./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer --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 26f7660d8ab24b35503e9d3e9f36c3801ecfd446 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:30:34,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:30:34,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:30:34,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:30:34,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:30:34,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:30:34,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:30:34,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:30:34,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:30:34,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:30:34,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:30:34,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:30:34,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:30:34,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:30:34,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:30:34,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:30:34,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:30:34,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:30:34,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:30:34,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:30:34,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:30:34,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:30:34,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:30:34,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:30:34,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:30:34,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:30:34,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:30:34,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:30:34,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:30:34,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:30:34,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:30:34,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:30:34,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:30:34,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:30:34,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:30:34,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:30:34,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:30:34,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:30:34,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:30:34,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:30:34,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:30:34,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:30:34,277 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:30:34,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:30:34,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:30:34,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:30:34,280 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:30:34,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:30:34,281 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:30:34,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:30:34,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:30:34,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:30:34,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:30:34,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:30:34,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:30:34,284 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:30:34,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:30:34,284 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:30:34,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:30:34,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:30:34,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:30:34,285 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:30:34,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:30:34,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:30:34,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:30:34,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:30:34,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:30:34,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:30:34,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:30:34,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:30:34,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:30:34,288 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:/tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26f7660d8ab24b35503e9d3e9f36c3801ecfd446 [2020-11-30 01:30:34,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:30:34,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:30:34,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:30:34,615 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:30:34,616 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:30:34,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2020-11-30 01:30:34,707 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer/data/6ee5f8148/c24bf230a38847ff8ca8450f27e539ca/FLAG0f8a8b416 [2020-11-30 01:30:35,241 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:30:35,249 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2020-11-30 01:30:35,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer/data/6ee5f8148/c24bf230a38847ff8ca8450f27e539ca/FLAG0f8a8b416 [2020-11-30 01:30:35,526 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer/data/6ee5f8148/c24bf230a38847ff8ca8450f27e539ca [2020-11-30 01:30:35,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:30:35,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:30:35,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:30:35,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:30:35,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:30:35,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:30:35" (1/1) ... [2020-11-30 01:30:35,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46041a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:35, skipping insertion in model container [2020-11-30 01:30:35,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:30:35" (1/1) ... [2020-11-30 01:30:35,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:30:35,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:30:35,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:30:35,989 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:30:36,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:30:36,158 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:30:36,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:36 WrapperNode [2020-11-30 01:30:36,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:30:36,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:30:36,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:30:36,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:30:36,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:36" (1/1) ... [2020-11-30 01:30:36,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:36" (1/1) ... [2020-11-30 01:30:36,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:30:36,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:30:36,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:30:36,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:30:36,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:36" (1/1) ... [2020-11-30 01:30:36,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:36" (1/1) ... [2020-11-30 01:30:36,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:36" (1/1) ... [2020-11-30 01:30:36,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:36" (1/1) ... [2020-11-30 01:30:36,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:36" (1/1) ... [2020-11-30 01:30:36,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:36" (1/1) ... [2020-11-30 01:30:36,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:36" (1/1) ... [2020-11-30 01:30:36,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:30:36,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:30:36,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:30:36,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:30:36,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer/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 [2020-11-30 01:30:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:30:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:30:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:30:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:30:37,617 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:30:37,617 INFO L298 CfgBuilder]: Removed 200 assume(true) statements. [2020-11-30 01:30:37,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:37 BoogieIcfgContainer [2020-11-30 01:30:37,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:30:37,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:30:37,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:30:37,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:30:37,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:30:35" (1/3) ... [2020-11-30 01:30:37,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328c44ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:30:37, skipping insertion in model container [2020-11-30 01:30:37,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:36" (2/3) ... [2020-11-30 01:30:37,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328c44ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:30:37, skipping insertion in model container [2020-11-30 01:30:37,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:37" (3/3) ... [2020-11-30 01:30:37,633 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2020-11-30 01:30:37,645 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:30:37,650 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 01:30:37,661 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 01:30:37,689 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:30:37,689 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:30:37,689 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:30:37,689 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:30:37,689 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:30:37,689 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:30:37,689 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:30:37,690 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:30:37,716 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-11-30 01:30:37,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:30:37,723 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:37,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:37,725 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:37,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:37,732 INFO L82 PathProgramCache]: Analyzing trace with hash 452487524, now seen corresponding path program 1 times [2020-11-30 01:30:37,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:37,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310117217] [2020-11-30 01:30:37,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:38,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:38,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310117217] [2020-11-30 01:30:38,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:38,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:30:38,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074943171] [2020-11-30 01:30:38,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:30:38,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:38,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:30:38,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:30:38,055 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2020-11-30 01:30:38,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:38,094 INFO L93 Difference]: Finished difference Result 274 states and 411 transitions. [2020-11-30 01:30:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:30:38,096 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-30 01:30:38,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:38,116 INFO L225 Difference]: With dead ends: 274 [2020-11-30 01:30:38,116 INFO L226 Difference]: Without dead ends: 135 [2020-11-30 01:30:38,128 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 [2020-11-30 01:30:38,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-11-30 01:30:38,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-11-30 01:30:38,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-30 01:30:38,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2020-11-30 01:30:38,209 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2020-11-30 01:30:38,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:38,210 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2020-11-30 01:30:38,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:30:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2020-11-30 01:30:38,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:30:38,213 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:38,213 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:38,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:30:38,214 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:38,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:38,217 INFO L82 PathProgramCache]: Analyzing trace with hash 233651555, now seen corresponding path program 1 times [2020-11-30 01:30:38,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:38,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492430268] [2020-11-30 01:30:38,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:38,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:38,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492430268] [2020-11-30 01:30:38,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:38,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:30:38,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472664560] [2020-11-30 01:30:38,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:30:38,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:38,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:30:38,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:30:38,378 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2020-11-30 01:30:38,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:38,402 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2020-11-30 01:30:38,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:30:38,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 01:30:38,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:38,404 INFO L225 Difference]: With dead ends: 135 [2020-11-30 01:30:38,405 INFO L226 Difference]: Without dead ends: 55 [2020-11-30 01:30:38,406 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 [2020-11-30 01:30:38,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-30 01:30:38,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-30 01:30:38,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-30 01:30:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-11-30 01:30:38,412 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-11-30 01:30:38,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:38,413 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-11-30 01:30:38,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:30:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-11-30 01:30:38,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:30:38,414 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:38,414 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:38,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:30:38,415 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:38,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:38,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1475398090, now seen corresponding path program 1 times [2020-11-30 01:30:38,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:38,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604572796] [2020-11-30 01:30:38,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:38,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:38,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604572796] [2020-11-30 01:30:38,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:38,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:30:38,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474739414] [2020-11-30 01:30:38,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:30:38,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:38,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:30:38,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:30:38,564 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2020-11-30 01:30:38,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:38,724 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2020-11-30 01:30:38,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:30:38,725 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-11-30 01:30:38,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:38,726 INFO L225 Difference]: With dead ends: 103 [2020-11-30 01:30:38,727 INFO L226 Difference]: Without dead ends: 55 [2020-11-30 01:30:38,729 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 [2020-11-30 01:30:38,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-30 01:30:38,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-30 01:30:38,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-30 01:30:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-11-30 01:30:38,744 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-11-30 01:30:38,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:38,744 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-11-30 01:30:38,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:30:38,745 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-11-30 01:30:38,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:30:38,747 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:38,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:38,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:30:38,748 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:38,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:38,749 INFO L82 PathProgramCache]: Analyzing trace with hash 597219871, now seen corresponding path program 1 times [2020-11-30 01:30:38,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:38,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526857516] [2020-11-30 01:30:38,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:38,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526857516] [2020-11-30 01:30:38,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:38,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:30:38,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305783698] [2020-11-30 01:30:38,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:30:38,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:38,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:30:38,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:30:38,865 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-11-30 01:30:38,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:38,903 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2020-11-30 01:30:38,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:30:38,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-30 01:30:38,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:38,905 INFO L225 Difference]: With dead ends: 125 [2020-11-30 01:30:38,905 INFO L226 Difference]: Without dead ends: 77 [2020-11-30 01:30:38,905 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 [2020-11-30 01:30:38,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-11-30 01:30:38,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2020-11-30 01:30:38,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-30 01:30:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-11-30 01:30:38,925 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2020-11-30 01:30:38,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:38,926 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-11-30 01:30:38,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:30:38,926 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-11-30 01:30:38,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 01:30:38,927 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:38,928 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] [2020-11-30 01:30:38,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:30:38,928 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:38,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:38,929 INFO L82 PathProgramCache]: Analyzing trace with hash -105705555, now seen corresponding path program 1 times [2020-11-30 01:30:38,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:38,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623303076] [2020-11-30 01:30:38,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:38,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623303076] [2020-11-30 01:30:38,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:38,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:30:38,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386759058] [2020-11-30 01:30:38,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:30:38,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:38,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:30:38,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:30:38,983 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-11-30 01:30:39,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:39,015 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2020-11-30 01:30:39,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:30:39,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-11-30 01:30:39,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:39,017 INFO L225 Difference]: With dead ends: 194 [2020-11-30 01:30:39,017 INFO L226 Difference]: Without dead ends: 126 [2020-11-30 01:30:39,018 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 [2020-11-30 01:30:39,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-11-30 01:30:39,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2020-11-30 01:30:39,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-11-30 01:30:39,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2020-11-30 01:30:39,030 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2020-11-30 01:30:39,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:39,030 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2020-11-30 01:30:39,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:30:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2020-11-30 01:30:39,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 01:30:39,032 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:39,032 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] [2020-11-30 01:30:39,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:30:39,032 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:39,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:39,033 INFO L82 PathProgramCache]: Analyzing trace with hash 481100459, now seen corresponding path program 1 times [2020-11-30 01:30:39,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:39,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330368591] [2020-11-30 01:30:39,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:39,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:39,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330368591] [2020-11-30 01:30:39,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:39,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:30:39,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263526226] [2020-11-30 01:30:39,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:30:39,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:39,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:30:39,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:30:39,121 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2020-11-30 01:30:39,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:39,275 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2020-11-30 01:30:39,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 01:30:39,276 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-30 01:30:39,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:39,279 INFO L225 Difference]: With dead ends: 622 [2020-11-30 01:30:39,279 INFO L226 Difference]: Without dead ends: 505 [2020-11-30 01:30:39,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:30:39,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-11-30 01:30:39,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2020-11-30 01:30:39,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-11-30 01:30:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2020-11-30 01:30:39,324 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2020-11-30 01:30:39,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:39,329 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2020-11-30 01:30:39,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:30:39,329 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2020-11-30 01:30:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 01:30:39,336 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:39,337 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:39,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:30:39,337 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:39,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:39,338 INFO L82 PathProgramCache]: Analyzing trace with hash 480943923, now seen corresponding path program 1 times [2020-11-30 01:30:39,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:39,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798606507] [2020-11-30 01:30:39,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:39,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:39,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798606507] [2020-11-30 01:30:39,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:39,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:30:39,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547576591] [2020-11-30 01:30:39,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:30:39,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:39,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:30:39,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:30:39,421 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2020-11-30 01:30:39,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:39,627 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2020-11-30 01:30:39,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 01:30:39,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-30 01:30:39,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:39,632 INFO L225 Difference]: With dead ends: 865 [2020-11-30 01:30:39,632 INFO L226 Difference]: Without dead ends: 645 [2020-11-30 01:30:39,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:30:39,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-11-30 01:30:39,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2020-11-30 01:30:39,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-11-30 01:30:39,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2020-11-30 01:30:39,671 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2020-11-30 01:30:39,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:39,673 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2020-11-30 01:30:39,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:30:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2020-11-30 01:30:39,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:30:39,676 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:39,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:39,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:30:39,676 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:39,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:39,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1552355764, now seen corresponding path program 1 times [2020-11-30 01:30:39,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:39,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700047487] [2020-11-30 01:30:39,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:39,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:39,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700047487] [2020-11-30 01:30:39,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:39,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:30:39,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239384587] [2020-11-30 01:30:39,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:30:39,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:39,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:30:39,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:30:39,761 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2020-11-30 01:30:39,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:39,864 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2020-11-30 01:30:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:30:39,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-30 01:30:39,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:39,867 INFO L225 Difference]: With dead ends: 609 [2020-11-30 01:30:39,867 INFO L226 Difference]: Without dead ends: 391 [2020-11-30 01:30:39,868 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 [2020-11-30 01:30:39,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-11-30 01:30:39,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2020-11-30 01:30:39,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-11-30 01:30:39,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2020-11-30 01:30:39,897 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2020-11-30 01:30:39,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:39,897 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2020-11-30 01:30:39,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:30:39,898 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2020-11-30 01:30:39,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:30:39,899 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:39,900 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:39,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:30:39,901 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:39,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:39,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1731494282, now seen corresponding path program 1 times [2020-11-30 01:30:39,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:39,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050243612] [2020-11-30 01:30:39,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:39,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050243612] [2020-11-30 01:30:39,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:39,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:30:39,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785975207] [2020-11-30 01:30:39,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:30:39,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:39,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:30:40,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:30:40,000 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 6 states. [2020-11-30 01:30:40,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:40,117 INFO L93 Difference]: Finished difference Result 550 states and 732 transitions. [2020-11-30 01:30:40,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:30:40,118 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-11-30 01:30:40,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:40,120 INFO L225 Difference]: With dead ends: 550 [2020-11-30 01:30:40,120 INFO L226 Difference]: Without dead ends: 314 [2020-11-30 01:30:40,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:30:40,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-11-30 01:30:40,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 204. [2020-11-30 01:30:40,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-11-30 01:30:40,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2020-11-30 01:30:40,144 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2020-11-30 01:30:40,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:40,144 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2020-11-30 01:30:40,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:30:40,144 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2020-11-30 01:30:40,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 01:30:40,145 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:40,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:40,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 01:30:40,146 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:40,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:40,146 INFO L82 PathProgramCache]: Analyzing trace with hash -764052856, now seen corresponding path program 1 times [2020-11-30 01:30:40,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:40,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647470283] [2020-11-30 01:30:40,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:40,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647470283] [2020-11-30 01:30:40,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:40,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:30:40,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601793690] [2020-11-30 01:30:40,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:30:40,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:40,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:30:40,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:30:40,240 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2020-11-30 01:30:40,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:40,515 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2020-11-30 01:30:40,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 01:30:40,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-11-30 01:30:40,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:40,519 INFO L225 Difference]: With dead ends: 615 [2020-11-30 01:30:40,519 INFO L226 Difference]: Without dead ends: 418 [2020-11-30 01:30:40,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-30 01:30:40,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-11-30 01:30:40,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2020-11-30 01:30:40,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-11-30 01:30:40,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2020-11-30 01:30:40,545 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2020-11-30 01:30:40,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:40,545 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2020-11-30 01:30:40,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:30:40,546 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2020-11-30 01:30:40,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 01:30:40,547 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:40,547 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:40,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 01:30:40,548 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:40,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:40,548 INFO L82 PathProgramCache]: Analyzing trace with hash 746215448, now seen corresponding path program 1 times [2020-11-30 01:30:40,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:40,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347792543] [2020-11-30 01:30:40,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:30:40,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347792543] [2020-11-30 01:30:40,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:40,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-30 01:30:40,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47109155] [2020-11-30 01:30:40,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 01:30:40,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:40,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 01:30:40,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:30:40,647 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2020-11-30 01:30:40,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:40,784 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2020-11-30 01:30:40,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 01:30:40,785 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-11-30 01:30:40,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:40,787 INFO L225 Difference]: With dead ends: 516 [2020-11-30 01:30:40,787 INFO L226 Difference]: Without dead ends: 369 [2020-11-30 01:30:40,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-30 01:30:40,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-11-30 01:30:40,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2020-11-30 01:30:40,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-11-30 01:30:40,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2020-11-30 01:30:40,812 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2020-11-30 01:30:40,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:40,813 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2020-11-30 01:30:40,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 01:30:40,814 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2020-11-30 01:30:40,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 01:30:40,815 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:40,815 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:40,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:30:40,815 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:40,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:40,816 INFO L82 PathProgramCache]: Analyzing trace with hash 488050010, now seen corresponding path program 1 times [2020-11-30 01:30:40,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:40,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863958051] [2020-11-30 01:30:40,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:40,878 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:40,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863958051] [2020-11-30 01:30:40,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:40,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:30:40,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83871287] [2020-11-30 01:30:40,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:30:40,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:40,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:30:40,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:30:40,886 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2020-11-30 01:30:40,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:40,938 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2020-11-30 01:30:40,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:30:40,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-30 01:30:40,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:40,941 INFO L225 Difference]: With dead ends: 331 [2020-11-30 01:30:40,941 INFO L226 Difference]: Without dead ends: 329 [2020-11-30 01:30:40,942 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 [2020-11-30 01:30:40,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-11-30 01:30:40,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2020-11-30 01:30:40,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-11-30 01:30:40,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2020-11-30 01:30:40,968 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2020-11-30 01:30:40,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:40,968 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2020-11-30 01:30:40,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:30:40,969 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2020-11-30 01:30:40,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-30 01:30:40,970 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:40,970 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2020-11-30 01:30:40,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 01:30:40,970 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:40,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:40,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1765608871, now seen corresponding path program 1 times [2020-11-30 01:30:40,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:40,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818771419] [2020-11-30 01:30:40,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:41,152 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:30:41,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818771419] [2020-11-30 01:30:41,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:41,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:30:41,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208301418] [2020-11-30 01:30:41,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:30:41,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:41,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:30:41,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:30:41,155 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2020-11-30 01:30:41,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:41,392 INFO L93 Difference]: Finished difference Result 589 states and 784 transitions. [2020-11-30 01:30:41,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:30:41,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-30 01:30:41,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:41,395 INFO L225 Difference]: With dead ends: 589 [2020-11-30 01:30:41,395 INFO L226 Difference]: Without dead ends: 410 [2020-11-30 01:30:41,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:30:41,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2020-11-30 01:30:41,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 269. [2020-11-30 01:30:41,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-11-30 01:30:41,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2020-11-30 01:30:41,431 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2020-11-30 01:30:41,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:41,431 INFO L481 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2020-11-30 01:30:41,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:30:41,431 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2020-11-30 01:30:41,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-30 01:30:41,432 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:41,433 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2020-11-30 01:30:41,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 01:30:41,433 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:41,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:41,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1508290071, now seen corresponding path program 1 times [2020-11-30 01:30:41,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:41,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928342380] [2020-11-30 01:30:41,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:41,533 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:41,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928342380] [2020-11-30 01:30:41,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479237627] [2020-11-30 01:30:41,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer/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 [2020-11-30 01:30:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:41,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:30:41,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:30:41,825 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:41,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:30:41,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-30 01:30:41,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070043350] [2020-11-30 01:30:41,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:30:41,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:41,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:30:41,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:30:41,829 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2020-11-30 01:30:42,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:42,209 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2020-11-30 01:30:42,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:30:42,210 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-11-30 01:30:42,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:42,212 INFO L225 Difference]: With dead ends: 559 [2020-11-30 01:30:42,213 INFO L226 Difference]: Without dead ends: 294 [2020-11-30 01:30:42,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:30:42,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-11-30 01:30:42,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2020-11-30 01:30:42,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-11-30 01:30:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2020-11-30 01:30:42,266 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2020-11-30 01:30:42,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:42,267 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2020-11-30 01:30:42,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:30:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2020-11-30 01:30:42,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-30 01:30:42,275 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:42,275 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2020-11-30 01:30:42,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-30 01:30:42,483 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:42,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:42,483 INFO L82 PathProgramCache]: Analyzing trace with hash -468601353, now seen corresponding path program 2 times [2020-11-30 01:30:42,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:42,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760693764] [2020-11-30 01:30:42,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 01:30:42,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760693764] [2020-11-30 01:30:42,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:42,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:30:42,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137596046] [2020-11-30 01:30:42,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:30:42,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:42,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:30:42,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:30:42,631 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2020-11-30 01:30:42,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:42,871 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2020-11-30 01:30:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:30:42,872 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-11-30 01:30:42,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:42,873 INFO L225 Difference]: With dead ends: 608 [2020-11-30 01:30:42,873 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:30:42,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:30:42,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:30:42,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:30:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:30:42,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:30:42,875 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-11-30 01:30:42,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:42,875 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:30:42,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:30:42,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:30:42,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:30:42,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-30 01:30:42,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:30:43,180 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 139 [2020-11-30 01:30:43,457 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 137 [2020-11-30 01:30:43,671 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 114 [2020-11-30 01:30:43,875 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 125 [2020-11-30 01:30:44,037 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 129 [2020-11-30 01:30:44,438 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 164 [2020-11-30 01:30:44,752 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 160 [2020-11-30 01:30:45,356 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 176 [2020-11-30 01:30:45,853 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2020-11-30 01:30:45,995 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2020-11-30 01:30:46,748 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 39 [2020-11-30 01:30:47,050 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 24 [2020-11-30 01:30:47,615 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 31 [2020-11-30 01:30:47,907 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2020-11-30 01:30:48,495 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 35 [2020-11-30 01:30:48,776 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2020-11-30 01:30:49,188 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 38 [2020-11-30 01:30:49,366 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-11-30 01:30:50,152 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 30 [2020-11-30 01:30:50,811 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 40 [2020-11-30 01:30:51,477 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 31 [2020-11-30 01:30:51,506 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:30:51,506 INFO L270 CegarLoopResult]: At program point L300(lines 295 302) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-30 01:30:51,506 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 01:30:51,506 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 01:30:51,506 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 01:30:51,506 INFO L274 CegarLoopResult]: For program point L400(lines 400 417) no Hoare annotation was computed. [2020-11-30 01:30:51,506 INFO L274 CegarLoopResult]: For program point L400-1(lines 400 417) no Hoare annotation was computed. [2020-11-30 01:30:51,506 INFO L274 CegarLoopResult]: For program point L400-2(lines 400 417) no Hoare annotation was computed. [2020-11-30 01:30:51,506 INFO L270 CegarLoopResult]: At program point L203-2(lines 203 217) the Hoare annotation is: false [2020-11-30 01:30:51,507 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-11-30 01:30:51,507 INFO L274 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-11-30 01:30:51,507 INFO L274 CegarLoopResult]: For program point L171-1(lines 171 177) no Hoare annotation was computed. [2020-11-30 01:30:51,507 INFO L274 CegarLoopResult]: For program point L171-2(lines 171 177) no Hoare annotation was computed. [2020-11-30 01:30:51,507 INFO L274 CegarLoopResult]: For program point L171-3(lines 171 177) no Hoare annotation was computed. [2020-11-30 01:30:51,507 INFO L274 CegarLoopResult]: For program point L171-4(lines 171 177) no Hoare annotation was computed. [2020-11-30 01:30:51,507 INFO L274 CegarLoopResult]: For program point L171-5(lines 171 177) no Hoare annotation was computed. [2020-11-30 01:30:51,508 INFO L274 CegarLoopResult]: For program point L106(lines 106 110) no Hoare annotation was computed. [2020-11-30 01:30:51,508 INFO L274 CegarLoopResult]: For program point L437(lines 437 443) no Hoare annotation was computed. [2020-11-30 01:30:51,508 INFO L274 CegarLoopResult]: For program point L404(lines 404 412) no Hoare annotation was computed. [2020-11-30 01:30:51,508 INFO L274 CegarLoopResult]: For program point L437-2(lines 437 443) no Hoare annotation was computed. [2020-11-30 01:30:51,508 INFO L274 CegarLoopResult]: For program point L404-1(lines 404 412) no Hoare annotation was computed. [2020-11-30 01:30:51,508 INFO L274 CegarLoopResult]: For program point L404-2(lines 404 412) no Hoare annotation was computed. [2020-11-30 01:30:51,508 INFO L274 CegarLoopResult]: For program point L437-4(lines 437 443) no Hoare annotation was computed. [2020-11-30 01:30:51,508 INFO L274 CegarLoopResult]: For program point L437-6(lines 437 443) no Hoare annotation was computed. [2020-11-30 01:30:51,509 INFO L274 CegarLoopResult]: For program point L437-8(lines 437 443) no Hoare annotation was computed. [2020-11-30 01:30:51,509 INFO L274 CegarLoopResult]: For program point L437-10(lines 437 443) no Hoare annotation was computed. [2020-11-30 01:30:51,509 INFO L274 CegarLoopResult]: For program point L570(lines 570 576) no Hoare annotation was computed. [2020-11-30 01:30:51,509 INFO L270 CegarLoopResult]: At program point L570-1(lines 570 576) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse3 .cse5 .cse6 .cse7) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= ULTIMATE.start_main_~tmp~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-11-30 01:30:51,509 INFO L270 CegarLoopResult]: At program point L471(lines 466 474) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 01:30:51,509 INFO L270 CegarLoopResult]: At program point L471-1(lines 466 474) the Hoare annotation is: false [2020-11-30 01:30:51,509 INFO L270 CegarLoopResult]: At program point L471-2(lines 466 474) the Hoare annotation is: false [2020-11-30 01:30:51,509 INFO L274 CegarLoopResult]: For program point L207(lines 207 211) no Hoare annotation was computed. [2020-11-30 01:30:51,509 INFO L274 CegarLoopResult]: For program point L207-1(lines 342 348) no Hoare annotation was computed. [2020-11-30 01:30:51,509 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-30 01:30:51,510 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:30:51,510 INFO L274 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-11-30 01:30:51,510 INFO L274 CegarLoopResult]: For program point L539-2(lines 539 543) no Hoare annotation was computed. [2020-11-30 01:30:51,510 INFO L274 CegarLoopResult]: For program point L539-3(lines 539 543) no Hoare annotation was computed. [2020-11-30 01:30:51,510 INFO L274 CegarLoopResult]: For program point L374(lines 374 391) no Hoare annotation was computed. [2020-11-30 01:30:51,510 INFO L274 CegarLoopResult]: For program point L539-5(lines 539 543) no Hoare annotation was computed. [2020-11-30 01:30:51,510 INFO L274 CegarLoopResult]: For program point L374-1(lines 374 391) no Hoare annotation was computed. [2020-11-30 01:30:51,510 INFO L274 CegarLoopResult]: For program point L539-6(lines 539 543) no Hoare annotation was computed. [2020-11-30 01:30:51,510 INFO L274 CegarLoopResult]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2020-11-30 01:30:51,510 INFO L274 CegarLoopResult]: For program point L374-3(lines 374 391) no Hoare annotation was computed. [2020-11-30 01:30:51,510 INFO L274 CegarLoopResult]: For program point L539-8(lines 539 543) no Hoare annotation was computed. [2020-11-30 01:30:51,510 INFO L274 CegarLoopResult]: For program point L374-4(lines 374 391) no Hoare annotation was computed. [2020-11-30 01:30:51,510 INFO L274 CegarLoopResult]: For program point L374-5(lines 374 391) no Hoare annotation was computed. [2020-11-30 01:30:51,511 INFO L270 CegarLoopResult]: At program point L176(lines 167 180) the Hoare annotation is: false [2020-11-30 01:30:51,511 INFO L270 CegarLoopResult]: At program point L176-1(lines 167 180) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse7 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse3 .cse4 .cse9 .cse5 .cse6) (and .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse9 .cse5 .cse6))) [2020-11-30 01:30:51,511 INFO L270 CegarLoopResult]: At program point L176-2(lines 167 180) the Hoare annotation is: false [2020-11-30 01:30:51,511 INFO L270 CegarLoopResult]: At program point L176-3(lines 167 180) the Hoare annotation is: false [2020-11-30 01:30:51,511 INFO L270 CegarLoopResult]: At program point L176-4(lines 167 180) the Hoare annotation is: false [2020-11-30 01:30:51,511 INFO L270 CegarLoopResult]: At program point L176-5(lines 167 180) the Hoare annotation is: false [2020-11-30 01:30:51,511 INFO L270 CegarLoopResult]: At program point L606(lines 559 607) the Hoare annotation is: false [2020-11-30 01:30:51,511 INFO L270 CegarLoopResult]: At program point L342(lines 341 360) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse1 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse5 .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-11-30 01:30:51,512 INFO L274 CegarLoopResult]: For program point L342-1(lines 342 348) no Hoare annotation was computed. [2020-11-30 01:30:51,512 INFO L270 CegarLoopResult]: At program point L342-2(lines 341 360) the Hoare annotation is: false [2020-11-30 01:30:51,512 INFO L270 CegarLoopResult]: At program point L342-3(lines 341 360) the Hoare annotation is: false [2020-11-30 01:30:51,512 INFO L274 CegarLoopResult]: For program point L311(lines 311 328) no Hoare annotation was computed. [2020-11-30 01:30:51,512 INFO L274 CegarLoopResult]: For program point L278(lines 278 285) no Hoare annotation was computed. [2020-11-30 01:30:51,512 INFO L270 CegarLoopResult]: At program point L311-1(lines 1 988) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= ULTIMATE.start_main_~tmp~0 1) .cse6 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-11-30 01:30:51,512 INFO L274 CegarLoopResult]: For program point L311-2(lines 311 328) no Hoare annotation was computed. [2020-11-30 01:30:51,512 INFO L277 CegarLoopResult]: At program point L278-1(lines 278 285) the Hoare annotation is: true [2020-11-30 01:30:51,512 INFO L270 CegarLoopResult]: At program point L311-3(lines 1 988) the Hoare annotation is: false [2020-11-30 01:30:51,512 INFO L274 CegarLoopResult]: For program point L311-4(lines 311 328) no Hoare annotation was computed. [2020-11-30 01:30:51,512 INFO L270 CegarLoopResult]: At program point L311-5(lines 1 988) the Hoare annotation is: false [2020-11-30 01:30:51,512 INFO L274 CegarLoopResult]: For program point L378(lines 378 386) no Hoare annotation was computed. [2020-11-30 01:30:51,513 INFO L274 CegarLoopResult]: For program point L378-1(lines 378 386) no Hoare annotation was computed. [2020-11-30 01:30:51,513 INFO L274 CegarLoopResult]: For program point L378-2(lines 378 386) no Hoare annotation was computed. [2020-11-30 01:30:51,513 INFO L274 CegarLoopResult]: For program point L378-3(lines 378 386) no Hoare annotation was computed. [2020-11-30 01:30:51,513 INFO L274 CegarLoopResult]: For program point L378-4(lines 378 386) no Hoare annotation was computed. [2020-11-30 01:30:51,513 INFO L274 CegarLoopResult]: For program point L378-5(lines 378 386) no Hoare annotation was computed. [2020-11-30 01:30:51,513 INFO L270 CegarLoopResult]: At program point L545(lines 530 548) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0))) (.cse1 (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0))) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-11-30 01:30:51,513 INFO L270 CegarLoopResult]: At program point L545-1(lines 530 548) the Hoare annotation is: false [2020-11-30 01:30:51,513 INFO L270 CegarLoopResult]: At program point L545-2(lines 530 548) the Hoare annotation is: false [2020-11-30 01:30:51,513 INFO L274 CegarLoopResult]: For program point L315(lines 315 325) no Hoare annotation was computed. [2020-11-30 01:30:51,513 INFO L274 CegarLoopResult]: For program point L315-2(lines 315 325) no Hoare annotation was computed. [2020-11-30 01:30:51,513 INFO L274 CegarLoopResult]: For program point L315-4(lines 315 325) no Hoare annotation was computed. [2020-11-30 01:30:51,513 INFO L274 CegarLoopResult]: For program point L580(lines 580 586) no Hoare annotation was computed. [2020-11-30 01:30:51,514 INFO L270 CegarLoopResult]: At program point L580-1(lines 580 586) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ULTIMATE.start_main_~tmp~0 1) .cse1 .cse6 .cse7 .cse3 .cse4 .cse5 .cse8) (and .cse9 .cse0 .cse2 .cse3 .cse4 .cse5 .cse8) (and .cse9 .cse0 .cse6 .cse3 .cse7 .cse4 .cse5 .cse8))) [2020-11-30 01:30:51,514 INFO L270 CegarLoopResult]: At program point L349(lines 349 355) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse6 .cse3 .cse4) (and (= ~methaneLevelCritical~0 1) .cse0 .cse5 .cse2 .cse6 .cse3 .cse4))) [2020-11-30 01:30:51,514 INFO L274 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-11-30 01:30:51,514 INFO L270 CegarLoopResult]: At program point L349-1(lines 349 355) the Hoare annotation is: false [2020-11-30 01:30:51,514 INFO L270 CegarLoopResult]: At program point L349-2(lines 349 355) the Hoare annotation is: false [2020-11-30 01:30:51,514 INFO L274 CegarLoopResult]: For program point L316-2(lines 316 322) no Hoare annotation was computed. [2020-11-30 01:30:51,514 INFO L274 CegarLoopResult]: For program point L316-4(lines 316 322) no Hoare annotation was computed. [2020-11-30 01:30:51,514 INFO L274 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2020-11-30 01:30:51,514 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:30:51,516 INFO L270 CegarLoopResult]: At program point L252(lines 248 254) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-30 01:30:51,516 INFO L270 CegarLoopResult]: At program point L186(lines 181 189) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)))) [2020-11-30 01:30:51,517 INFO L270 CegarLoopResult]: At program point L186-1(lines 181 189) the Hoare annotation is: false [2020-11-30 01:30:51,517 INFO L270 CegarLoopResult]: At program point L186-2(lines 181 189) the Hoare annotation is: false [2020-11-30 01:30:51,517 INFO L277 CegarLoopResult]: At program point L287(lines 268 290) the Hoare annotation is: true [2020-11-30 01:30:51,517 INFO L274 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-11-30 01:30:51,517 INFO L274 CegarLoopResult]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2020-11-30 01:30:51,517 INFO L274 CegarLoopResult]: For program point L520-3(lines 520 524) no Hoare annotation was computed. [2020-11-30 01:30:51,517 INFO L274 CegarLoopResult]: For program point L520-5(lines 520 524) no Hoare annotation was computed. [2020-11-30 01:30:51,517 INFO L274 CegarLoopResult]: For program point L520-6(lines 520 524) no Hoare annotation was computed. [2020-11-30 01:30:51,518 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:30:51,518 INFO L274 CegarLoopResult]: For program point L520-8(lines 520 524) no Hoare annotation was computed. [2020-11-30 01:30:51,518 INFO L274 CegarLoopResult]: For program point L520-9(lines 520 524) no Hoare annotation was computed. [2020-11-30 01:30:51,518 INFO L274 CegarLoopResult]: For program point L520-11(lines 520 524) no Hoare annotation was computed. [2020-11-30 01:30:51,518 INFO L274 CegarLoopResult]: For program point L520-12(lines 520 524) no Hoare annotation was computed. [2020-11-30 01:30:51,518 INFO L274 CegarLoopResult]: For program point L520-14(lines 520 524) no Hoare annotation was computed. [2020-11-30 01:30:51,518 INFO L274 CegarLoopResult]: For program point L520-15(lines 520 524) no Hoare annotation was computed. [2020-11-30 01:30:51,518 INFO L274 CegarLoopResult]: For program point L520-17(lines 520 524) no Hoare annotation was computed. [2020-11-30 01:30:51,518 INFO L274 CegarLoopResult]: For program point L985(line 985) no Hoare annotation was computed. [2020-11-30 01:30:51,518 INFO L274 CegarLoopResult]: For program point L985-1(line 985) no Hoare annotation was computed. [2020-11-30 01:30:51,518 INFO L274 CegarLoopResult]: For program point L985-2(line 985) no Hoare annotation was computed. [2020-11-30 01:30:51,518 INFO L274 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2020-11-30 01:30:51,518 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:30:51,519 INFO L274 CegarLoopResult]: For program point L94-3(lines 94 98) no Hoare annotation was computed. [2020-11-30 01:30:51,519 INFO L274 CegarLoopResult]: For program point L94-6(lines 94 98) no Hoare annotation was computed. [2020-11-30 01:30:51,519 INFO L274 CegarLoopResult]: For program point L590(lines 590 601) no Hoare annotation was computed. [2020-11-30 01:30:51,519 INFO L270 CegarLoopResult]: At program point L526(lines 511 529) the Hoare annotation is: false [2020-11-30 01:30:51,519 INFO L270 CegarLoopResult]: At program point L526-1(lines 511 529) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse2 .cse11 .cse5 .cse6 .cse8 .cse9) (and .cse2 .cse3 .cse11 .cse5 .cse6 .cse8 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-11-30 01:30:51,519 INFO L270 CegarLoopResult]: At program point L526-2(lines 511 529) the Hoare annotation is: false [2020-11-30 01:30:51,519 INFO L270 CegarLoopResult]: At program point L526-3(lines 511 529) the Hoare annotation is: false [2020-11-30 01:30:51,519 INFO L270 CegarLoopResult]: At program point L526-4(lines 511 529) the Hoare annotation is: false [2020-11-30 01:30:51,519 INFO L270 CegarLoopResult]: At program point L526-5(lines 511 529) the Hoare annotation is: false [2020-11-30 01:30:51,519 INFO L270 CegarLoopResult]: At program point L131(lines 126 134) the Hoare annotation is: false [2020-11-30 01:30:51,520 INFO L270 CegarLoopResult]: At program point L131-1(lines 126 134) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:30:51,520 INFO L270 CegarLoopResult]: At program point L131-2(lines 126 134) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse4 .cse6 .cse7) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-11-30 01:30:51,520 INFO L270 CegarLoopResult]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2020-11-30 01:30:51,520 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:30:51,520 INFO L270 CegarLoopResult]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2020-11-30 01:30:51,520 INFO L270 CegarLoopResult]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2020-11-30 01:30:51,520 INFO L270 CegarLoopResult]: At program point L131-6(lines 126 134) the Hoare annotation is: false [2020-11-30 01:30:51,520 INFO L270 CegarLoopResult]: At program point L131-7(lines 126 134) the Hoare annotation is: false [2020-11-30 01:30:51,520 INFO L270 CegarLoopResult]: At program point L131-8(lines 126 134) the Hoare annotation is: false [2020-11-30 01:30:51,520 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:30:51,521 INFO L274 CegarLoopResult]: For program point L561(lines 560 605) no Hoare annotation was computed. [2020-11-30 01:30:51,521 INFO L270 CegarLoopResult]: At program point L462(lines 455 465) the Hoare annotation is: false [2020-11-30 01:30:51,521 INFO L270 CegarLoopResult]: At program point L462-1(lines 455 465) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:30:51,521 INFO L270 CegarLoopResult]: At program point L462-2(lines 455 465) the Hoare annotation is: false [2020-11-30 01:30:51,521 INFO L270 CegarLoopResult]: At program point L462-3(lines 455 465) the Hoare annotation is: false [2020-11-30 01:30:51,521 INFO L270 CegarLoopResult]: At program point L462-4(lines 455 465) the Hoare annotation is: false [2020-11-30 01:30:51,521 INFO L270 CegarLoopResult]: At program point L462-5(lines 455 465) the Hoare annotation is: false [2020-11-30 01:30:51,521 INFO L274 CegarLoopResult]: For program point L562(lines 562 566) no Hoare annotation was computed. [2020-11-30 01:30:51,521 INFO L270 CegarLoopResult]: At program point L67(lines 1 988) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 01:30:51,521 INFO L274 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-11-30 01:30:51,521 INFO L274 CegarLoopResult]: For program point L596-2(lines 342 348) no Hoare annotation was computed. [2020-11-30 01:30:51,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:30:51 BoogieIcfgContainer [2020-11-30 01:30:51,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:30:51,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:30:51,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:30:51,580 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:30:51,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:37" (3/4) ... [2020-11-30 01:30:51,587 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:30:51,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 01:30:51,623 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 01:30:51,625 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 01:30:51,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:30:51,628 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:30:51,629 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:30:51,631 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:30:51,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-30 01:30:51,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 [2020-11-30 01:30:51,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 [2020-11-30 01:30:51,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || (((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-11-30 01:30:51,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-11-30 01:30:51,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-11-30 01:30:51,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-11-30 01:30:51,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-11-30 01:30:51,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-11-30 01:30:51,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-11-30 01:30:51,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-11-30 01:30:51,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1 [2020-11-30 01:30:51,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == 1 && !(tmp___0 == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((((!(tmp___0 == 0) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-11-30 01:30:51,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp___0 == 0 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-11-30 01:30:51,678 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) [2020-11-30 01:30:51,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) [2020-11-30 01:30:51,791 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_25983398-9e75-4674-9d7f-27f3a6a52cb7/bin/uautomizer/witness.graphml [2020-11-30 01:30:51,792 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:30:51,793 INFO L168 Benchmark]: Toolchain (without parser) took 16262.28 ms. Allocated memory was 77.6 MB in the beginning and 270.5 MB in the end (delta: 192.9 MB). Free memory was 46.0 MB in the beginning and 136.5 MB in the end (delta: -90.4 MB). Peak memory consumption was 103.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:51,794 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 77.6 MB. Free memory was 37.3 MB in the beginning and 37.2 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:30:51,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.06 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 45.8 MB in the beginning and 63.5 MB in the end (delta: -17.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:51,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.73 ms. Allocated memory is still 96.5 MB. Free memory was 63.5 MB in the beginning and 59.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:51,795 INFO L168 Benchmark]: Boogie Preprocessor took 52.76 ms. Allocated memory is still 96.5 MB. Free memory was 59.1 MB in the beginning and 56.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:51,796 INFO L168 Benchmark]: RCFGBuilder took 1284.20 ms. Allocated memory is still 96.5 MB. Free memory was 56.1 MB in the beginning and 68.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:51,796 INFO L168 Benchmark]: TraceAbstraction took 13957.16 ms. Allocated memory was 96.5 MB in the beginning and 270.5 MB in the end (delta: 174.1 MB). Free memory was 68.1 MB in the beginning and 149.1 MB in the end (delta: -81.0 MB). Peak memory consumption was 158.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:51,796 INFO L168 Benchmark]: Witness Printer took 211.90 ms. Allocated memory is still 270.5 MB. Free memory was 148.0 MB in the beginning and 136.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:51,800 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 77.6 MB. Free memory was 37.3 MB in the beginning and 37.2 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 628.06 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 45.8 MB in the beginning and 63.5 MB in the end (delta: -17.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 119.73 ms. Allocated memory is still 96.5 MB. Free memory was 63.5 MB in the beginning and 59.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.76 ms. Allocated memory is still 96.5 MB. Free memory was 59.1 MB in the beginning and 56.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1284.20 ms. Allocated memory is still 96.5 MB. Free memory was 56.1 MB in the beginning and 68.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13957.16 ms. Allocated memory was 96.5 MB in the beginning and 270.5 MB in the end (delta: 174.1 MB). Free memory was 68.1 MB in the beginning and 149.1 MB in the end (delta: -81.0 MB). Peak memory consumption was 158.5 MB. Max. memory is 16.1 GB. * Witness Printer took 211.90 ms. Allocated memory is still 270.5 MB. Free memory was 148.0 MB in the beginning and 136.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: (((((((((((tmp___0 == 0 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == 1 && !(tmp___0 == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((((!(tmp___0 == 0) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || (((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 142 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1686 SDtfs, 2461 SDslu, 2572 SDs, 0 SdLazy, 362 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred 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, 1587 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 174 NumberOfFragments, 1028 HoareAnnotationTreeSize, 55 FomulaSimplifications, 3678299 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 55 FomulaSimplificationsInter, 952125 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 738 NumberOfCodeBlocks, 738 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 76731 SizeOfPredicates, 1 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 211/237 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...