./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.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_68d34e99-4713-42a0-855c-6e45fe88c770/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_68d34e99-4713-42a0-855c-6e45fe88c770/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_68d34e99-4713-42a0-855c-6e45fe88c770/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_68d34e99-4713-42a0-855c-6e45fe88c770/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_68d34e99-4713-42a0-855c-6e45fe88c770/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_68d34e99-4713-42a0-855c-6e45fe88c770/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 118c87a61fbb1df2cb9a671e761c9c9d71205fb6 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:03:56,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:03:56,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:03:56,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:03:56,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:03:56,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:03:56,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:03:56,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:03:56,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:03:56,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:03:56,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:03:56,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:03:56,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:03:56,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:03:56,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:03:56,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:03:56,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:03:56,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:03:56,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:03:56,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:03:56,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:03:56,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:03:56,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:03:56,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:03:56,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:03:56,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:03:56,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:03:56,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:03:56,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:03:56,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:03:56,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:03:56,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:03:56,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:03:56,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:03:56,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:03:56,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:03:56,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:03:56,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:03:56,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:03:56,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:03:56,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:03:56,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_68d34e99-4713-42a0-855c-6e45fe88c770/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:03:56,319 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:03:56,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:03:56,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:03:56,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:03:56,322 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:03:56,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:03:56,322 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:03:56,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:03:56,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:03:56,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:03:56,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:03:56,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:03:56,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:03:56,324 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:03:56,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:03:56,325 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:03:56,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:03:56,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:03:56,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:03:56,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:03:56,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:03:56,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:03:56,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:03:56,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:03:56,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:03:56,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:03:56,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:03:56,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:03:56,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:03:56,329 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_68d34e99-4713-42a0-855c-6e45fe88c770/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_68d34e99-4713-42a0-855c-6e45fe88c770/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 118c87a61fbb1df2cb9a671e761c9c9d71205fb6 [2020-11-30 01:03:56,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:03:56,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:03:56,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:03:56,660 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:03:56,661 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:03:56,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_68d34e99-4713-42a0-855c-6e45fe88c770/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2020-11-30 01:03:56,773 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_68d34e99-4713-42a0-855c-6e45fe88c770/bin/uautomizer/data/4b3f95cce/a8f101aaf7fd4e39ae162cf9bd0ee376/FLAG2ca56e23a [2020-11-30 01:03:57,446 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:03:57,447 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_68d34e99-4713-42a0-855c-6e45fe88c770/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2020-11-30 01:03:57,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_68d34e99-4713-42a0-855c-6e45fe88c770/bin/uautomizer/data/4b3f95cce/a8f101aaf7fd4e39ae162cf9bd0ee376/FLAG2ca56e23a [2020-11-30 01:03:57,678 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_68d34e99-4713-42a0-855c-6e45fe88c770/bin/uautomizer/data/4b3f95cce/a8f101aaf7fd4e39ae162cf9bd0ee376 [2020-11-30 01:03:57,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:03:57,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:03:57,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:03:57,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:03:57,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:03:57,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:03:57" (1/1) ... [2020-11-30 01:03:57,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2db3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:57, skipping insertion in model container [2020-11-30 01:03:57,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:03:57" (1/1) ... [2020-11-30 01:03:57,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:03:57,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:03:58,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:03:58,191 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:03:58,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:03:58,413 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:03:58,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:58 WrapperNode [2020-11-30 01:03:58,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:03:58,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:03:58,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:03:58,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:03:58,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:58" (1/1) ... [2020-11-30 01:03:58,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:58" (1/1) ... [2020-11-30 01:03:58,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:03:58,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:03:58,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:03:58,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:03:58,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:58" (1/1) ... [2020-11-30 01:03:58,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:58" (1/1) ... [2020-11-30 01:03:58,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:58" (1/1) ... [2020-11-30 01:03:58,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:58" (1/1) ... [2020-11-30 01:03:58,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:58" (1/1) ... [2020-11-30 01:03:58,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:58" (1/1) ... [2020-11-30 01:03:58,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:58" (1/1) ... [2020-11-30 01:03:58,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:03:58,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:03:58,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:03:58,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:03:58,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_68d34e99-4713-42a0-855c-6e45fe88c770/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 01:03:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:03:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:03:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:03:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:04:00,143 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:04:00,144 INFO L298 CfgBuilder]: Removed 202 assume(true) statements. [2020-11-30 01:04:00,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:04:00 BoogieIcfgContainer [2020-11-30 01:04:00,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:04:00,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:04:00,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:04:00,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:04:00,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:03:57" (1/3) ... [2020-11-30 01:04:00,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7db688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:04:00, skipping insertion in model container [2020-11-30 01:04:00,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:58" (2/3) ... [2020-11-30 01:04:00,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7db688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:04:00, skipping insertion in model container [2020-11-30 01:04:00,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:04:00" (3/3) ... [2020-11-30 01:04:00,166 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2020-11-30 01:04:00,181 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:04:00,187 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 01:04:00,202 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 01:04:00,238 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:04:00,239 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:04:00,239 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:04:00,239 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:04:00,239 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:04:00,239 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:04:00,239 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:04:00,240 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:04:00,259 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2020-11-30 01:04:00,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:04:00,267 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:00,268 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:04:00,269 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:04:00,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:00,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1591441701, now seen corresponding path program 1 times [2020-11-30 01:04:00,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:00,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521091366] [2020-11-30 01:04:00,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:00,585 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 01:04:00,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521091366] [2020-11-30 01:04:00,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:00,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:04:00,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743548582] [2020-11-30 01:04:00,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:04:00,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:00,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:04:00,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:04:00,621 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2020-11-30 01:04:00,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:00,698 INFO L93 Difference]: Finished difference Result 271 states and 404 transitions. [2020-11-30 01:04:00,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:04:00,699 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-30 01:04:00,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:00,722 INFO L225 Difference]: With dead ends: 271 [2020-11-30 01:04:00,723 INFO L226 Difference]: Without dead ends: 133 [2020-11-30 01:04:00,742 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 01:04:00,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-11-30 01:04:00,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-11-30 01:04:00,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-11-30 01:04:00,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2020-11-30 01:04:00,842 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2020-11-30 01:04:00,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:00,843 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2020-11-30 01:04:00,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:04:00,844 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-11-30 01:04:00,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:04:00,846 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:00,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:04:00,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:04:00,848 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:04:00,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:00,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1656768698, now seen corresponding path program 1 times [2020-11-30 01:04:00,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:00,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988358477] [2020-11-30 01:04:00,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:01,049 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 01:04:01,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988358477] [2020-11-30 01:04:01,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:01,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:04:01,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406503558] [2020-11-30 01:04:01,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:01,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:01,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:01,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:01,053 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2020-11-30 01:04:01,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:01,074 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-11-30 01:04:01,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:01,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-30 01:04:01,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:01,083 INFO L225 Difference]: With dead ends: 133 [2020-11-30 01:04:01,084 INFO L226 Difference]: Without dead ends: 55 [2020-11-30 01:04:01,087 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 01:04:01,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-30 01:04:01,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-30 01:04:01,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-30 01:04:01,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-11-30 01:04:01,102 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2020-11-30 01:04:01,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:01,102 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-11-30 01:04:01,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:01,103 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-11-30 01:04:01,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:04:01,106 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:01,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:04:01,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:04:01,107 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:04:01,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:01,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2020-11-30 01:04:01,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:01,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640522613] [2020-11-30 01:04:01,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:01,386 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 01:04:01,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640522613] [2020-11-30 01:04:01,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:01,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:04:01,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171751816] [2020-11-30 01:04:01,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:04:01,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:01,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:04:01,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:04:01,389 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2020-11-30 01:04:01,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:01,694 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2020-11-30 01:04:01,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:04:01,695 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-11-30 01:04:01,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:01,697 INFO L225 Difference]: With dead ends: 176 [2020-11-30 01:04:01,697 INFO L226 Difference]: Without dead ends: 127 [2020-11-30 01:04:01,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:04:01,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-11-30 01:04:01,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2020-11-30 01:04:01,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-11-30 01:04:01,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2020-11-30 01:04:01,708 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2020-11-30 01:04:01,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:01,709 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2020-11-30 01:04:01,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:04:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2020-11-30 01:04:01,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:04:01,710 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:01,710 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 01:04:01,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:04:01,715 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:04:01,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:01,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2020-11-30 01:04:01,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:01,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142467008] [2020-11-30 01:04:01,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:01,811 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 01:04:01,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142467008] [2020-11-30 01:04:01,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:01,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:04:01,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338098113] [2020-11-30 01:04:01,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:01,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:01,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:01,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:01,814 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2020-11-30 01:04:01,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:01,893 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2020-11-30 01:04:01,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:01,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-30 01:04:01,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:01,895 INFO L225 Difference]: With dead ends: 163 [2020-11-30 01:04:01,895 INFO L226 Difference]: Without dead ends: 95 [2020-11-30 01:04:01,896 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 01:04:01,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-11-30 01:04:01,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2020-11-30 01:04:01,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-11-30 01:04:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2020-11-30 01:04:01,906 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2020-11-30 01:04:01,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:01,907 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2020-11-30 01:04:01,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:01,908 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2020-11-30 01:04:01,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:04:01,910 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:01,910 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:04:01,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:04:01,911 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:04:01,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:01,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2020-11-30 01:04:01,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:01,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212368641] [2020-11-30 01:04:01,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:02,020 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 01:04:02,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212368641] [2020-11-30 01:04:02,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:02,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:04:02,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690138367] [2020-11-30 01:04:02,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:04:02,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:02,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:04:02,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:04:02,023 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 5 states. [2020-11-30 01:04:02,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:02,258 INFO L93 Difference]: Finished difference Result 477 states and 692 transitions. [2020-11-30 01:04:02,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 01:04:02,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-30 01:04:02,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:02,262 INFO L225 Difference]: With dead ends: 477 [2020-11-30 01:04:02,262 INFO L226 Difference]: Without dead ends: 390 [2020-11-30 01:04:02,263 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 01:04:02,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2020-11-30 01:04:02,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 172. [2020-11-30 01:04:02,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-11-30 01:04:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 242 transitions. [2020-11-30 01:04:02,305 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 242 transitions. Word has length 25 [2020-11-30 01:04:02,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:02,306 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 242 transitions. [2020-11-30 01:04:02,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:04:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 242 transitions. [2020-11-30 01:04:02,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:04:02,313 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:02,313 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 01:04:02,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:04:02,313 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:04:02,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:02,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1188091424, now seen corresponding path program 1 times [2020-11-30 01:04:02,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:02,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853865016] [2020-11-30 01:04:02,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:02,461 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 01:04:02,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853865016] [2020-11-30 01:04:02,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:02,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:04:02,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833996380] [2020-11-30 01:04:02,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:04:02,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:02,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:04:02,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:04:02,464 INFO L87 Difference]: Start difference. First operand 172 states and 242 transitions. Second operand 5 states. [2020-11-30 01:04:02,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:02,699 INFO L93 Difference]: Finished difference Result 490 states and 693 transitions. [2020-11-30 01:04:02,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 01:04:02,700 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-30 01:04:02,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:02,704 INFO L225 Difference]: With dead ends: 490 [2020-11-30 01:04:02,704 INFO L226 Difference]: Without dead ends: 488 [2020-11-30 01:04:02,705 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 01:04:02,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-11-30 01:04:02,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 172. [2020-11-30 01:04:02,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-11-30 01:04:02,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 240 transitions. [2020-11-30 01:04:02,746 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 240 transitions. Word has length 26 [2020-11-30 01:04:02,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:02,752 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 240 transitions. [2020-11-30 01:04:02,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:04:02,752 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 240 transitions. [2020-11-30 01:04:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 01:04:02,758 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:02,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:04:02,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:04:02,759 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:04:02,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:02,760 INFO L82 PathProgramCache]: Analyzing trace with hash 770731220, now seen corresponding path program 1 times [2020-11-30 01:04:02,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:02,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928423009] [2020-11-30 01:04:02,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:02,876 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 01:04:02,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928423009] [2020-11-30 01:04:02,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:02,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:04:02,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620671152] [2020-11-30 01:04:02,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:04:02,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:02,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:04:02,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:04:02,878 INFO L87 Difference]: Start difference. First operand 172 states and 240 transitions. Second operand 5 states. [2020-11-30 01:04:02,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:02,989 INFO L93 Difference]: Finished difference Result 500 states and 692 transitions. [2020-11-30 01:04:02,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:04:02,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-30 01:04:02,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:02,993 INFO L225 Difference]: With dead ends: 500 [2020-11-30 01:04:02,993 INFO L226 Difference]: Without dead ends: 334 [2020-11-30 01:04:02,994 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 01:04:02,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-11-30 01:04:03,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 184. [2020-11-30 01:04:03,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-11-30 01:04:03,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 252 transitions. [2020-11-30 01:04:03,019 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 252 transitions. Word has length 34 [2020-11-30 01:04:03,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:03,020 INFO L481 AbstractCegarLoop]: Abstraction has 184 states and 252 transitions. [2020-11-30 01:04:03,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:04:03,020 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 252 transitions. [2020-11-30 01:04:03,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 01:04:03,021 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:03,021 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:04:03,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:04:03,022 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:04:03,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:03,022 INFO L82 PathProgramCache]: Analyzing trace with hash 183925206, now seen corresponding path program 1 times [2020-11-30 01:04:03,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:03,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234438381] [2020-11-30 01:04:03,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:03,133 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 01:04:03,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234438381] [2020-11-30 01:04:03,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:03,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:04:03,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533285436] [2020-11-30 01:04:03,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:04:03,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:03,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:04:03,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:04:03,136 INFO L87 Difference]: Start difference. First operand 184 states and 252 transitions. Second operand 6 states. [2020-11-30 01:04:03,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:03,308 INFO L93 Difference]: Finished difference Result 534 states and 726 transitions. [2020-11-30 01:04:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:04:03,309 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-11-30 01:04:03,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:03,314 INFO L225 Difference]: With dead ends: 534 [2020-11-30 01:04:03,314 INFO L226 Difference]: Without dead ends: 356 [2020-11-30 01:04:03,315 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 01:04:03,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-11-30 01:04:03,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 192. [2020-11-30 01:04:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-11-30 01:04:03,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 260 transitions. [2020-11-30 01:04:03,357 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 260 transitions. Word has length 34 [2020-11-30 01:04:03,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:03,359 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 260 transitions. [2020-11-30 01:04:03,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:04:03,359 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 260 transitions. [2020-11-30 01:04:03,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 01:04:03,360 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:03,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:04:03,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:04:03,361 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:04:03,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:03,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1095938472, now seen corresponding path program 1 times [2020-11-30 01:04:03,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:03,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047442685] [2020-11-30 01:04:03,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:03,432 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 01:04:03,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047442685] [2020-11-30 01:04:03,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:03,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:04:03,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351893337] [2020-11-30 01:04:03,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:04:03,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:03,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:04:03,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:04:03,434 INFO L87 Difference]: Start difference. First operand 192 states and 260 transitions. Second operand 3 states. [2020-11-30 01:04:03,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:03,496 INFO L93 Difference]: Finished difference Result 466 states and 630 transitions. [2020-11-30 01:04:03,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:04:03,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-30 01:04:03,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:03,498 INFO L225 Difference]: With dead ends: 466 [2020-11-30 01:04:03,499 INFO L226 Difference]: Without dead ends: 280 [2020-11-30 01:04:03,500 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 01:04:03,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-11-30 01:04:03,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2020-11-30 01:04:03,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-11-30 01:04:03,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 370 transitions. [2020-11-30 01:04:03,538 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 370 transitions. Word has length 34 [2020-11-30 01:04:03,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:03,538 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 370 transitions. [2020-11-30 01:04:03,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:04:03,539 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 370 transitions. [2020-11-30 01:04:03,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 01:04:03,541 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:03,541 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:04:03,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 01:04:03,542 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:04:03,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:03,542 INFO L82 PathProgramCache]: Analyzing trace with hash 420497238, now seen corresponding path program 1 times [2020-11-30 01:04:03,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:03,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462010429] [2020-11-30 01:04:03,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:03,654 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 01:04:03,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462010429] [2020-11-30 01:04:03,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:03,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:04:03,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088242388] [2020-11-30 01:04:03,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:04:03,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:03,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:04:03,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:04:03,656 INFO L87 Difference]: Start difference. First operand 280 states and 370 transitions. Second operand 6 states. [2020-11-30 01:04:04,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:04,021 INFO L93 Difference]: Finished difference Result 856 states and 1134 transitions. [2020-11-30 01:04:04,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 01:04:04,022 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-11-30 01:04:04,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:04,026 INFO L225 Difference]: With dead ends: 856 [2020-11-30 01:04:04,026 INFO L226 Difference]: Without dead ends: 582 [2020-11-30 01:04:04,027 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 01:04:04,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-11-30 01:04:04,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 280. [2020-11-30 01:04:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-11-30 01:04:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 363 transitions. [2020-11-30 01:04:04,072 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 363 transitions. Word has length 35 [2020-11-30 01:04:04,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:04,074 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 363 transitions. [2020-11-30 01:04:04,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:04:04,075 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 363 transitions. [2020-11-30 01:04:04,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-30 01:04:04,076 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:04,076 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:04:04,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 01:04:04,077 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:04:04,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:04,077 INFO L82 PathProgramCache]: Analyzing trace with hash 569511075, now seen corresponding path program 1 times [2020-11-30 01:04:04,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:04,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931315734] [2020-11-30 01:04:04,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:04,231 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 01:04:04,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931315734] [2020-11-30 01:04:04,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:04,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:04:04,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802225498] [2020-11-30 01:04:04,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:04:04,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:04,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:04:04,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:04:04,234 INFO L87 Difference]: Start difference. First operand 280 states and 363 transitions. Second operand 6 states. [2020-11-30 01:04:04,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:04,737 INFO L93 Difference]: Finished difference Result 1458 states and 1932 transitions. [2020-11-30 01:04:04,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 01:04:04,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-11-30 01:04:04,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:04,746 INFO L225 Difference]: With dead ends: 1458 [2020-11-30 01:04:04,747 INFO L226 Difference]: Without dead ends: 1272 [2020-11-30 01:04:04,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-11-30 01:04:04,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2020-11-30 01:04:04,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 548. [2020-11-30 01:04:04,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-11-30 01:04:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 712 transitions. [2020-11-30 01:04:04,837 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 712 transitions. Word has length 56 [2020-11-30 01:04:04,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:04,838 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 712 transitions. [2020-11-30 01:04:04,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:04:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 712 transitions. [2020-11-30 01:04:04,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-30 01:04:04,841 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:04:04,841 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:04:04,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:04:04,841 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:04:04,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:04:04,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1270575653, now seen corresponding path program 1 times [2020-11-30 01:04:04,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:04:04,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952934347] [2020-11-30 01:04:04,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:04:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:04:04,944 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 01:04:04,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952934347] [2020-11-30 01:04:04,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:04:04,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:04:04,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999229144] [2020-11-30 01:04:04,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:04:04,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:04:04,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:04:04,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:04:04,947 INFO L87 Difference]: Start difference. First operand 548 states and 712 transitions. Second operand 5 states. [2020-11-30 01:04:05,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:04:05,124 INFO L93 Difference]: Finished difference Result 1114 states and 1447 transitions. [2020-11-30 01:04:05,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:04:05,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-11-30 01:04:05,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:04:05,126 INFO L225 Difference]: With dead ends: 1114 [2020-11-30 01:04:05,126 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:04:05,128 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 01:04:05,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:04:05,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:04:05,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:04:05,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:04:05,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-11-30 01:04:05,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:04:05,130 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:04:05,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:04:05,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:04:05,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:04:05,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 01:04:05,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:04:05,959 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 209 [2020-11-30 01:04:06,577 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 200 [2020-11-30 01:04:07,113 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 211 [2020-11-30 01:04:07,475 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 171 [2020-11-30 01:04:07,637 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 135 [2020-11-30 01:04:07,989 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 157 [2020-11-30 01:04:08,563 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 210 [2020-11-30 01:04:08,705 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 88 [2020-11-30 01:04:08,843 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 113 [2020-11-30 01:04:09,183 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 169 [2020-11-30 01:04:11,025 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 205 DAG size of output: 32 [2020-11-30 01:04:12,325 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 196 DAG size of output: 30 [2020-11-30 01:04:13,569 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 207 DAG size of output: 30 [2020-11-30 01:04:14,698 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 169 DAG size of output: 39 [2020-11-30 01:04:15,303 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 40 [2020-11-30 01:04:15,584 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 21 [2020-11-30 01:04:15,749 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 31 [2020-11-30 01:04:16,452 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 32 [2020-11-30 01:04:16,584 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2020-11-30 01:04:16,768 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 25 [2020-11-30 01:04:17,993 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 206 DAG size of output: 32 [2020-11-30 01:04:18,355 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 24 [2020-11-30 01:04:18,800 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 35 [2020-11-30 01:04:19,867 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 167 DAG size of output: 39 [2020-11-30 01:04:20,007 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2020-11-30 01:04:20,011 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:04:20,011 INFO L270 CegarLoopResult]: At program point L399(lines 394 402) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 01:04:20,011 INFO L270 CegarLoopResult]: At program point L399-1(lines 394 402) the Hoare annotation is: false [2020-11-30 01:04:20,011 INFO L270 CegarLoopResult]: At program point L399-2(lines 394 402) the Hoare annotation is: false [2020-11-30 01:04:20,011 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 01:04:20,012 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 01:04:20,012 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 01:04:20,012 INFO L274 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-11-30 01:04:20,012 INFO L274 CegarLoopResult]: For program point L467-2(lines 467 471) no Hoare annotation was computed. [2020-11-30 01:04:20,012 INFO L274 CegarLoopResult]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2020-11-30 01:04:20,012 INFO L274 CegarLoopResult]: For program point L302(lines 302 319) no Hoare annotation was computed. [2020-11-30 01:04:20,012 INFO L274 CegarLoopResult]: For program point L467-5(lines 467 471) no Hoare annotation was computed. [2020-11-30 01:04:20,012 INFO L274 CegarLoopResult]: For program point L302-1(lines 302 319) no Hoare annotation was computed. [2020-11-30 01:04:20,013 INFO L274 CegarLoopResult]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2020-11-30 01:04:20,013 INFO L274 CegarLoopResult]: For program point L302-2(lines 302 319) no Hoare annotation was computed. [2020-11-30 01:04:20,013 INFO L274 CegarLoopResult]: For program point L302-3(lines 302 319) no Hoare annotation was computed. [2020-11-30 01:04:20,013 INFO L274 CegarLoopResult]: For program point L467-8(lines 467 471) no Hoare annotation was computed. [2020-11-30 01:04:20,013 INFO L274 CegarLoopResult]: For program point L302-4(lines 302 319) no Hoare annotation was computed. [2020-11-30 01:04:20,013 INFO L274 CegarLoopResult]: For program point L302-5(lines 302 319) no Hoare annotation was computed. [2020-11-30 01:04:20,013 INFO L270 CegarLoopResult]: At program point L270(lines 269 288) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:04:20,013 INFO L274 CegarLoopResult]: For program point L270-1(lines 270 276) no Hoare annotation was computed. [2020-11-30 01:04:20,014 INFO L274 CegarLoopResult]: For program point L204(lines 203 250) no Hoare annotation was computed. [2020-11-30 01:04:20,014 INFO L270 CegarLoopResult]: At program point L270-2(lines 269 288) the Hoare annotation is: false [2020-11-30 01:04:20,014 INFO L270 CegarLoopResult]: At program point L270-3(lines 269 288) the Hoare annotation is: false [2020-11-30 01:04:20,014 INFO L270 CegarLoopResult]: At program point L138(lines 129 142) the Hoare annotation is: false [2020-11-30 01:04:20,014 INFO L270 CegarLoopResult]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse7 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse2 .cse4 .cse5 .cse8 .cse6) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse9 .cse2 .cse4 .cse5 .cse8 .cse6))) [2020-11-30 01:04:20,014 INFO L270 CegarLoopResult]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2020-11-30 01:04:20,015 INFO L270 CegarLoopResult]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2020-11-30 01:04:20,015 INFO L270 CegarLoopResult]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2020-11-30 01:04:20,015 INFO L270 CegarLoopResult]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2020-11-30 01:04:20,015 INFO L274 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2020-11-30 01:04:20,015 INFO L274 CegarLoopResult]: For program point L239(lines 239 245) no Hoare annotation was computed. [2020-11-30 01:04:20,015 INFO L270 CegarLoopResult]: At program point L239-1(lines 270 276) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4 .cse7 .cse5) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse6 .cse4 .cse7 .cse5))) [2020-11-30 01:04:20,015 INFO L274 CegarLoopResult]: For program point L306(lines 306 314) no Hoare annotation was computed. [2020-11-30 01:04:20,016 INFO L274 CegarLoopResult]: For program point L306-1(lines 306 314) no Hoare annotation was computed. [2020-11-30 01:04:20,016 INFO L274 CegarLoopResult]: For program point L306-2(lines 306 314) no Hoare annotation was computed. [2020-11-30 01:04:20,016 INFO L274 CegarLoopResult]: For program point L306-3(lines 306 314) no Hoare annotation was computed. [2020-11-30 01:04:20,016 INFO L274 CegarLoopResult]: For program point L306-4(lines 306 314) no Hoare annotation was computed. [2020-11-30 01:04:20,016 INFO L274 CegarLoopResult]: For program point L306-5(lines 306 314) no Hoare annotation was computed. [2020-11-30 01:04:20,016 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:04:20,016 INFO L270 CegarLoopResult]: At program point L473(lines 458 476) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 1)) (.cse2 (= |ULTIMATE.start_isLowWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse3 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse2 .cse1 (= ~methaneLevelCritical~0 1) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-11-30 01:04:20,017 INFO L270 CegarLoopResult]: At program point L473-1(lines 458 476) the Hoare annotation is: false [2020-11-30 01:04:20,017 INFO L270 CegarLoopResult]: At program point L473-2(lines 458 476) the Hoare annotation is: false [2020-11-30 01:04:20,017 INFO L270 CegarLoopResult]: At program point L277(lines 277 283) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse2 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-11-30 01:04:20,017 INFO L270 CegarLoopResult]: At program point L277-1(lines 277 283) the Hoare annotation is: false [2020-11-30 01:04:20,017 INFO L270 CegarLoopResult]: At program point L277-2(lines 277 283) the Hoare annotation is: false [2020-11-30 01:04:20,017 INFO L274 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-11-30 01:04:20,017 INFO L274 CegarLoopResult]: For program point L213(lines 213 219) no Hoare annotation was computed. [2020-11-30 01:04:20,017 INFO L270 CegarLoopResult]: At program point L213-1(lines 213 219) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse8 .cse6) (and .cse0 .cse1 .cse3 .cse7 .cse4 .cse8 .cse5 .cse6) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse7 .cse4 .cse8 .cse6))) [2020-11-30 01:04:20,017 INFO L270 CegarLoopResult]: At program point L148(lines 143 151) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:04:20,017 INFO L270 CegarLoopResult]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2020-11-30 01:04:20,018 INFO L270 CegarLoopResult]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2020-11-30 01:04:20,018 INFO L270 CegarLoopResult]: At program point L908-2(lines 908 922) the Hoare annotation is: false [2020-11-30 01:04:20,018 INFO L274 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-11-30 01:04:20,018 INFO L274 CegarLoopResult]: For program point L481(lines 481 487) no Hoare annotation was computed. [2020-11-30 01:04:20,018 INFO L270 CegarLoopResult]: At program point L481-1(lines 481 487) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse4 .cse1 .cse2 .cse3))) [2020-11-30 01:04:20,018 INFO L274 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2020-11-30 01:04:20,018 INFO L274 CegarLoopResult]: For program point L448-2(lines 448 452) no Hoare annotation was computed. [2020-11-30 01:04:20,018 INFO L274 CegarLoopResult]: For program point L448-3(lines 448 452) no Hoare annotation was computed. [2020-11-30 01:04:20,018 INFO L274 CegarLoopResult]: For program point L448-5(lines 448 452) no Hoare annotation was computed. [2020-11-30 01:04:20,018 INFO L274 CegarLoopResult]: For program point L448-6(lines 448 452) no Hoare annotation was computed. [2020-11-30 01:04:20,018 INFO L274 CegarLoopResult]: For program point L448-8(lines 448 452) no Hoare annotation was computed. [2020-11-30 01:04:20,019 INFO L274 CegarLoopResult]: For program point L448-9(lines 448 452) no Hoare annotation was computed. [2020-11-30 01:04:20,019 INFO L274 CegarLoopResult]: For program point L448-11(lines 448 452) no Hoare annotation was computed. [2020-11-30 01:04:20,019 INFO L274 CegarLoopResult]: For program point L448-12(lines 448 452) no Hoare annotation was computed. [2020-11-30 01:04:20,019 INFO L274 CegarLoopResult]: For program point L448-14(lines 448 452) no Hoare annotation was computed. [2020-11-30 01:04:20,019 INFO L274 CegarLoopResult]: For program point L448-15(lines 448 452) no Hoare annotation was computed. [2020-11-30 01:04:20,019 INFO L274 CegarLoopResult]: For program point L448-17(lines 448 452) no Hoare annotation was computed. [2020-11-30 01:04:20,019 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:04:20,019 INFO L270 CegarLoopResult]: At program point L251(lines 202 252) the Hoare annotation is: false [2020-11-30 01:04:20,019 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-30 01:04:20,020 INFO L274 CegarLoopResult]: For program point L185-1(line 185) no Hoare annotation was computed. [2020-11-30 01:04:20,020 INFO L274 CegarLoopResult]: For program point L185-2(line 185) no Hoare annotation was computed. [2020-11-30 01:04:20,020 INFO L274 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2020-11-30 01:04:20,020 INFO L274 CegarLoopResult]: For program point L912-1(lines 270 276) no Hoare annotation was computed. [2020-11-30 01:04:20,020 INFO L274 CegarLoopResult]: For program point L979(lines 979 986) no Hoare annotation was computed. [2020-11-30 01:04:20,020 INFO L277 CegarLoopResult]: At program point L979-1(lines 979 986) the Hoare annotation is: true [2020-11-30 01:04:20,020 INFO L274 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-11-30 01:04:20,020 INFO L274 CegarLoopResult]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2020-11-30 01:04:20,020 INFO L274 CegarLoopResult]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2020-11-30 01:04:20,021 INFO L270 CegarLoopResult]: At program point L454(lines 439 457) the Hoare annotation is: false [2020-11-30 01:04:20,021 INFO L270 CegarLoopResult]: At program point L454-1(lines 439 457) the Hoare annotation is: (let ((.cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse11 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse5 .cse11 .cse6 .cse7 .cse9) (and .cse0 .cse2 .cse3 .cse10 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse5 .cse11 .cse6 .cse7 .cse9))) [2020-11-30 01:04:20,021 INFO L270 CegarLoopResult]: At program point L454-2(lines 439 457) the Hoare annotation is: false [2020-11-30 01:04:20,021 INFO L270 CegarLoopResult]: At program point L454-3(lines 439 457) the Hoare annotation is: false [2020-11-30 01:04:20,021 INFO L270 CegarLoopResult]: At program point L454-4(lines 439 457) the Hoare annotation is: false [2020-11-30 01:04:20,021 INFO L270 CegarLoopResult]: At program point L454-5(lines 439 457) the Hoare annotation is: false [2020-11-30 01:04:20,021 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:04:20,021 INFO L274 CegarLoopResult]: For program point L223(lines 223 229) no Hoare annotation was computed. [2020-11-30 01:04:20,022 INFO L270 CegarLoopResult]: At program point L223-1(lines 223 229) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4 .cse7 .cse5) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse6 .cse4 .cse7 .cse5))) [2020-11-30 01:04:20,022 INFO L270 CegarLoopResult]: At program point L884(lines 1 991) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 01:04:20,022 INFO L270 CegarLoopResult]: At program point L390(lines 383 393) the Hoare annotation is: false [2020-11-30 01:04:20,022 INFO L270 CegarLoopResult]: At program point L390-1(lines 383 393) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:04:20,022 INFO L270 CegarLoopResult]: At program point L390-2(lines 383 393) the Hoare annotation is: false [2020-11-30 01:04:20,023 INFO L270 CegarLoopResult]: At program point L390-3(lines 383 393) the Hoare annotation is: false [2020-11-30 01:04:20,023 INFO L270 CegarLoopResult]: At program point L390-4(lines 383 393) the Hoare annotation is: false [2020-11-30 01:04:20,023 INFO L270 CegarLoopResult]: At program point L390-5(lines 383 393) the Hoare annotation is: false [2020-11-30 01:04:20,023 INFO L270 CegarLoopResult]: At program point L93(lines 88 96) the Hoare annotation is: false [2020-11-30 01:04:20,024 INFO L270 CegarLoopResult]: At program point L93-1(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:04:20,024 INFO L270 CegarLoopResult]: At program point L93-2(lines 88 96) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 (<= 2 ~waterLevel~0) .cse4 .cse6) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse3 .cse4 .cse5 .cse6))) [2020-11-30 01:04:20,024 INFO L270 CegarLoopResult]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2020-11-30 01:04:20,024 INFO L270 CegarLoopResult]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2020-11-30 01:04:20,024 INFO L270 CegarLoopResult]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2020-11-30 01:04:20,024 INFO L270 CegarLoopResult]: At program point L93-6(lines 88 96) the Hoare annotation is: false [2020-11-30 01:04:20,024 INFO L270 CegarLoopResult]: At program point L93-7(lines 88 96) the Hoare annotation is: false [2020-11-30 01:04:20,025 INFO L270 CegarLoopResult]: At program point L93-8(lines 88 96) the Hoare annotation is: false [2020-11-30 01:04:20,025 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:04:20,025 INFO L277 CegarLoopResult]: At program point L988(lines 969 991) the Hoare annotation is: true [2020-11-30 01:04:20,025 INFO L274 CegarLoopResult]: For program point L328(lines 328 345) no Hoare annotation was computed. [2020-11-30 01:04:20,025 INFO L274 CegarLoopResult]: For program point L328-1(lines 328 345) no Hoare annotation was computed. [2020-11-30 01:04:20,026 INFO L274 CegarLoopResult]: For program point L328-2(lines 328 345) no Hoare annotation was computed. [2020-11-30 01:04:20,026 INFO L274 CegarLoopResult]: For program point L163(lines 163 176) no Hoare annotation was computed. [2020-11-30 01:04:20,026 INFO L270 CegarLoopResult]: At program point L163-1(lines 1 991) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse8 .cse6) (and .cse0 .cse1 .cse3 .cse7 .cse4 .cse8 .cse5 .cse6) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse7 .cse4 .cse8 .cse6))) [2020-11-30 01:04:20,026 INFO L274 CegarLoopResult]: For program point L163-2(lines 163 176) no Hoare annotation was computed. [2020-11-30 01:04:20,026 INFO L270 CegarLoopResult]: At program point L163-3(lines 1 991) the Hoare annotation is: false [2020-11-30 01:04:20,026 INFO L274 CegarLoopResult]: For program point L163-4(lines 163 176) no Hoare annotation was computed. [2020-11-30 01:04:20,027 INFO L270 CegarLoopResult]: At program point L163-5(lines 1 991) the Hoare annotation is: false [2020-11-30 01:04:20,027 INFO L270 CegarLoopResult]: At program point L956(lines 952 958) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 01:04:20,027 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:04:20,027 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:04:20,027 INFO L270 CegarLoopResult]: At program point L892(lines 887 895) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 01:04:20,027 INFO L274 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2020-11-30 01:04:20,028 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2020-11-30 01:04:20,028 INFO L274 CegarLoopResult]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2020-11-30 01:04:20,028 INFO L274 CegarLoopResult]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2020-11-30 01:04:20,028 INFO L274 CegarLoopResult]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2020-11-30 01:04:20,028 INFO L274 CegarLoopResult]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2020-11-30 01:04:20,028 INFO L274 CegarLoopResult]: For program point L365(lines 365 371) no Hoare annotation was computed. [2020-11-30 01:04:20,029 INFO L274 CegarLoopResult]: For program point L332(lines 332 340) no Hoare annotation was computed. [2020-11-30 01:04:20,029 INFO L274 CegarLoopResult]: For program point L365-2(lines 365 371) no Hoare annotation was computed. [2020-11-30 01:04:20,029 INFO L274 CegarLoopResult]: For program point L332-1(lines 332 340) no Hoare annotation was computed. [2020-11-30 01:04:20,029 INFO L274 CegarLoopResult]: For program point L332-2(lines 332 340) no Hoare annotation was computed. [2020-11-30 01:04:20,029 INFO L274 CegarLoopResult]: For program point L233(lines 233 246) no Hoare annotation was computed. [2020-11-30 01:04:20,029 INFO L274 CegarLoopResult]: For program point L365-4(lines 365 371) no Hoare annotation was computed. [2020-11-30 01:04:20,030 INFO L274 CegarLoopResult]: For program point L167(lines 167 173) no Hoare annotation was computed. [2020-11-30 01:04:20,030 INFO L274 CegarLoopResult]: For program point L365-6(lines 365 371) no Hoare annotation was computed. [2020-11-30 01:04:20,030 INFO L274 CegarLoopResult]: For program point L167-2(lines 167 173) no Hoare annotation was computed. [2020-11-30 01:04:20,030 INFO L274 CegarLoopResult]: For program point L365-8(lines 365 371) no Hoare annotation was computed. [2020-11-30 01:04:20,030 INFO L274 CegarLoopResult]: For program point L68(lines 68 72) no Hoare annotation was computed. [2020-11-30 01:04:20,031 INFO L274 CegarLoopResult]: For program point L365-10(lines 365 371) no Hoare annotation was computed. [2020-11-30 01:04:20,031 INFO L274 CegarLoopResult]: For program point L167-4(lines 167 173) no Hoare annotation was computed. [2020-11-30 01:04:20,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:04:20 BoogieIcfgContainer [2020-11-30 01:04:20,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:04:20,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:04:20,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:04:20,095 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:04:20,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:04:00" (3/4) ... [2020-11-30 01:04:20,100 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:04:20,132 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 01:04:20,133 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 01:04:20,135 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 01:04:20,136 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:04:20,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:04:20,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:04:20,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:04:20,172 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-11-30 01:04:20,173 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-11-30 01:04:20,173 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1)) || ((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 01:04:20,174 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1)) || ((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 01:04:20,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 01:04:20,177 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 01:04:20,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 01:04:20,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 01:04:20,179 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:04:20,181 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 01:04:20,182 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 01:04:20,188 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((!(\result == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((!(\result == 0) && tmp == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 01:04:20,188 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-30 01:04:20,192 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp___0 == 1 && tmp == 1) && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((((((tmp___0 == 1 && \result == 1) && tmp == 1) && methaneLevelCritical == 1) && tmp == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 01:04:20,193 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && tmp___0 == 0) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((tmp == 1 && !(tmp == 0)) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:04:20,197 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:04:20,198 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:04:20,318 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_68d34e99-4713-42a0-855c-6e45fe88c770/bin/uautomizer/witness.graphml [2020-11-30 01:04:20,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:04:20,320 INFO L168 Benchmark]: Toolchain (without parser) took 22636.93 ms. Allocated memory was 115.3 MB in the beginning and 348.1 MB in the end (delta: 232.8 MB). Free memory was 81.0 MB in the beginning and 170.3 MB in the end (delta: -89.4 MB). Peak memory consumption was 144.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:20,321 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 77.6 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:04:20,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.91 ms. Allocated memory is still 115.3 MB. Free memory was 80.7 MB in the beginning and 79.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:20,322 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.84 ms. Allocated memory is still 115.3 MB. Free memory was 79.5 MB in the beginning and 75.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:20,322 INFO L168 Benchmark]: Boogie Preprocessor took 104.06 ms. Allocated memory is still 115.3 MB. Free memory was 75.3 MB in the beginning and 72.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:20,323 INFO L168 Benchmark]: RCFGBuilder took 1495.61 ms. Allocated memory was 115.3 MB in the beginning and 153.1 MB in the end (delta: 37.7 MB). Free memory was 72.4 MB in the beginning and 104.2 MB in the end (delta: -31.8 MB). Peak memory consumption was 48.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:20,323 INFO L168 Benchmark]: TraceAbstraction took 19939.19 ms. Allocated memory was 153.1 MB in the beginning and 348.1 MB in the end (delta: 195.0 MB). Free memory was 104.2 MB in the beginning and 183.0 MB in the end (delta: -78.9 MB). Peak memory consumption was 190.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:20,324 INFO L168 Benchmark]: Witness Printer took 224.08 ms. Allocated memory is still 348.1 MB. Free memory was 183.0 MB in the beginning and 170.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:04:20,328 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 77.6 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 725.91 ms. Allocated memory is still 115.3 MB. Free memory was 80.7 MB in the beginning and 79.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.84 ms. Allocated memory is still 115.3 MB. Free memory was 79.5 MB in the beginning and 75.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.06 ms. Allocated memory is still 115.3 MB. Free memory was 75.3 MB in the beginning and 72.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1495.61 ms. Allocated memory was 115.3 MB in the beginning and 153.1 MB in the end (delta: 37.7 MB). Free memory was 72.4 MB in the beginning and 104.2 MB in the end (delta: -31.8 MB). Peak memory consumption was 48.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19939.19 ms. Allocated memory was 153.1 MB in the beginning and 348.1 MB in the end (delta: 195.0 MB). Free memory was 104.2 MB in the beginning and 183.0 MB in the end (delta: -78.9 MB). Peak memory consumption was 190.6 MB. Max. memory is 16.1 GB. * Witness Printer took 224.08 ms. Allocated memory is still 348.1 MB. Free memory was 183.0 MB in the beginning and 170.3 MB in the end (delta: 12.7 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: 223]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1)) || ((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: (((((((((((tmp == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && tmp___0 == 0) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((tmp == 1 && !(tmp == 0)) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((((((((tmp___0 == 1 && tmp == 1) && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((((((tmp___0 == 1 && \result == 1) && tmp == 1) && methaneLevelCritical == 1) && tmp == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((!(\result == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((!(\result == 0) && tmp == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1)) || ((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 140 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.8s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1464 SDtfs, 2372 SDslu, 2932 SDs, 0 SdLazy, 341 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=548occurred in iteration=11, 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, 12 MinimizatonAttempts, 1929 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 331 NumberOfFragments, 1162 HoareAnnotationTreeSize, 56 FomulaSimplifications, 2048502 FormulaSimplificationTreeSizeReduction, 4.0s HoareSimplificationTime, 56 FomulaSimplificationsInter, 1906679 FormulaSimplificationTreeSizeReductionInter, 10.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 379 NumberOfCodeBlocks, 379 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 23032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 28/28 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...