./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.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_33eb77fa-8883-4843-adf1-ba714e633aec/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/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 b8451c8f3d8ff26b053ea0918ef208b2c50fd9de ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:46:28,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:46:28,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:46:28,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:46:28,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:46:28,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:46:28,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:46:29,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:46:29,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:46:29,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:46:29,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:46:29,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:46:29,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:46:29,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:46:29,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:46:29,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:46:29,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:46:29,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:46:29,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:46:29,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:46:29,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:46:29,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:46:29,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:46:29,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:46:29,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:46:29,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:46:29,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:46:29,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:46:29,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:46:29,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:46:29,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:46:29,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:46:29,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:46:29,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:46:29,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:46:29,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:46:29,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:46:29,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:46:29,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:46:29,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:46:29,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:46:29,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:46:29,085 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:46:29,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:46:29,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:46:29,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:46:29,087 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:46:29,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:46:29,088 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:46:29,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:46:29,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:46:29,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:46:29,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:46:29,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:46:29,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:46:29,090 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:46:29,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:46:29,090 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:46:29,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:46:29,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:46:29,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:46:29,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:46:29,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:46:29,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:46:29,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:46:29,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:46:29,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:46:29,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:46:29,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:46:29,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:46:29,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:46:29,094 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_33eb77fa-8883-4843-adf1-ba714e633aec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8451c8f3d8ff26b053ea0918ef208b2c50fd9de [2020-11-30 00:46:29,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:46:29,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:46:29,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:46:29,467 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:46:29,469 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:46:29,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2020-11-30 00:46:29,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/bin/uautomizer/data/139f29087/9f1319b771c74a50a069d7fe14a92b6d/FLAG4d89adc15 [2020-11-30 00:46:30,316 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:46:30,321 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2020-11-30 00:46:30,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/bin/uautomizer/data/139f29087/9f1319b771c74a50a069d7fe14a92b6d/FLAG4d89adc15 [2020-11-30 00:46:30,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/bin/uautomizer/data/139f29087/9f1319b771c74a50a069d7fe14a92b6d [2020-11-30 00:46:30,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:46:30,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:46:30,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:46:30,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:46:30,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:46:30,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:46:30" (1/1) ... [2020-11-30 00:46:30,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eec0fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:30, skipping insertion in model container [2020-11-30 00:46:30,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:46:30" (1/1) ... [2020-11-30 00:46:30,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:46:30,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:46:31,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:46:31,157 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:46:31,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:46:31,349 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:46:31,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:31 WrapperNode [2020-11-30 00:46:31,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:46:31,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:46:31,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:46:31,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:46:31,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:31" (1/1) ... [2020-11-30 00:46:31,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:31" (1/1) ... [2020-11-30 00:46:31,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:46:31,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:46:31,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:46:31,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:46:31,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:31" (1/1) ... [2020-11-30 00:46:31,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:31" (1/1) ... [2020-11-30 00:46:31,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:31" (1/1) ... [2020-11-30 00:46:31,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:31" (1/1) ... [2020-11-30 00:46:31,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:31" (1/1) ... [2020-11-30 00:46:31,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:31" (1/1) ... [2020-11-30 00:46:31,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:31" (1/1) ... [2020-11-30 00:46:31,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:46:31,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:46:31,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:46:31,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:46:31,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/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 00:46:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:46:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:46:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:46:31,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:46:33,025 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:46:33,025 INFO L298 CfgBuilder]: Removed 206 assume(true) statements. [2020-11-30 00:46:33,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:46:33 BoogieIcfgContainer [2020-11-30 00:46:33,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:46:33,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:46:33,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:46:33,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:46:33,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:46:30" (1/3) ... [2020-11-30 00:46:33,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5baf91c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:46:33, skipping insertion in model container [2020-11-30 00:46:33,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:31" (2/3) ... [2020-11-30 00:46:33,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5baf91c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:46:33, skipping insertion in model container [2020-11-30 00:46:33,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:46:33" (3/3) ... [2020-11-30 00:46:33,037 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2020-11-30 00:46:33,051 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:46:33,056 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:46:33,071 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:46:33,098 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:46:33,099 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:46:33,099 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:46:33,099 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:46:33,099 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:46:33,100 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:46:33,100 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:46:33,100 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:46:33,124 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-11-30 00:46:33,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:46:33,133 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:33,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:33,134 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:33,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:33,141 INFO L82 PathProgramCache]: Analyzing trace with hash 833083772, now seen corresponding path program 1 times [2020-11-30 00:46:33,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:33,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964637964] [2020-11-30 00:46:33,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:33,556 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 00:46:33,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964637964] [2020-11-30 00:46:33,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:33,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:46:33,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810451955] [2020-11-30 00:46:33,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:46:33,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:33,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:46:33,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:46:33,578 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2020-11-30 00:46:33,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:33,618 INFO L93 Difference]: Finished difference Result 279 states and 416 transitions. [2020-11-30 00:46:33,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:46:33,620 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-30 00:46:33,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:33,652 INFO L225 Difference]: With dead ends: 279 [2020-11-30 00:46:33,653 INFO L226 Difference]: Without dead ends: 137 [2020-11-30 00:46:33,664 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 00:46:33,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-11-30 00:46:33,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-11-30 00:46:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-11-30 00:46:33,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2020-11-30 00:46:33,764 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2020-11-30 00:46:33,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:33,764 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2020-11-30 00:46:33,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:46:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2020-11-30 00:46:33,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:46:33,768 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:33,769 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:33,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:46:33,770 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:33,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:33,772 INFO L82 PathProgramCache]: Analyzing trace with hash -77946981, now seen corresponding path program 1 times [2020-11-30 00:46:33,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:33,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933679364] [2020-11-30 00:46:33,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:33,956 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 00:46:33,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933679364] [2020-11-30 00:46:33,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:33,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:46:33,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321510703] [2020-11-30 00:46:33,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:46:33,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:33,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:46:33,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:46:33,963 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand 3 states. [2020-11-30 00:46:33,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:33,981 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2020-11-30 00:46:33,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:46:33,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 00:46:33,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:33,985 INFO L225 Difference]: With dead ends: 137 [2020-11-30 00:46:33,985 INFO L226 Difference]: Without dead ends: 55 [2020-11-30 00:46:33,987 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 00:46:33,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-30 00:46:33,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-30 00:46:33,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-30 00:46:34,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-11-30 00:46:34,000 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-11-30 00:46:34,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:34,000 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-11-30 00:46:34,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:46:34,001 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-11-30 00:46:34,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:46:34,003 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:34,004 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 00:46:34,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:46:34,004 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:34,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:34,005 INFO L82 PathProgramCache]: Analyzing trace with hash -917137565, now seen corresponding path program 1 times [2020-11-30 00:46:34,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:34,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716530257] [2020-11-30 00:46:34,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:34,144 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 00:46:34,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716530257] [2020-11-30 00:46:34,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:34,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:46:34,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446389276] [2020-11-30 00:46:34,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:46:34,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:34,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:46:34,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:46:34,147 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2020-11-30 00:46:34,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:34,188 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2020-11-30 00:46:34,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:46:34,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-30 00:46:34,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:34,191 INFO L225 Difference]: With dead ends: 104 [2020-11-30 00:46:34,191 INFO L226 Difference]: Without dead ends: 55 [2020-11-30 00:46:34,193 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 00:46:34,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-30 00:46:34,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-30 00:46:34,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-30 00:46:34,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-11-30 00:46:34,207 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-11-30 00:46:34,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:34,208 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-11-30 00:46:34,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:46:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-11-30 00:46:34,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:46:34,210 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:34,210 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 00:46:34,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:46:34,210 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:34,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:34,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1642774406, now seen corresponding path program 1 times [2020-11-30 00:46:34,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:34,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262181149] [2020-11-30 00:46:34,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:34,319 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 00:46:34,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262181149] [2020-11-30 00:46:34,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:34,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:46:34,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354553771] [2020-11-30 00:46:34,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:46:34,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:34,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:46:34,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:46:34,322 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-11-30 00:46:34,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:34,404 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2020-11-30 00:46:34,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:46:34,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-30 00:46:34,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:34,405 INFO L225 Difference]: With dead ends: 127 [2020-11-30 00:46:34,406 INFO L226 Difference]: Without dead ends: 78 [2020-11-30 00:46:34,406 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 00:46:34,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-11-30 00:46:34,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2020-11-30 00:46:34,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-30 00:46:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2020-11-30 00:46:34,418 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2020-11-30 00:46:34,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:34,419 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2020-11-30 00:46:34,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:46:34,420 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2020-11-30 00:46:34,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:46:34,427 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:34,428 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:34,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:46:34,428 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:34,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:34,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1904097010, now seen corresponding path program 1 times [2020-11-30 00:46:34,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:34,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996867507] [2020-11-30 00:46:34,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:34,571 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 00:46:34,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996867507] [2020-11-30 00:46:34,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:34,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:46:34,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697645668] [2020-11-30 00:46:34,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:46:34,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:34,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:46:34,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:46:34,573 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2020-11-30 00:46:34,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:34,765 INFO L93 Difference]: Finished difference Result 381 states and 553 transitions. [2020-11-30 00:46:34,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:46:34,766 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-30 00:46:34,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:34,770 INFO L225 Difference]: With dead ends: 381 [2020-11-30 00:46:34,770 INFO L226 Difference]: Without dead ends: 311 [2020-11-30 00:46:34,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:46:34,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-11-30 00:46:34,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2020-11-30 00:46:34,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-11-30 00:46:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 170 transitions. [2020-11-30 00:46:34,799 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 170 transitions. Word has length 32 [2020-11-30 00:46:34,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:34,800 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 170 transitions. [2020-11-30 00:46:34,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:46:34,800 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2020-11-30 00:46:34,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:46:34,802 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:34,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:34,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:46:34,803 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:34,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:34,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1319823756, now seen corresponding path program 1 times [2020-11-30 00:46:34,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:34,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823498610] [2020-11-30 00:46:34,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:34,890 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 00:46:34,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823498610] [2020-11-30 00:46:34,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:34,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:46:34,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104816035] [2020-11-30 00:46:34,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:46:34,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:34,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:46:34,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:46:34,893 INFO L87 Difference]: Start difference. First operand 123 states and 170 transitions. Second operand 4 states. [2020-11-30 00:46:35,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:35,013 INFO L93 Difference]: Finished difference Result 254 states and 358 transitions. [2020-11-30 00:46:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:46:35,014 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-30 00:46:35,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:35,015 INFO L225 Difference]: With dead ends: 254 [2020-11-30 00:46:35,015 INFO L226 Difference]: Without dead ends: 184 [2020-11-30 00:46:35,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:46:35,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-11-30 00:46:35,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2020-11-30 00:46:35,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-11-30 00:46:35,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 251 transitions. [2020-11-30 00:46:35,052 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 251 transitions. Word has length 33 [2020-11-30 00:46:35,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:35,056 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 251 transitions. [2020-11-30 00:46:35,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:46:35,056 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 251 transitions. [2020-11-30 00:46:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:46:35,061 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:35,061 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:35,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:46:35,061 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:35,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:35,062 INFO L82 PathProgramCache]: Analyzing trace with hash 308706506, now seen corresponding path program 1 times [2020-11-30 00:46:35,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:35,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931734554] [2020-11-30 00:46:35,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:35,128 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 00:46:35,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931734554] [2020-11-30 00:46:35,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:35,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:46:35,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954030460] [2020-11-30 00:46:35,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:46:35,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:35,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:46:35,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:46:35,130 INFO L87 Difference]: Start difference. First operand 181 states and 251 transitions. Second operand 4 states. [2020-11-30 00:46:35,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:35,224 INFO L93 Difference]: Finished difference Result 505 states and 712 transitions. [2020-11-30 00:46:35,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:46:35,225 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-30 00:46:35,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:35,230 INFO L225 Difference]: With dead ends: 505 [2020-11-30 00:46:35,230 INFO L226 Difference]: Without dead ends: 376 [2020-11-30 00:46:35,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:46:35,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-11-30 00:46:35,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 181. [2020-11-30 00:46:35,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-11-30 00:46:35,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 249 transitions. [2020-11-30 00:46:35,263 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 249 transitions. Word has length 33 [2020-11-30 00:46:35,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:35,264 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 249 transitions. [2020-11-30 00:46:35,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:46:35,264 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2020-11-30 00:46:35,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:46:35,265 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:35,265 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:35,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:46:35,266 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:35,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:35,266 INFO L82 PathProgramCache]: Analyzing trace with hash 566871944, now seen corresponding path program 1 times [2020-11-30 00:46:35,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:35,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365966606] [2020-11-30 00:46:35,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:35,348 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 00:46:35,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365966606] [2020-11-30 00:46:35,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:35,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:46:35,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579188094] [2020-11-30 00:46:35,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:46:35,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:35,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:46:35,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:46:35,351 INFO L87 Difference]: Start difference. First operand 181 states and 249 transitions. Second operand 5 states. [2020-11-30 00:46:35,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:35,460 INFO L93 Difference]: Finished difference Result 548 states and 766 transitions. [2020-11-30 00:46:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:46:35,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-30 00:46:35,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:35,465 INFO L225 Difference]: With dead ends: 548 [2020-11-30 00:46:35,465 INFO L226 Difference]: Without dead ends: 373 [2020-11-30 00:46:35,466 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 00:46:35,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-11-30 00:46:35,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 190. [2020-11-30 00:46:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-11-30 00:46:35,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 256 transitions. [2020-11-30 00:46:35,501 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 256 transitions. Word has length 33 [2020-11-30 00:46:35,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:35,503 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 256 transitions. [2020-11-30 00:46:35,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:46:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 256 transitions. [2020-11-30 00:46:35,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:46:35,504 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:35,504 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:35,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:46:35,505 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:35,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:35,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1083058712, now seen corresponding path program 1 times [2020-11-30 00:46:35,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:35,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209947795] [2020-11-30 00:46:35,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:35,613 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 00:46:35,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209947795] [2020-11-30 00:46:35,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:35,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:46:35,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610374837] [2020-11-30 00:46:35,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:46:35,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:35,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:46:35,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:46:35,615 INFO L87 Difference]: Start difference. First operand 190 states and 256 transitions. Second operand 6 states. [2020-11-30 00:46:36,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:36,066 INFO L93 Difference]: Finished difference Result 1391 states and 1856 transitions. [2020-11-30 00:46:36,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-30 00:46:36,067 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-11-30 00:46:36,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:36,075 INFO L225 Difference]: With dead ends: 1391 [2020-11-30 00:46:36,075 INFO L226 Difference]: Without dead ends: 1207 [2020-11-30 00:46:36,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-11-30 00:46:36,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-11-30 00:46:36,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 360. [2020-11-30 00:46:36,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-30 00:46:36,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 478 transitions. [2020-11-30 00:46:36,138 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 478 transitions. Word has length 36 [2020-11-30 00:46:36,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:36,141 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 478 transitions. [2020-11-30 00:46:36,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:46:36,141 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 478 transitions. [2020-11-30 00:46:36,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:46:36,143 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:36,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:36,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:46:36,146 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:36,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:36,147 INFO L82 PathProgramCache]: Analyzing trace with hash -403000342, now seen corresponding path program 1 times [2020-11-30 00:46:36,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:36,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988139780] [2020-11-30 00:46:36,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:36,261 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 00:46:36,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988139780] [2020-11-30 00:46:36,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:36,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:46:36,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946386095] [2020-11-30 00:46:36,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:46:36,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:36,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:46:36,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:46:36,264 INFO L87 Difference]: Start difference. First operand 360 states and 478 transitions. Second operand 6 states. [2020-11-30 00:46:36,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:36,630 INFO L93 Difference]: Finished difference Result 1050 states and 1414 transitions. [2020-11-30 00:46:36,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 00:46:36,631 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-11-30 00:46:36,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:36,636 INFO L225 Difference]: With dead ends: 1050 [2020-11-30 00:46:36,636 INFO L226 Difference]: Without dead ends: 696 [2020-11-30 00:46:36,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-11-30 00:46:36,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-11-30 00:46:36,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 306. [2020-11-30 00:46:36,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-11-30 00:46:36,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 395 transitions. [2020-11-30 00:46:36,695 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 395 transitions. Word has length 36 [2020-11-30 00:46:36,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:36,695 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 395 transitions. [2020-11-30 00:46:36,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:46:36,696 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 395 transitions. [2020-11-30 00:46:36,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 00:46:36,697 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:36,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:36,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:46:36,698 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:36,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:36,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1138138450, now seen corresponding path program 1 times [2020-11-30 00:46:36,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:36,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870819422] [2020-11-30 00:46:36,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:36,796 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 00:46:36,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870819422] [2020-11-30 00:46:36,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:36,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-30 00:46:36,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236284391] [2020-11-30 00:46:36,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:46:36,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:36,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:46:36,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:46:36,798 INFO L87 Difference]: Start difference. First operand 306 states and 395 transitions. Second operand 7 states. [2020-11-30 00:46:37,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:37,438 INFO L93 Difference]: Finished difference Result 1168 states and 1491 transitions. [2020-11-30 00:46:37,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-30 00:46:37,439 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-11-30 00:46:37,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:37,445 INFO L225 Difference]: With dead ends: 1168 [2020-11-30 00:46:37,445 INFO L226 Difference]: Without dead ends: 868 [2020-11-30 00:46:37,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-11-30 00:46:37,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2020-11-30 00:46:37,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 286. [2020-11-30 00:46:37,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-11-30 00:46:37,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 358 transitions. [2020-11-30 00:46:37,494 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 358 transitions. Word has length 37 [2020-11-30 00:46:37,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:37,495 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 358 transitions. [2020-11-30 00:46:37,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:46:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 358 transitions. [2020-11-30 00:46:37,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-30 00:46:37,496 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:37,496 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:37,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:46:37,497 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:37,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:37,498 INFO L82 PathProgramCache]: Analyzing trace with hash 113257525, now seen corresponding path program 1 times [2020-11-30 00:46:37,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:37,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149985897] [2020-11-30 00:46:37,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:37,606 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:46:37,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149985897] [2020-11-30 00:46:37,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:37,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:46:37,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014382254] [2020-11-30 00:46:37,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:46:37,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:37,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:46:37,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:46:37,608 INFO L87 Difference]: Start difference. First operand 286 states and 358 transitions. Second operand 5 states. [2020-11-30 00:46:37,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:37,708 INFO L93 Difference]: Finished difference Result 661 states and 831 transitions. [2020-11-30 00:46:37,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:46:37,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-11-30 00:46:37,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:37,711 INFO L225 Difference]: With dead ends: 661 [2020-11-30 00:46:37,712 INFO L226 Difference]: Without dead ends: 381 [2020-11-30 00:46:37,713 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 00:46:37,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-11-30 00:46:37,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 286. [2020-11-30 00:46:37,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-11-30 00:46:37,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 354 transitions. [2020-11-30 00:46:37,759 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 354 transitions. Word has length 55 [2020-11-30 00:46:37,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:37,761 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 354 transitions. [2020-11-30 00:46:37,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:46:37,761 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 354 transitions. [2020-11-30 00:46:37,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-30 00:46:37,762 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:37,763 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:37,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 00:46:37,763 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:37,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:37,764 INFO L82 PathProgramCache]: Analyzing trace with hash -730747977, now seen corresponding path program 1 times [2020-11-30 00:46:37,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:37,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996248117] [2020-11-30 00:46:37,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:37,849 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:46:37,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996248117] [2020-11-30 00:46:37,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:37,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:46:37,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538773319] [2020-11-30 00:46:37,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:46:37,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:37,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:46:37,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:46:37,851 INFO L87 Difference]: Start difference. First operand 286 states and 354 transitions. Second operand 5 states. [2020-11-30 00:46:37,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:37,992 INFO L93 Difference]: Finished difference Result 608 states and 763 transitions. [2020-11-30 00:46:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:46:37,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-11-30 00:46:37,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:37,995 INFO L225 Difference]: With dead ends: 608 [2020-11-30 00:46:37,995 INFO L226 Difference]: Without dead ends: 328 [2020-11-30 00:46:37,996 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 00:46:37,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-11-30 00:46:38,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 244. [2020-11-30 00:46:38,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-11-30 00:46:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 303 transitions. [2020-11-30 00:46:38,035 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 303 transitions. Word has length 55 [2020-11-30 00:46:38,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:38,036 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 303 transitions. [2020-11-30 00:46:38,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:46:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 303 transitions. [2020-11-30 00:46:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-30 00:46:38,037 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:38,038 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:38,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 00:46:38,038 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:38,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:38,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1478001787, now seen corresponding path program 1 times [2020-11-30 00:46:38,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:38,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986023521] [2020-11-30 00:46:38,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:38,132 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 00:46:38,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986023521] [2020-11-30 00:46:38,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:38,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:46:38,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628487858] [2020-11-30 00:46:38,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:46:38,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:38,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:46:38,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:46:38,137 INFO L87 Difference]: Start difference. First operand 244 states and 303 transitions. Second operand 5 states. [2020-11-30 00:46:38,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:38,337 INFO L93 Difference]: Finished difference Result 622 states and 772 transitions. [2020-11-30 00:46:38,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:46:38,338 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-11-30 00:46:38,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:38,341 INFO L225 Difference]: With dead ends: 622 [2020-11-30 00:46:38,341 INFO L226 Difference]: Without dead ends: 384 [2020-11-30 00:46:38,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:46:38,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-11-30 00:46:38,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 244. [2020-11-30 00:46:38,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-11-30 00:46:38,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 299 transitions. [2020-11-30 00:46:38,383 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 299 transitions. Word has length 56 [2020-11-30 00:46:38,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:38,384 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 299 transitions. [2020-11-30 00:46:38,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:46:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 299 transitions. [2020-11-30 00:46:38,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:46:38,385 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:38,386 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:38,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 00:46:38,386 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:38,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:38,387 INFO L82 PathProgramCache]: Analyzing trace with hash 520111782, now seen corresponding path program 1 times [2020-11-30 00:46:38,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:38,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021438762] [2020-11-30 00:46:38,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:46:38,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021438762] [2020-11-30 00:46:38,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:46:38,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:46:38,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469386451] [2020-11-30 00:46:38,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:46:38,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:38,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:46:38,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:46:38,447 INFO L87 Difference]: Start difference. First operand 244 states and 299 transitions. Second operand 5 states. [2020-11-30 00:46:38,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:38,582 INFO L93 Difference]: Finished difference Result 514 states and 643 transitions. [2020-11-30 00:46:38,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:46:38,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-11-30 00:46:38,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:38,586 INFO L225 Difference]: With dead ends: 514 [2020-11-30 00:46:38,586 INFO L226 Difference]: Without dead ends: 326 [2020-11-30 00:46:38,590 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 00:46:38,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-11-30 00:46:38,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 250. [2020-11-30 00:46:38,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-11-30 00:46:38,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 305 transitions. [2020-11-30 00:46:38,624 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 305 transitions. Word has length 58 [2020-11-30 00:46:38,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:38,625 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 305 transitions. [2020-11-30 00:46:38,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:46:38,625 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 305 transitions. [2020-11-30 00:46:38,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:46:38,626 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:46:38,626 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:46:38,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-30 00:46:38,626 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:46:38,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:46:38,627 INFO L82 PathProgramCache]: Analyzing trace with hash 778277220, now seen corresponding path program 1 times [2020-11-30 00:46:38,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:46:38,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312735078] [2020-11-30 00:46:38,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:46:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 00:46:38,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312735078] [2020-11-30 00:46:38,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452955461] [2020-11-30 00:46:38,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:46:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:46:38,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 00:46:38,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:46:39,089 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 00:46:39,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:46:39,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-11-30 00:46:39,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123891639] [2020-11-30 00:46:39,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:46:39,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:46:39,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:46:39,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:46:39,091 INFO L87 Difference]: Start difference. First operand 250 states and 305 transitions. Second operand 7 states. [2020-11-30 00:46:39,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:46:39,613 INFO L93 Difference]: Finished difference Result 863 states and 1076 transitions. [2020-11-30 00:46:39,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 00:46:39,613 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-11-30 00:46:39,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:46:39,614 INFO L225 Difference]: With dead ends: 863 [2020-11-30 00:46:39,614 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:46:39,615 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-11-30 00:46:39,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:46:39,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:46:39,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:46:39,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:46:39,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-11-30 00:46:39,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:46:39,617 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:46:39,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:46:39,617 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:46:39,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:46:39,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-11-30 00:46:39,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:46:41,433 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 374 DAG size of output: 260 [2020-11-30 00:46:41,755 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 123 [2020-11-30 00:46:41,865 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2020-11-30 00:46:42,809 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 251 [2020-11-30 00:46:43,054 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 143 [2020-11-30 00:46:43,589 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 225 [2020-11-30 00:46:44,434 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 216 [2020-11-30 00:46:44,634 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 141 [2020-11-30 00:46:45,090 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 174 [2020-11-30 00:46:45,277 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 92 [2020-11-30 00:46:48,123 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 246 DAG size of output: 40 [2020-11-30 00:46:48,669 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2020-11-30 00:46:50,750 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 238 DAG size of output: 41 [2020-11-30 00:46:51,622 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 62 [2020-11-30 00:46:51,844 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 43 [2020-11-30 00:46:53,242 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 223 DAG size of output: 65 [2020-11-30 00:46:53,472 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-11-30 00:46:54,954 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 212 DAG size of output: 27 [2020-11-30 00:46:55,101 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2020-11-30 00:46:55,906 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 54 [2020-11-30 00:46:57,081 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 160 DAG size of output: 51 [2020-11-30 00:46:57,396 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2020-11-30 00:46:57,418 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:46:57,418 INFO L270 CegarLoopResult]: At program point L168(lines 1 991) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:46:57,418 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:46:57,419 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:46:57,419 INFO L270 CegarLoopResult]: At program point L961(lines 946 964) the Hoare annotation is: false [2020-11-30 00:46:57,419 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:46:57,419 INFO L270 CegarLoopResult]: At program point L961-1(lines 946 964) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse10 (not .cse2)) (.cse11 (<= ~waterLevel~0 1)) (.cse12 (not .cse3)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse14 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse15 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse12 .cse0 .cse13 .cse4 .cse14 .cse7 .cse8) (and .cse10 .cse11 .cse12 .cse13 .cse4 .cse15 .cse14 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse15 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9)))) [2020-11-30 00:46:57,419 INFO L270 CegarLoopResult]: At program point L961-2(lines 946 964) the Hoare annotation is: false [2020-11-30 00:46:57,419 INFO L270 CegarLoopResult]: At program point L961-3(lines 946 964) the Hoare annotation is: false [2020-11-30 00:46:57,420 INFO L270 CegarLoopResult]: At program point L961-4(lines 946 964) the Hoare annotation is: false [2020-11-30 00:46:57,420 INFO L270 CegarLoopResult]: At program point L961-5(lines 946 964) the Hoare annotation is: false [2020-11-30 00:46:57,420 INFO L274 CegarLoopResult]: For program point L731(lines 731 737) no Hoare annotation was computed. [2020-11-30 00:46:57,420 INFO L270 CegarLoopResult]: At program point L731-1(lines 731 737) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (or (and (= ~waterLevel~0 1) .cse5 .cse7) (and (not .cse8) .cse5 (<= 2 ~waterLevel~0) .cse7))) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse1 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse7 .cse3) (and .cse9 .cse0 .cse8 .cse7 .cse3) (and .cse4 .cse9 .cse5 .cse0 .cse6 .cse7) (and .cse9 .cse0 .cse2 .cse3)))) [2020-11-30 00:46:57,420 INFO L270 CegarLoopResult]: At program point L897(lines 890 900) the Hoare annotation is: false [2020-11-30 00:46:57,421 INFO L270 CegarLoopResult]: At program point L897-1(lines 890 900) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 (= ~methaneLevelCritical~0 0) .cse10) (and (= ~methaneLevelCritical~0 1) .cse0 .cse9 .cse1 .cse2 .cse3 .cse4 (not .cse6) .cse5 .cse7 .cse8 .cse10))) [2020-11-30 00:46:57,421 INFO L270 CegarLoopResult]: At program point L897-2(lines 890 900) the Hoare annotation is: false [2020-11-30 00:46:57,421 INFO L270 CegarLoopResult]: At program point L897-3(lines 890 900) the Hoare annotation is: false [2020-11-30 00:46:57,421 INFO L270 CegarLoopResult]: At program point L897-4(lines 890 900) the Hoare annotation is: false [2020-11-30 00:46:57,421 INFO L270 CegarLoopResult]: At program point L897-5(lines 890 900) the Hoare annotation is: false [2020-11-30 00:46:57,421 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:46:57,422 INFO L274 CegarLoopResult]: For program point L568(lines 568 572) no Hoare annotation was computed. [2020-11-30 00:46:57,422 INFO L274 CegarLoopResult]: For program point L568-3(lines 568 572) no Hoare annotation was computed. [2020-11-30 00:46:57,422 INFO L274 CegarLoopResult]: For program point L568-6(lines 568 572) no Hoare annotation was computed. [2020-11-30 00:46:57,422 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-30 00:46:57,422 INFO L274 CegarLoopResult]: For program point L835(lines 835 852) no Hoare annotation was computed. [2020-11-30 00:46:57,422 INFO L274 CegarLoopResult]: For program point L835-1(lines 835 852) no Hoare annotation was computed. [2020-11-30 00:46:57,422 INFO L274 CegarLoopResult]: For program point L835-2(lines 835 852) no Hoare annotation was computed. [2020-11-30 00:46:57,423 INFO L270 CegarLoopResult]: At program point L637(lines 632 640) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse8 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_processEnvironment_~tmp~7 0) .cse6 .cse7) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0) .cse8 .cse2 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (<= 2 ~waterLevel~0) .cse4 .cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not .cse5) .cse1 (<= ~waterLevel~0 2) .cse7))) [2020-11-30 00:46:57,423 INFO L270 CegarLoopResult]: At program point L637-1(lines 632 640) the Hoare annotation is: false [2020-11-30 00:46:57,423 INFO L270 CegarLoopResult]: At program point L637-2(lines 632 640) the Hoare annotation is: false [2020-11-30 00:46:57,423 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:46:57,423 INFO L270 CegarLoopResult]: At program point L605(lines 600 608) the Hoare annotation is: false [2020-11-30 00:46:57,423 INFO L270 CegarLoopResult]: At program point L605-1(lines 600 608) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not .cse7) .cse6 .cse8 .cse9 .cse10))) [2020-11-30 00:46:57,424 INFO L270 CegarLoopResult]: At program point L605-2(lines 600 608) the Hoare annotation is: (let ((.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse13 (= ~methaneLevelCritical~0 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse4 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (not .cse7)) (.cse12 (<= ~waterLevel~0 2)) (.cse10 (= ~pumpRunning~0 0)) (.cse15 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse16 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 (not .cse10) .cse11 .cse12) (and .cse13 .cse0 .cse9 .cse1 .cse3 .cse2 .cse4 .cse5 .cse14 .cse6 .cse8 .cse12) (and .cse15 .cse13 .cse2 .cse3 .cse14 .cse16 .cse8) (and .cse15 .cse13 .cse3 .cse14 .cse10 .cse8) (and .cse0 .cse13 .cse9 .cse1 .cse3 .cse4 .cse5 .cse14 .cse10 .cse8 .cse12) (and .cse15 .cse11 .cse3 .cse7 .cse10 .cse8) (and .cse15 .cse2 .cse11 .cse3 .cse7 .cse16 .cse8)))) [2020-11-30 00:46:57,424 INFO L270 CegarLoopResult]: At program point L605-3(lines 600 608) the Hoare annotation is: false [2020-11-30 00:46:57,424 INFO L270 CegarLoopResult]: At program point L605-4(lines 600 608) the Hoare annotation is: false [2020-11-30 00:46:57,424 INFO L270 CegarLoopResult]: At program point L605-5(lines 600 608) the Hoare annotation is: false [2020-11-30 00:46:57,424 INFO L270 CegarLoopResult]: At program point L605-6(lines 600 608) the Hoare annotation is: false [2020-11-30 00:46:57,424 INFO L270 CegarLoopResult]: At program point L605-7(lines 600 608) the Hoare annotation is: false [2020-11-30 00:46:57,425 INFO L270 CegarLoopResult]: At program point L605-8(lines 600 608) the Hoare annotation is: false [2020-11-30 00:46:57,425 INFO L270 CegarLoopResult]: At program point L176(lines 171 179) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:46:57,425 INFO L274 CegarLoopResult]: For program point L872(lines 872 878) no Hoare annotation was computed. [2020-11-30 00:46:57,425 INFO L274 CegarLoopResult]: For program point L839(lines 839 847) no Hoare annotation was computed. [2020-11-30 00:46:57,425 INFO L274 CegarLoopResult]: For program point L872-2(lines 872 878) no Hoare annotation was computed. [2020-11-30 00:46:57,425 INFO L274 CegarLoopResult]: For program point L839-1(lines 839 847) no Hoare annotation was computed. [2020-11-30 00:46:57,425 INFO L274 CegarLoopResult]: For program point L839-2(lines 839 847) no Hoare annotation was computed. [2020-11-30 00:46:57,425 INFO L274 CegarLoopResult]: For program point L872-4(lines 872 878) no Hoare annotation was computed. [2020-11-30 00:46:57,425 INFO L274 CegarLoopResult]: For program point L872-6(lines 872 878) no Hoare annotation was computed. [2020-11-30 00:46:57,425 INFO L274 CegarLoopResult]: For program point L872-8(lines 872 878) no Hoare annotation was computed. [2020-11-30 00:46:57,425 INFO L274 CegarLoopResult]: For program point L872-10(lines 872 878) no Hoare annotation was computed. [2020-11-30 00:46:57,426 INFO L270 CegarLoopResult]: At program point L906(lines 901 909) the Hoare annotation is: (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0) (= ULTIMATE.start_activatePump_~tmp~8 0) (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isMethaneAlarm_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 0)) [2020-11-30 00:46:57,426 INFO L270 CegarLoopResult]: At program point L906-1(lines 901 909) the Hoare annotation is: false [2020-11-30 00:46:57,426 INFO L270 CegarLoopResult]: At program point L906-2(lines 901 909) the Hoare annotation is: false [2020-11-30 00:46:57,426 INFO L274 CegarLoopResult]: For program point L741(lines 741 754) no Hoare annotation was computed. [2020-11-30 00:46:57,426 INFO L274 CegarLoopResult]: For program point L675(lines 675 695) no Hoare annotation was computed. [2020-11-30 00:46:57,426 INFO L274 CegarLoopResult]: For program point L675-2(lines 675 695) no Hoare annotation was computed. [2020-11-30 00:46:57,426 INFO L274 CegarLoopResult]: For program point L675-4(lines 675 695) no Hoare annotation was computed. [2020-11-30 00:46:57,427 INFO L274 CegarLoopResult]: For program point L974(lines 974 978) no Hoare annotation was computed. [2020-11-30 00:46:57,427 INFO L274 CegarLoopResult]: For program point L974-2(lines 974 978) no Hoare annotation was computed. [2020-11-30 00:46:57,427 INFO L274 CegarLoopResult]: For program point L974-3(lines 974 978) no Hoare annotation was computed. [2020-11-30 00:46:57,427 INFO L274 CegarLoopResult]: For program point L809(lines 809 826) no Hoare annotation was computed. [2020-11-30 00:46:57,427 INFO L274 CegarLoopResult]: For program point L974-5(lines 974 978) no Hoare annotation was computed. [2020-11-30 00:46:57,427 INFO L274 CegarLoopResult]: For program point L809-1(lines 809 826) no Hoare annotation was computed. [2020-11-30 00:46:57,427 INFO L274 CegarLoopResult]: For program point L974-6(lines 974 978) no Hoare annotation was computed. [2020-11-30 00:46:57,429 INFO L274 CegarLoopResult]: For program point L809-2(lines 809 826) no Hoare annotation was computed. [2020-11-30 00:46:57,429 INFO L274 CegarLoopResult]: For program point L809-3(lines 809 826) no Hoare annotation was computed. [2020-11-30 00:46:57,429 INFO L274 CegarLoopResult]: For program point L974-8(lines 974 978) no Hoare annotation was computed. [2020-11-30 00:46:57,430 INFO L274 CegarLoopResult]: For program point L809-4(lines 809 826) no Hoare annotation was computed. [2020-11-30 00:46:57,430 INFO L274 CegarLoopResult]: For program point L809-5(lines 809 826) no Hoare annotation was computed. [2020-11-30 00:46:57,430 INFO L270 CegarLoopResult]: At program point L777(lines 776 795) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse3 .cse5 .cse6 .cse4 .cse7) (and .cse1 .cse3 .cse6 .cse4 .cse7) (and .cse0 .cse2 .cse3 .cse5 .cse4))) [2020-11-30 00:46:57,430 INFO L274 CegarLoopResult]: For program point L777-1(lines 777 783) no Hoare annotation was computed. [2020-11-30 00:46:57,431 INFO L270 CegarLoopResult]: At program point L777-2(lines 776 795) the Hoare annotation is: false [2020-11-30 00:46:57,431 INFO L270 CegarLoopResult]: At program point L777-3(lines 776 795) the Hoare annotation is: false [2020-11-30 00:46:57,431 INFO L274 CegarLoopResult]: For program point L645(lines 645 651) no Hoare annotation was computed. [2020-11-30 00:46:57,431 INFO L274 CegarLoopResult]: For program point L645-1(lines 645 651) no Hoare annotation was computed. [2020-11-30 00:46:57,431 INFO L274 CegarLoopResult]: For program point L645-2(lines 645 651) no Hoare annotation was computed. [2020-11-30 00:46:57,431 INFO L274 CegarLoopResult]: For program point L645-3(lines 645 651) no Hoare annotation was computed. [2020-11-30 00:46:57,432 INFO L274 CegarLoopResult]: For program point L645-4(lines 645 651) no Hoare annotation was computed. [2020-11-30 00:46:57,432 INFO L274 CegarLoopResult]: For program point L645-5(lines 645 651) no Hoare annotation was computed. [2020-11-30 00:46:57,432 INFO L274 CegarLoopResult]: For program point L712(lines 711 758) no Hoare annotation was computed. [2020-11-30 00:46:57,432 INFO L274 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-11-30 00:46:57,432 INFO L274 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-11-30 00:46:57,432 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:46:57,433 INFO L274 CegarLoopResult]: For program point L813(lines 813 821) no Hoare annotation was computed. [2020-11-30 00:46:57,433 INFO L274 CegarLoopResult]: For program point L813-1(lines 813 821) no Hoare annotation was computed. [2020-11-30 00:46:57,433 INFO L274 CegarLoopResult]: For program point L813-2(lines 813 821) no Hoare annotation was computed. [2020-11-30 00:46:57,433 INFO L274 CegarLoopResult]: For program point L813-3(lines 813 821) no Hoare annotation was computed. [2020-11-30 00:46:57,433 INFO L274 CegarLoopResult]: For program point L681(lines 681 694) no Hoare annotation was computed. [2020-11-30 00:46:57,434 INFO L274 CegarLoopResult]: For program point L813-4(lines 813 821) no Hoare annotation was computed. [2020-11-30 00:46:57,434 INFO L270 CegarLoopResult]: At program point L681-1(lines 1 991) the Hoare annotation is: (let ((.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse13 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 0))) (let ((.cse7 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse10 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse0 (<= ~waterLevel~0 1)) (.cse12 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse8 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse2 (= 1 ~systemActive~0)) (.cse16 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse17 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse18 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (not .cse13)) (.cse19 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (not .cse11)) (.cse20 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse2 .cse9 .cse10 .cse11 .cse12 .cse5 .cse13) (and .cse0 .cse2 .cse9 .cse7 .cse10 .cse11 .cse4 .cse5 .cse13) (and (= ~waterLevel~0 1) .cse9 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse12 .cse6 .cse5) (and .cse14 .cse15 .cse8 .cse2 .cse16 .cse17 .cse18 .cse11 .cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse19 (not .cse4) .cse9 .cse20 .cse13) (and .cse14 .cse1 .cse19 .cse15 .cse2 .cse16 .cse17 .cse3 .cse4 .cse5 .cse6 .cse20) (and .cse1 .cse14 .cse15 .cse8 .cse2 .cse16 .cse17 .cse18 .cse5 .cse6 .cse19 .cse3 .cse20)))) [2020-11-30 00:46:57,434 INFO L274 CegarLoopResult]: For program point L813-5(lines 813 821) no Hoare annotation was computed. [2020-11-30 00:46:57,434 INFO L274 CegarLoopResult]: For program point L681-2(lines 681 694) no Hoare annotation was computed. [2020-11-30 00:46:57,435 INFO L270 CegarLoopResult]: At program point L681-3(lines 1 991) the Hoare annotation is: false [2020-11-30 00:46:57,435 INFO L274 CegarLoopResult]: For program point L681-4(lines 681 694) no Hoare annotation was computed. [2020-11-30 00:46:57,435 INFO L270 CegarLoopResult]: At program point L681-5(lines 1 991) the Hoare annotation is: false [2020-11-30 00:46:57,435 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-30 00:46:57,435 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-30 00:46:57,436 INFO L270 CegarLoopResult]: At program point L980(lines 965 983) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4))) [2020-11-30 00:46:57,436 INFO L270 CegarLoopResult]: At program point L980-1(lines 965 983) the Hoare annotation is: false [2020-11-30 00:46:57,436 INFO L270 CegarLoopResult]: At program point L980-2(lines 965 983) the Hoare annotation is: false [2020-11-30 00:46:57,436 INFO L274 CegarLoopResult]: For program point L749(lines 749 753) no Hoare annotation was computed. [2020-11-30 00:46:57,437 INFO L270 CegarLoopResult]: At program point L749-2(lines 777 783) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse6 (let ((.cse10 (not .cse9))) (or (and (= ~waterLevel~0 1) .cse10 .cse1 .cse5) (and .cse10 .cse1 (<= 2 ~waterLevel~0) .cse5)))) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_processEnvironment_~tmp~7 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2 .cse8) (and .cse2 .cse3 .cse9 .cse5 .cse8) (and .cse7 .cse2 .cse9 .cse5 .cse8) (and .cse6 .cse2 .cse3 .cse8) (and .cse0 .cse7 .cse1 .cse2 .cse4 .cse5)))) [2020-11-30 00:46:57,437 INFO L270 CegarLoopResult]: At program point L650(lines 641 654) the Hoare annotation is: false [2020-11-30 00:46:57,437 INFO L270 CegarLoopResult]: At program point L650-1(lines 641 654) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse8 (not .cse0)) (.cse9 (<= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse9 .cse7 .cse1 .cse4 .cse5) (and .cse8 .cse9 .cse1 .cse2 .cse4 .cse5)))) [2020-11-30 00:46:57,437 INFO L270 CegarLoopResult]: At program point L650-2(lines 641 654) the Hoare annotation is: false [2020-11-30 00:46:57,437 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-30 00:46:57,438 INFO L270 CegarLoopResult]: At program point L650-3(lines 641 654) the Hoare annotation is: false [2020-11-30 00:46:57,438 INFO L274 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-11-30 00:46:57,438 INFO L270 CegarLoopResult]: At program point L650-4(lines 641 654) the Hoare annotation is: false [2020-11-30 00:46:57,438 INFO L270 CegarLoopResult]: At program point L650-5(lines 641 654) the Hoare annotation is: false [2020-11-30 00:46:57,438 INFO L274 CegarLoopResult]: For program point L551-2(line 551) no Hoare annotation was computed. [2020-11-30 00:46:57,439 INFO L270 CegarLoopResult]: At program point L784(lines 784 790) the Hoare annotation is: (let ((.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse10 (<= 2 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse8 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse16 (not .cse11)) (.cse14 (<= ~waterLevel~0 2)) (.cse15 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse4 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse8 .cse9 .cse10 .cse11 .cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse12 (not .cse13) .cse3 .cse14) (and .cse0 .cse15 .cse2 .cse13 .cse5) (and .cse15 .cse6 .cse12 .cse7 .cse1 .cse2 .cse8 .cse9 .cse16 .cse10 .cse5 .cse14) (and .cse15 .cse6 .cse12 .cse7 .cse2 .cse8 .cse9 .cse16 .cse13 .cse5 .cse14) (and .cse0 .cse15 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse3 .cse2 .cse13 .cse5)))) [2020-11-30 00:46:57,439 INFO L270 CegarLoopResult]: At program point L784-1(lines 784 790) the Hoare annotation is: false [2020-11-30 00:46:57,439 INFO L270 CegarLoopResult]: At program point L784-2(lines 784 790) the Hoare annotation is: false [2020-11-30 00:46:57,439 INFO L274 CegarLoopResult]: For program point L685(lines 685 691) no Hoare annotation was computed. [2020-11-30 00:46:57,440 INFO L274 CegarLoopResult]: For program point L685-2(lines 685 691) no Hoare annotation was computed. [2020-11-30 00:46:57,440 INFO L274 CegarLoopResult]: For program point L685-4(lines 685 691) no Hoare annotation was computed. [2020-11-30 00:46:57,440 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:46:57,440 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-30 00:46:57,440 INFO L274 CegarLoopResult]: For program point L58-1(lines 777 783) no Hoare annotation was computed. [2020-11-30 00:46:57,441 INFO L274 CegarLoopResult]: For program point L721(lines 721 727) no Hoare annotation was computed. [2020-11-30 00:46:57,441 INFO L270 CegarLoopResult]: At program point L721-1(lines 721 727) the Hoare annotation is: (let ((.cse15 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 0)) (.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse14 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (not .cse13)) (.cse6 (not .cse15)) (.cse0 (<= ~waterLevel~0 1)) (.cse9 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse12 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse16 (= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse10 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse7 .cse4 .cse5 .cse6 .cse8) (and .cse9 .cse2 .cse10 .cse11 .cse12 .cse13 .cse14 .cse5 .cse8 .cse15) (and .cse1 .cse2 .cse10 .cse3 .cse14 .cse5 .cse6 .cse8) (and .cse1 .cse2 .cse3 (or (and .cse2 .cse10 .cse7 .cse5) (and .cse16 .cse10 .cse5)) .cse6 .cse8) (and .cse2 .cse11 .cse7 .cse4 .cse5 .cse8) (and .cse0 .cse2 .cse11 .cse9 .cse12 .cse13 .cse4 .cse5 .cse15) (and .cse16 .cse11 .cse2 .cse4 .cse5) (and .cse13 (or (and (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse16 .cse10 .cse2 .cse11 .cse5) (and .cse2 .cse10 .cse11 .cse7 .cse5)) .cse8 .cse15)))) [2020-11-30 00:46:57,441 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:46:57,441 INFO L274 CegarLoopResult]: For program point L955(lines 955 959) no Hoare annotation was computed. [2020-11-30 00:46:57,442 INFO L274 CegarLoopResult]: For program point L955-2(lines 955 959) no Hoare annotation was computed. [2020-11-30 00:46:57,442 INFO L274 CegarLoopResult]: For program point L955-3(lines 955 959) no Hoare annotation was computed. [2020-11-30 00:46:57,442 INFO L274 CegarLoopResult]: For program point L955-5(lines 955 959) no Hoare annotation was computed. [2020-11-30 00:46:57,442 INFO L274 CegarLoopResult]: For program point L955-6(lines 955 959) no Hoare annotation was computed. [2020-11-30 00:46:57,442 INFO L274 CegarLoopResult]: For program point L955-8(lines 955 959) no Hoare annotation was computed. [2020-11-30 00:46:57,442 INFO L274 CegarLoopResult]: For program point L955-9(lines 955 959) no Hoare annotation was computed. [2020-11-30 00:46:57,443 INFO L274 CegarLoopResult]: For program point L592(lines 592 596) no Hoare annotation was computed. [2020-11-30 00:46:57,443 INFO L274 CegarLoopResult]: For program point L955-11(lines 955 959) no Hoare annotation was computed. [2020-11-30 00:46:57,443 INFO L274 CegarLoopResult]: For program point L955-12(lines 955 959) no Hoare annotation was computed. [2020-11-30 00:46:57,443 INFO L274 CegarLoopResult]: For program point L955-14(lines 955 959) no Hoare annotation was computed. [2020-11-30 00:46:57,443 INFO L274 CegarLoopResult]: For program point L955-15(lines 955 959) no Hoare annotation was computed. [2020-11-30 00:46:57,443 INFO L274 CegarLoopResult]: For program point L955-17(lines 955 959) no Hoare annotation was computed. [2020-11-30 00:46:57,444 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:46:57,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:46:57,444 INFO L270 CegarLoopResult]: At program point L759(lines 710 760) the Hoare annotation is: false [2020-11-30 00:46:57,444 INFO L270 CegarLoopResult]: At program point L660(lines 655 663) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= ULTIMATE.start_activatePump_~tmp~8 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4))) [2020-11-30 00:46:57,445 INFO L270 CegarLoopResult]: At program point L660-1(lines 655 663) the Hoare annotation is: false [2020-11-30 00:46:57,445 INFO L270 CegarLoopResult]: At program point L660-2(lines 655 663) the Hoare annotation is: false [2020-11-30 00:46:57,445 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-30 00:46:57,445 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-30 00:46:57,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:46:57 BoogieIcfgContainer [2020-11-30 00:46:57,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:46:57,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:46:57,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:46:57,501 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:46:57,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:46:33" (3/4) ... [2020-11-30 00:46:57,505 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:46:57,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:46:57,543 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:46:57,544 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:46:57,546 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:46:57,548 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:46:57,549 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:46:57,551 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:46:57,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) || (((((((((waterLevel <= 1 && \result <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && tmp == 0) && !(tmp == 0)) && splverifierCounter == 0)) || ((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((((tmp___0 == 1 && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && waterLevel <= 2)) || ((((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp == 0)) && \result == 0) && !(\result == 0)) && waterLevel <= 2) [2020-11-30 00:46:57,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && waterLevel <= 2)) || (((((((((\result <= 1 && 1 == systemActive) && tmp == 0) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && tmp == 0) && !(\result == 0)) && tmp == 0) && splverifierCounter == 0) && !(tmp == 0)) && waterLevel <= 2)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && ((((1 == systemActive && tmp == 0) && 2 <= waterLevel) && splverifierCounter == 0) || ((waterLevel == 1 && tmp == 0) && splverifierCounter == 0))) && !(tmp == 0)) && waterLevel <= 2)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((\result == 0 && ((((((\result == 0 && waterLevel == 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) || ((((1 == systemActive && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0))) && waterLevel <= 2) && tmp == 0) [2020-11-30 00:46:57,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 0) && splverifierCounter == 0) || (((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:46:57,580 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && tmp == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((tmp___0 == 1 && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) [2020-11-30 00:46:57,581 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:46:57,581 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) || ((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp == 0) [2020-11-30 00:46:57,583 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 1) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && tmp___0 == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((tmp___0 == 1 && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-30 00:46:57,584 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && !(\result == 0)) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp == 0 [2020-11-30 00:46:57,585 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp___0 == 1 && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-30 00:46:57,586 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp___0 == 1 && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-30 00:46:57,717 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_33eb77fa-8883-4843-adf1-ba714e633aec/bin/uautomizer/witness.graphml [2020-11-30 00:46:57,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:46:57,718 INFO L168 Benchmark]: Toolchain (without parser) took 27123.14 ms. Allocated memory was 86.0 MB in the beginning and 417.3 MB in the end (delta: 331.4 MB). Free memory was 52.6 MB in the beginning and 387.6 MB in the end (delta: -335.0 MB). Peak memory consumption was 244.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:57,719 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 86.0 MB. Free memory was 61.8 MB in the beginning and 61.8 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:46:57,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.80 ms. Allocated memory is still 86.0 MB. Free memory was 52.4 MB in the beginning and 53.0 MB in the end (delta: -589.7 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:57,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.02 ms. Allocated memory is still 86.0 MB. Free memory was 53.0 MB in the beginning and 48.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:57,720 INFO L168 Benchmark]: Boogie Preprocessor took 54.11 ms. Allocated memory is still 86.0 MB. Free memory was 48.9 MB in the beginning and 45.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:57,721 INFO L168 Benchmark]: RCFGBuilder took 1471.83 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 45.8 MB in the beginning and 72.2 MB in the end (delta: -26.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:57,721 INFO L168 Benchmark]: TraceAbstraction took 24470.44 ms. Allocated memory was 117.4 MB in the beginning and 417.3 MB in the end (delta: 299.9 MB). Free memory was 72.2 MB in the beginning and 154.4 MB in the end (delta: -82.2 MB). Peak memory consumption was 236.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:57,722 INFO L168 Benchmark]: Witness Printer took 216.67 ms. Allocated memory is still 417.3 MB. Free memory was 154.4 MB in the beginning and 387.6 MB in the end (delta: -233.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:57,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 86.0 MB. Free memory was 61.8 MB in the beginning and 61.8 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 749.80 ms. Allocated memory is still 86.0 MB. Free memory was 52.4 MB in the beginning and 53.0 MB in the end (delta: -589.7 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 149.02 ms. Allocated memory is still 86.0 MB. Free memory was 53.0 MB in the beginning and 48.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.11 ms. Allocated memory is still 86.0 MB. Free memory was 48.9 MB in the beginning and 45.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1471.83 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 45.8 MB in the beginning and 72.2 MB in the end (delta: -26.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24470.44 ms. Allocated memory was 117.4 MB in the beginning and 417.3 MB in the end (delta: 299.9 MB). Free memory was 72.2 MB in the beginning and 154.4 MB in the end (delta: -82.2 MB). Peak memory consumption was 236.9 MB. Max. memory is 16.1 GB. * Witness Printer took 216.67 ms. Allocated memory is still 417.3 MB. Free memory was 154.4 MB in the beginning and 387.6 MB in the end (delta: -233.3 MB). Peak memory consumption was 13.8 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: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: (((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 0) && splverifierCounter == 0) || (((((((waterLevel == 1 && !(pumpRunning == 0)) && tmp == 0) && splverifierCounter == 0) || (((!(pumpRunning == 0) && tmp == 0) && 2 <= waterLevel) && splverifierCounter == 0)) && methaneLevelCritical == 1) && 1 == systemActive) && waterLevel <= 2)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel == 1 && !(pumpRunning == 0)) && tmp == 0) && splverifierCounter == 0) || (((!(pumpRunning == 0) && tmp == 0) && 2 <= waterLevel) && splverifierCounter == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 1) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && tmp___0 == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((tmp___0 == 1 && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: ((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && !(\result == 0)) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp == 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && (((waterLevel == 1 && tmp == 0) && splverifierCounter == 0) || (((!(pumpRunning == 0) && tmp == 0) && 2 <= waterLevel) && splverifierCounter == 0))) && waterLevel <= 2) || (((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 1 && 1 == systemActive) && (((waterLevel == 1 && tmp == 0) && splverifierCounter == 0) || (((!(pumpRunning == 0) && tmp == 0) && 2 <= waterLevel) && splverifierCounter == 0))) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) || (((((((((waterLevel <= 1 && \result <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && tmp == 0) && !(tmp == 0)) && splverifierCounter == 0)) || ((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((((tmp___0 == 1 && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && waterLevel <= 2)) || ((((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp == 0)) && \result == 0) && !(\result == 0)) && waterLevel <= 2) - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) || ((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp == 0) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (((((((((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && waterLevel <= 2)) || (((((((((\result <= 1 && 1 == systemActive) && tmp == 0) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && tmp == 0) && !(\result == 0)) && tmp == 0) && splverifierCounter == 0) && !(tmp == 0)) && waterLevel <= 2)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && ((((1 == systemActive && tmp == 0) && 2 <= waterLevel) && splverifierCounter == 0) || ((waterLevel == 1 && tmp == 0) && splverifierCounter == 0))) && !(tmp == 0)) && waterLevel <= 2)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((\result == 0 && ((((((\result == 0 && waterLevel == 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) || ((((1 == systemActive && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0))) && waterLevel <= 2) && tmp == 0) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((((((((tmp___0 == 1 && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((((((((((tmp___0 == 1 && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: ((((((((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && tmp == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((tmp___0 == 1 && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 0) && splverifierCounter == 0) || (((((((((((((tmp___0 == 1 && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: ((((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.7s, OverallIterations: 16, TraceHistogramMax: 2, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1875 SDtfs, 2930 SDslu, 3709 SDs, 0 SdLazy, 527 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 2785 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 58 PreInvPairs, 324 NumberOfFragments, 1937 HoareAnnotationTreeSize, 58 FomulaSimplifications, 21148097 FormulaSimplificationTreeSizeReduction, 5.4s HoareSimplificationTime, 58 FomulaSimplificationsInter, 2059250 FormulaSimplificationTreeSizeReductionInter, 12.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 667 NumberOfCodeBlocks, 667 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 53819 SizeOfPredicates, 4 NumberOfNonLiveVariables, 463 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 78/90 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...