./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.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_b9321134-897e-44c3-bd63-7f752a7ce174/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/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 6dd4e2379545062b6cfdf03e26feb426fb16a9fa .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:18:24,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:18:24,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:18:24,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:18:24,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:18:24,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:18:24,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:18:24,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:18:24,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:18:24,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:18:24,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:18:24,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:18:24,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:18:24,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:18:24,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:18:24,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:18:24,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:18:24,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:18:24,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:18:24,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:18:24,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:18:25,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:18:25,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:18:25,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:18:25,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:18:25,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:18:25,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:18:25,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:18:25,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:18:25,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:18:25,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:18:25,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:18:25,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:18:25,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:18:25,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:18:25,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:18:25,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:18:25,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:18:25,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:18:25,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:18:25,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:18:25,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:18:25,063 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:18:25,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:18:25,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:18:25,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:18:25,065 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:18:25,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:18:25,066 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:18:25,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:18:25,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:18:25,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:18:25,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:18:25,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:18:25,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:18:25,068 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:18:25,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:18:25,069 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:18:25,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:18:25,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:18:25,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:18:25,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:18:25,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:18:25,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:18:25,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:18:25,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:18:25,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:18:25,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:18:25,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:18:25,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:18:25,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:18:25,073 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_b9321134-897e-44c3-bd63-7f752a7ce174/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4e2379545062b6cfdf03e26feb426fb16a9fa [2020-11-28 03:18:25,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:18:25,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:18:25,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:18:25,353 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:18:25,355 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:18:25,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2020-11-28 03:18:25,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/bin/uautomizer/data/59865b47c/071c1da2ed7c4364ac72b52c5cc70c5d/FLAG4e6c34e2c [2020-11-28 03:18:25,988 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:18:25,989 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2020-11-28 03:18:26,003 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/bin/uautomizer/data/59865b47c/071c1da2ed7c4364ac72b52c5cc70c5d/FLAG4e6c34e2c [2020-11-28 03:18:26,290 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/bin/uautomizer/data/59865b47c/071c1da2ed7c4364ac72b52c5cc70c5d [2020-11-28 03:18:26,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:18:26,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:18:26,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:26,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:18:26,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:18:26,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7547c086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26, skipping insertion in model container [2020-11-28 03:18:26,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:18:26,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:18:26,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:26,673 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:18:26,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:26,799 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:18:26,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26 WrapperNode [2020-11-28 03:18:26,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:26,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:26,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:18:26,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:18:26,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:26,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:18:26,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:18:26,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:18:26,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:18:26,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:18:26,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:18:26,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:18:26,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/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 03:18:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:18:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:18:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:18:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:18:27,906 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:18:27,907 INFO L298 CfgBuilder]: Removed 120 assume(true) statements. [2020-11-28 03:18:27,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:27 BoogieIcfgContainer [2020-11-28 03:18:27,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:18:27,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:18:27,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:18:27,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:18:27,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:18:26" (1/3) ... [2020-11-28 03:18:27,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef8dec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:18:27, skipping insertion in model container [2020-11-28 03:18:27,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26" (2/3) ... [2020-11-28 03:18:27,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef8dec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:18:27, skipping insertion in model container [2020-11-28 03:18:27,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:27" (3/3) ... [2020-11-28 03:18:27,922 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2020-11-28 03:18:27,946 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:18:27,950 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:18:27,962 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:18:27,985 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:18:27,985 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:18:27,985 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:18:27,985 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:18:27,986 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:18:27,986 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:18:27,986 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:18:27,986 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:18:28,001 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2020-11-28 03:18:28,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:18:28,007 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:28,008 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 03:18:28,008 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:28,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:28,013 INFO L82 PathProgramCache]: Analyzing trace with hash -345476046, now seen corresponding path program 1 times [2020-11-28 03:18:28,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:28,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009558615] [2020-11-28 03:18:28,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:28,293 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 03:18:28,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009558615] [2020-11-28 03:18:28,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:28,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:18:28,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358105503] [2020-11-28 03:18:28,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:18:28,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:28,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:18:28,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:18:28,320 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 2 states. [2020-11-28 03:18:28,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:28,357 INFO L93 Difference]: Finished difference Result 174 states and 259 transitions. [2020-11-28 03:18:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:18:28,358 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-11-28 03:18:28,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:28,368 INFO L225 Difference]: With dead ends: 174 [2020-11-28 03:18:28,368 INFO L226 Difference]: Without dead ends: 85 [2020-11-28 03:18:28,371 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 03:18:28,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-11-28 03:18:28,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-11-28 03:18:28,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-11-28 03:18:28,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2020-11-28 03:18:28,413 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2020-11-28 03:18:28,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:28,413 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2020-11-28 03:18:28,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:18:28,414 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2020-11-28 03:18:28,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 03:18:28,415 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:28,415 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] [2020-11-28 03:18:28,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:18:28,416 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:28,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:28,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1460543507, now seen corresponding path program 1 times [2020-11-28 03:18:28,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:28,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936755178] [2020-11-28 03:18:28,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:28,532 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 03:18:28,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936755178] [2020-11-28 03:18:28,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:28,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:18:28,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760890088] [2020-11-28 03:18:28,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:28,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:28,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:28,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:28,536 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2020-11-28 03:18:28,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:28,556 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2020-11-28 03:18:28,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:28,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-28 03:18:28,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:28,559 INFO L225 Difference]: With dead ends: 85 [2020-11-28 03:18:28,561 INFO L226 Difference]: Without dead ends: 40 [2020-11-28 03:18:28,562 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 03:18:28,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-28 03:18:28,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-28 03:18:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-28 03:18:28,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2020-11-28 03:18:28,574 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2020-11-28 03:18:28,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:28,575 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2020-11-28 03:18:28,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:28,576 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2020-11-28 03:18:28,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:18:28,577 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:28,577 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 03:18:28,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:18:28,579 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:28,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:28,579 INFO L82 PathProgramCache]: Analyzing trace with hash 483095041, now seen corresponding path program 1 times [2020-11-28 03:18:28,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:28,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811562859] [2020-11-28 03:18:28,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:28,733 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 03:18:28,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811562859] [2020-11-28 03:18:28,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:28,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:18:28,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083800775] [2020-11-28 03:18:28,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:28,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:28,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:28,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:28,735 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2020-11-28 03:18:28,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:28,760 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2020-11-28 03:18:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:28,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 03:18:28,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:28,762 INFO L225 Difference]: With dead ends: 106 [2020-11-28 03:18:28,762 INFO L226 Difference]: Without dead ends: 73 [2020-11-28 03:18:28,763 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 03:18:28,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-28 03:18:28,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2020-11-28 03:18:28,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-28 03:18:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2020-11-28 03:18:28,774 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2020-11-28 03:18:28,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:28,774 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2020-11-28 03:18:28,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:28,775 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2020-11-28 03:18:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 03:18:28,776 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:28,776 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] [2020-11-28 03:18:28,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:18:28,777 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:28,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:28,777 INFO L82 PathProgramCache]: Analyzing trace with hash -2057617797, now seen corresponding path program 1 times [2020-11-28 03:18:28,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:28,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129106902] [2020-11-28 03:18:28,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:28,857 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 03:18:28,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129106902] [2020-11-28 03:18:28,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:28,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:18:28,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420402111] [2020-11-28 03:18:28,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:28,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:28,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:28,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:28,859 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2020-11-28 03:18:28,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:28,900 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2020-11-28 03:18:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:28,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-28 03:18:28,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:28,902 INFO L225 Difference]: With dead ends: 178 [2020-11-28 03:18:28,903 INFO L226 Difference]: Without dead ends: 116 [2020-11-28 03:18:28,903 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 03:18:28,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-11-28 03:18:28,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2020-11-28 03:18:28,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-11-28 03:18:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2020-11-28 03:18:28,926 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2020-11-28 03:18:28,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:28,927 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2020-11-28 03:18:28,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:28,927 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2020-11-28 03:18:28,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 03:18:28,930 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:28,931 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] [2020-11-28 03:18:28,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:18:28,932 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:28,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:28,932 INFO L82 PathProgramCache]: Analyzing trace with hash 214615626, now seen corresponding path program 1 times [2020-11-28 03:18:28,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:28,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528295354] [2020-11-28 03:18:28,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:29,037 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 03:18:29,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528295354] [2020-11-28 03:18:29,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:29,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:18:29,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472347453] [2020-11-28 03:18:29,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:18:29,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:29,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:18:29,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:29,039 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2020-11-28 03:18:29,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:29,231 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2020-11-28 03:18:29,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:18:29,231 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-11-28 03:18:29,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:29,233 INFO L225 Difference]: With dead ends: 405 [2020-11-28 03:18:29,234 INFO L226 Difference]: Without dead ends: 298 [2020-11-28 03:18:29,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:18:29,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-11-28 03:18:29,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2020-11-28 03:18:29,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-11-28 03:18:29,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2020-11-28 03:18:29,258 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2020-11-28 03:18:29,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:29,259 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2020-11-28 03:18:29,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:18:29,259 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2020-11-28 03:18:29,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:18:29,260 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:29,261 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 03:18:29,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:18:29,261 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:29,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:29,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1855288842, now seen corresponding path program 1 times [2020-11-28 03:18:29,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:29,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310472747] [2020-11-28 03:18:29,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:29,375 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 03:18:29,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310472747] [2020-11-28 03:18:29,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:29,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:18:29,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246249905] [2020-11-28 03:18:29,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:18:29,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:29,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:18:29,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:29,377 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2020-11-28 03:18:29,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:29,436 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2020-11-28 03:18:29,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:18:29,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-28 03:18:29,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:29,438 INFO L225 Difference]: With dead ends: 304 [2020-11-28 03:18:29,439 INFO L226 Difference]: Without dead ends: 199 [2020-11-28 03:18:29,440 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 03:18:29,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-11-28 03:18:29,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2020-11-28 03:18:29,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-11-28 03:18:29,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2020-11-28 03:18:29,463 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2020-11-28 03:18:29,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:29,466 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2020-11-28 03:18:29,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:18:29,470 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2020-11-28 03:18:29,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:18:29,474 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:29,474 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 03:18:29,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:18:29,475 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:29,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:29,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1738613876, now seen corresponding path program 1 times [2020-11-28 03:18:29,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:29,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409847869] [2020-11-28 03:18:29,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:29,538 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 03:18:29,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409847869] [2020-11-28 03:18:29,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:29,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:18:29,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361219851] [2020-11-28 03:18:29,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:18:29,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:29,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:18:29,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:18:29,540 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 4 states. [2020-11-28 03:18:29,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:29,580 INFO L93 Difference]: Finished difference Result 283 states and 392 transitions. [2020-11-28 03:18:29,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:18:29,581 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-28 03:18:29,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:29,583 INFO L225 Difference]: With dead ends: 283 [2020-11-28 03:18:29,583 INFO L226 Difference]: Without dead ends: 172 [2020-11-28 03:18:29,583 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 03:18:29,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-11-28 03:18:29,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 122. [2020-11-28 03:18:29,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-11-28 03:18:29,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2020-11-28 03:18:29,608 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2020-11-28 03:18:29,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:29,609 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2020-11-28 03:18:29,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:18:29,609 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2020-11-28 03:18:29,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:18:29,612 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:29,612 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 03:18:29,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:18:29,613 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:29,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:29,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1969547406, now seen corresponding path program 1 times [2020-11-28 03:18:29,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:29,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13827726] [2020-11-28 03:18:29,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:29,678 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 03:18:29,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13827726] [2020-11-28 03:18:29,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:29,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:18:29,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450448103] [2020-11-28 03:18:29,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:29,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:29,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:29,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:29,698 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2020-11-28 03:18:29,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:29,731 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2020-11-28 03:18:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:29,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-11-28 03:18:29,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:29,733 INFO L225 Difference]: With dead ends: 293 [2020-11-28 03:18:29,733 INFO L226 Difference]: Without dead ends: 178 [2020-11-28 03:18:29,734 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 03:18:29,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-11-28 03:18:29,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-11-28 03:18:29,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-11-28 03:18:29,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2020-11-28 03:18:29,756 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2020-11-28 03:18:29,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:29,756 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2020-11-28 03:18:29,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:29,756 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2020-11-28 03:18:29,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:18:29,759 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:29,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:29,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:18:29,760 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:29,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:29,761 INFO L82 PathProgramCache]: Analyzing trace with hash -430787762, now seen corresponding path program 1 times [2020-11-28 03:18:29,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:29,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692345812] [2020-11-28 03:18:29,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:29,920 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 03:18:29,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692345812] [2020-11-28 03:18:29,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:29,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:18:29,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101374041] [2020-11-28 03:18:29,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:18:29,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:29,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:18:29,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:18:29,922 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 7 states. [2020-11-28 03:18:30,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:30,203 INFO L93 Difference]: Finished difference Result 855 states and 1180 transitions. [2020-11-28 03:18:30,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 03:18:30,203 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-11-28 03:18:30,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:30,208 INFO L225 Difference]: With dead ends: 855 [2020-11-28 03:18:30,208 INFO L226 Difference]: Without dead ends: 740 [2020-11-28 03:18:30,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-11-28 03:18:30,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-11-28 03:18:30,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 310. [2020-11-28 03:18:30,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-11-28 03:18:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 415 transitions. [2020-11-28 03:18:30,243 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 415 transitions. Word has length 34 [2020-11-28 03:18:30,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:30,245 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 415 transitions. [2020-11-28 03:18:30,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:18:30,245 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 415 transitions. [2020-11-28 03:18:30,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 03:18:30,247 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:30,247 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] [2020-11-28 03:18:30,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:18:30,248 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:30,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:30,249 INFO L82 PathProgramCache]: Analyzing trace with hash -696664017, now seen corresponding path program 1 times [2020-11-28 03:18:30,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:30,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119171189] [2020-11-28 03:18:30,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:30,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119171189] [2020-11-28 03:18:30,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64679262] [2020-11-28 03:18:30,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/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 03:18:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:30,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:18:30,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:30,633 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:30,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:18:30,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-11-28 03:18:30,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437044865] [2020-11-28 03:18:30,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-28 03:18:30,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:30,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 03:18:30,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:18:30,635 INFO L87 Difference]: Start difference. First operand 310 states and 415 transitions. Second operand 9 states. [2020-11-28 03:18:30,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:30,982 INFO L93 Difference]: Finished difference Result 621 states and 837 transitions. [2020-11-28 03:18:30,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-28 03:18:30,983 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-11-28 03:18:30,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:30,983 INFO L225 Difference]: With dead ends: 621 [2020-11-28 03:18:30,984 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:18:30,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-28 03:18:30,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:18:30,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:18:30,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:18:30,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:18:30,986 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-11-28 03:18:30,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:30,986 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:18:30,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-28 03:18:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:18:30,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:18:31,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-28 03:18:31,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:18:31,322 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 58 [2020-11-28 03:18:32,085 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 20 [2020-11-28 03:18:32,295 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 21 [2020-11-28 03:18:32,486 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 13 [2020-11-28 03:18:32,695 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2020-11-28 03:18:32,902 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 21 [2020-11-28 03:18:33,047 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 25 [2020-11-28 03:18:33,238 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2020-11-28 03:18:33,552 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 22 [2020-11-28 03:18:33,739 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 22 [2020-11-28 03:18:33,905 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 21 [2020-11-28 03:18:34,059 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 18 [2020-11-28 03:18:34,099 INFO L274 CegarLoopResult]: For program point L927(lines 927 944) no Hoare annotation was computed. [2020-11-28 03:18:34,099 INFO L270 CegarLoopResult]: At program point L927-1(lines 1 947) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 2)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2) (and .cse3 (= ~pumpRunning~0 0) .cse2)))) [2020-11-28 03:18:34,099 INFO L274 CegarLoopResult]: For program point L927-2(lines 927 944) no Hoare annotation was computed. [2020-11-28 03:18:34,099 INFO L270 CegarLoopResult]: At program point L927-3(lines 1 947) the Hoare annotation is: false [2020-11-28 03:18:34,099 INFO L274 CegarLoopResult]: For program point L927-4(lines 927 944) no Hoare annotation was computed. [2020-11-28 03:18:34,099 INFO L270 CegarLoopResult]: At program point L927-5(lines 1 947) the Hoare annotation is: false [2020-11-28 03:18:34,100 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:18:34,100 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:18:34,100 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:18:34,100 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:18:34,100 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:18:34,100 INFO L277 CegarLoopResult]: At program point L152(lines 133 155) the Hoare annotation is: true [2020-11-28 03:18:34,100 INFO L270 CegarLoopResult]: At program point L747(lines 747 753) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-11-28 03:18:34,100 INFO L274 CegarLoopResult]: For program point L714(lines 714 720) no Hoare annotation was computed. [2020-11-28 03:18:34,100 INFO L270 CegarLoopResult]: At program point L747-1(lines 747 753) the Hoare annotation is: false [2020-11-28 03:18:34,101 INFO L274 CegarLoopResult]: For program point L714-1(lines 714 720) no Hoare annotation was computed. [2020-11-28 03:18:34,101 INFO L270 CegarLoopResult]: At program point L747-2(lines 747 753) the Hoare annotation is: false [2020-11-28 03:18:34,101 INFO L274 CegarLoopResult]: For program point L714-2(lines 714 720) no Hoare annotation was computed. [2020-11-28 03:18:34,101 INFO L274 CegarLoopResult]: For program point L599(lines 599 612) no Hoare annotation was computed. [2020-11-28 03:18:34,101 INFO L270 CegarLoopResult]: At program point L880(lines 865 883) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1))) [2020-11-28 03:18:34,101 INFO L270 CegarLoopResult]: At program point L880-1(lines 865 883) the Hoare annotation is: false [2020-11-28 03:18:34,101 INFO L270 CegarLoopResult]: At program point L880-2(lines 865 883) the Hoare annotation is: false [2020-11-28 03:18:34,101 INFO L274 CegarLoopResult]: For program point L649(lines 649 653) no Hoare annotation was computed. [2020-11-28 03:18:34,101 INFO L270 CegarLoopResult]: At program point L617(lines 568 618) the Hoare annotation is: false [2020-11-28 03:18:34,101 INFO L274 CegarLoopResult]: For program point L931(lines 931 941) no Hoare annotation was computed. [2020-11-28 03:18:34,102 INFO L274 CegarLoopResult]: For program point L931-2(lines 931 941) no Hoare annotation was computed. [2020-11-28 03:18:34,102 INFO L274 CegarLoopResult]: For program point L931-4(lines 931 941) no Hoare annotation was computed. [2020-11-28 03:18:34,102 INFO L274 CegarLoopResult]: For program point L932(lines 932 938) no Hoare annotation was computed. [2020-11-28 03:18:34,102 INFO L274 CegarLoopResult]: For program point L932-2(lines 932 938) no Hoare annotation was computed. [2020-11-28 03:18:34,102 INFO L274 CegarLoopResult]: For program point L932-4(lines 932 938) no Hoare annotation was computed. [2020-11-28 03:18:34,102 INFO L270 CegarLoopResult]: At program point L916(lines 740 746) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1))) [2020-11-28 03:18:34,102 INFO L270 CegarLoopResult]: At program point L916-1(lines 740 746) the Hoare annotation is: false [2020-11-28 03:18:34,102 INFO L270 CegarLoopResult]: At program point L916-2(lines 740 746) the Hoare annotation is: false [2020-11-28 03:18:34,102 INFO L270 CegarLoopResult]: At program point L553(lines 548 556) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 03:18:34,102 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:18:34,103 INFO L274 CegarLoopResult]: For program point L570(lines 569 616) no Hoare annotation was computed. [2020-11-28 03:18:34,103 INFO L270 CegarLoopResult]: At program point L719(lines 710 723) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1))) [2020-11-28 03:18:34,103 INFO L270 CegarLoopResult]: At program point L719-1(lines 710 723) the Hoare annotation is: false [2020-11-28 03:18:34,103 INFO L270 CegarLoopResult]: At program point L719-2(lines 710 723) the Hoare annotation is: false [2020-11-28 03:18:34,103 INFO L274 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2020-11-28 03:18:34,103 INFO L274 CegarLoopResult]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-11-28 03:18:34,103 INFO L274 CegarLoopResult]: For program point L637-3(lines 637 641) no Hoare annotation was computed. [2020-11-28 03:18:34,103 INFO L274 CegarLoopResult]: For program point L637-6(lines 637 641) no Hoare annotation was computed. [2020-11-28 03:18:34,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:18:34,104 INFO L274 CegarLoopResult]: For program point L605(lines 605 611) no Hoare annotation was computed. [2020-11-28 03:18:34,104 INFO L270 CegarLoopResult]: At program point L605-1(lines 605 611) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-11-28 03:18:34,104 INFO L274 CegarLoopResult]: For program point L143(lines 143 150) no Hoare annotation was computed. [2020-11-28 03:18:34,104 INFO L277 CegarLoopResult]: At program point L143-1(lines 143 150) the Hoare annotation is: true [2020-11-28 03:18:34,104 INFO L274 CegarLoopResult]: For program point L589(lines 589 595) no Hoare annotation was computed. [2020-11-28 03:18:34,104 INFO L270 CegarLoopResult]: At program point L589-1(lines 589 595) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-11-28 03:18:34,104 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:18:34,104 INFO L274 CegarLoopResult]: For program point L772(lines 772 789) no Hoare annotation was computed. [2020-11-28 03:18:34,104 INFO L274 CegarLoopResult]: For program point L772-1(lines 772 789) no Hoare annotation was computed. [2020-11-28 03:18:34,105 INFO L270 CegarLoopResult]: At program point L706(lines 701 709) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2) (and .cse3 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2)))) [2020-11-28 03:18:34,105 INFO L274 CegarLoopResult]: For program point L772-2(lines 772 789) no Hoare annotation was computed. [2020-11-28 03:18:34,105 INFO L270 CegarLoopResult]: At program point L706-1(lines 701 709) the Hoare annotation is: false [2020-11-28 03:18:34,105 INFO L270 CegarLoopResult]: At program point L706-2(lines 701 709) the Hoare annotation is: false [2020-11-28 03:18:34,105 INFO L274 CegarLoopResult]: For program point L888(lines 888 894) no Hoare annotation was computed. [2020-11-28 03:18:34,105 INFO L270 CegarLoopResult]: At program point L888-1(lines 888 894) the Hoare annotation is: (and (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:18:34,105 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-28 03:18:34,106 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-28 03:18:34,106 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-28 03:18:34,106 INFO L270 CegarLoopResult]: At program point L740(lines 736 758) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-11-28 03:18:34,106 INFO L270 CegarLoopResult]: At program point L740-1(lines 736 758) the Hoare annotation is: false [2020-11-28 03:18:34,106 INFO L270 CegarLoopResult]: At program point L740-2(lines 736 758) the Hoare annotation is: false [2020-11-28 03:18:34,106 INFO L270 CegarLoopResult]: At program point L63-2(lines 63 77) the Hoare annotation is: false [2020-11-28 03:18:34,106 INFO L270 CegarLoopResult]: At program point L906(lines 901 908) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 03:18:34,106 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-28 03:18:34,107 INFO L270 CegarLoopResult]: At program point L114(lines 110 116) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 03:18:34,107 INFO L274 CegarLoopResult]: For program point L874(lines 874 878) no Hoare annotation was computed. [2020-11-28 03:18:34,107 INFO L274 CegarLoopResult]: For program point L874-2(lines 874 878) no Hoare annotation was computed. [2020-11-28 03:18:34,107 INFO L274 CegarLoopResult]: For program point L874-3(lines 874 878) no Hoare annotation was computed. [2020-11-28 03:18:34,107 INFO L274 CegarLoopResult]: For program point L874-5(lines 874 878) no Hoare annotation was computed. [2020-11-28 03:18:34,107 INFO L274 CegarLoopResult]: For program point L874-6(lines 874 878) no Hoare annotation was computed. [2020-11-28 03:18:34,107 INFO L274 CegarLoopResult]: For program point L874-8(lines 874 878) no Hoare annotation was computed. [2020-11-28 03:18:34,107 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:18:34,108 INFO L270 CegarLoopResult]: At program point L825(lines 820 828) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse0 (or (<= ~waterLevel~0 1) .cse4)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse1)))) [2020-11-28 03:18:34,108 INFO L270 CegarLoopResult]: At program point L825-1(lines 820 828) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1))) [2020-11-28 03:18:34,108 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:18:34,108 INFO L270 CegarLoopResult]: At program point L825-2(lines 820 828) the Hoare annotation is: false [2020-11-28 03:18:34,108 INFO L270 CegarLoopResult]: At program point L825-3(lines 820 828) the Hoare annotation is: false [2020-11-28 03:18:34,108 INFO L270 CegarLoopResult]: At program point L825-4(lines 820 828) the Hoare annotation is: false [2020-11-28 03:18:34,108 INFO L270 CegarLoopResult]: At program point L825-5(lines 820 828) the Hoare annotation is: false [2020-11-28 03:18:34,108 INFO L274 CegarLoopResult]: For program point L776(lines 776 784) no Hoare annotation was computed. [2020-11-28 03:18:34,109 INFO L274 CegarLoopResult]: For program point L776-1(lines 776 784) no Hoare annotation was computed. [2020-11-28 03:18:34,109 INFO L274 CegarLoopResult]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2020-11-28 03:18:34,109 INFO L270 CegarLoopResult]: At program point L545(lines 1 947) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 03:18:34,109 INFO L274 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-11-28 03:18:34,109 INFO L274 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-11-28 03:18:34,109 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-28 03:18:34,109 INFO L270 CegarLoopResult]: At program point L579-1(lines 579 585) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-11-28 03:18:34,109 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2020-11-28 03:18:34,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:18:34 BoogieIcfgContainer [2020-11-28 03:18:34,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:18:34,139 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:18:34,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:18:34,139 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:18:34,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:27" (3/4) ... [2020-11-28 03:18:34,143 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:18:34,159 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:18:34,160 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:18:34,160 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:18:34,161 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:18:34,162 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:18:34,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:18:34,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:18:34,186 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && splverifierCounter == 0) && \result == 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 03:18:34,187 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-11-28 03:18:34,187 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-11-28 03:18:34,188 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-11-28 03:18:34,188 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && splverifierCounter == 0) [2020-11-28 03:18:34,189 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) [2020-11-28 03:18:34,189 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 03:18:34,189 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-11-28 03:18:34,190 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 2 == waterLevel) && \result == 2) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) [2020-11-28 03:18:34,191 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 03:18:34,192 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) [2020-11-28 03:18:34,192 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 03:18:34,259 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b9321134-897e-44c3-bd63-7f752a7ce174/bin/uautomizer/witness.graphml [2020-11-28 03:18:34,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:18:34,260 INFO L168 Benchmark]: Toolchain (without parser) took 7965.96 ms. Allocated memory was 86.0 MB in the beginning and 161.5 MB in the end (delta: 75.5 MB). Free memory was 55.1 MB in the beginning and 47.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 81.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:34,261 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 46.3 MB in the beginning and 46.3 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:34,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.18 ms. Allocated memory is still 86.0 MB. Free memory was 54.9 MB in the beginning and 52.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:34,261 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.87 ms. Allocated memory is still 86.0 MB. Free memory was 52.9 MB in the beginning and 49.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:34,262 INFO L168 Benchmark]: Boogie Preprocessor took 59.80 ms. Allocated memory is still 86.0 MB. Free memory was 49.9 MB in the beginning and 47.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:34,262 INFO L168 Benchmark]: RCFGBuilder took 971.16 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 47.4 MB in the beginning and 50.1 MB in the end (delta: -2.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:34,263 INFO L168 Benchmark]: TraceAbstraction took 6228.27 ms. Allocated memory was 111.1 MB in the beginning and 161.5 MB in the end (delta: 50.3 MB). Free memory was 50.1 MB in the beginning and 56.3 MB in the end (delta: -6.2 MB). Peak memory consumption was 56.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:34,263 INFO L168 Benchmark]: Witness Printer took 120.48 ms. Allocated memory is still 161.5 MB. Free memory was 56.3 MB in the beginning and 47.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:34,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 46.3 MB in the beginning and 46.3 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 505.18 ms. Allocated memory is still 86.0 MB. Free memory was 54.9 MB in the beginning and 52.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.87 ms. Allocated memory is still 86.0 MB. Free memory was 52.9 MB in the beginning and 49.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.80 ms. Allocated memory is still 86.0 MB. Free memory was 49.9 MB in the beginning and 47.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 971.16 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 47.4 MB in the beginning and 50.1 MB in the end (delta: -2.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6228.27 ms. Allocated memory was 111.1 MB in the beginning and 161.5 MB in the end (delta: 50.3 MB). Free memory was 50.1 MB in the beginning and 56.3 MB in the end (delta: -6.2 MB). Peak memory consumption was 56.5 MB. Max. memory is 16.1 GB. * Witness Printer took 120.48 ms. Allocated memory is still 161.5 MB. Free memory was 56.3 MB in the beginning and 47.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 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: 736]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && splverifierCounter == 0) && \result == 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 2 == waterLevel) && \result == 2) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((waterLevel <= 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 92 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 847 SDtfs, 1079 SDslu, 1398 SDs, 0 SdLazy, 241 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 753 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 182 NumberOfFragments, 568 HoareAnnotationTreeSize, 39 FomulaSimplifications, 38477 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 39 FomulaSimplificationsInter, 9378 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 27835 SizeOfPredicates, 4 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 14/32 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...