./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product53.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_spec4_product53.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 1934598361bf90cf9fb238c58075a62a8c7d160a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:07:40,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:07:40,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:07:40,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:07:40,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:07:40,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:07:40,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:07:40,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:07:40,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:07:40,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:07:40,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:07:40,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:07:40,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:07:40,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:07:40,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:07:40,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:07:40,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:07:40,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:07:40,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:07:40,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:07:40,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:07:40,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:07:40,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:07:40,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:07:40,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:07:40,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:07:40,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:07:40,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:07:40,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:07:40,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:07:40,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:07:40,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:07:40,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:07:40,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:07:40,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:07:40,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:07:40,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:07:40,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:07:40,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:07:40,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:07:40,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:07:40,239 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:07:40,285 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:07:40,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:07:40,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:07:40,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:07:40,290 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:07:40,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:07:40,291 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:07:40,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:07:40,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:07:40,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:07:40,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:07:40,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:07:40,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:07:40,293 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:07:40,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:07:40,294 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:07:40,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:07:40,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:07:40,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:07:40,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:07:40,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:07:40,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:07:40,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:07:40,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:07:40,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:07:40,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:07:40,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:07:40,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:07:40,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:07:40,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1934598361bf90cf9fb238c58075a62a8c7d160a [2020-10-25 23:07:40,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:07:40,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:07:40,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:07:40,778 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:07:40,779 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:07:40,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2020-10-25 23:07:40,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aaa00b50/85dbfc846cb0473295ff615c338c7369/FLAG48a338f07 [2020-10-25 23:07:41,441 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:07:41,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2020-10-25 23:07:41,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aaa00b50/85dbfc846cb0473295ff615c338c7369/FLAG48a338f07 [2020-10-25 23:07:41,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aaa00b50/85dbfc846cb0473295ff615c338c7369 [2020-10-25 23:07:41,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:07:41,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:07:41,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:07:41,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:07:41,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:07:41,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:07:41" (1/1) ... [2020-10-25 23:07:41,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc8cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:41, skipping insertion in model container [2020-10-25 23:07:41,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:07:41" (1/1) ... [2020-10-25 23:07:41,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:07:41,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:07:42,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:07:42,306 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:07:42,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:07:42,449 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:07:42,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:42 WrapperNode [2020-10-25 23:07:42,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:07:42,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:07:42,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:07:42,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:07:42,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:42" (1/1) ... [2020-10-25 23:07:42,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:42" (1/1) ... [2020-10-25 23:07:42,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:07:42,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:07:42,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:07:42,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:07:42,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:42" (1/1) ... [2020-10-25 23:07:42,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:42" (1/1) ... [2020-10-25 23:07:42,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:42" (1/1) ... [2020-10-25 23:07:42,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:42" (1/1) ... [2020-10-25 23:07:42,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:42" (1/1) ... [2020-10-25 23:07:42,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:42" (1/1) ... [2020-10-25 23:07:42,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:42" (1/1) ... [2020-10-25 23:07:42,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:07:42,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:07:42,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:07:42,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:07:42,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:07:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:07:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:07:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:07:42,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:07:44,084 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:07:44,084 INFO L298 CfgBuilder]: Removed 282 assume(true) statements. [2020-10-25 23:07:44,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:44 BoogieIcfgContainer [2020-10-25 23:07:44,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:07:44,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:07:44,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:07:44,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:07:44,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:07:41" (1/3) ... [2020-10-25 23:07:44,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0b4355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:07:44, skipping insertion in model container [2020-10-25 23:07:44,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:42" (2/3) ... [2020-10-25 23:07:44,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0b4355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:07:44, skipping insertion in model container [2020-10-25 23:07:44,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:44" (3/3) ... [2020-10-25 23:07:44,095 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2020-10-25 23:07:44,107 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:07:44,115 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:07:44,147 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:07:44,206 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:07:44,206 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:07:44,206 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:07:44,207 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:07:44,207 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:07:44,207 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:07:44,207 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:07:44,207 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:07:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-10-25 23:07:44,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:07:44,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:44,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:44,256 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:44,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:44,274 INFO L82 PathProgramCache]: Analyzing trace with hash -587287140, now seen corresponding path program 1 times [2020-10-25 23:07:44,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:44,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455190661] [2020-10-25 23:07:44,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:44,661 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 23:07:44,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455190661] [2020-10-25 23:07:44,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:44,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:07:44,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084691279] [2020-10-25 23:07:44,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:07:44,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:44,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:07:44,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:07:44,687 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2020-10-25 23:07:44,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:44,742 INFO L93 Difference]: Finished difference Result 375 states and 572 transitions. [2020-10-25 23:07:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:07:44,744 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:07:44,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:44,757 INFO L225 Difference]: With dead ends: 375 [2020-10-25 23:07:44,758 INFO L226 Difference]: Without dead ends: 185 [2020-10-25 23:07:44,762 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 23:07:44,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-10-25 23:07:44,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-10-25 23:07:44,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-25 23:07:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2020-10-25 23:07:44,822 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2020-10-25 23:07:44,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:44,823 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2020-10-25 23:07:44,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:07:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2020-10-25 23:07:44,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:07:44,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:44,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:44,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:07:44,830 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:44,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:44,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1634044037, now seen corresponding path program 1 times [2020-10-25 23:07:44,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:44,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221099802] [2020-10-25 23:07:44,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:45,004 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 23:07:45,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221099802] [2020-10-25 23:07:45,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:45,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:07:45,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269511914] [2020-10-25 23:07:45,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:07:45,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:45,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:07:45,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:07:45,008 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 3 states. [2020-10-25 23:07:45,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:45,025 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2020-10-25 23:07:45,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:07:45,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:07:45,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:45,028 INFO L225 Difference]: With dead ends: 185 [2020-10-25 23:07:45,028 INFO L226 Difference]: Without dead ends: 71 [2020-10-25 23:07:45,029 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 23:07:45,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-25 23:07:45,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-25 23:07:45,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-25 23:07:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2020-10-25 23:07:45,037 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2020-10-25 23:07:45,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:45,037 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2020-10-25 23:07:45,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:07:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-10-25 23:07:45,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:07:45,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:45,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:45,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:07:45,039 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:45,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:45,040 INFO L82 PathProgramCache]: Analyzing trace with hash 748559286, now seen corresponding path program 1 times [2020-10-25 23:07:45,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:45,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724572525] [2020-10-25 23:07:45,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:45,178 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 23:07:45,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724572525] [2020-10-25 23:07:45,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:45,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:07:45,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367562578] [2020-10-25 23:07:45,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:07:45,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:45,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:07:45,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:07:45,184 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 6 states. [2020-10-25 23:07:45,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:45,376 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2020-10-25 23:07:45,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:07:45,377 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-25 23:07:45,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:45,378 INFO L225 Difference]: With dead ends: 136 [2020-10-25 23:07:45,378 INFO L226 Difference]: Without dead ends: 71 [2020-10-25 23:07:45,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:07:45,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-25 23:07:45,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-25 23:07:45,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-25 23:07:45,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2020-10-25 23:07:45,387 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2020-10-25 23:07:45,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:45,388 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2020-10-25 23:07:45,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:07:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2020-10-25 23:07:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:07:45,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:45,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:45,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:07:45,400 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:45,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:45,401 INFO L82 PathProgramCache]: Analyzing trace with hash -682519882, now seen corresponding path program 1 times [2020-10-25 23:07:45,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:45,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614550540] [2020-10-25 23:07:45,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:45,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614550540] [2020-10-25 23:07:45,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:45,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:07:45,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133856505] [2020-10-25 23:07:45,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:07:45,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:45,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:07:45,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:07:45,507 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2020-10-25 23:07:45,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:45,580 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2020-10-25 23:07:45,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:07:45,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-25 23:07:45,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:45,582 INFO L225 Difference]: With dead ends: 145 [2020-10-25 23:07:45,583 INFO L226 Difference]: Without dead ends: 80 [2020-10-25 23:07:45,583 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 23:07:45,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-25 23:07:45,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2020-10-25 23:07:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-25 23:07:45,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2020-10-25 23:07:45,598 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2020-10-25 23:07:45,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:45,599 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2020-10-25 23:07:45,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:07:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2020-10-25 23:07:45,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-25 23:07:45,602 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:45,602 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:45,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:07:45,602 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:45,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:45,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1459548505, now seen corresponding path program 1 times [2020-10-25 23:07:45,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:45,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472997362] [2020-10-25 23:07:45,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:45,708 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 23:07:45,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472997362] [2020-10-25 23:07:45,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:45,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:07:45,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301149577] [2020-10-25 23:07:45,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:45,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:45,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:45,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:45,713 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2020-10-25 23:07:45,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:45,878 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2020-10-25 23:07:45,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:07:45,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-25 23:07:45,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:45,881 INFO L225 Difference]: With dead ends: 204 [2020-10-25 23:07:45,883 INFO L226 Difference]: Without dead ends: 132 [2020-10-25 23:07:45,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:07:45,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-25 23:07:45,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2020-10-25 23:07:45,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-25 23:07:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2020-10-25 23:07:45,904 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2020-10-25 23:07:45,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:45,905 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2020-10-25 23:07:45,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:45,905 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2020-10-25 23:07:45,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-25 23:07:45,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:45,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:45,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:07:45,907 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:45,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:45,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1202962538, now seen corresponding path program 1 times [2020-10-25 23:07:45,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:45,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266996187] [2020-10-25 23:07:45,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:46,005 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 23:07:46,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266996187] [2020-10-25 23:07:46,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:46,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:07:46,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464532473] [2020-10-25 23:07:46,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:46,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:46,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:46,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:46,011 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 5 states. [2020-10-25 23:07:46,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:46,157 INFO L93 Difference]: Finished difference Result 300 states and 417 transitions. [2020-10-25 23:07:46,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:07:46,158 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-25 23:07:46,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:46,159 INFO L225 Difference]: With dead ends: 300 [2020-10-25 23:07:46,160 INFO L226 Difference]: Without dead ends: 219 [2020-10-25 23:07:46,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:07:46,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-10-25 23:07:46,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 131. [2020-10-25 23:07:46,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-25 23:07:46,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 176 transitions. [2020-10-25 23:07:46,180 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 176 transitions. Word has length 31 [2020-10-25 23:07:46,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:46,180 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 176 transitions. [2020-10-25 23:07:46,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:46,180 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 176 transitions. [2020-10-25 23:07:46,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:07:46,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:46,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:46,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 23:07:46,182 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:46,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:46,183 INFO L82 PathProgramCache]: Analyzing trace with hash -909797332, now seen corresponding path program 1 times [2020-10-25 23:07:46,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:46,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548799447] [2020-10-25 23:07:46,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:46,237 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 23:07:46,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548799447] [2020-10-25 23:07:46,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:46,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:07:46,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200179522] [2020-10-25 23:07:46,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:07:46,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:46,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:07:46,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:07:46,239 INFO L87 Difference]: Start difference. First operand 131 states and 176 transitions. Second operand 4 states. [2020-10-25 23:07:46,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:46,412 INFO L93 Difference]: Finished difference Result 278 states and 379 transitions. [2020-10-25 23:07:46,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 23:07:46,413 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-25 23:07:46,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:46,414 INFO L225 Difference]: With dead ends: 278 [2020-10-25 23:07:46,414 INFO L226 Difference]: Without dead ends: 197 [2020-10-25 23:07:46,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:07:46,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-10-25 23:07:46,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2020-10-25 23:07:46,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-10-25 23:07:46,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 260 transitions. [2020-10-25 23:07:46,431 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 260 transitions. Word has length 32 [2020-10-25 23:07:46,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:46,432 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 260 transitions. [2020-10-25 23:07:46,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:07:46,432 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 260 transitions. [2020-10-25 23:07:46,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:07:46,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:46,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:46,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:07:46,434 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:46,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:46,435 INFO L82 PathProgramCache]: Analyzing trace with hash -651631894, now seen corresponding path program 1 times [2020-10-25 23:07:46,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:46,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685776175] [2020-10-25 23:07:46,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:46,482 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 23:07:46,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685776175] [2020-10-25 23:07:46,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:46,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:07:46,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090551305] [2020-10-25 23:07:46,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:07:46,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:46,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:07:46,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:07:46,485 INFO L87 Difference]: Start difference. First operand 194 states and 260 transitions. Second operand 4 states. [2020-10-25 23:07:46,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:46,596 INFO L93 Difference]: Finished difference Result 456 states and 623 transitions. [2020-10-25 23:07:46,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:07:46,597 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-25 23:07:46,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:46,599 INFO L225 Difference]: With dead ends: 456 [2020-10-25 23:07:46,599 INFO L226 Difference]: Without dead ends: 311 [2020-10-25 23:07:46,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:46,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-10-25 23:07:46,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 185. [2020-10-25 23:07:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-25 23:07:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 248 transitions. [2020-10-25 23:07:46,616 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 248 transitions. Word has length 32 [2020-10-25 23:07:46,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:46,617 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 248 transitions. [2020-10-25 23:07:46,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:07:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 248 transitions. [2020-10-25 23:07:46,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:07:46,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:46,619 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:46,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:07:46,619 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:46,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:46,620 INFO L82 PathProgramCache]: Analyzing trace with hash 587797349, now seen corresponding path program 1 times [2020-10-25 23:07:46,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:46,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854657394] [2020-10-25 23:07:46,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:46,691 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 23:07:46,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854657394] [2020-10-25 23:07:46,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:46,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:07:46,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881033287] [2020-10-25 23:07:46,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:46,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:46,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:46,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:46,694 INFO L87 Difference]: Start difference. First operand 185 states and 248 transitions. Second operand 5 states. [2020-10-25 23:07:46,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:46,898 INFO L93 Difference]: Finished difference Result 418 states and 565 transitions. [2020-10-25 23:07:46,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:07:46,899 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-25 23:07:46,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:46,901 INFO L225 Difference]: With dead ends: 418 [2020-10-25 23:07:46,901 INFO L226 Difference]: Without dead ends: 282 [2020-10-25 23:07:46,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:07:46,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-25 23:07:46,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 181. [2020-10-25 23:07:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-25 23:07:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 240 transitions. [2020-10-25 23:07:46,927 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 240 transitions. Word has length 32 [2020-10-25 23:07:46,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:46,927 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 240 transitions. [2020-10-25 23:07:46,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:46,928 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2020-10-25 23:07:46,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-25 23:07:46,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:46,933 INFO L422 BasicCegarLoop]: trace histogram [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 23:07:46,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:07:46,933 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:46,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:46,934 INFO L82 PathProgramCache]: Analyzing trace with hash -349153107, now seen corresponding path program 1 times [2020-10-25 23:07:46,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:46,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506772777] [2020-10-25 23:07:46,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-25 23:07:47,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506772777] [2020-10-25 23:07:47,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:47,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:07:47,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305873032] [2020-10-25 23:07:47,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:07:47,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:47,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:07:47,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:07:47,015 INFO L87 Difference]: Start difference. First operand 181 states and 240 transitions. Second operand 6 states. [2020-10-25 23:07:47,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:47,152 INFO L93 Difference]: Finished difference Result 379 states and 503 transitions. [2020-10-25 23:07:47,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:07:47,152 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-10-25 23:07:47,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:47,154 INFO L225 Difference]: With dead ends: 379 [2020-10-25 23:07:47,154 INFO L226 Difference]: Without dead ends: 204 [2020-10-25 23:07:47,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:07:47,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-10-25 23:07:47,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 154. [2020-10-25 23:07:47,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-25 23:07:47,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 199 transitions. [2020-10-25 23:07:47,169 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 199 transitions. Word has length 49 [2020-10-25 23:07:47,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:47,169 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 199 transitions. [2020-10-25 23:07:47,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:07:47,169 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 199 transitions. [2020-10-25 23:07:47,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-25 23:07:47,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:47,170 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:47,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 23:07:47,170 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:47,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:47,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1603394349, now seen corresponding path program 1 times [2020-10-25 23:07:47,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:47,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673214964] [2020-10-25 23:07:47,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:47,262 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-25 23:07:47,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673214964] [2020-10-25 23:07:47,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:47,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:07:47,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650221135] [2020-10-25 23:07:47,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:07:47,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:47,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:07:47,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:07:47,264 INFO L87 Difference]: Start difference. First operand 154 states and 199 transitions. Second operand 6 states. [2020-10-25 23:07:47,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:47,474 INFO L93 Difference]: Finished difference Result 742 states and 977 transitions. [2020-10-25 23:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-25 23:07:47,475 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-10-25 23:07:47,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:47,478 INFO L225 Difference]: With dead ends: 742 [2020-10-25 23:07:47,478 INFO L226 Difference]: Without dead ends: 594 [2020-10-25 23:07:47,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-25 23:07:47,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-25 23:07:47,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 300. [2020-10-25 23:07:47,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-10-25 23:07:47,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 385 transitions. [2020-10-25 23:07:47,511 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 385 transitions. Word has length 50 [2020-10-25 23:07:47,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:47,511 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 385 transitions. [2020-10-25 23:07:47,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:07:47,511 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 385 transitions. [2020-10-25 23:07:47,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-25 23:07:47,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:47,512 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:47,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 23:07:47,512 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:47,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:47,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1255133993, now seen corresponding path program 1 times [2020-10-25 23:07:47,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:47,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172026287] [2020-10-25 23:07:47,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-25 23:07:47,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172026287] [2020-10-25 23:07:47,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:47,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:07:47,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782636848] [2020-10-25 23:07:47,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:47,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:47,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:47,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:47,595 INFO L87 Difference]: Start difference. First operand 300 states and 385 transitions. Second operand 5 states. [2020-10-25 23:07:47,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:47,919 INFO L93 Difference]: Finished difference Result 780 states and 1006 transitions. [2020-10-25 23:07:47,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:07:47,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-25 23:07:47,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:47,924 INFO L225 Difference]: With dead ends: 780 [2020-10-25 23:07:47,925 INFO L226 Difference]: Without dead ends: 778 [2020-10-25 23:07:47,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 23:07:47,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-10-25 23:07:47,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 300. [2020-10-25 23:07:47,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-10-25 23:07:47,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 383 transitions. [2020-10-25 23:07:47,966 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 383 transitions. Word has length 51 [2020-10-25 23:07:47,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:47,968 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 383 transitions. [2020-10-25 23:07:47,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 383 transitions. [2020-10-25 23:07:47,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-25 23:07:47,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:47,969 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:47,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 23:07:47,970 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:47,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:47,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1891368542, now seen corresponding path program 1 times [2020-10-25 23:07:47,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:47,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585586939] [2020-10-25 23:07:47,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:48,108 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:48,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585586939] [2020-10-25 23:07:48,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36483975] [2020-10-25 23:07:48,108 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 23:07:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:48,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-25 23:07:48,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 23:07:48,475 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:48,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 23:07:48,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-25 23:07:48,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91936849] [2020-10-25 23:07:48,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:07:48,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:48,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:07:48,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:07:48,482 INFO L87 Difference]: Start difference. First operand 300 states and 383 transitions. Second operand 6 states. [2020-10-25 23:07:48,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:48,951 INFO L93 Difference]: Finished difference Result 968 states and 1254 transitions. [2020-10-25 23:07:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:07:48,952 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-10-25 23:07:48,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:48,956 INFO L225 Difference]: With dead ends: 968 [2020-10-25 23:07:48,956 INFO L226 Difference]: Without dead ends: 724 [2020-10-25 23:07:48,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-25 23:07:48,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2020-10-25 23:07:49,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 432. [2020-10-25 23:07:49,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-10-25 23:07:49,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 556 transitions. [2020-10-25 23:07:49,016 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 556 transitions. Word has length 57 [2020-10-25 23:07:49,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:49,017 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 556 transitions. [2020-10-25 23:07:49,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:07:49,017 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 556 transitions. [2020-10-25 23:07:49,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-25 23:07:49,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:49,019 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:49,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-25 23:07:49,233 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:49,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:49,235 INFO L82 PathProgramCache]: Analyzing trace with hash -195452411, now seen corresponding path program 2 times [2020-10-25 23:07:49,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:49,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495823899] [2020-10-25 23:07:49,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:49,491 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-25 23:07:49,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495823899] [2020-10-25 23:07:49,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:49,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:07:49,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603336716] [2020-10-25 23:07:49,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:49,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:49,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:49,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:49,495 INFO L87 Difference]: Start difference. First operand 432 states and 556 transitions. Second operand 5 states. [2020-10-25 23:07:50,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:50,099 INFO L93 Difference]: Finished difference Result 1334 states and 1736 transitions. [2020-10-25 23:07:50,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:07:50,100 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-25 23:07:50,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:50,104 INFO L225 Difference]: With dead ends: 1334 [2020-10-25 23:07:50,105 INFO L226 Difference]: Without dead ends: 956 [2020-10-25 23:07:50,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:07:50,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2020-10-25 23:07:50,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 608. [2020-10-25 23:07:50,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2020-10-25 23:07:50,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 775 transitions. [2020-10-25 23:07:50,200 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 775 transitions. Word has length 82 [2020-10-25 23:07:50,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:50,201 INFO L481 AbstractCegarLoop]: Abstraction has 608 states and 775 transitions. [2020-10-25 23:07:50,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:50,201 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 775 transitions. [2020-10-25 23:07:50,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-25 23:07:50,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:50,203 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:50,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-25 23:07:50,203 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:50,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:50,204 INFO L82 PathProgramCache]: Analyzing trace with hash -589819197, now seen corresponding path program 1 times [2020-10-25 23:07:50,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:50,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862461347] [2020-10-25 23:07:50,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-25 23:07:50,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862461347] [2020-10-25 23:07:50,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:50,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:07:50,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420776871] [2020-10-25 23:07:50,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:50,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:50,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:50,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:50,289 INFO L87 Difference]: Start difference. First operand 608 states and 775 transitions. Second operand 5 states. [2020-10-25 23:07:50,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:50,422 INFO L93 Difference]: Finished difference Result 1092 states and 1384 transitions. [2020-10-25 23:07:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:07:50,423 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-25 23:07:50,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:50,423 INFO L225 Difference]: With dead ends: 1092 [2020-10-25 23:07:50,423 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:07:50,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:07:50,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:07:50,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:07:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:07:50,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:07:50,428 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2020-10-25 23:07:50,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:50,428 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:07:50,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:50,428 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:07:50,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:07:50,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-25 23:07:50,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:07:51,135 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 184 [2020-10-25 23:07:51,441 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 109 [2020-10-25 23:07:51,844 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 151 [2020-10-25 23:07:52,244 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 153 [2020-10-25 23:07:52,663 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 173 [2020-10-25 23:07:52,857 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 110 [2020-10-25 23:07:53,022 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 119 [2020-10-25 23:07:55,201 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 176 DAG size of output: 22 [2020-10-25 23:07:55,858 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 30 [2020-10-25 23:07:56,120 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2020-10-25 23:07:57,493 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-10-25 23:07:57,636 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 15 [2020-10-25 23:07:57,764 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 19 [2020-10-25 23:07:57,968 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 15 [2020-10-25 23:07:59,100 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 139 DAG size of output: 27 [2020-10-25 23:08:01,061 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 165 DAG size of output: 35 [2020-10-25 23:08:01,821 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2020-10-25 23:08:02,630 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 28 [2020-10-25 23:08:03,458 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 38 [2020-10-25 23:08:03,961 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2020-10-25 23:08:04,770 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2020-10-25 23:08:04,848 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:04,849 INFO L274 CegarLoopResult]: For program point L432(lines 432 438) no Hoare annotation was computed. [2020-10-25 23:08:04,850 INFO L270 CegarLoopResult]: At program point L432-1(lines 432 438) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_main_~tmp~10 1)) (.cse7 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse3 .cse4) (and .cse5 .cse1 (= ~methaneLevelCritical~0 0) .cse6 .cse3 .cse7 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse7 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse4))) [2020-10-25 23:08:04,850 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:08:04,850 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:08:04,851 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:08:04,851 INFO L270 CegarLoopResult]: At program point L631(lines 626 634) the Hoare annotation is: false [2020-10-25 23:08:04,851 INFO L270 CegarLoopResult]: At program point L631-1(lines 626 634) the Hoare annotation is: false [2020-10-25 23:08:04,851 INFO L270 CegarLoopResult]: At program point L631-2(lines 626 634) the Hoare annotation is: false [2020-10-25 23:08:04,851 INFO L274 CegarLoopResult]: For program point L764(lines 764 768) no Hoare annotation was computed. [2020-10-25 23:08:04,852 INFO L274 CegarLoopResult]: For program point L764-3(lines 764 768) no Hoare annotation was computed. [2020-10-25 23:08:04,852 INFO L274 CegarLoopResult]: For program point L764-6(lines 764 768) no Hoare annotation was computed. [2020-10-25 23:08:04,852 INFO L274 CegarLoopResult]: For program point L699(lines 699 703) no Hoare annotation was computed. [2020-10-25 23:08:04,852 INFO L274 CegarLoopResult]: For program point L699-2(lines 699 703) no Hoare annotation was computed. [2020-10-25 23:08:04,852 INFO L274 CegarLoopResult]: For program point L699-3(lines 699 703) no Hoare annotation was computed. [2020-10-25 23:08:04,852 INFO L274 CegarLoopResult]: For program point L699-5(lines 699 703) no Hoare annotation was computed. [2020-10-25 23:08:04,852 INFO L270 CegarLoopResult]: At program point L501(lines 501 507) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse1 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 .cse3))) [2020-10-25 23:08:04,853 INFO L274 CegarLoopResult]: For program point L699-6(lines 699 703) no Hoare annotation was computed. [2020-10-25 23:08:04,853 INFO L270 CegarLoopResult]: At program point L468(lines 421 469) the Hoare annotation is: false [2020-10-25 23:08:04,853 INFO L270 CegarLoopResult]: At program point L501-1(lines 501 507) the Hoare annotation is: false [2020-10-25 23:08:04,853 INFO L274 CegarLoopResult]: For program point L699-8(lines 699 703) no Hoare annotation was computed. [2020-10-25 23:08:04,853 INFO L270 CegarLoopResult]: At program point L501-2(lines 501 507) the Hoare annotation is: false [2020-10-25 23:08:04,854 INFO L274 CegarLoopResult]: For program point L699-9(lines 699 703) no Hoare annotation was computed. [2020-10-25 23:08:04,854 INFO L274 CegarLoopResult]: For program point L699-11(lines 699 703) no Hoare annotation was computed. [2020-10-25 23:08:04,854 INFO L274 CegarLoopResult]: For program point L699-12(lines 699 703) no Hoare annotation was computed. [2020-10-25 23:08:04,854 INFO L274 CegarLoopResult]: For program point L699-14(lines 699 703) no Hoare annotation was computed. [2020-10-25 23:08:04,854 INFO L274 CegarLoopResult]: For program point L699-15(lines 699 703) no Hoare annotation was computed. [2020-10-25 23:08:04,854 INFO L274 CegarLoopResult]: For program point L699-17(lines 699 703) no Hoare annotation was computed. [2020-10-25 23:08:04,855 INFO L270 CegarLoopResult]: At program point L898-2(lines 898 912) the Hoare annotation is: false [2020-10-25 23:08:04,855 INFO L274 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-10-25 23:08:04,855 INFO L270 CegarLoopResult]: At program point L833(lines 828 836) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2) (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2020-10-25 23:08:04,855 INFO L270 CegarLoopResult]: At program point L833-1(lines 828 836) the Hoare annotation is: false [2020-10-25 23:08:04,855 INFO L270 CegarLoopResult]: At program point L833-2(lines 828 836) the Hoare annotation is: false [2020-10-25 23:08:04,855 INFO L270 CegarLoopResult]: At program point L801(lines 796 804) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= 1 ~systemActive~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:08:04,855 INFO L270 CegarLoopResult]: At program point L801-1(lines 796 804) the Hoare annotation is: false [2020-10-25 23:08:04,855 INFO L270 CegarLoopResult]: At program point L735(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:04,856 INFO L270 CegarLoopResult]: At program point L801-2(lines 796 804) the Hoare annotation is: false [2020-10-25 23:08:04,856 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:04,856 INFO L274 CegarLoopResult]: For program point L902(lines 902 906) no Hoare annotation was computed. [2020-10-25 23:08:04,856 INFO L274 CegarLoopResult]: For program point L869(lines 869 882) no Hoare annotation was computed. [2020-10-25 23:08:04,856 INFO L274 CegarLoopResult]: For program point L902-1(lines 494 500) no Hoare annotation was computed. [2020-10-25 23:08:04,856 INFO L270 CegarLoopResult]: At program point L869-1(lines 1 981) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (and .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse3 (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) .cse4))) [2020-10-25 23:08:04,857 INFO L274 CegarLoopResult]: For program point L869-2(lines 869 882) no Hoare annotation was computed. [2020-10-25 23:08:04,857 INFO L270 CegarLoopResult]: At program point L869-3(lines 1 981) the Hoare annotation is: false [2020-10-25 23:08:04,857 INFO L274 CegarLoopResult]: For program point L869-4(lines 869 882) no Hoare annotation was computed. [2020-10-25 23:08:04,857 INFO L270 CegarLoopResult]: At program point L869-5(lines 1 981) the Hoare annotation is: false [2020-10-25 23:08:04,857 INFO L274 CegarLoopResult]: For program point L969(lines 969 976) no Hoare annotation was computed. [2020-10-25 23:08:04,858 INFO L277 CegarLoopResult]: At program point L969-1(lines 969 976) the Hoare annotation is: true [2020-10-25 23:08:04,858 INFO L270 CegarLoopResult]: At program point L705(lines 690 708) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:08:04,858 INFO L270 CegarLoopResult]: At program point L705-1(lines 690 708) the Hoare annotation is: false [2020-10-25 23:08:04,858 INFO L270 CegarLoopResult]: At program point L705-2(lines 690 708) the Hoare annotation is: false [2020-10-25 23:08:04,858 INFO L270 CegarLoopResult]: At program point L705-3(lines 690 708) the Hoare annotation is: false [2020-10-25 23:08:04,859 INFO L270 CegarLoopResult]: At program point L705-4(lines 690 708) the Hoare annotation is: false [2020-10-25 23:08:04,859 INFO L270 CegarLoopResult]: At program point L705-5(lines 690 708) the Hoare annotation is: false [2020-10-25 23:08:04,859 INFO L274 CegarLoopResult]: For program point L442(lines 442 448) no Hoare annotation was computed. [2020-10-25 23:08:04,859 INFO L270 CegarLoopResult]: At program point L442-1(lines 442 448) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 .cse3))) [2020-10-25 23:08:04,859 INFO L274 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-10-25 23:08:04,859 INFO L274 CegarLoopResult]: For program point L873-2(lines 873 879) no Hoare annotation was computed. [2020-10-25 23:08:04,859 INFO L274 CegarLoopResult]: For program point L873-4(lines 873 879) no Hoare annotation was computed. [2020-10-25 23:08:04,859 INFO L274 CegarLoopResult]: For program point L841(lines 841 847) no Hoare annotation was computed. [2020-10-25 23:08:04,860 INFO L274 CegarLoopResult]: For program point L841-1(lines 841 847) no Hoare annotation was computed. [2020-10-25 23:08:04,860 INFO L274 CegarLoopResult]: For program point L841-2(lines 841 847) no Hoare annotation was computed. [2020-10-25 23:08:04,860 INFO L274 CegarLoopResult]: For program point L841-3(lines 841 847) no Hoare annotation was computed. [2020-10-25 23:08:04,860 INFO L274 CegarLoopResult]: For program point L841-4(lines 841 847) no Hoare annotation was computed. [2020-10-25 23:08:04,860 INFO L274 CegarLoopResult]: For program point L841-5(lines 841 847) no Hoare annotation was computed. [2020-10-25 23:08:04,860 INFO L274 CegarLoopResult]: For program point L841-6(lines 841 847) no Hoare annotation was computed. [2020-10-25 23:08:04,860 INFO L274 CegarLoopResult]: For program point L841-7(lines 841 847) no Hoare annotation was computed. [2020-10-25 23:08:04,860 INFO L274 CegarLoopResult]: For program point L841-8(lines 841 847) no Hoare annotation was computed. [2020-10-25 23:08:04,860 INFO L274 CegarLoopResult]: For program point L841-9(lines 841 847) no Hoare annotation was computed. [2020-10-25 23:08:04,860 INFO L274 CegarLoopResult]: For program point L841-10(lines 841 847) no Hoare annotation was computed. [2020-10-25 23:08:04,861 INFO L274 CegarLoopResult]: For program point L841-11(lines 841 847) no Hoare annotation was computed. [2020-10-25 23:08:04,861 INFO L274 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2020-10-25 23:08:04,861 INFO L270 CegarLoopResult]: At program point L743(lines 738 746) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:08:04,861 INFO L274 CegarLoopResult]: For program point L578(lines 578 595) no Hoare annotation was computed. [2020-10-25 23:08:04,861 INFO L274 CegarLoopResult]: For program point L578-1(lines 578 595) no Hoare annotation was computed. [2020-10-25 23:08:04,861 INFO L274 CegarLoopResult]: For program point L578-2(lines 578 595) no Hoare annotation was computed. [2020-10-25 23:08:04,862 INFO L274 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,862 INFO L274 CegarLoopResult]: For program point L680-2(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,862 INFO L274 CegarLoopResult]: For program point L680-3(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,862 INFO L274 CegarLoopResult]: For program point L680-5(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,862 INFO L274 CegarLoopResult]: For program point L680-6(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,862 INFO L274 CegarLoopResult]: For program point L680-8(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,862 INFO L274 CegarLoopResult]: For program point L680-9(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,862 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:08:04,863 INFO L274 CegarLoopResult]: For program point L680-11(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,863 INFO L274 CegarLoopResult]: For program point L680-12(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,863 INFO L274 CegarLoopResult]: For program point L680-14(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,863 INFO L274 CegarLoopResult]: For program point L680-15(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,863 INFO L274 CegarLoopResult]: For program point L680-17(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,863 INFO L274 CegarLoopResult]: For program point L680-18(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,863 INFO L274 CegarLoopResult]: For program point L680-20(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,863 INFO L274 CegarLoopResult]: For program point L680-21(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,863 INFO L277 CegarLoopResult]: At program point L978(lines 959 981) the Hoare annotation is: true [2020-10-25 23:08:04,863 INFO L274 CegarLoopResult]: For program point L680-23(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,863 INFO L274 CegarLoopResult]: For program point L680-24(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,863 INFO L270 CegarLoopResult]: At program point L846(lines 837 850) the Hoare annotation is: false [2020-10-25 23:08:04,864 INFO L274 CegarLoopResult]: For program point L680-26(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,864 INFO L270 CegarLoopResult]: At program point L846-1(lines 837 850) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ULTIMATE.start_main_~tmp~10 1) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4) (and .cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-10-25 23:08:04,864 INFO L274 CegarLoopResult]: For program point L680-27(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,864 INFO L270 CegarLoopResult]: At program point L846-2(lines 837 850) the Hoare annotation is: false [2020-10-25 23:08:04,864 INFO L270 CegarLoopResult]: At program point L846-3(lines 837 850) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ULTIMATE.start_main_~tmp~10 1) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3))) [2020-10-25 23:08:04,864 INFO L274 CegarLoopResult]: For program point L680-29(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,864 INFO L270 CegarLoopResult]: At program point L846-4(lines 837 850) the Hoare annotation is: false [2020-10-25 23:08:04,864 INFO L274 CegarLoopResult]: For program point L680-30(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,864 INFO L270 CegarLoopResult]: At program point L846-5(lines 837 850) the Hoare annotation is: false [2020-10-25 23:08:04,865 INFO L270 CegarLoopResult]: At program point L846-6(lines 837 850) the Hoare annotation is: false [2020-10-25 23:08:04,865 INFO L274 CegarLoopResult]: For program point L680-32(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,865 INFO L270 CegarLoopResult]: At program point L846-7(lines 837 850) the Hoare annotation is: false [2020-10-25 23:08:04,865 INFO L274 CegarLoopResult]: For program point L680-33(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,865 INFO L274 CegarLoopResult]: For program point L582(lines 582 590) no Hoare annotation was computed. [2020-10-25 23:08:04,865 INFO L270 CegarLoopResult]: At program point L846-8(lines 837 850) the Hoare annotation is: false [2020-10-25 23:08:04,865 INFO L274 CegarLoopResult]: For program point L582-1(lines 582 590) no Hoare annotation was computed. [2020-10-25 23:08:04,865 INFO L270 CegarLoopResult]: At program point L846-9(lines 837 850) the Hoare annotation is: false [2020-10-25 23:08:04,865 INFO L274 CegarLoopResult]: For program point L680-35(lines 680 684) no Hoare annotation was computed. [2020-10-25 23:08:04,865 INFO L274 CegarLoopResult]: For program point L582-2(lines 582 590) no Hoare annotation was computed. [2020-10-25 23:08:04,865 INFO L270 CegarLoopResult]: At program point L846-10(lines 837 850) the Hoare annotation is: false [2020-10-25 23:08:04,865 INFO L270 CegarLoopResult]: At program point L846-11(lines 837 850) the Hoare annotation is: false [2020-10-25 23:08:04,866 INFO L270 CegarLoopResult]: At program point L946(lines 942 948) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:08:04,866 INFO L274 CegarLoopResult]: For program point L452(lines 452 463) no Hoare annotation was computed. [2020-10-25 23:08:04,866 INFO L274 CegarLoopResult]: For program point L552(lines 552 569) no Hoare annotation was computed. [2020-10-25 23:08:04,866 INFO L274 CegarLoopResult]: For program point L552-1(lines 552 569) no Hoare annotation was computed. [2020-10-25 23:08:04,866 INFO L274 CegarLoopResult]: For program point L552-2(lines 552 569) no Hoare annotation was computed. [2020-10-25 23:08:04,866 INFO L274 CegarLoopResult]: For program point L552-3(lines 552 569) no Hoare annotation was computed. [2020-10-25 23:08:04,866 INFO L274 CegarLoopResult]: For program point L552-4(lines 552 569) no Hoare annotation was computed. [2020-10-25 23:08:04,866 INFO L274 CegarLoopResult]: For program point L552-5(lines 552 569) no Hoare annotation was computed. [2020-10-25 23:08:04,866 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:08:04,866 INFO L274 CegarLoopResult]: For program point L752(line 752) no Hoare annotation was computed. [2020-10-25 23:08:04,866 INFO L274 CegarLoopResult]: For program point L752-1(line 752) no Hoare annotation was computed. [2020-10-25 23:08:04,866 INFO L270 CegarLoopResult]: At program point L686(lines 671 689) the Hoare annotation is: false [2020-10-25 23:08:04,866 INFO L274 CegarLoopResult]: For program point L752-2(line 752) no Hoare annotation was computed. [2020-10-25 23:08:04,867 INFO L270 CegarLoopResult]: At program point L686-1(lines 671 689) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not .cse1) (= ULTIMATE.start_main_~tmp~10 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not .cse2) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5) (and .cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse1 (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-10-25 23:08:04,867 INFO L270 CegarLoopResult]: At program point L686-2(lines 671 689) the Hoare annotation is: false [2020-10-25 23:08:04,867 INFO L270 CegarLoopResult]: At program point L686-3(lines 671 689) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (not .cse0) (= ULTIMATE.start_main_~tmp~10 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (not .cse3) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse4 (<= 1 ~waterLevel~0) .cse5))) [2020-10-25 23:08:04,867 INFO L270 CegarLoopResult]: At program point L686-4(lines 671 689) the Hoare annotation is: false [2020-10-25 23:08:04,867 INFO L270 CegarLoopResult]: At program point L686-5(lines 671 689) the Hoare annotation is: false [2020-10-25 23:08:04,867 INFO L270 CegarLoopResult]: At program point L686-6(lines 671 689) the Hoare annotation is: false [2020-10-25 23:08:04,867 INFO L270 CegarLoopResult]: At program point L686-7(lines 671 689) the Hoare annotation is: false [2020-10-25 23:08:04,867 INFO L270 CegarLoopResult]: At program point L686-8(lines 671 689) the Hoare annotation is: false [2020-10-25 23:08:04,867 INFO L270 CegarLoopResult]: At program point L686-9(lines 671 689) the Hoare annotation is: false [2020-10-25 23:08:04,868 INFO L270 CegarLoopResult]: At program point L686-10(lines 671 689) the Hoare annotation is: false [2020-10-25 23:08:04,868 INFO L270 CegarLoopResult]: At program point L686-11(lines 671 689) the Hoare annotation is: false [2020-10-25 23:08:04,868 INFO L274 CegarLoopResult]: For program point L423(lines 422 467) no Hoare annotation was computed. [2020-10-25 23:08:04,868 INFO L270 CegarLoopResult]: At program point L622(lines 615 625) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= 1 ~systemActive~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:08:04,868 INFO L270 CegarLoopResult]: At program point L622-1(lines 615 625) the Hoare annotation is: false [2020-10-25 23:08:04,868 INFO L274 CegarLoopResult]: For program point L556(lines 556 564) no Hoare annotation was computed. [2020-10-25 23:08:04,868 INFO L270 CegarLoopResult]: At program point L622-2(lines 615 625) the Hoare annotation is: false [2020-10-25 23:08:04,868 INFO L274 CegarLoopResult]: For program point L556-1(lines 556 564) no Hoare annotation was computed. [2020-10-25 23:08:04,868 INFO L274 CegarLoopResult]: For program point L556-2(lines 556 564) no Hoare annotation was computed. [2020-10-25 23:08:04,868 INFO L274 CegarLoopResult]: For program point L556-3(lines 556 564) no Hoare annotation was computed. [2020-10-25 23:08:04,868 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-10-25 23:08:04,868 INFO L274 CegarLoopResult]: For program point L556-4(lines 556 564) no Hoare annotation was computed. [2020-10-25 23:08:04,869 INFO L274 CegarLoopResult]: For program point L556-5(lines 556 564) no Hoare annotation was computed. [2020-10-25 23:08:04,869 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:08:04,869 INFO L274 CegarLoopResult]: For program point L788(lines 788 792) no Hoare annotation was computed. [2020-10-25 23:08:04,869 INFO L274 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-10-25 23:08:04,869 INFO L274 CegarLoopResult]: For program point L458-2(lines 494 500) no Hoare annotation was computed. [2020-10-25 23:08:04,869 INFO L270 CegarLoopResult]: At program point L856(lines 851 859) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) (= ULTIMATE.start_main_~tmp~10 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:08:04,869 INFO L270 CegarLoopResult]: At program point L856-1(lines 851 859) the Hoare annotation is: false [2020-10-25 23:08:04,869 INFO L270 CegarLoopResult]: At program point L856-2(lines 851 859) the Hoare annotation is: false [2020-10-25 23:08:04,869 INFO L270 CegarLoopResult]: At program point L856-3(lines 851 859) the Hoare annotation is: false [2020-10-25 23:08:04,869 INFO L270 CegarLoopResult]: At program point L856-4(lines 851 859) the Hoare annotation is: false [2020-10-25 23:08:04,869 INFO L270 CegarLoopResult]: At program point L856-5(lines 851 859) the Hoare annotation is: false [2020-10-25 23:08:04,869 INFO L274 CegarLoopResult]: For program point L526(lines 526 543) no Hoare annotation was computed. [2020-10-25 23:08:04,870 INFO L274 CegarLoopResult]: For program point L526-1(lines 526 543) no Hoare annotation was computed. [2020-10-25 23:08:04,870 INFO L274 CegarLoopResult]: For program point L526-2(lines 526 543) no Hoare annotation was computed. [2020-10-25 23:08:04,870 INFO L274 CegarLoopResult]: For program point L526-3(lines 526 543) no Hoare annotation was computed. [2020-10-25 23:08:04,870 INFO L274 CegarLoopResult]: For program point L526-4(lines 526 543) no Hoare annotation was computed. [2020-10-25 23:08:04,870 INFO L274 CegarLoopResult]: For program point L526-5(lines 526 543) no Hoare annotation was computed. [2020-10-25 23:08:04,870 INFO L274 CegarLoopResult]: For program point L526-6(lines 526 543) no Hoare annotation was computed. [2020-10-25 23:08:04,870 INFO L274 CegarLoopResult]: For program point L526-7(lines 526 543) no Hoare annotation was computed. [2020-10-25 23:08:04,870 INFO L274 CegarLoopResult]: For program point L526-8(lines 526 543) no Hoare annotation was computed. [2020-10-25 23:08:04,870 INFO L274 CegarLoopResult]: For program point L526-9(lines 526 543) no Hoare annotation was computed. [2020-10-25 23:08:04,870 INFO L274 CegarLoopResult]: For program point L526-10(lines 526 543) no Hoare annotation was computed. [2020-10-25 23:08:04,870 INFO L274 CegarLoopResult]: For program point L526-11(lines 526 543) no Hoare annotation was computed. [2020-10-25 23:08:04,870 INFO L270 CegarLoopResult]: At program point L494(lines 493 512) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 .cse3 .cse4))) [2020-10-25 23:08:04,871 INFO L274 CegarLoopResult]: For program point L494-1(lines 494 500) no Hoare annotation was computed. [2020-10-25 23:08:04,871 INFO L270 CegarLoopResult]: At program point L494-2(lines 493 512) the Hoare annotation is: false [2020-10-25 23:08:04,871 INFO L270 CegarLoopResult]: At program point L494-3(lines 493 512) the Hoare annotation is: false [2020-10-25 23:08:04,871 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:08:04,871 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:04,871 INFO L274 CegarLoopResult]: For program point L530(lines 530 538) no Hoare annotation was computed. [2020-10-25 23:08:04,871 INFO L274 CegarLoopResult]: For program point L530-1(lines 530 538) no Hoare annotation was computed. [2020-10-25 23:08:04,871 INFO L274 CegarLoopResult]: For program point L530-2(lines 530 538) no Hoare annotation was computed. [2020-10-25 23:08:04,871 INFO L274 CegarLoopResult]: For program point L530-3(lines 530 538) no Hoare annotation was computed. [2020-10-25 23:08:04,871 INFO L274 CegarLoopResult]: For program point L530-4(lines 530 538) no Hoare annotation was computed. [2020-10-25 23:08:04,871 INFO L274 CegarLoopResult]: For program point L530-5(lines 530 538) no Hoare annotation was computed. [2020-10-25 23:08:04,872 INFO L274 CegarLoopResult]: For program point L530-6(lines 530 538) no Hoare annotation was computed. [2020-10-25 23:08:04,872 INFO L274 CegarLoopResult]: For program point L530-7(lines 530 538) no Hoare annotation was computed. [2020-10-25 23:08:04,872 INFO L274 CegarLoopResult]: For program point L530-8(lines 530 538) no Hoare annotation was computed. [2020-10-25 23:08:04,872 INFO L274 CegarLoopResult]: For program point L530-9(lines 530 538) no Hoare annotation was computed. [2020-10-25 23:08:04,872 INFO L274 CegarLoopResult]: For program point L530-10(lines 530 538) no Hoare annotation was computed. [2020-10-25 23:08:04,872 INFO L274 CegarLoopResult]: For program point L530-11(lines 530 538) no Hoare annotation was computed. [2020-10-25 23:08:04,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:08:04 BoogieIcfgContainer [2020-10-25 23:08:04,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:08:04,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:08:04,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:08:04,907 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:08:04,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:44" (3/4) ... [2020-10-25 23:08:04,911 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:08:04,947 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:08:04,951 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:08:04,953 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:08:04,956 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:08:04,959 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:08:04,960 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:08:04,962 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:08:04,989 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-10-25 23:08:04,989 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-10-25 23:08:04,989 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp)) || ((((((((tmp == 1 && \result == 0) && \result == systemActive) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) && 2 <= tmp) && \result == 1) [2020-10-25 23:08:04,990 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp)) || (((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:04,990 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:04,991 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-10-25 23:08:04,991 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:04,993 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && 1 == systemActive) && 2 <= \result) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) [2020-10-25 23:08:04,993 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-25 23:08:04,994 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-25 23:08:04,995 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(\result == 0) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-10-25 23:08:04,997 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) || (((((((((!(\result == 0) && tmp == 1) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-10-25 23:08:04,998 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && tmp == 1) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-25 23:08:04,999 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && !(\result == 0)) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 0 && tmp == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:05,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && \result == 1) && tmp == 1) && \result == systemActive) && \result == 0) && tmp___0 == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1 [2020-10-25 23:08:05,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 0 && !(\result == 0)) && tmp == 1) && tmp___0 == 0) && \result == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((((tmp == 0 && tmp == systemActive) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:05,158 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:08:05,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:08:05,159 INFO L168 Benchmark]: Toolchain (without parser) took 23385.18 ms. Allocated memory was 46.1 MB in the beginning and 211.8 MB in the end (delta: 165.7 MB). Free memory was 30.9 MB in the beginning and 160.4 MB in the end (delta: -129.6 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:05,160 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 46.1 MB. Free memory was 28.5 MB in the beginning and 28.4 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:08:05,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.81 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 30.2 MB in the beginning and 28.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:05,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.34 ms. Allocated memory is still 56.6 MB. Free memory was 28.5 MB in the beginning and 37.0 MB in the end (delta: -8.5 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:05,161 INFO L168 Benchmark]: Boogie Preprocessor took 109.44 ms. Allocated memory is still 56.6 MB. Free memory was 37.0 MB in the beginning and 33.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:05,161 INFO L168 Benchmark]: RCFGBuilder took 1385.84 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.4 MB in the beginning and 33.3 MB in the end (delta: 68.6 kB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:05,162 INFO L168 Benchmark]: TraceAbstraction took 20818.30 ms. Allocated memory was 69.2 MB in the beginning and 211.8 MB in the end (delta: 142.6 MB). Free memory was 32.9 MB in the beginning and 176.3 MB in the end (delta: -143.4 MB). Peak memory consumption was 115.9 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:05,162 INFO L168 Benchmark]: Witness Printer took 251.12 ms. Allocated memory is still 211.8 MB. Free memory was 176.3 MB in the beginning and 160.4 MB in the end (delta: 15.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:05,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 46.1 MB. Free memory was 28.5 MB in the beginning and 28.4 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 666.81 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 30.2 MB in the beginning and 28.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 137.34 ms. Allocated memory is still 56.6 MB. Free memory was 28.5 MB in the beginning and 37.0 MB in the end (delta: -8.5 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.44 ms. Allocated memory is still 56.6 MB. Free memory was 37.0 MB in the beginning and 33.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1385.84 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.4 MB in the beginning and 33.3 MB in the end (delta: 68.6 kB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20818.30 ms. Allocated memory was 69.2 MB in the beginning and 211.8 MB in the end (delta: 142.6 MB). Free memory was 32.9 MB in the beginning and 176.3 MB in the end (delta: -143.4 MB). Peak memory consumption was 115.9 MB. Max. memory is 16.1 GB. * Witness Printer took 251.12 ms. Allocated memory is still 211.8 MB. Free memory was 176.3 MB in the beginning and 160.4 MB in the end (delta: 15.9 MB). Peak memory consumption was 14.7 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: 442]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && 1 == systemActive) && 2 <= \result) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && \result == 1) && tmp == 1) && \result == systemActive) && \result == 0) && tmp___0 == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: ((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && tmp == 1) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: ((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp)) || (((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && !(\result == 0)) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 0 && tmp == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(\result == 0) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp)) || ((((((((tmp == 1 && \result == 0) && \result == systemActive) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) && 2 <= tmp) && \result == 1) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: ((((((((((tmp == 0 && !(\result == 0)) && tmp == 1) && tmp___0 == 0) && \result == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((((tmp == 0 && tmp == systemActive) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) || (((((((((!(\result == 0) && tmp == 1) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 192 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.2s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2017 SDtfs, 3080 SDslu, 3099 SDs, 0 SdLazy, 485 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=608occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1827 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 66 PreInvPairs, 230 NumberOfFragments, 740 HoareAnnotationTreeSize, 66 FomulaSimplifications, 3550471 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 66 FomulaSimplificationsInter, 446237 FormulaSimplificationTreeSizeReductionInter, 11.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 666 NumberOfCodeBlocks, 666 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 56485 SizeOfPredicates, 4 NumberOfNonLiveVariables, 440 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 170/176 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...