./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_58d43ea8-ecd7-4a21-9351-ef040d87971c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/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 [2020-11-28 03:01:00,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:01:00,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:01:00,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:01:00,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:01:00,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:01:00,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:01:00,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:01:00,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:01:00,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:01:00,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:01:00,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:01:00,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:01:00,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:01:00,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:01:00,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:01:00,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:01:00,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:01:00,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:01:00,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:01:00,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:01:00,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:01:00,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:01:00,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:01:00,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:01:00,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:01:00,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:01:00,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:01:00,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:01:00,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:01:00,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:01:00,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:01:00,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:01:00,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:01:00,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:01:00,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:01:00,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:01:00,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:01:00,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:01:00,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:01:00,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:01:00,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:01:00,904 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:01:00,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:01:00,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:01:00,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:01:00,908 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:01:00,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:01:00,909 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:01:00,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:01:00,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:01:00,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:01:00,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:01:00,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:01:00,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:01:00,911 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:01:00,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:01:00,912 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:01:00,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:01:00,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:01:00,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:01:00,913 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:01:00,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:01:00,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:01:00,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:01:00,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:01:00,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:01:00,915 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:01:00,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:01:00,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:01:00,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:01:00,917 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_58d43ea8-ecd7-4a21-9351-ef040d87971c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8451c8f3d8ff26b053ea0918ef208b2c50fd9de [2020-11-28 03:01:01,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:01:01,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:01:01,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:01:01,326 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:01:01,327 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:01:01,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2020-11-28 03:01:01,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/bin/uautomizer/data/792397360/41c7623c1ee144e5941ecff26f3fba4f/FLAG93c1985c1 [2020-11-28 03:01:02,154 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:01:02,154 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2020-11-28 03:01:02,169 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/bin/uautomizer/data/792397360/41c7623c1ee144e5941ecff26f3fba4f/FLAG93c1985c1 [2020-11-28 03:01:02,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/bin/uautomizer/data/792397360/41c7623c1ee144e5941ecff26f3fba4f [2020-11-28 03:01:02,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:01:02,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:01:02,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:01:02,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:01:02,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:01:02,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:02" (1/1) ... [2020-11-28 03:01:02,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64be915a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:02, skipping insertion in model container [2020-11-28 03:01:02,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:02" (1/1) ... [2020-11-28 03:01:02,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:01:02,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:01:02,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:01:02,882 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:01:02,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:01:03,049 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:01:03,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:03 WrapperNode [2020-11-28 03:01:03,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:01:03,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:01:03,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:01:03,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:01:03,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:03" (1/1) ... [2020-11-28 03:01:03,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:03" (1/1) ... [2020-11-28 03:01:03,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:01:03,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:01:03,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:01:03,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:01:03,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:03" (1/1) ... [2020-11-28 03:01:03,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:03" (1/1) ... [2020-11-28 03:01:03,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:03" (1/1) ... [2020-11-28 03:01:03,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:03" (1/1) ... [2020-11-28 03:01:03,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:03" (1/1) ... [2020-11-28 03:01:03,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:03" (1/1) ... [2020-11-28 03:01:03,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:03" (1/1) ... [2020-11-28 03:01:03,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:01:03,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:01:03,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:01:03,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:01:03,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/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 [2020-11-28 03:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:01:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:01:04,774 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:01:04,775 INFO L298 CfgBuilder]: Removed 206 assume(true) statements. [2020-11-28 03:01:04,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:04 BoogieIcfgContainer [2020-11-28 03:01:04,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:01:04,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:01:04,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:01:04,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:01:04,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:01:02" (1/3) ... [2020-11-28 03:01:04,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee2c08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:04, skipping insertion in model container [2020-11-28 03:01:04,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:03" (2/3) ... [2020-11-28 03:01:04,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee2c08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:04, skipping insertion in model container [2020-11-28 03:01:04,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:04" (3/3) ... [2020-11-28 03:01:04,793 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2020-11-28 03:01:04,812 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:01:04,817 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:01:04,836 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:01:04,872 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:01:04,872 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:01:04,873 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:01:04,873 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:01:04,873 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:01:04,873 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:01:04,873 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:01:04,873 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:01:04,894 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-11-28 03:01:04,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:01:04,902 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:04,903 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:04,903 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:04,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:04,910 INFO L82 PathProgramCache]: Analyzing trace with hash 833083772, now seen corresponding path program 1 times [2020-11-28 03:01:04,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:04,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065211449] [2020-11-28 03:01:04,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:05,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065211449] [2020-11-28 03:01:05,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:05,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:01:05,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455229132] [2020-11-28 03:01:05,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:01:05,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:05,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:01:05,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:01:05,241 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2020-11-28 03:01:05,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:05,284 INFO L93 Difference]: Finished difference Result 279 states and 416 transitions. [2020-11-28 03:01:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:01:05,285 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:01:05,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:05,299 INFO L225 Difference]: With dead ends: 279 [2020-11-28 03:01:05,299 INFO L226 Difference]: Without dead ends: 137 [2020-11-28 03:01:05,304 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 [2020-11-28 03:01:05,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-11-28 03:01:05,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-11-28 03:01:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-11-28 03:01:05,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2020-11-28 03:01:05,360 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2020-11-28 03:01:05,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:05,360 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2020-11-28 03:01:05,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:01:05,360 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2020-11-28 03:01:05,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:01:05,362 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:05,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:05,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:01:05,363 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:05,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:05,367 INFO L82 PathProgramCache]: Analyzing trace with hash -77946981, now seen corresponding path program 1 times [2020-11-28 03:01:05,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:05,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83449490] [2020-11-28 03:01:05,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:05,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:05,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83449490] [2020-11-28 03:01:05,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:05,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:01:05,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427511287] [2020-11-28 03:01:05,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:05,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:05,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:05,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:01:05,590 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand 3 states. [2020-11-28 03:01:05,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:05,618 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2020-11-28 03:01:05,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:05,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:01:05,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:05,625 INFO L225 Difference]: With dead ends: 137 [2020-11-28 03:01:05,625 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:01:05,626 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 [2020-11-28 03:01:05,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:01:05,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:01:05,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:01:05,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-11-28 03:01:05,635 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-11-28 03:01:05,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:05,635 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-11-28 03:01:05,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-11-28 03:01:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:01:05,637 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:05,643 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] [2020-11-28 03:01:05,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:01:05,644 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:05,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:05,645 INFO L82 PathProgramCache]: Analyzing trace with hash -917137565, now seen corresponding path program 1 times [2020-11-28 03:01:05,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:05,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093306022] [2020-11-28 03:01:05,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:05,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093306022] [2020-11-28 03:01:05,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:05,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:01:05,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732105503] [2020-11-28 03:01:05,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:05,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:05,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:05,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:01:05,797 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2020-11-28 03:01:05,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:05,846 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2020-11-28 03:01:05,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:05,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 03:01:05,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:05,848 INFO L225 Difference]: With dead ends: 104 [2020-11-28 03:01:05,849 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:01:05,850 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 [2020-11-28 03:01:05,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:01:05,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:01:05,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:01:05,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-11-28 03:01:05,863 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-11-28 03:01:05,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:05,864 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-11-28 03:01:05,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:05,864 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-11-28 03:01:05,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:01:05,865 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:05,865 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] [2020-11-28 03:01:05,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:01:05,866 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:05,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:05,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1642774406, now seen corresponding path program 1 times [2020-11-28 03:01:05,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:05,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615648452] [2020-11-28 03:01:05,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:05,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615648452] [2020-11-28 03:01:05,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:05,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:01:05,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310319403] [2020-11-28 03:01:05,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:05,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:05,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:05,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:01:05,996 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-11-28 03:01:06,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:06,041 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2020-11-28 03:01:06,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:06,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 03:01:06,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:06,043 INFO L225 Difference]: With dead ends: 127 [2020-11-28 03:01:06,044 INFO L226 Difference]: Without dead ends: 78 [2020-11-28 03:01:06,045 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 [2020-11-28 03:01:06,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-11-28 03:01:06,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2020-11-28 03:01:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-28 03:01:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2020-11-28 03:01:06,070 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2020-11-28 03:01:06,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:06,070 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2020-11-28 03:01:06,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:06,071 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2020-11-28 03:01:06,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:01:06,072 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:06,073 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] [2020-11-28 03:01:06,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:01:06,074 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:06,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:06,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1904097010, now seen corresponding path program 1 times [2020-11-28 03:01:06,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:06,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282018497] [2020-11-28 03:01:06,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:06,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:06,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282018497] [2020-11-28 03:01:06,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:06,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:01:06,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244099556] [2020-11-28 03:01:06,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:01:06,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:06,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:01:06,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:06,217 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2020-11-28 03:01:06,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:06,485 INFO L93 Difference]: Finished difference Result 381 states and 553 transitions. [2020-11-28 03:01:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:01:06,486 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-28 03:01:06,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:06,493 INFO L225 Difference]: With dead ends: 381 [2020-11-28 03:01:06,493 INFO L226 Difference]: Without dead ends: 311 [2020-11-28 03:01:06,496 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 [2020-11-28 03:01:06,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-11-28 03:01:06,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2020-11-28 03:01:06,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-11-28 03:01:06,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 170 transitions. [2020-11-28 03:01:06,537 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 170 transitions. Word has length 32 [2020-11-28 03:01:06,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:06,539 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 170 transitions. [2020-11-28 03:01:06,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:01:06,539 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2020-11-28 03:01:06,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:01:06,542 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:06,543 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] [2020-11-28 03:01:06,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:01:06,544 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:06,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:06,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1319823756, now seen corresponding path program 1 times [2020-11-28 03:01:06,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:06,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603874818] [2020-11-28 03:01:06,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:06,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:06,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603874818] [2020-11-28 03:01:06,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:06,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:01:06,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505431788] [2020-11-28 03:01:06,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:01:06,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:06,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:01:06,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:01:06,655 INFO L87 Difference]: Start difference. First operand 123 states and 170 transitions. Second operand 4 states. [2020-11-28 03:01:06,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:06,803 INFO L93 Difference]: Finished difference Result 254 states and 358 transitions. [2020-11-28 03:01:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:01:06,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-28 03:01:06,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:06,806 INFO L225 Difference]: With dead ends: 254 [2020-11-28 03:01:06,806 INFO L226 Difference]: Without dead ends: 184 [2020-11-28 03:01:06,807 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 [2020-11-28 03:01:06,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-11-28 03:01:06,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2020-11-28 03:01:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-11-28 03:01:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 251 transitions. [2020-11-28 03:01:06,831 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 251 transitions. Word has length 33 [2020-11-28 03:01:06,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:06,832 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 251 transitions. [2020-11-28 03:01:06,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:01:06,832 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 251 transitions. [2020-11-28 03:01:06,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:01:06,836 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:06,836 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] [2020-11-28 03:01:06,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:01:06,837 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:06,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:06,840 INFO L82 PathProgramCache]: Analyzing trace with hash 308706506, now seen corresponding path program 1 times [2020-11-28 03:01:06,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:06,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84298493] [2020-11-28 03:01:06,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:06,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84298493] [2020-11-28 03:01:06,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:06,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:01:06,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050702170] [2020-11-28 03:01:06,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:01:06,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:06,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:01:06,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:01:06,937 INFO L87 Difference]: Start difference. First operand 181 states and 251 transitions. Second operand 4 states. [2020-11-28 03:01:07,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:07,038 INFO L93 Difference]: Finished difference Result 505 states and 712 transitions. [2020-11-28 03:01:07,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:01:07,039 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-28 03:01:07,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:07,045 INFO L225 Difference]: With dead ends: 505 [2020-11-28 03:01:07,045 INFO L226 Difference]: Without dead ends: 376 [2020-11-28 03:01:07,047 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 [2020-11-28 03:01:07,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-11-28 03:01:07,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 181. [2020-11-28 03:01:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-11-28 03:01:07,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 249 transitions. [2020-11-28 03:01:07,084 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 249 transitions. Word has length 33 [2020-11-28 03:01:07,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:07,084 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 249 transitions. [2020-11-28 03:01:07,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:01:07,085 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2020-11-28 03:01:07,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:01:07,092 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:07,092 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] [2020-11-28 03:01:07,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:01:07,093 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:07,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:07,094 INFO L82 PathProgramCache]: Analyzing trace with hash 566871944, now seen corresponding path program 1 times [2020-11-28 03:01:07,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:07,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030107329] [2020-11-28 03:01:07,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:07,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:07,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030107329] [2020-11-28 03:01:07,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:07,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:01:07,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123434308] [2020-11-28 03:01:07,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:01:07,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:07,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:01:07,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:07,189 INFO L87 Difference]: Start difference. First operand 181 states and 249 transitions. Second operand 5 states. [2020-11-28 03:01:07,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:07,320 INFO L93 Difference]: Finished difference Result 548 states and 766 transitions. [2020-11-28 03:01:07,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:01:07,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-28 03:01:07,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:07,325 INFO L225 Difference]: With dead ends: 548 [2020-11-28 03:01:07,325 INFO L226 Difference]: Without dead ends: 373 [2020-11-28 03:01:07,326 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 [2020-11-28 03:01:07,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-11-28 03:01:07,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 190. [2020-11-28 03:01:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-11-28 03:01:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 256 transitions. [2020-11-28 03:01:07,357 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 256 transitions. Word has length 33 [2020-11-28 03:01:07,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:07,357 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 256 transitions. [2020-11-28 03:01:07,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:01:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 256 transitions. [2020-11-28 03:01:07,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 03:01:07,362 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:07,362 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] [2020-11-28 03:01:07,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:01:07,363 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:07,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:07,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1083058712, now seen corresponding path program 1 times [2020-11-28 03:01:07,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:07,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805431651] [2020-11-28 03:01:07,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:07,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:07,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805431651] [2020-11-28 03:01:07,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:07,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:01:07,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405920984] [2020-11-28 03:01:07,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:01:07,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:07,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:01:07,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:01:07,496 INFO L87 Difference]: Start difference. First operand 190 states and 256 transitions. Second operand 6 states. [2020-11-28 03:01:07,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:07,874 INFO L93 Difference]: Finished difference Result 1391 states and 1856 transitions. [2020-11-28 03:01:07,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-28 03:01:07,875 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-11-28 03:01:07,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:07,884 INFO L225 Difference]: With dead ends: 1391 [2020-11-28 03:01:07,884 INFO L226 Difference]: Without dead ends: 1207 [2020-11-28 03:01:07,886 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 [2020-11-28 03:01:07,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-11-28 03:01:07,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 360. [2020-11-28 03:01:07,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-28 03:01:07,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 478 transitions. [2020-11-28 03:01:07,963 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 478 transitions. Word has length 36 [2020-11-28 03:01:07,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:07,965 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 478 transitions. [2020-11-28 03:01:07,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:01:07,966 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 478 transitions. [2020-11-28 03:01:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 03:01:07,968 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:07,969 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] [2020-11-28 03:01:07,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:01:07,971 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:07,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:07,972 INFO L82 PathProgramCache]: Analyzing trace with hash -403000342, now seen corresponding path program 1 times [2020-11-28 03:01:07,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:07,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408811484] [2020-11-28 03:01:07,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:08,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408811484] [2020-11-28 03:01:08,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:08,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:01:08,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36125813] [2020-11-28 03:01:08,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:01:08,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:08,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:01:08,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:01:08,076 INFO L87 Difference]: Start difference. First operand 360 states and 478 transitions. Second operand 6 states. [2020-11-28 03:01:08,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:08,448 INFO L93 Difference]: Finished difference Result 1050 states and 1414 transitions. [2020-11-28 03:01:08,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 03:01:08,453 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-11-28 03:01:08,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:08,459 INFO L225 Difference]: With dead ends: 1050 [2020-11-28 03:01:08,459 INFO L226 Difference]: Without dead ends: 696 [2020-11-28 03:01:08,460 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 [2020-11-28 03:01:08,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-11-28 03:01:08,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 306. [2020-11-28 03:01:08,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-11-28 03:01:08,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 395 transitions. [2020-11-28 03:01:08,505 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 395 transitions. Word has length 36 [2020-11-28 03:01:08,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:08,506 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 395 transitions. [2020-11-28 03:01:08,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:01:08,506 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 395 transitions. [2020-11-28 03:01:08,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 03:01:08,507 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:08,507 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] [2020-11-28 03:01:08,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:01:08,526 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:08,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:08,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1138138450, now seen corresponding path program 1 times [2020-11-28 03:01:08,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:08,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889262135] [2020-11-28 03:01:08,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:08,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889262135] [2020-11-28 03:01:08,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:08,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 03:01:08,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908633832] [2020-11-28 03:01:08,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:01:08,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:08,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:01:08,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:01:08,619 INFO L87 Difference]: Start difference. First operand 306 states and 395 transitions. Second operand 7 states. [2020-11-28 03:01:09,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:09,193 INFO L93 Difference]: Finished difference Result 1168 states and 1491 transitions. [2020-11-28 03:01:09,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-28 03:01:09,194 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-11-28 03:01:09,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:09,201 INFO L225 Difference]: With dead ends: 1168 [2020-11-28 03:01:09,201 INFO L226 Difference]: Without dead ends: 868 [2020-11-28 03:01:09,202 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 [2020-11-28 03:01:09,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2020-11-28 03:01:09,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 286. [2020-11-28 03:01:09,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-11-28 03:01:09,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 358 transitions. [2020-11-28 03:01:09,279 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 358 transitions. Word has length 37 [2020-11-28 03:01:09,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:09,280 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 358 transitions. [2020-11-28 03:01:09,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:01:09,280 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 358 transitions. [2020-11-28 03:01:09,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 03:01:09,282 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:09,282 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] [2020-11-28 03:01:09,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:01:09,283 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:09,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:09,284 INFO L82 PathProgramCache]: Analyzing trace with hash 113257525, now seen corresponding path program 1 times [2020-11-28 03:01:09,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:09,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094957664] [2020-11-28 03:01:09,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:01:09,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094957664] [2020-11-28 03:01:09,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:09,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:01:09,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511778000] [2020-11-28 03:01:09,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:01:09,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:09,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:01:09,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:09,380 INFO L87 Difference]: Start difference. First operand 286 states and 358 transitions. Second operand 5 states. [2020-11-28 03:01:09,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:09,491 INFO L93 Difference]: Finished difference Result 661 states and 831 transitions. [2020-11-28 03:01:09,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:01:09,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-11-28 03:01:09,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:09,495 INFO L225 Difference]: With dead ends: 661 [2020-11-28 03:01:09,495 INFO L226 Difference]: Without dead ends: 381 [2020-11-28 03:01:09,496 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 [2020-11-28 03:01:09,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-11-28 03:01:09,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 286. [2020-11-28 03:01:09,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-11-28 03:01:09,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 354 transitions. [2020-11-28 03:01:09,542 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 354 transitions. Word has length 55 [2020-11-28 03:01:09,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:09,542 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 354 transitions. [2020-11-28 03:01:09,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:01:09,543 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 354 transitions. [2020-11-28 03:01:09,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 03:01:09,544 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:09,544 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] [2020-11-28 03:01:09,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:01:09,545 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:09,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:09,545 INFO L82 PathProgramCache]: Analyzing trace with hash -730747977, now seen corresponding path program 1 times [2020-11-28 03:01:09,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:09,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686657051] [2020-11-28 03:01:09,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:01:09,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686657051] [2020-11-28 03:01:09,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:09,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:01:09,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410294399] [2020-11-28 03:01:09,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:01:09,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:09,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:01:09,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:09,608 INFO L87 Difference]: Start difference. First operand 286 states and 354 transitions. Second operand 5 states. [2020-11-28 03:01:09,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:09,730 INFO L93 Difference]: Finished difference Result 608 states and 763 transitions. [2020-11-28 03:01:09,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:01:09,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-11-28 03:01:09,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:09,739 INFO L225 Difference]: With dead ends: 608 [2020-11-28 03:01:09,739 INFO L226 Difference]: Without dead ends: 328 [2020-11-28 03:01:09,740 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 [2020-11-28 03:01:09,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-11-28 03:01:09,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 244. [2020-11-28 03:01:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-11-28 03:01:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 303 transitions. [2020-11-28 03:01:09,777 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 303 transitions. Word has length 55 [2020-11-28 03:01:09,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:09,778 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 303 transitions. [2020-11-28 03:01:09,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:01:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 303 transitions. [2020-11-28 03:01:09,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 03:01:09,779 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:09,779 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] [2020-11-28 03:01:09,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 03:01:09,780 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:09,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:09,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1478001787, now seen corresponding path program 1 times [2020-11-28 03:01:09,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:09,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38841333] [2020-11-28 03:01:09,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:09,865 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:09,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38841333] [2020-11-28 03:01:09,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:09,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:01:09,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302865330] [2020-11-28 03:01:09,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:01:09,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:09,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:01:09,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:09,870 INFO L87 Difference]: Start difference. First operand 244 states and 303 transitions. Second operand 5 states. [2020-11-28 03:01:10,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:10,012 INFO L93 Difference]: Finished difference Result 622 states and 772 transitions. [2020-11-28 03:01:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:01:10,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-11-28 03:01:10,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:10,016 INFO L225 Difference]: With dead ends: 622 [2020-11-28 03:01:10,017 INFO L226 Difference]: Without dead ends: 384 [2020-11-28 03:01:10,019 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 [2020-11-28 03:01:10,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-11-28 03:01:10,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 244. [2020-11-28 03:01:10,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-11-28 03:01:10,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 299 transitions. [2020-11-28 03:01:10,057 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 299 transitions. Word has length 56 [2020-11-28 03:01:10,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:10,058 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 299 transitions. [2020-11-28 03:01:10,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:01:10,058 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 299 transitions. [2020-11-28 03:01:10,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:01:10,059 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:10,060 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] [2020-11-28 03:01:10,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-28 03:01:10,060 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:10,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:10,061 INFO L82 PathProgramCache]: Analyzing trace with hash 520111782, now seen corresponding path program 1 times [2020-11-28 03:01:10,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:10,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842051764] [2020-11-28 03:01:10,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:01:10,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842051764] [2020-11-28 03:01:10,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:10,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:01:10,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092754391] [2020-11-28 03:01:10,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:01:10,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:10,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:01:10,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:10,137 INFO L87 Difference]: Start difference. First operand 244 states and 299 transitions. Second operand 5 states. [2020-11-28 03:01:10,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:10,245 INFO L93 Difference]: Finished difference Result 514 states and 643 transitions. [2020-11-28 03:01:10,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:01:10,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-11-28 03:01:10,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:10,248 INFO L225 Difference]: With dead ends: 514 [2020-11-28 03:01:10,249 INFO L226 Difference]: Without dead ends: 326 [2020-11-28 03:01:10,249 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 [2020-11-28 03:01:10,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-11-28 03:01:10,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 250. [2020-11-28 03:01:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-11-28 03:01:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 305 transitions. [2020-11-28 03:01:10,287 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 305 transitions. Word has length 58 [2020-11-28 03:01:10,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:10,287 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 305 transitions. [2020-11-28 03:01:10,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:01:10,288 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 305 transitions. [2020-11-28 03:01:10,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:01:10,289 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:10,289 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] [2020-11-28 03:01:10,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-28 03:01:10,289 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:10,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:10,290 INFO L82 PathProgramCache]: Analyzing trace with hash 778277220, now seen corresponding path program 1 times [2020-11-28 03:01:10,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:10,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245304534] [2020-11-28 03:01:10,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:10,421 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 03:01:10,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245304534] [2020-11-28 03:01:10,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419220440] [2020-11-28 03:01:10,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/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 [2020-11-28 03:01:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:10,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:01:10,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:10,753 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 03:01:10,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:01:10,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-11-28 03:01:10,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329077021] [2020-11-28 03:01:10,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:01:10,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:10,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:01:10,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:01:10,756 INFO L87 Difference]: Start difference. First operand 250 states and 305 transitions. Second operand 7 states. [2020-11-28 03:01:11,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:11,246 INFO L93 Difference]: Finished difference Result 863 states and 1076 transitions. [2020-11-28 03:01:11,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 03:01:11,246 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-11-28 03:01:11,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:11,247 INFO L225 Difference]: With dead ends: 863 [2020-11-28 03:01:11,247 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:01:11,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-11-28 03:01:11,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:01:11,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:01:11,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:01:11,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:01:11,250 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-11-28 03:01:11,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:11,251 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:01:11,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:01:11,251 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:01:11,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:01:11,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-11-28 03:01:11,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:01:12,884 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 374 DAG size of output: 260 [2020-11-28 03:01:13,173 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 123 [2020-11-28 03:01:14,230 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 251 [2020-11-28 03:01:14,457 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 143 [2020-11-28 03:01:14,999 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 225 [2020-11-28 03:01:15,763 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 216 [2020-11-28 03:01:16,029 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 141 [2020-11-28 03:01:16,501 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 174 [2020-11-28 03:01:16,675 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 92 [2020-11-28 03:01:19,706 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 246 DAG size of output: 40 [2020-11-28 03:01:20,326 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2020-11-28 03:01:22,492 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 238 DAG size of output: 41 [2020-11-28 03:01:23,473 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 62 [2020-11-28 03:01:23,751 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 43 [2020-11-28 03:01:25,276 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 223 DAG size of output: 65 [2020-11-28 03:01:25,513 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-11-28 03:01:25,636 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 19 [2020-11-28 03:01:27,196 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 212 DAG size of output: 27 [2020-11-28 03:01:27,361 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2020-11-28 03:01:28,374 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 138 DAG size of output: 54 [2020-11-28 03:01:29,501 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 160 DAG size of output: 51 [2020-11-28 03:01:29,860 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2020-11-28 03:01:29,878 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:01:29,879 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)) [2020-11-28 03:01:29,879 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:01:29,879 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:01:29,879 INFO L270 CegarLoopResult]: At program point L961(lines 946 964) the Hoare annotation is: false [2020-11-28 03:01:29,879 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:01:29,879 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)))) [2020-11-28 03:01:29,879 INFO L270 CegarLoopResult]: At program point L961-2(lines 946 964) the Hoare annotation is: false [2020-11-28 03:01:29,880 INFO L270 CegarLoopResult]: At program point L961-3(lines 946 964) the Hoare annotation is: false [2020-11-28 03:01:29,880 INFO L270 CegarLoopResult]: At program point L961-4(lines 946 964) the Hoare annotation is: false [2020-11-28 03:01:29,880 INFO L270 CegarLoopResult]: At program point L961-5(lines 946 964) the Hoare annotation is: false [2020-11-28 03:01:29,880 INFO L274 CegarLoopResult]: For program point L731(lines 731 737) no Hoare annotation was computed. [2020-11-28 03:01:29,880 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)))) [2020-11-28 03:01:29,880 INFO L270 CegarLoopResult]: At program point L897(lines 890 900) the Hoare annotation is: false [2020-11-28 03:01:29,880 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))) [2020-11-28 03:01:29,880 INFO L270 CegarLoopResult]: At program point L897-2(lines 890 900) the Hoare annotation is: false [2020-11-28 03:01:29,881 INFO L270 CegarLoopResult]: At program point L897-3(lines 890 900) the Hoare annotation is: false [2020-11-28 03:01:29,881 INFO L270 CegarLoopResult]: At program point L897-4(lines 890 900) the Hoare annotation is: false [2020-11-28 03:01:29,881 INFO L270 CegarLoopResult]: At program point L897-5(lines 890 900) the Hoare annotation is: false [2020-11-28 03:01:29,881 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)) [2020-11-28 03:01:29,882 INFO L274 CegarLoopResult]: For program point L568(lines 568 572) no Hoare annotation was computed. [2020-11-28 03:01:29,882 INFO L274 CegarLoopResult]: For program point L568-3(lines 568 572) no Hoare annotation was computed. [2020-11-28 03:01:29,882 INFO L274 CegarLoopResult]: For program point L568-6(lines 568 572) no Hoare annotation was computed. [2020-11-28 03:01:29,882 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-28 03:01:29,882 INFO L274 CegarLoopResult]: For program point L835(lines 835 852) no Hoare annotation was computed. [2020-11-28 03:01:29,882 INFO L274 CegarLoopResult]: For program point L835-1(lines 835 852) no Hoare annotation was computed. [2020-11-28 03:01:29,882 INFO L274 CegarLoopResult]: For program point L835-2(lines 835 852) no Hoare annotation was computed. [2020-11-28 03:01:29,882 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))) [2020-11-28 03:01:29,883 INFO L270 CegarLoopResult]: At program point L637-1(lines 632 640) the Hoare annotation is: false [2020-11-28 03:01:29,883 INFO L270 CegarLoopResult]: At program point L637-2(lines 632 640) the Hoare annotation is: false [2020-11-28 03:01:29,883 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:01:29,883 INFO L270 CegarLoopResult]: At program point L605(lines 600 608) the Hoare annotation is: false [2020-11-28 03:01:29,883 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))) [2020-11-28 03:01:29,884 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)))) [2020-11-28 03:01:29,884 INFO L270 CegarLoopResult]: At program point L605-3(lines 600 608) the Hoare annotation is: false [2020-11-28 03:01:29,884 INFO L270 CegarLoopResult]: At program point L605-4(lines 600 608) the Hoare annotation is: false [2020-11-28 03:01:29,884 INFO L270 CegarLoopResult]: At program point L605-5(lines 600 608) the Hoare annotation is: false [2020-11-28 03:01:29,884 INFO L270 CegarLoopResult]: At program point L605-6(lines 600 608) the Hoare annotation is: false [2020-11-28 03:01:29,884 INFO L270 CegarLoopResult]: At program point L605-7(lines 600 608) the Hoare annotation is: false [2020-11-28 03:01:29,884 INFO L270 CegarLoopResult]: At program point L605-8(lines 600 608) the Hoare annotation is: false [2020-11-28 03:01:29,884 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)) [2020-11-28 03:01:29,884 INFO L274 CegarLoopResult]: For program point L872(lines 872 878) no Hoare annotation was computed. [2020-11-28 03:01:29,885 INFO L274 CegarLoopResult]: For program point L839(lines 839 847) no Hoare annotation was computed. [2020-11-28 03:01:29,885 INFO L274 CegarLoopResult]: For program point L872-2(lines 872 878) no Hoare annotation was computed. [2020-11-28 03:01:29,885 INFO L274 CegarLoopResult]: For program point L839-1(lines 839 847) no Hoare annotation was computed. [2020-11-28 03:01:29,885 INFO L274 CegarLoopResult]: For program point L839-2(lines 839 847) no Hoare annotation was computed. [2020-11-28 03:01:29,885 INFO L274 CegarLoopResult]: For program point L872-4(lines 872 878) no Hoare annotation was computed. [2020-11-28 03:01:29,885 INFO L274 CegarLoopResult]: For program point L872-6(lines 872 878) no Hoare annotation was computed. [2020-11-28 03:01:29,885 INFO L274 CegarLoopResult]: For program point L872-8(lines 872 878) no Hoare annotation was computed. [2020-11-28 03:01:29,885 INFO L274 CegarLoopResult]: For program point L872-10(lines 872 878) no Hoare annotation was computed. [2020-11-28 03:01:29,885 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)) [2020-11-28 03:01:29,886 INFO L270 CegarLoopResult]: At program point L906-1(lines 901 909) the Hoare annotation is: false [2020-11-28 03:01:29,886 INFO L270 CegarLoopResult]: At program point L906-2(lines 901 909) the Hoare annotation is: false [2020-11-28 03:01:29,886 INFO L274 CegarLoopResult]: For program point L741(lines 741 754) no Hoare annotation was computed. [2020-11-28 03:01:29,886 INFO L274 CegarLoopResult]: For program point L675(lines 675 695) no Hoare annotation was computed. [2020-11-28 03:01:29,886 INFO L274 CegarLoopResult]: For program point L675-2(lines 675 695) no Hoare annotation was computed. [2020-11-28 03:01:29,886 INFO L274 CegarLoopResult]: For program point L675-4(lines 675 695) no Hoare annotation was computed. [2020-11-28 03:01:29,886 INFO L274 CegarLoopResult]: For program point L974(lines 974 978) no Hoare annotation was computed. [2020-11-28 03:01:29,886 INFO L274 CegarLoopResult]: For program point L974-2(lines 974 978) no Hoare annotation was computed. [2020-11-28 03:01:29,886 INFO L274 CegarLoopResult]: For program point L974-3(lines 974 978) no Hoare annotation was computed. [2020-11-28 03:01:29,886 INFO L274 CegarLoopResult]: For program point L809(lines 809 826) no Hoare annotation was computed. [2020-11-28 03:01:29,887 INFO L274 CegarLoopResult]: For program point L974-5(lines 974 978) no Hoare annotation was computed. [2020-11-28 03:01:29,887 INFO L274 CegarLoopResult]: For program point L809-1(lines 809 826) no Hoare annotation was computed. [2020-11-28 03:01:29,887 INFO L274 CegarLoopResult]: For program point L974-6(lines 974 978) no Hoare annotation was computed. [2020-11-28 03:01:29,887 INFO L274 CegarLoopResult]: For program point L809-2(lines 809 826) no Hoare annotation was computed. [2020-11-28 03:01:29,887 INFO L274 CegarLoopResult]: For program point L809-3(lines 809 826) no Hoare annotation was computed. [2020-11-28 03:01:29,887 INFO L274 CegarLoopResult]: For program point L974-8(lines 974 978) no Hoare annotation was computed. [2020-11-28 03:01:29,887 INFO L274 CegarLoopResult]: For program point L809-4(lines 809 826) no Hoare annotation was computed. [2020-11-28 03:01:29,887 INFO L274 CegarLoopResult]: For program point L809-5(lines 809 826) no Hoare annotation was computed. [2020-11-28 03:01:29,888 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))) [2020-11-28 03:01:29,888 INFO L274 CegarLoopResult]: For program point L777-1(lines 777 783) no Hoare annotation was computed. [2020-11-28 03:01:29,888 INFO L270 CegarLoopResult]: At program point L777-2(lines 776 795) the Hoare annotation is: false [2020-11-28 03:01:29,888 INFO L270 CegarLoopResult]: At program point L777-3(lines 776 795) the Hoare annotation is: false [2020-11-28 03:01:29,888 INFO L274 CegarLoopResult]: For program point L645(lines 645 651) no Hoare annotation was computed. [2020-11-28 03:01:29,888 INFO L274 CegarLoopResult]: For program point L645-1(lines 645 651) no Hoare annotation was computed. [2020-11-28 03:01:29,888 INFO L274 CegarLoopResult]: For program point L645-2(lines 645 651) no Hoare annotation was computed. [2020-11-28 03:01:29,888 INFO L274 CegarLoopResult]: For program point L645-3(lines 645 651) no Hoare annotation was computed. [2020-11-28 03:01:29,888 INFO L274 CegarLoopResult]: For program point L645-4(lines 645 651) no Hoare annotation was computed. [2020-11-28 03:01:29,888 INFO L274 CegarLoopResult]: For program point L645-5(lines 645 651) no Hoare annotation was computed. [2020-11-28 03:01:29,888 INFO L274 CegarLoopResult]: For program point L712(lines 711 758) no Hoare annotation was computed. [2020-11-28 03:01:29,889 INFO L274 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-11-28 03:01:29,889 INFO L274 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-11-28 03:01:29,891 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:01:29,891 INFO L274 CegarLoopResult]: For program point L813(lines 813 821) no Hoare annotation was computed. [2020-11-28 03:01:29,891 INFO L274 CegarLoopResult]: For program point L813-1(lines 813 821) no Hoare annotation was computed. [2020-11-28 03:01:29,891 INFO L274 CegarLoopResult]: For program point L813-2(lines 813 821) no Hoare annotation was computed. [2020-11-28 03:01:29,891 INFO L274 CegarLoopResult]: For program point L813-3(lines 813 821) no Hoare annotation was computed. [2020-11-28 03:01:29,891 INFO L274 CegarLoopResult]: For program point L681(lines 681 694) no Hoare annotation was computed. [2020-11-28 03:01:29,892 INFO L274 CegarLoopResult]: For program point L813-4(lines 813 821) no Hoare annotation was computed. [2020-11-28 03:01:29,892 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)))) [2020-11-28 03:01:29,892 INFO L274 CegarLoopResult]: For program point L813-5(lines 813 821) no Hoare annotation was computed. [2020-11-28 03:01:29,892 INFO L274 CegarLoopResult]: For program point L681-2(lines 681 694) no Hoare annotation was computed. [2020-11-28 03:01:29,893 INFO L270 CegarLoopResult]: At program point L681-3(lines 1 991) the Hoare annotation is: false [2020-11-28 03:01:29,893 INFO L274 CegarLoopResult]: For program point L681-4(lines 681 694) no Hoare annotation was computed. [2020-11-28 03:01:29,893 INFO L270 CegarLoopResult]: At program point L681-5(lines 1 991) the Hoare annotation is: false [2020-11-28 03:01:29,893 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-28 03:01:29,893 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-28 03:01:29,894 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))) [2020-11-28 03:01:29,894 INFO L270 CegarLoopResult]: At program point L980-1(lines 965 983) the Hoare annotation is: false [2020-11-28 03:01:29,894 INFO L270 CegarLoopResult]: At program point L980-2(lines 965 983) the Hoare annotation is: false [2020-11-28 03:01:29,894 INFO L274 CegarLoopResult]: For program point L749(lines 749 753) no Hoare annotation was computed. [2020-11-28 03:01:29,894 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)))) [2020-11-28 03:01:29,895 INFO L270 CegarLoopResult]: At program point L650(lines 641 654) the Hoare annotation is: false [2020-11-28 03:01:29,895 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)))) [2020-11-28 03:01:29,895 INFO L270 CegarLoopResult]: At program point L650-2(lines 641 654) the Hoare annotation is: false [2020-11-28 03:01:29,895 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-28 03:01:29,895 INFO L270 CegarLoopResult]: At program point L650-3(lines 641 654) the Hoare annotation is: false [2020-11-28 03:01:29,895 INFO L274 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-11-28 03:01:29,896 INFO L270 CegarLoopResult]: At program point L650-4(lines 641 654) the Hoare annotation is: false [2020-11-28 03:01:29,896 INFO L270 CegarLoopResult]: At program point L650-5(lines 641 654) the Hoare annotation is: false [2020-11-28 03:01:29,896 INFO L274 CegarLoopResult]: For program point L551-2(line 551) no Hoare annotation was computed. [2020-11-28 03:01:29,896 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)))) [2020-11-28 03:01:29,897 INFO L270 CegarLoopResult]: At program point L784-1(lines 784 790) the Hoare annotation is: false [2020-11-28 03:01:29,897 INFO L270 CegarLoopResult]: At program point L784-2(lines 784 790) the Hoare annotation is: false [2020-11-28 03:01:29,897 INFO L274 CegarLoopResult]: For program point L685(lines 685 691) no Hoare annotation was computed. [2020-11-28 03:01:29,897 INFO L274 CegarLoopResult]: For program point L685-2(lines 685 691) no Hoare annotation was computed. [2020-11-28 03:01:29,897 INFO L274 CegarLoopResult]: For program point L685-4(lines 685 691) no Hoare annotation was computed. [2020-11-28 03:01:29,897 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:01:29,898 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-28 03:01:29,898 INFO L274 CegarLoopResult]: For program point L58-1(lines 777 783) no Hoare annotation was computed. [2020-11-28 03:01:29,898 INFO L274 CegarLoopResult]: For program point L721(lines 721 727) no Hoare annotation was computed. [2020-11-28 03:01:29,898 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)))) [2020-11-28 03:01:29,898 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:01:29,899 INFO L274 CegarLoopResult]: For program point L955(lines 955 959) no Hoare annotation was computed. [2020-11-28 03:01:29,899 INFO L274 CegarLoopResult]: For program point L955-2(lines 955 959) no Hoare annotation was computed. [2020-11-28 03:01:29,899 INFO L274 CegarLoopResult]: For program point L955-3(lines 955 959) no Hoare annotation was computed. [2020-11-28 03:01:29,899 INFO L274 CegarLoopResult]: For program point L955-5(lines 955 959) no Hoare annotation was computed. [2020-11-28 03:01:29,899 INFO L274 CegarLoopResult]: For program point L955-6(lines 955 959) no Hoare annotation was computed. [2020-11-28 03:01:29,899 INFO L274 CegarLoopResult]: For program point L955-8(lines 955 959) no Hoare annotation was computed. [2020-11-28 03:01:29,900 INFO L274 CegarLoopResult]: For program point L955-9(lines 955 959) no Hoare annotation was computed. [2020-11-28 03:01:29,900 INFO L274 CegarLoopResult]: For program point L592(lines 592 596) no Hoare annotation was computed. [2020-11-28 03:01:29,900 INFO L274 CegarLoopResult]: For program point L955-11(lines 955 959) no Hoare annotation was computed. [2020-11-28 03:01:29,900 INFO L274 CegarLoopResult]: For program point L955-12(lines 955 959) no Hoare annotation was computed. [2020-11-28 03:01:29,900 INFO L274 CegarLoopResult]: For program point L955-14(lines 955 959) no Hoare annotation was computed. [2020-11-28 03:01:29,900 INFO L274 CegarLoopResult]: For program point L955-15(lines 955 959) no Hoare annotation was computed. [2020-11-28 03:01:29,900 INFO L274 CegarLoopResult]: For program point L955-17(lines 955 959) no Hoare annotation was computed. [2020-11-28 03:01:29,901 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:01:29,901 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:01:29,901 INFO L270 CegarLoopResult]: At program point L759(lines 710 760) the Hoare annotation is: false [2020-11-28 03:01:29,901 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))) [2020-11-28 03:01:29,901 INFO L270 CegarLoopResult]: At program point L660-1(lines 655 663) the Hoare annotation is: false [2020-11-28 03:01:29,902 INFO L270 CegarLoopResult]: At program point L660-2(lines 655 663) the Hoare annotation is: false [2020-11-28 03:01:29,902 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-28 03:01:29,902 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-28 03:01:29,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:01:29 BoogieIcfgContainer [2020-11-28 03:01:29,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:01:29,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:01:29,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:01:29,971 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:01:29,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:04" (3/4) ... [2020-11-28 03:01:29,975 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:01:29,998 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:01:30,000 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:01:30,002 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:01:30,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:01:30,005 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:01:30,007 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:01:30,009 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:01:30,040 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) [2020-11-28 03:01:30,041 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) [2020-11-28 03:01:30,043 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) [2020-11-28 03:01:30,044 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) [2020-11-28 03:01:30,046 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) [2020-11-28 03:01:30,047 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) [2020-11-28 03:01:30,048 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) [2020-11-28 03:01:30,049 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 [2020-11-28 03:01:30,050 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) [2020-11-28 03:01:30,051 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) [2020-11-28 03:01:30,139 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_58d43ea8-ecd7-4a21-9351-ef040d87971c/bin/uautomizer/witness.graphml [2020-11-28 03:01:30,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:01:30,140 INFO L168 Benchmark]: Toolchain (without parser) took 27771.42 ms. Allocated memory was 86.0 MB in the beginning and 369.1 MB in the end (delta: 283.1 MB). Free memory was 54.5 MB in the beginning and 241.0 MB in the end (delta: -186.5 MB). Peak memory consumption was 96.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:30,141 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 86.0 MB. Free memory was 45.2 MB in the beginning and 45.2 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:01:30,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.82 ms. Allocated memory is still 86.0 MB. Free memory was 54.2 MB in the beginning and 53.2 MB in the end (delta: 996.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:30,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.39 ms. Allocated memory is still 86.0 MB. Free memory was 53.2 MB in the beginning and 48.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:30,142 INFO L168 Benchmark]: Boogie Preprocessor took 76.90 ms. Allocated memory is still 86.0 MB. Free memory was 48.9 MB in the beginning and 45.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:30,143 INFO L168 Benchmark]: RCFGBuilder took 1507.46 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 45.9 MB in the beginning and 74.3 MB in the end (delta: -28.5 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:30,143 INFO L168 Benchmark]: TraceAbstraction took 25189.37 ms. Allocated memory was 113.2 MB in the beginning and 369.1 MB in the end (delta: 255.9 MB). Free memory was 74.3 MB in the beginning and 254.6 MB in the end (delta: -180.3 MB). Peak memory consumption was 214.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:30,144 INFO L168 Benchmark]: Witness Printer took 168.32 ms. Allocated memory is still 369.1 MB. Free memory was 254.6 MB in the beginning and 241.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:30,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 86.0 MB. Free memory was 45.2 MB in the beginning and 45.2 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 679.82 ms. Allocated memory is still 86.0 MB. Free memory was 54.2 MB in the beginning and 53.2 MB in the end (delta: 996.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 141.39 ms. Allocated memory is still 86.0 MB. Free memory was 53.2 MB in the beginning and 48.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.90 ms. Allocated memory is still 86.0 MB. Free memory was 48.9 MB in the beginning and 45.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1507.46 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 45.9 MB in the beginning and 74.3 MB in the end (delta: -28.5 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25189.37 ms. Allocated memory was 113.2 MB in the beginning and 369.1 MB in the end (delta: 255.9 MB). Free memory was 74.3 MB in the beginning and 254.6 MB in the end (delta: -180.3 MB). Peak memory consumption was 214.2 MB. Max. memory is 16.1 GB. * Witness Printer took 168.32 ms. Allocated memory is still 369.1 MB. Free memory was 254.6 MB in the beginning and 241.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 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: 6.5s, OverallIterations: 16, TraceHistogramMax: 2, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1875 SDtfs, 2930 SDslu, 3709 SDs, 0 SdLazy, 527 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s 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, 5.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 2059250 FormulaSimplificationTreeSizeReductionInter, 13.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.1s 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...