./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC --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 0.2.0-7b2dab5 [2021-10-11 00:29:26,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:29:26,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:29:26,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:29:26,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:29:26,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:29:26,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:29:26,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:29:26,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:29:26,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:29:26,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:29:26,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:29:26,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:29:26,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:29:26,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:29:26,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:29:26,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:29:26,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:29:26,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:29:26,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:29:26,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:29:26,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:29:26,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:29:26,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:29:26,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:29:26,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:29:26,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:29:26,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:29:26,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:29:26,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:29:26,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:29:26,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:29:26,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:29:26,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:29:26,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:29:26,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:29:26,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:29:26,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:29:26,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:29:26,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:29:26,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:29:26,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:29:26,974 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:29:26,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:29:26,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:29:26,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:29:26,977 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:29:26,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:29:26,977 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:29:26,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:29:26,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:29:26,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:29:26,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:29:26,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:29:26,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:29:26,980 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:29:26,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:29:26,981 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:29:26,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:29:26,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:29:26,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:29:26,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:29:26,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:29:26,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:29:26,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:29:26,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:29:26,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:29:26,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:29:26,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:29:26,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:29:26,984 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_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4e2379545062b6cfdf03e26feb426fb16a9fa [2021-10-11 00:29:27,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:29:27,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:29:27,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:29:27,290 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:29:27,293 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:29:27,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2021-10-11 00:29:27,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC/data/63a89bf44/7de7406ff729489babab536eb76864c9/FLAG7fb9015cf [2021-10-11 00:29:28,054 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:29:28,056 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2021-10-11 00:29:28,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC/data/63a89bf44/7de7406ff729489babab536eb76864c9/FLAG7fb9015cf [2021-10-11 00:29:28,290 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC/data/63a89bf44/7de7406ff729489babab536eb76864c9 [2021-10-11 00:29:28,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:29:28,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:29:28,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:28,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:29:28,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:29:28,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:28" (1/1) ... [2021-10-11 00:29:28,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446ee8e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:28, skipping insertion in model container [2021-10-11 00:29:28,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:28" (1/1) ... [2021-10-11 00:29:28,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:29:28,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:29:28,551 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c[1281,1294] [2021-10-11 00:29:28,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:28,746 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:29:28,759 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c[1281,1294] [2021-10-11 00:29:28,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:28,872 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:29:28,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:28 WrapperNode [2021-10-11 00:29:28,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:28,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:28,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:29:28,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:29:28,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:28" (1/1) ... [2021-10-11 00:29:28,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:28" (1/1) ... [2021-10-11 00:29:28,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:28,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:29:28,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:29:28,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:29:28,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:28" (1/1) ... [2021-10-11 00:29:28,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:28" (1/1) ... [2021-10-11 00:29:28,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:28" (1/1) ... [2021-10-11 00:29:28,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:28" (1/1) ... [2021-10-11 00:29:28,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:28" (1/1) ... [2021-10-11 00:29:28,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:28" (1/1) ... [2021-10-11 00:29:28,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:28" (1/1) ... [2021-10-11 00:29:28,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:29:29,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:29:29,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:29:29,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:29:29,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:28" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:29:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:29:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:29:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:29:29,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:29:30,068 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:29:30,069 INFO L299 CfgBuilder]: Removed 114 assume(true) statements. [2021-10-11 00:29:30,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:30 BoogieIcfgContainer [2021-10-11 00:29:30,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:29:30,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:29:30,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:29:30,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:29:30,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:29:28" (1/3) ... [2021-10-11 00:29:30,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18cd190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:30, skipping insertion in model container [2021-10-11 00:29:30,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:28" (2/3) ... [2021-10-11 00:29:30,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18cd190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:30, skipping insertion in model container [2021-10-11 00:29:30,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:30" (3/3) ... [2021-10-11 00:29:30,089 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2021-10-11 00:29:30,110 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:29:30,114 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:29:30,129 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:29:30,173 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:29:30,173 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:29:30,173 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:29:30,175 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:29:30,175 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:29:30,175 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:29:30,176 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:29:30,180 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:29:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2021-10-11 00:29:30,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:29:30,204 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:30,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:30,206 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:30,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:30,213 INFO L82 PathProgramCache]: Analyzing trace with hash -950357280, now seen corresponding path program 1 times [2021-10-11 00:29:30,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:30,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709563585] [2021-10-11 00:29:30,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:30,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:30,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709563585] [2021-10-11 00:29:30,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:30,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:30,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677861845] [2021-10-11 00:29:30,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:29:30,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:30,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:29:30,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:29:30,527 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2021-10-11 00:29:30,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:30,561 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2021-10-11 00:29:30,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:29:30,562 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 00:29:30,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:30,575 INFO L225 Difference]: With dead ends: 171 [2021-10-11 00:29:30,575 INFO L226 Difference]: Without dead ends: 85 [2021-10-11 00:29:30,579 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 [2021-10-11 00:29:30,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-11 00:29:30,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-11 00:29:30,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-10-11 00:29:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2021-10-11 00:29:30,640 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2021-10-11 00:29:30,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:30,641 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2021-10-11 00:29:30,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:29:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2021-10-11 00:29:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 00:29:30,643 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:30,643 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:30,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:29:30,644 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:30,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:30,645 INFO L82 PathProgramCache]: Analyzing trace with hash -552380079, now seen corresponding path program 1 times [2021-10-11 00:29:30,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:30,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708901568] [2021-10-11 00:29:30,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:30,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708901568] [2021-10-11 00:29:30,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:30,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:29:30,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032480764] [2021-10-11 00:29:30,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:30,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:30,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:30,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:30,773 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2021-10-11 00:29:30,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:30,787 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2021-10-11 00:29:30,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:30,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 00:29:30,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:30,789 INFO L225 Difference]: With dead ends: 85 [2021-10-11 00:29:30,789 INFO L226 Difference]: Without dead ends: 40 [2021-10-11 00:29:30,790 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 [2021-10-11 00:29:30,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-11 00:29:30,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-10-11 00:29:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-10-11 00:29:30,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2021-10-11 00:29:30,797 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2021-10-11 00:29:30,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:30,798 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2021-10-11 00:29:30,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:30,798 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2021-10-11 00:29:30,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:29:30,800 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:30,800 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] [2021-10-11 00:29:30,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:29:30,801 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:30,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:30,802 INFO L82 PathProgramCache]: Analyzing trace with hash 483095041, now seen corresponding path program 1 times [2021-10-11 00:29:30,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:30,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54786322] [2021-10-11 00:29:30,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:30,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:30,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54786322] [2021-10-11 00:29:30,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:30,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:30,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848387544] [2021-10-11 00:29:30,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:30,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:30,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:30,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:30,982 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2021-10-11 00:29:31,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:31,016 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2021-10-11 00:29:31,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:31,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:29:31,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:31,024 INFO L225 Difference]: With dead ends: 106 [2021-10-11 00:29:31,024 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 00:29:31,026 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 [2021-10-11 00:29:31,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 00:29:31,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2021-10-11 00:29:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-10-11 00:29:31,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2021-10-11 00:29:31,055 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2021-10-11 00:29:31,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:31,056 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2021-10-11 00:29:31,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:31,056 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2021-10-11 00:29:31,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:29:31,058 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:31,059 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] [2021-10-11 00:29:31,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:29:31,060 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:31,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:31,061 INFO L82 PathProgramCache]: Analyzing trace with hash -2057617797, now seen corresponding path program 1 times [2021-10-11 00:29:31,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:31,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728695873] [2021-10-11 00:29:31,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:31,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728695873] [2021-10-11 00:29:31,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:31,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:31,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988168753] [2021-10-11 00:29:31,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:31,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:31,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:31,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:31,191 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2021-10-11 00:29:31,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:31,262 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2021-10-11 00:29:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:31,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2021-10-11 00:29:31,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:31,265 INFO L225 Difference]: With dead ends: 178 [2021-10-11 00:29:31,266 INFO L226 Difference]: Without dead ends: 116 [2021-10-11 00:29:31,268 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 [2021-10-11 00:29:31,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-10-11 00:29:31,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2021-10-11 00:29:31,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2021-10-11 00:29:31,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2021-10-11 00:29:31,298 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2021-10-11 00:29:31,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:31,299 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2021-10-11 00:29:31,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:31,300 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2021-10-11 00:29:31,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-11 00:29:31,307 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:31,307 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] [2021-10-11 00:29:31,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:29:31,308 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:31,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:31,309 INFO L82 PathProgramCache]: Analyzing trace with hash 214615626, now seen corresponding path program 1 times [2021-10-11 00:29:31,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:31,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071774091] [2021-10-11 00:29:31,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:31,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071774091] [2021-10-11 00:29:31,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:31,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:29:31,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965220462] [2021-10-11 00:29:31,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:29:31,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:31,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:29:31,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:29:31,476 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2021-10-11 00:29:31,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:31,680 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2021-10-11 00:29:31,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:29:31,681 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2021-10-11 00:29:31,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:31,686 INFO L225 Difference]: With dead ends: 405 [2021-10-11 00:29:31,686 INFO L226 Difference]: Without dead ends: 298 [2021-10-11 00:29:31,691 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 [2021-10-11 00:29:31,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-10-11 00:29:31,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2021-10-11 00:29:31,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-10-11 00:29:31,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2021-10-11 00:29:31,725 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2021-10-11 00:29:31,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:31,725 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2021-10-11 00:29:31,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:29:31,726 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2021-10-11 00:29:31,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:29:31,727 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:31,728 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] [2021-10-11 00:29:31,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:29:31,728 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:31,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:31,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1855288842, now seen corresponding path program 1 times [2021-10-11 00:29:31,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:31,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715742777] [2021-10-11 00:29:31,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:31,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715742777] [2021-10-11 00:29:31,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:31,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:29:31,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712002203] [2021-10-11 00:29:31,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:29:31,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:31,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:29:31,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:29:31,809 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2021-10-11 00:29:31,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:31,880 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2021-10-11 00:29:31,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:29:31,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:29:31,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:31,883 INFO L225 Difference]: With dead ends: 304 [2021-10-11 00:29:31,883 INFO L226 Difference]: Without dead ends: 199 [2021-10-11 00:29:31,885 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 [2021-10-11 00:29:31,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-10-11 00:29:31,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2021-10-11 00:29:31,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-10-11 00:29:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2021-10-11 00:29:31,929 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2021-10-11 00:29:31,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:31,929 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2021-10-11 00:29:31,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:29:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2021-10-11 00:29:31,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:29:31,936 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:31,936 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] [2021-10-11 00:29:31,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:29:31,937 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:31,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:31,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1738613876, now seen corresponding path program 1 times [2021-10-11 00:29:31,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:31,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16628164] [2021-10-11 00:29:31,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:32,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16628164] [2021-10-11 00:29:32,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:32,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:29:32,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306216268] [2021-10-11 00:29:32,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:29:32,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:32,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:29:32,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:29:32,032 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 4 states. [2021-10-11 00:29:32,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:32,074 INFO L93 Difference]: Finished difference Result 283 states and 392 transitions. [2021-10-11 00:29:32,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:29:32,074 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-10-11 00:29:32,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:32,076 INFO L225 Difference]: With dead ends: 283 [2021-10-11 00:29:32,076 INFO L226 Difference]: Without dead ends: 172 [2021-10-11 00:29:32,077 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 [2021-10-11 00:29:32,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-11 00:29:32,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 122. [2021-10-11 00:29:32,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2021-10-11 00:29:32,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2021-10-11 00:29:32,091 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2021-10-11 00:29:32,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:32,094 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2021-10-11 00:29:32,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:29:32,095 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2021-10-11 00:29:32,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:29:32,101 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:32,101 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] [2021-10-11 00:29:32,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:29:32,102 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:32,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:32,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1969547406, now seen corresponding path program 1 times [2021-10-11 00:29:32,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:32,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052884772] [2021-10-11 00:29:32,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:32,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052884772] [2021-10-11 00:29:32,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:32,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:32,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576329890] [2021-10-11 00:29:32,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:32,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:32,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:32,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:32,205 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2021-10-11 00:29:32,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:32,242 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2021-10-11 00:29:32,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:32,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 00:29:32,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:32,245 INFO L225 Difference]: With dead ends: 293 [2021-10-11 00:29:32,245 INFO L226 Difference]: Without dead ends: 178 [2021-10-11 00:29:32,246 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 [2021-10-11 00:29:32,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-10-11 00:29:32,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2021-10-11 00:29:32,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2021-10-11 00:29:32,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2021-10-11 00:29:32,289 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2021-10-11 00:29:32,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:32,289 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2021-10-11 00:29:32,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:32,290 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2021-10-11 00:29:32,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:29:32,293 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:32,293 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] [2021-10-11 00:29:32,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:29:32,293 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:32,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:32,294 INFO L82 PathProgramCache]: Analyzing trace with hash -430787762, now seen corresponding path program 1 times [2021-10-11 00:29:32,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:32,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278196206] [2021-10-11 00:29:32,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:32,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:32,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278196206] [2021-10-11 00:29:32,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:32,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:29:32,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937164399] [2021-10-11 00:29:32,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:29:32,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:32,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:29:32,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:29:32,476 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 7 states. [2021-10-11 00:29:32,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:32,756 INFO L93 Difference]: Finished difference Result 855 states and 1180 transitions. [2021-10-11 00:29:32,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:29:32,757 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2021-10-11 00:29:32,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:32,763 INFO L225 Difference]: With dead ends: 855 [2021-10-11 00:29:32,763 INFO L226 Difference]: Without dead ends: 740 [2021-10-11 00:29:32,765 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 [2021-10-11 00:29:32,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-10-11 00:29:32,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 310. [2021-10-11 00:29:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2021-10-11 00:29:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 415 transitions. [2021-10-11 00:29:32,799 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 415 transitions. Word has length 34 [2021-10-11 00:29:32,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:32,799 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 415 transitions. [2021-10-11 00:29:32,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:29:32,800 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 415 transitions. [2021-10-11 00:29:32,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 00:29:32,801 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:32,802 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] [2021-10-11 00:29:32,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:29:32,802 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:32,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:32,803 INFO L82 PathProgramCache]: Analyzing trace with hash -915518735, now seen corresponding path program 1 times [2021-10-11 00:29:32,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:32,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692940579] [2021-10-11 00:29:32,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:32,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692940579] [2021-10-11 00:29:32,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661049739] [2021-10-11 00:29:32,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:29:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:33,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:29:33,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:33,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:29:33,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-10-11 00:29:33,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290437206] [2021-10-11 00:29:33,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-10-11 00:29:33,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:33,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 00:29:33,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:29:33,205 INFO L87 Difference]: Start difference. First operand 310 states and 415 transitions. Second operand 9 states. [2021-10-11 00:29:33,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:33,668 INFO L93 Difference]: Finished difference Result 621 states and 837 transitions. [2021-10-11 00:29:33,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-11 00:29:33,670 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2021-10-11 00:29:33,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:33,670 INFO L225 Difference]: With dead ends: 621 [2021-10-11 00:29:33,670 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:29:33,672 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 [2021-10-11 00:29:33,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:29:33,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:29:33,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:29:33,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:29:33,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-10-11 00:29:33,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:33,673 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:29:33,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-10-11 00:29:33,673 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:29:33,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:29:33,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-11 00:29:33,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:29:34,411 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-10-11 00:29:34,789 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 20 [2021-10-11 00:29:34,994 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 21 [2021-10-11 00:29:35,191 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 13 [2021-10-11 00:29:35,421 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2021-10-11 00:29:35,630 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 21 [2021-10-11 00:29:35,823 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 25 [2021-10-11 00:29:36,105 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2021-10-11 00:29:36,406 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 22 [2021-10-11 00:29:36,626 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 22 [2021-10-11 00:29:36,792 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 21 [2021-10-11 00:29:36,920 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 18 [2021-10-11 00:29:36,964 INFO L262 CegarLoopResult]: For program point L927(lines 927 944) no Hoare annotation was computed. [2021-10-11 00:29:36,965 INFO L258 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)))) [2021-10-11 00:29:36,965 INFO L262 CegarLoopResult]: For program point L927-2(lines 927 944) no Hoare annotation was computed. [2021-10-11 00:29:36,965 INFO L258 CegarLoopResult]: At program point L927-3(lines 1 947) the Hoare annotation is: false [2021-10-11 00:29:36,965 INFO L262 CegarLoopResult]: For program point L927-4(lines 927 944) no Hoare annotation was computed. [2021-10-11 00:29:36,965 INFO L258 CegarLoopResult]: At program point L927-5(lines 1 947) the Hoare annotation is: false [2021-10-11 00:29:36,966 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:29:36,966 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:29:36,966 INFO L265 CegarLoopResult]: At program point L152(lines 133 155) the Hoare annotation is: true [2021-10-11 00:29:36,966 INFO L258 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)))) [2021-10-11 00:29:36,966 INFO L262 CegarLoopResult]: For program point L714(lines 714 720) no Hoare annotation was computed. [2021-10-11 00:29:36,967 INFO L258 CegarLoopResult]: At program point L747-1(lines 747 753) the Hoare annotation is: false [2021-10-11 00:29:36,967 INFO L262 CegarLoopResult]: For program point L714-1(lines 714 720) no Hoare annotation was computed. [2021-10-11 00:29:36,967 INFO L258 CegarLoopResult]: At program point L747-2(lines 747 753) the Hoare annotation is: false [2021-10-11 00:29:36,967 INFO L262 CegarLoopResult]: For program point L714-2(lines 714 720) no Hoare annotation was computed. [2021-10-11 00:29:36,967 INFO L262 CegarLoopResult]: For program point L599(lines 599 612) no Hoare annotation was computed. [2021-10-11 00:29:36,967 INFO L258 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))) [2021-10-11 00:29:36,968 INFO L258 CegarLoopResult]: At program point L880-1(lines 865 883) the Hoare annotation is: false [2021-10-11 00:29:36,968 INFO L258 CegarLoopResult]: At program point L880-2(lines 865 883) the Hoare annotation is: false [2021-10-11 00:29:36,968 INFO L262 CegarLoopResult]: For program point L649(lines 649 653) no Hoare annotation was computed. [2021-10-11 00:29:36,968 INFO L258 CegarLoopResult]: At program point L617(lines 568 618) the Hoare annotation is: false [2021-10-11 00:29:36,968 INFO L262 CegarLoopResult]: For program point L931(lines 931 941) no Hoare annotation was computed. [2021-10-11 00:29:36,968 INFO L262 CegarLoopResult]: For program point L931-2(lines 931 941) no Hoare annotation was computed. [2021-10-11 00:29:36,968 INFO L262 CegarLoopResult]: For program point L931-4(lines 931 941) no Hoare annotation was computed. [2021-10-11 00:29:36,969 INFO L262 CegarLoopResult]: For program point L932(lines 932 938) no Hoare annotation was computed. [2021-10-11 00:29:36,969 INFO L262 CegarLoopResult]: For program point L932-2(lines 932 938) no Hoare annotation was computed. [2021-10-11 00:29:36,969 INFO L262 CegarLoopResult]: For program point L932-4(lines 932 938) no Hoare annotation was computed. [2021-10-11 00:29:36,969 INFO L258 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))) [2021-10-11 00:29:36,969 INFO L258 CegarLoopResult]: At program point L916-1(lines 740 746) the Hoare annotation is: false [2021-10-11 00:29:36,969 INFO L258 CegarLoopResult]: At program point L916-2(lines 740 746) the Hoare annotation is: false [2021-10-11 00:29:36,970 INFO L258 CegarLoopResult]: At program point L553(lines 548 556) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:29:36,970 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:29:36,970 INFO L262 CegarLoopResult]: For program point L570(lines 569 616) no Hoare annotation was computed. [2021-10-11 00:29:36,970 INFO L258 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))) [2021-10-11 00:29:36,970 INFO L258 CegarLoopResult]: At program point L719-1(lines 710 723) the Hoare annotation is: false [2021-10-11 00:29:36,971 INFO L258 CegarLoopResult]: At program point L719-2(lines 710 723) the Hoare annotation is: false [2021-10-11 00:29:36,971 INFO L262 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2021-10-11 00:29:36,971 INFO L262 CegarLoopResult]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-10-11 00:29:36,971 INFO L262 CegarLoopResult]: For program point L637-3(lines 637 641) no Hoare annotation was computed. [2021-10-11 00:29:36,971 INFO L262 CegarLoopResult]: For program point L637-6(lines 637 641) no Hoare annotation was computed. [2021-10-11 00:29:36,971 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:29:36,971 INFO L262 CegarLoopResult]: For program point L605(lines 605 611) no Hoare annotation was computed. [2021-10-11 00:29:36,972 INFO L258 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)))) [2021-10-11 00:29:36,972 INFO L262 CegarLoopResult]: For program point L143(lines 143 150) no Hoare annotation was computed. [2021-10-11 00:29:36,972 INFO L265 CegarLoopResult]: At program point L143-1(lines 143 150) the Hoare annotation is: true [2021-10-11 00:29:36,972 INFO L262 CegarLoopResult]: For program point L589(lines 589 595) no Hoare annotation was computed. [2021-10-11 00:29:36,972 INFO L258 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)))) [2021-10-11 00:29:36,973 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:29:36,973 INFO L262 CegarLoopResult]: For program point L772(lines 772 789) no Hoare annotation was computed. [2021-10-11 00:29:36,973 INFO L262 CegarLoopResult]: For program point L772-1(lines 772 789) no Hoare annotation was computed. [2021-10-11 00:29:36,973 INFO L258 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)))) [2021-10-11 00:29:36,973 INFO L262 CegarLoopResult]: For program point L772-2(lines 772 789) no Hoare annotation was computed. [2021-10-11 00:29:36,973 INFO L258 CegarLoopResult]: At program point L706-1(lines 701 709) the Hoare annotation is: false [2021-10-11 00:29:36,974 INFO L258 CegarLoopResult]: At program point L706-2(lines 701 709) the Hoare annotation is: false [2021-10-11 00:29:36,974 INFO L262 CegarLoopResult]: For program point L888(lines 888 894) no Hoare annotation was computed. [2021-10-11 00:29:36,974 INFO L258 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)) [2021-10-11 00:29:36,974 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 00:29:36,974 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 00:29:36,974 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 00:29:36,975 INFO L258 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))) [2021-10-11 00:29:36,975 INFO L258 CegarLoopResult]: At program point L740-1(lines 736 758) the Hoare annotation is: false [2021-10-11 00:29:36,975 INFO L258 CegarLoopResult]: At program point L740-2(lines 736 758) the Hoare annotation is: false [2021-10-11 00:29:36,975 INFO L258 CegarLoopResult]: At program point L63-2(lines 63 77) the Hoare annotation is: false [2021-10-11 00:29:36,975 INFO L258 CegarLoopResult]: At program point L906(lines 901 908) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:29:36,975 INFO L262 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-11 00:29:36,976 INFO L258 CegarLoopResult]: At program point L114(lines 110 116) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:29:36,976 INFO L262 CegarLoopResult]: For program point L874(lines 874 878) no Hoare annotation was computed. [2021-10-11 00:29:36,976 INFO L262 CegarLoopResult]: For program point L874-2(lines 874 878) no Hoare annotation was computed. [2021-10-11 00:29:36,976 INFO L262 CegarLoopResult]: For program point L874-3(lines 874 878) no Hoare annotation was computed. [2021-10-11 00:29:36,976 INFO L262 CegarLoopResult]: For program point L874-5(lines 874 878) no Hoare annotation was computed. [2021-10-11 00:29:36,976 INFO L262 CegarLoopResult]: For program point L874-6(lines 874 878) no Hoare annotation was computed. [2021-10-11 00:29:36,976 INFO L262 CegarLoopResult]: For program point L874-8(lines 874 878) no Hoare annotation was computed. [2021-10-11 00:29:36,977 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:29:36,977 INFO L258 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)))) [2021-10-11 00:29:36,977 INFO L258 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))) [2021-10-11 00:29:36,977 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:29:36,977 INFO L258 CegarLoopResult]: At program point L825-2(lines 820 828) the Hoare annotation is: false [2021-10-11 00:29:36,978 INFO L258 CegarLoopResult]: At program point L825-3(lines 820 828) the Hoare annotation is: false [2021-10-11 00:29:36,978 INFO L258 CegarLoopResult]: At program point L825-4(lines 820 828) the Hoare annotation is: false [2021-10-11 00:29:36,978 INFO L258 CegarLoopResult]: At program point L825-5(lines 820 828) the Hoare annotation is: false [2021-10-11 00:29:36,978 INFO L262 CegarLoopResult]: For program point L776(lines 776 784) no Hoare annotation was computed. [2021-10-11 00:29:36,978 INFO L262 CegarLoopResult]: For program point L776-1(lines 776 784) no Hoare annotation was computed. [2021-10-11 00:29:36,978 INFO L262 CegarLoopResult]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2021-10-11 00:29:36,978 INFO L258 CegarLoopResult]: At program point L545(lines 1 947) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:29:36,979 INFO L262 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2021-10-11 00:29:36,979 INFO L262 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2021-10-11 00:29:36,979 INFO L262 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-11 00:29:36,979 INFO L258 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)))) [2021-10-11 00:29:36,979 INFO L262 CegarLoopResult]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2021-10-11 00:29:37,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:29:37 BoogieIcfgContainer [2021-10-11 00:29:37,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:29:37,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:29:37,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:29:37,007 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:29:37,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:30" (3/4) ... [2021-10-11 00:29:37,010 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:29:37,028 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:29:37,029 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:29:37,030 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:29:37,031 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:29:37,032 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:29:37,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:29:37,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:29:37,059 WARN L220 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) [2021-10-11 00:29:37,059 WARN L220 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) [2021-10-11 00:29:37,060 WARN L220 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) [2021-10-11 00:29:37,060 WARN L220 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) [2021-10-11 00:29:37,061 WARN L220 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) [2021-10-11 00:29:37,061 WARN L220 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) [2021-10-11 00:29:37,062 WARN L220 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) [2021-10-11 00:29:37,062 WARN L220 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) [2021-10-11 00:29:37,063 WARN L220 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) [2021-10-11 00:29:37,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:29:37,064 WARN L220 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) [2021-10-11 00:29:37,065 WARN L220 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) [2021-10-11 00:29:37,108 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a334c5b-7f34-4659-a3bc-4d38b32354bd/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:29:37,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:29:37,109 INFO L168 Benchmark]: Toolchain (without parser) took 8814.88 ms. Allocated memory was 125.8 MB in the beginning and 182.5 MB in the end (delta: 56.6 MB). Free memory was 94.9 MB in the beginning and 105.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 46.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:37,109 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 46.8 MB in the beginning and 46.8 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:37,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.42 ms. Allocated memory is still 125.8 MB. Free memory was 94.8 MB in the beginning and 92.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:37,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.89 ms. Allocated memory is still 125.8 MB. Free memory was 92.0 MB in the beginning and 89.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:37,111 INFO L168 Benchmark]: Boogie Preprocessor took 55.24 ms. Allocated memory is still 125.8 MB. Free memory was 89.0 MB in the beginning and 86.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:37,111 INFO L168 Benchmark]: RCFGBuilder took 1074.57 ms. Allocated memory is still 125.8 MB. Free memory was 86.8 MB in the beginning and 74.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:37,112 INFO L168 Benchmark]: TraceAbstraction took 6929.48 ms. Allocated memory was 125.8 MB in the beginning and 182.5 MB in the end (delta: 56.6 MB). Free memory was 73.9 MB in the beginning and 112.5 MB in the end (delta: -38.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:37,112 INFO L168 Benchmark]: Witness Printer took 101.84 ms. Allocated memory is still 182.5 MB. Free memory was 112.5 MB in the beginning and 105.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:37,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 46.8 MB in the beginning and 46.8 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 576.42 ms. Allocated memory is still 125.8 MB. Free memory was 94.8 MB in the beginning and 92.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.89 ms. Allocated memory is still 125.8 MB. Free memory was 92.0 MB in the beginning and 89.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.24 ms. Allocated memory is still 125.8 MB. Free memory was 89.0 MB in the beginning and 86.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1074.57 ms. Allocated memory is still 125.8 MB. Free memory was 86.8 MB in the beginning and 74.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6929.48 ms. Allocated memory was 125.8 MB in the beginning and 182.5 MB in the end (delta: 56.6 MB). Free memory was 73.9 MB in the beginning and 112.5 MB in the end (delta: -38.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 16.1 GB. * Witness Printer took 101.84 ms. Allocated memory is still 182.5 MB. Free memory was 112.5 MB in the beginning and 105.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is 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, 89 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 847 SDtfs, 1142 SDslu, 1332 SDs, 0 SdLazy, 231 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 69 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 753 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 182 NumberOfFragments, 568 HoareAnnotationTreeSize, 39 FomulaSimplifications, 38477 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 39 FomulaSimplificationsInter, 9378 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 27835 SizeOfPredicates, 3 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...