:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2020-10-25 23:08:36,342 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2020-10-25 23:08:36,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:36,342 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2020-10-25 23:08:36,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:08:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2020-10-25 23:08:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:08:36,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:36,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:36,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:08:36,345 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:36,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:36,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1511901614, now seen corresponding path program 1 times [2020-10-25 23:08:36,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:36,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498012872] [2020-10-25 23:08:36,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:36,414 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 23:08:36,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498012872] [2020-10-25 23:08:36,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:36,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:08:36,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549642864] [2020-10-25 23:08:36,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:36,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:36,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:36,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:36,418 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2020-10-25 23:08:36,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:36,458 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2020-10-25 23:08:36,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:36,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-10-25 23:08:36,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:36,460 INFO L225 Difference]: With dead ends: 293 [2020-10-25 23:08:36,461 INFO L226 Difference]: Without dead ends: 178 [2020-10-25 23:08:36,461 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 23:08:36,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-10-25 23:08:36,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-10-25 23:08:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-25 23:08:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2020-10-25 23:08:36,497 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2020-10-25 23:08:36,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:36,498 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2020-10-25 23:08:36,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2020-10-25 23:08:36,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:08:36,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:36,511 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 23:08:36,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:08:36,512 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:36,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:36,513 INFO L82 PathProgramCache]: Analyzing trace with hash -888433554, now seen corresponding path program 1 times [2020-10-25 23:08:36,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:36,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902417408] [2020-10-25 23:08:36,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:36,693 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 23:08:36,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902417408] [2020-10-25 23:08:36,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:36,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:08:36,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616438566] [2020-10-25 23:08:36,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 23:08:36,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:36,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 23:08:36,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:08:36,702 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 7 states. [2020-10-25 23:08:37,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:37,092 INFO L93 Difference]: Finished difference Result 855 states and 1180 transitions. [2020-10-25 23:08:37,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-25 23:08:37,092 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-10-25 23:08:37,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:37,096 INFO L225 Difference]: With dead ends: 855 [2020-10-25 23:08:37,097 INFO L226 Difference]: Without dead ends: 740 [2020-10-25 23:08:37,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-25 23:08:37,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-10-25 23:08:37,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 310. [2020-10-25 23:08:37,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-10-25 23:08:37,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 415 transitions. [2020-10-25 23:08:37,134 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 415 transitions. Word has length 34 [2020-10-25 23:08:37,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:37,134 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 415 transitions. [2020-10-25 23:08:37,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 23:08:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 415 transitions. [2020-10-25 23:08:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-25 23:08:37,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:37,136 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:37,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:08:37,136 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:37,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:37,137 INFO L82 PathProgramCache]: Analyzing trace with hash -294239600, now seen corresponding path program 1 times [2020-10-25 23:08:37,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:37,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086363229] [2020-10-25 23:08:37,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:37,216 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:37,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086363229] [2020-10-25 23:08:37,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133565927] [2020-10-25 23:08:37,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 23:08:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:37,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-25 23:08:37,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 23:08:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:37,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 23:08:37,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-10-25 23:08:37,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713214266] [2020-10-25 23:08:37,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-25 23:08:37,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:37,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-25 23:08:37,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:08:37,484 INFO L87 Difference]: Start difference. First operand 310 states and 415 transitions. Second operand 9 states. [2020-10-25 23:08:37,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:37,875 INFO L93 Difference]: Finished difference Result 650 states and 874 transitions. [2020-10-25 23:08:37,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-25 23:08:37,875 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-10-25 23:08:37,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:37,877 INFO L225 Difference]: With dead ends: 650 [2020-10-25 23:08:37,877 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:08:37,878 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-10-25 23:08:37,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:08:37,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:08:37,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:08:37,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:08:37,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-25 23:08:37,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:37,880 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:08:37,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-25 23:08:37,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:08:37,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:08:38,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-25 23:08:38,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:08:38,204 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 64 [2020-10-25 23:08:38,704 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 73 [2020-10-25 23:08:39,131 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 21 [2020-10-25 23:08:39,281 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2020-10-25 23:08:39,464 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 19 [2020-10-25 23:08:39,612 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2020-10-25 23:08:39,764 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 20 [2020-10-25 23:08:40,038 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 18 [2020-10-25 23:08:40,307 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 20 [2020-10-25 23:08:40,478 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 20 [2020-10-25 23:08:40,609 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 20 [2020-10-25 23:08:40,762 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 10 [2020-10-25 23:08:40,768 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:40,768 INFO L270 CegarLoopResult]: At program point L729-2(lines 729 743) the Hoare annotation is: false [2020-10-25 23:08:40,768 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:08:40,768 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:08:40,768 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:08:40,769 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:08:40,769 INFO L274 CegarLoopResult]: For program point L730(line 730) no Hoare annotation was computed. [2020-10-25 23:08:40,769 INFO L274 CegarLoopResult]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-10-25 23:08:40,769 INFO L270 CegarLoopResult]: At program point L697-1(lines 1 958) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (and .cse2 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and .cse2 (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-10-25 23:08:40,770 INFO L270 CegarLoopResult]: At program point L119(lines 119 125) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-25 23:08:40,770 INFO L270 CegarLoopResult]: At program point L119-1(lines 119 125) the Hoare annotation is: false [2020-10-25 23:08:40,770 INFO L270 CegarLoopResult]: At program point L119-2(lines 119 125) the Hoare annotation is: false [2020-10-25 23:08:40,770 INFO L274 CegarLoopResult]: For program point L896(lines 896 900) no Hoare annotation was computed. [2020-10-25 23:08:40,770 INFO L270 CegarLoopResult]: At program point L252(lines 237 255) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~1 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-10-25 23:08:40,770 INFO L270 CegarLoopResult]: At program point L252-1(lines 237 255) the Hoare annotation is: false [2020-10-25 23:08:40,771 INFO L270 CegarLoopResult]: At program point L252-2(lines 237 255) the Hoare annotation is: false [2020-10-25 23:08:40,771 INFO L274 CegarLoopResult]: For program point L848(lines 848 858) no Hoare annotation was computed. [2020-10-25 23:08:40,771 INFO L274 CegarLoopResult]: For program point L848-2(lines 848 858) no Hoare annotation was computed. [2020-10-25 23:08:40,771 INFO L274 CegarLoopResult]: For program point L848-4(lines 848 858) no Hoare annotation was computed. [2020-10-25 23:08:40,771 INFO L274 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-10-25 23:08:40,771 INFO L274 CegarLoopResult]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2020-10-25 23:08:40,771 INFO L274 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2020-10-25 23:08:40,771 INFO L274 CegarLoopResult]: For program point L849-2(lines 849 855) no Hoare annotation was computed. [2020-10-25 23:08:40,771 INFO L274 CegarLoopResult]: For program point L849-4(lines 849 855) no Hoare annotation was computed. [2020-10-25 23:08:40,772 INFO L270 CegarLoopResult]: At program point L833(lines 112 118) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2020-10-25 23:08:40,772 INFO L270 CegarLoopResult]: At program point L833-1(lines 112 118) the Hoare annotation is: false [2020-10-25 23:08:40,772 INFO L270 CegarLoopResult]: At program point L833-2(lines 112 118) the Hoare annotation is: false [2020-10-25 23:08:40,772 INFO L274 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-10-25 23:08:40,772 INFO L274 CegarLoopResult]: For program point L949-1(lines 949 955) no Hoare annotation was computed. [2020-10-25 23:08:40,772 INFO L274 CegarLoopResult]: For program point L949-2(lines 949 955) no Hoare annotation was computed. [2020-10-25 23:08:40,772 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:08:40,772 INFO L274 CegarLoopResult]: For program point L669(lines 669 675) no Hoare annotation was computed. [2020-10-25 23:08:40,773 INFO L270 CegarLoopResult]: At program point L669-1(lines 669 675) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-25 23:08:40,773 INFO L274 CegarLoopResult]: For program point L884(lines 884 888) no Hoare annotation was computed. [2020-10-25 23:08:40,773 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:40,773 INFO L274 CegarLoopResult]: For program point L802(lines 802 809) no Hoare annotation was computed. [2020-10-25 23:08:40,773 INFO L277 CegarLoopResult]: At program point L802-1(lines 802 809) the Hoare annotation is: true [2020-10-25 23:08:40,773 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:40,773 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:08:40,773 INFO L274 CegarLoopResult]: For program point L689(lines 689 704) no Hoare annotation was computed. [2020-10-25 23:08:40,774 INFO L274 CegarLoopResult]: For program point L144(lines 144 161) no Hoare annotation was computed. [2020-10-25 23:08:40,774 INFO L274 CegarLoopResult]: For program point L144-1(lines 144 161) no Hoare annotation was computed. [2020-10-25 23:08:40,774 INFO L274 CegarLoopResult]: For program point L144-2(lines 144 161) no Hoare annotation was computed. [2020-10-25 23:08:40,774 INFO L274 CegarLoopResult]: For program point L260(lines 260 266) no Hoare annotation was computed. [2020-10-25 23:08:40,774 INFO L270 CegarLoopResult]: At program point L260-1(lines 260 266) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-10-25 23:08:40,774 INFO L270 CegarLoopResult]: At program point L954(lines 945 958) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2))) [2020-10-25 23:08:40,774 INFO L270 CegarLoopResult]: At program point L954-1(lines 945 958) the Hoare annotation is: false [2020-10-25 23:08:40,774 INFO L270 CegarLoopResult]: At program point L954-2(lines 945 958) the Hoare annotation is: false [2020-10-25 23:08:40,775 INFO L270 CegarLoopResult]: At program point L112(lines 108 130) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2020-10-25 23:08:40,775 INFO L270 CegarLoopResult]: At program point L112-1(lines 108 130) the Hoare annotation is: false [2020-10-25 23:08:40,775 INFO L270 CegarLoopResult]: At program point L112-2(lines 108 130) the Hoare annotation is: false [2020-10-25 23:08:40,775 INFO L274 CegarLoopResult]: For program point L872(lines 872 876) no Hoare annotation was computed. [2020-10-25 23:08:40,775 INFO L274 CegarLoopResult]: For program point L872-3(lines 872 876) no Hoare annotation was computed. [2020-10-25 23:08:40,775 INFO L274 CegarLoopResult]: For program point L872-6(lines 872 876) no Hoare annotation was computed. [2020-10-25 23:08:40,775 INFO L270 CegarLoopResult]: At program point L823(lines 818 825) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:40,775 INFO L274 CegarLoopResult]: For program point L246(lines 246 250) no Hoare annotation was computed. [2020-10-25 23:08:40,775 INFO L274 CegarLoopResult]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2020-10-25 23:08:40,776 INFO L274 CegarLoopResult]: For program point L246-3(lines 246 250) no Hoare annotation was computed. [2020-10-25 23:08:40,776 INFO L274 CegarLoopResult]: For program point L246-5(lines 246 250) no Hoare annotation was computed. [2020-10-25 23:08:40,776 INFO L274 CegarLoopResult]: For program point L246-6(lines 246 250) no Hoare annotation was computed. [2020-10-25 23:08:40,776 INFO L274 CegarLoopResult]: For program point L246-8(lines 246 250) no Hoare annotation was computed. [2020-10-25 23:08:40,776 INFO L270 CegarLoopResult]: At program point L197(lines 192 200) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-10-25 23:08:40,776 INFO L270 CegarLoopResult]: At program point L709(lines 658 710) the Hoare annotation is: false [2020-10-25 23:08:40,776 INFO L270 CegarLoopResult]: At program point L197-1(lines 192 200) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1))) [2020-10-25 23:08:40,776 INFO L270 CegarLoopResult]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2020-10-25 23:08:40,777 INFO L270 CegarLoopResult]: At program point L197-3(lines 192 200) the Hoare annotation is: false [2020-10-25 23:08:40,777 INFO L270 CegarLoopResult]: At program point L197-4(lines 192 200) the Hoare annotation is: false [2020-10-25 23:08:40,777 INFO L270 CegarLoopResult]: At program point L197-5(lines 192 200) the Hoare annotation is: false [2020-10-25 23:08:40,777 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:08:40,777 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:40,777 INFO L274 CegarLoopResult]: For program point L660(lines 659 708) no Hoare annotation was computed. [2020-10-25 23:08:40,777 INFO L274 CegarLoopResult]: For program point L148(lines 148 156) no Hoare annotation was computed. [2020-10-25 23:08:40,777 INFO L274 CegarLoopResult]: For program point L148-1(lines 148 156) no Hoare annotation was computed. [2020-10-25 23:08:40,777 INFO L274 CegarLoopResult]: For program point L148-2(lines 148 156) no Hoare annotation was computed. [2020-10-25 23:08:40,778 INFO L270 CegarLoopResult]: At program point L941(lines 936 944) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2))) [2020-10-25 23:08:40,778 INFO L270 CegarLoopResult]: At program point L941-1(lines 936 944) the Hoare annotation is: false [2020-10-25 23:08:40,778 INFO L270 CegarLoopResult]: At program point L941-2(lines 936 944) the Hoare annotation is: false [2020-10-25 23:08:40,778 INFO L274 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-10-25 23:08:40,778 INFO L270 CegarLoopResult]: At program point L777(lines 773 779) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:40,778 INFO L270 CegarLoopResult]: At program point L67(lines 1 958) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:40,778 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-25 23:08:40,779 INFO L274 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2020-10-25 23:08:40,779 INFO L274 CegarLoopResult]: For program point L84-2(line 84) no Hoare annotation was computed. [2020-10-25 23:08:40,779 INFO L274 CegarLoopResult]: For program point L844(lines 844 861) no Hoare annotation was computed. [2020-10-25 23:08:40,779 INFO L270 CegarLoopResult]: At program point L844-1(lines 1 958) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) .cse2))) [2020-10-25 23:08:40,779 INFO L277 CegarLoopResult]: At program point L811(lines 792 814) the Hoare annotation is: true [2020-10-25 23:08:40,779 INFO L274 CegarLoopResult]: For program point L844-2(lines 844 861) no Hoare annotation was computed. [2020-10-25 23:08:40,779 INFO L270 CegarLoopResult]: At program point L844-3(lines 1 958) the Hoare annotation is: false [2020-10-25 23:08:40,779 INFO L274 CegarLoopResult]: For program point L844-4(lines 844 861) no Hoare annotation was computed. [2020-10-25 23:08:40,779 INFO L274 CegarLoopResult]: For program point L679(lines 679 685) no Hoare annotation was computed. [2020-10-25 23:08:40,780 INFO L270 CegarLoopResult]: At program point L844-5(lines 1 958) the Hoare annotation is: false [2020-10-25 23:08:40,780 INFO L270 CegarLoopResult]: At program point L679-1(lines 679 685) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-25 23:08:40,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:08:40 BoogieIcfgContainer [2020-10-25 23:08:40,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:08:40,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:08:40,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:08:40,816 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:08:40,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:08:34" (3/4) ... [2020-10-25 23:08:40,820 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:08:40,839 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:08:40,840 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:08:40,841 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:08:40,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:08:40,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:08:40,843 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:08:40,844 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:08:40,874 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((((1 <= pumpRunning && 2 <= tmp) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) [2020-10-25 23:08:40,874 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-25 23:08:40,875 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-25 23:08:40,875 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-25 23:08:40,876 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-25 23:08:40,876 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-25 23:08:40,876 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) [2020-10-25 23:08:40,877 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-25 23:08:40,878 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) [2020-10-25 23:08:40,878 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-25 23:08:40,879 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-25 23:08:40,879 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp___0 == 0) && waterLevel <= 2) || (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-25 23:08:40,976 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:08:40,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:08:40,977 INFO L168 Benchmark]: Toolchain (without parser) took 8497.17 ms. Allocated memory was 46.1 MB in the beginning and 146.8 MB in the end (delta: 100.7 MB). Free memory was 22.8 MB in the beginning and 121.5 MB in the end (delta: -98.7 MB). Peak memory consumption was 67.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:40,978 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 46.1 MB. Free memory was 33.5 MB in the beginning and 33.5 MB in the end (delta: 41.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:08:40,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.41 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.2 MB in the beginning and 31.9 MB in the end (delta: -9.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:40,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.32 ms. Allocated memory is still 56.6 MB. Free memory was 31.7 MB in the beginning and 28.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:40,979 INFO L168 Benchmark]: Boogie Preprocessor took 58.81 ms. Allocated memory is still 56.6 MB. Free memory was 28.6 MB in the beginning and 40.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:40,980 INFO L168 Benchmark]: RCFGBuilder took 989.04 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 40.1 MB in the beginning and 49.1 MB in the end (delta: -9.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:40,980 INFO L168 Benchmark]: TraceAbstraction took 6548.65 ms. Allocated memory was 69.2 MB in the beginning and 121.6 MB in the end (delta: 52.4 MB). Free memory was 48.7 MB in the beginning and 38.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 68.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:40,981 INFO L168 Benchmark]: Witness Printer took 160.44 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 38.4 MB in the beginning and 121.5 MB in the end (delta: -83.1 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:40,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 46.1 MB. Free memory was 33.5 MB in the beginning and 33.5 MB in the end (delta: 41.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 653.41 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.2 MB in the beginning and 31.9 MB in the end (delta: -9.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.32 ms. Allocated memory is still 56.6 MB. Free memory was 31.7 MB in the beginning and 28.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.81 ms. Allocated memory is still 56.6 MB. Free memory was 28.6 MB in the beginning and 40.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 989.04 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 40.1 MB in the beginning and 49.1 MB in the end (delta: -9.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6548.65 ms. Allocated memory was 69.2 MB in the beginning and 121.6 MB in the end (delta: 52.4 MB). Free memory was 48.7 MB in the beginning and 38.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 68.2 MB. Max. memory is 16.1 GB. * Witness Printer took 160.44 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 38.4 MB in the beginning and 121.5 MB in the end (delta: -83.1 MB). Peak memory consumption was 7.0 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: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp___0 == 0) && waterLevel <= 2) || (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((((1 <= pumpRunning && 2 <= tmp) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 92 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 845 SDtfs, 1416 SDslu, 1364 SDs, 0 SdLazy, 236 SolverSat, 85 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 806 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 195 NumberOfFragments, 525 HoareAnnotationTreeSize, 39 FomulaSimplifications, 93225 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 39 FomulaSimplificationsInter, 6014 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 25691 SizeOfPredicates, 4 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...