./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.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_92ee436a-f751-4607-9932-1e978c1c6967/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee436a-f751-4607-9932-1e978c1c6967/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_92ee436a-f751-4607-9932-1e978c1c6967/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee436a-f751-4607-9932-1e978c1c6967/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee436a-f751-4607-9932-1e978c1c6967/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_92ee436a-f751-4607-9932-1e978c1c6967/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 98aa11458fb4d2fb3b93f200d7f1e58878ef4fd5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:27:54,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:27:54,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:27:54,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:27:54,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:27:54,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:27:54,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:27:54,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:27:54,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:27:54,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:27:54,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:27:54,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:27:54,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:27:54,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:27:54,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:27:54,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:27:54,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:27:54,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:27:54,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:27:54,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:27:54,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:27:54,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:27:54,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:27:54,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:27:54,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:27:54,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:27:54,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:27:54,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:27:54,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:27:54,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:27:54,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:27:54,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:27:54,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:27:54,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:27:54,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:27:54,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:27:54,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:27:54,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:27:54,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:27:54,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:27:54,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:27:54,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee436a-f751-4607-9932-1e978c1c6967/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:27:54,998 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:27:54,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:27:55,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:27:55,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:27:55,001 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:27:55,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:27:55,001 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:27:55,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:27:55,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:27:55,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:27:55,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:27:55,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:27:55,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:27:55,003 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:27:55,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:27:55,004 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:27:55,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:27:55,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:27:55,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:27:55,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:27:55,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:27:55,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:27:55,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:27:55,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:27:55,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:27:55,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:27:55,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:27:55,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:27:55,007 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_92ee436a-f751-4607-9932-1e978c1c6967/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee436a-f751-4607-9932-1e978c1c6967/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98aa11458fb4d2fb3b93f200d7f1e58878ef4fd5 [2021-10-11 00:27:55,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:27:55,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:27:55,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:27:55,290 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:27:55,291 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:27:55,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee436a-f751-4607-9932-1e978c1c6967/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-10-11 00:27:55,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee436a-f751-4607-9932-1e978c1c6967/bin/uautomizer-Z5i5R5N3CC/data/fc17fc619/70d10b47f0874512adffbe80b2614e2a/FLAG6a2a115cb [2021-10-11 00:27:55,896 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:27:55,896 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee436a-f751-4607-9932-1e978c1c6967/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-10-11 00:27:55,912 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee436a-f751-4607-9932-1e978c1c6967/bin/uautomizer-Z5i5R5N3CC/data/fc17fc619/70d10b47f0874512adffbe80b2614e2a/FLAG6a2a115cb [2021-10-11 00:27:56,376 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee436a-f751-4607-9932-1e978c1c6967/bin/uautomizer-Z5i5R5N3CC/data/fc17fc619/70d10b47f0874512adffbe80b2614e2a [2021-10-11 00:27:56,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:27:56,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:27:56,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:56,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:27:56,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:27:56,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:56" (1/1) ... [2021-10-11 00:27:56,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf3cc9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:56, skipping insertion in model container [2021-10-11 00:27:56,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:56" (1/1) ... [2021-10-11 00:27:56,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:27:56,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:27:56,687 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_92ee436a-f751-4607-9932-1e978c1c6967/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[8847,8860] [2021-10-11 00:27:56,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:56,752 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:27:56,798 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_92ee436a-f751-4607-9932-1e978c1c6967/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[8847,8860] [2021-10-11 00:27:56,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:56,866 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:27:56,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:56 WrapperNode [2021-10-11 00:27:56,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:56,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:56,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:27:56,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:27:56,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:56" (1/1) ... [2021-10-11 00:27:56,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:56" (1/1) ... [2021-10-11 00:27:56,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:56,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:27:56,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:27:56,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:27:56,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:56" (1/1) ... [2021-10-11 00:27:56,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:56" (1/1) ... [2021-10-11 00:27:56,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:56" (1/1) ... [2021-10-11 00:27:56,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:56" (1/1) ... [2021-10-11 00:27:56,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:56" (1/1) ... [2021-10-11 00:27:57,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:56" (1/1) ... [2021-10-11 00:27:57,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:56" (1/1) ... [2021-10-11 00:27:57,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:27:57,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:27:57,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:27:57,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:27:57,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:56" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee436a-f751-4607-9932-1e978c1c6967/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 00:27:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:27:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:27:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:27:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:27:58,108 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:27:58,108 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-10-11 00:27:58,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:58 BoogieIcfgContainer [2021-10-11 00:27:58,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:27:58,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:27:58,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:27:58,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:27:58,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:27:56" (1/3) ... [2021-10-11 00:27:58,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662a9589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:58, skipping insertion in model container [2021-10-11 00:27:58,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:56" (2/3) ... [2021-10-11 00:27:58,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662a9589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:58, skipping insertion in model container [2021-10-11 00:27:58,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:58" (3/3) ... [2021-10-11 00:27:58,119 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2021-10-11 00:27:58,134 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:27:58,138 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:27:58,149 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:27:58,175 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:27:58,175 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:27:58,175 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:27:58,176 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:27:58,176 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:27:58,176 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:27:58,176 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:27:58,176 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:27:58,194 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2021-10-11 00:27:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:27:58,200 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:58,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:58,201 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:58,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:58,207 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2021-10-11 00:27:58,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:58,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548007107] [2021-10-11 00:27:58,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:58,453 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 00:27:58,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548007107] [2021-10-11 00:27:58,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:58,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:58,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902552972] [2021-10-11 00:27:58,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:27:58,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:58,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:27:58,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:27:58,474 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2021-10-11 00:27:58,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:58,506 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-11 00:27:58,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:27:58,508 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:27:58,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:58,519 INFO L225 Difference]: With dead ends: 268 [2021-10-11 00:27:58,519 INFO L226 Difference]: Without dead ends: 133 [2021-10-11 00:27:58,523 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 00:27:58,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-11 00:27:58,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-11 00:27:58,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-10-11 00:27:58,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-11 00:27:58,570 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-10-11 00:27:58,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:58,571 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-11 00:27:58,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:27:58,571 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-11 00:27:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:27:58,572 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:58,573 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:58,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:27:58,573 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:58,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:58,574 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2021-10-11 00:27:58,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:58,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265555522] [2021-10-11 00:27:58,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:58,732 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 00:27:58,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265555522] [2021-10-11 00:27:58,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:58,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:58,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114626046] [2021-10-11 00:27:58,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:58,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:58,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:58,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:58,741 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2021-10-11 00:27:58,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:58,766 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-11 00:27:58,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:58,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:27:58,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:58,770 INFO L225 Difference]: With dead ends: 133 [2021-10-11 00:27:58,770 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 00:27:58,771 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 00:27:58,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 00:27:58,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 00:27:58,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 00:27:58,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-11 00:27:58,789 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-10-11 00:27:58,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:58,790 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-11 00:27:58,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:58,790 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-11 00:27:58,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:27:58,791 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:58,791 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] [2021-10-11 00:27:58,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:27:58,792 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:58,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:58,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2021-10-11 00:27:58,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:58,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527209310] [2021-10-11 00:27:58,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:58,887 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 00:27:58,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527209310] [2021-10-11 00:27:58,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:58,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:27:58,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298404281] [2021-10-11 00:27:58,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:27:58,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:58,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:27:58,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:27:58,890 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2021-10-11 00:27:59,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:59,168 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2021-10-11 00:27:59,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:27:59,174 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2021-10-11 00:27:59,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:59,175 INFO L225 Difference]: With dead ends: 176 [2021-10-11 00:27:59,176 INFO L226 Difference]: Without dead ends: 127 [2021-10-11 00:27:59,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:27:59,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-11 00:27:59,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2021-10-11 00:27:59,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2021-10-11 00:27:59,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2021-10-11 00:27:59,195 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2021-10-11 00:27:59,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:59,195 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2021-10-11 00:27:59,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:27:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-10-11 00:27:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:27:59,201 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:59,201 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] [2021-10-11 00:27:59,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:27:59,201 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:59,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:59,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2021-10-11 00:27:59,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:59,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077667958] [2021-10-11 00:27:59,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:59,321 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 00:27:59,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077667958] [2021-10-11 00:27:59,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:59,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:59,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336221716] [2021-10-11 00:27:59,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:59,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:59,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:59,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:59,326 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2021-10-11 00:27:59,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:59,390 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2021-10-11 00:27:59,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:59,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:27:59,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:59,395 INFO L225 Difference]: With dead ends: 163 [2021-10-11 00:27:59,395 INFO L226 Difference]: Without dead ends: 95 [2021-10-11 00:27:59,397 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 00:27:59,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-11 00:27:59,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2021-10-11 00:27:59,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2021-10-11 00:27:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2021-10-11 00:27:59,416 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2021-10-11 00:27:59,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:59,417 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2021-10-11 00:27:59,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2021-10-11 00:27:59,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:27:59,418 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:59,418 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] [2021-10-11 00:27:59,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:27:59,418 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:59,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:59,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2021-10-11 00:27:59,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:59,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065134542] [2021-10-11 00:27:59,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:59,530 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 00:27:59,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065134542] [2021-10-11 00:27:59,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:59,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:27:59,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467390989] [2021-10-11 00:27:59,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:59,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:59,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:59,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:59,534 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 5 states. [2021-10-11 00:27:59,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:59,662 INFO L93 Difference]: Finished difference Result 331 states and 477 transitions. [2021-10-11 00:27:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:27:59,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 00:27:59,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:59,665 INFO L225 Difference]: With dead ends: 331 [2021-10-11 00:27:59,665 INFO L226 Difference]: Without dead ends: 244 [2021-10-11 00:27:59,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:27:59,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-10-11 00:27:59,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 155. [2021-10-11 00:27:59,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2021-10-11 00:27:59,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2021-10-11 00:27:59,711 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 25 [2021-10-11 00:27:59,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:59,712 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-10-11 00:27:59,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2021-10-11 00:27:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:27:59,715 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:59,716 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 00:27:59,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:27:59,716 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:59,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:59,717 INFO L82 PathProgramCache]: Analyzing trace with hash -567410472, now seen corresponding path program 1 times [2021-10-11 00:27:59,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:59,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441029494] [2021-10-11 00:27:59,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:59,813 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 00:27:59,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441029494] [2021-10-11 00:27:59,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:59,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:27:59,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766422354] [2021-10-11 00:27:59,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:59,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:59,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:59,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:59,818 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 5 states. [2021-10-11 00:27:59,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:59,943 INFO L93 Difference]: Finished difference Result 327 states and 462 transitions. [2021-10-11 00:27:59,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:27:59,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 00:27:59,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:59,946 INFO L225 Difference]: With dead ends: 327 [2021-10-11 00:27:59,947 INFO L226 Difference]: Without dead ends: 325 [2021-10-11 00:27:59,948 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 00:27:59,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-10-11 00:27:59,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 155. [2021-10-11 00:27:59,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2021-10-11 00:27:59,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 213 transitions. [2021-10-11 00:27:59,978 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 213 transitions. Word has length 26 [2021-10-11 00:27:59,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:59,982 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 213 transitions. [2021-10-11 00:27:59,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:59,983 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions. [2021-10-11 00:27:59,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:27:59,990 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:59,990 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 00:27:59,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:27:59,991 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:59,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:59,993 INFO L82 PathProgramCache]: Analyzing trace with hash -474783860, now seen corresponding path program 1 times [2021-10-11 00:27:59,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:59,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240783202] [2021-10-11 00:27:59,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:00,083 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 00:28:00,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240783202] [2021-10-11 00:28:00,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:00,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:28:00,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535065483] [2021-10-11 00:28:00,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:28:00,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:00,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:28:00,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:28:00,086 INFO L87 Difference]: Start difference. First operand 155 states and 213 transitions. Second operand 4 states. [2021-10-11 00:28:00,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:00,210 INFO L93 Difference]: Finished difference Result 320 states and 447 transitions. [2021-10-11 00:28:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:28:00,210 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-10-11 00:28:00,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:00,212 INFO L225 Difference]: With dead ends: 320 [2021-10-11 00:28:00,212 INFO L226 Difference]: Without dead ends: 233 [2021-10-11 00:28:00,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:28:00,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-10-11 00:28:00,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2021-10-11 00:28:00,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2021-10-11 00:28:00,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 316 transitions. [2021-10-11 00:28:00,232 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 316 transitions. Word has length 34 [2021-10-11 00:28:00,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:00,232 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 316 transitions. [2021-10-11 00:28:00,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:28:00,232 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 316 transitions. [2021-10-11 00:28:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:28:00,233 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:00,233 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 00:28:00,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:28:00,234 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:00,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:00,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1754647538, now seen corresponding path program 1 times [2021-10-11 00:28:00,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:00,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55986835] [2021-10-11 00:28:00,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:00,275 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 00:28:00,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55986835] [2021-10-11 00:28:00,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:00,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:28:00,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113931373] [2021-10-11 00:28:00,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:28:00,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:00,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:28:00,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:28:00,278 INFO L87 Difference]: Start difference. First operand 230 states and 316 transitions. Second operand 4 states. [2021-10-11 00:28:00,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:00,349 INFO L93 Difference]: Finished difference Result 679 states and 946 transitions. [2021-10-11 00:28:00,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:28:00,350 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-10-11 00:28:00,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:00,353 INFO L225 Difference]: With dead ends: 679 [2021-10-11 00:28:00,354 INFO L226 Difference]: Without dead ends: 516 [2021-10-11 00:28:00,355 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 00:28:00,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2021-10-11 00:28:00,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 230. [2021-10-11 00:28:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2021-10-11 00:28:00,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 314 transitions. [2021-10-11 00:28:00,378 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 314 transitions. Word has length 34 [2021-10-11 00:28:00,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:00,379 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 314 transitions. [2021-10-11 00:28:00,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:28:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 314 transitions. [2021-10-11 00:28:00,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:28:00,380 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:00,380 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 00:28:00,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:28:00,380 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:00,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:00,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1953513744, now seen corresponding path program 1 times [2021-10-11 00:28:00,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:00,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322202951] [2021-10-11 00:28:00,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:00,441 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 00:28:00,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322202951] [2021-10-11 00:28:00,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:00,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:28:00,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867699967] [2021-10-11 00:28:00,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:28:00,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:00,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:28:00,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:00,443 INFO L87 Difference]: Start difference. First operand 230 states and 314 transitions. Second operand 5 states. [2021-10-11 00:28:00,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:00,646 INFO L93 Difference]: Finished difference Result 505 states and 699 transitions. [2021-10-11 00:28:00,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:28:00,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 00:28:00,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:00,649 INFO L225 Difference]: With dead ends: 505 [2021-10-11 00:28:00,649 INFO L226 Difference]: Without dead ends: 342 [2021-10-11 00:28:00,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:28:00,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-10-11 00:28:00,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 256. [2021-10-11 00:28:00,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2021-10-11 00:28:00,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 352 transitions. [2021-10-11 00:28:00,680 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 352 transitions. Word has length 34 [2021-10-11 00:28:00,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:00,680 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 352 transitions. [2021-10-11 00:28:00,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:28:00,681 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 352 transitions. [2021-10-11 00:28:00,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 00:28:00,684 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:00,684 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:00,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:28:00,685 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:00,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:00,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1169821653, now seen corresponding path program 1 times [2021-10-11 00:28:00,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:00,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216327595] [2021-10-11 00:28:00,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:28:00,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216327595] [2021-10-11 00:28:00,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:00,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:28:00,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448530971] [2021-10-11 00:28:00,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:28:00,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:00,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:28:00,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:00,797 INFO L87 Difference]: Start difference. First operand 256 states and 352 transitions. Second operand 5 states. [2021-10-11 00:28:00,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:00,900 INFO L93 Difference]: Finished difference Result 778 states and 1068 transitions. [2021-10-11 00:28:00,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:28:00,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-10-11 00:28:00,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:00,905 INFO L225 Difference]: With dead ends: 778 [2021-10-11 00:28:00,906 INFO L226 Difference]: Without dead ends: 528 [2021-10-11 00:28:00,906 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 00:28:00,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-10-11 00:28:00,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 265. [2021-10-11 00:28:00,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2021-10-11 00:28:00,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 361 transitions. [2021-10-11 00:28:00,937 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 361 transitions. Word has length 54 [2021-10-11 00:28:00,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:00,938 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 361 transitions. [2021-10-11 00:28:00,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:28:00,938 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 361 transitions. [2021-10-11 00:28:00,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 00:28:00,939 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:00,939 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:00,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:28:00,939 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:00,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:00,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1074161645, now seen corresponding path program 1 times [2021-10-11 00:28:00,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:00,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73591719] [2021-10-11 00:28:00,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:28:01,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73591719] [2021-10-11 00:28:01,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:01,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:28:01,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008384348] [2021-10-11 00:28:01,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:28:01,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:01,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:28:01,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:28:01,029 INFO L87 Difference]: Start difference. First operand 265 states and 361 transitions. Second operand 4 states. [2021-10-11 00:28:01,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:01,107 INFO L93 Difference]: Finished difference Result 609 states and 830 transitions. [2021-10-11 00:28:01,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:28:01,108 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2021-10-11 00:28:01,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:01,110 INFO L225 Difference]: With dead ends: 609 [2021-10-11 00:28:01,110 INFO L226 Difference]: Without dead ends: 350 [2021-10-11 00:28:01,111 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 00:28:01,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-10-11 00:28:01,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 224. [2021-10-11 00:28:01,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2021-10-11 00:28:01,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 299 transitions. [2021-10-11 00:28:01,138 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 299 transitions. Word has length 54 [2021-10-11 00:28:01,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:01,138 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 299 transitions. [2021-10-11 00:28:01,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:28:01,138 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 299 transitions. [2021-10-11 00:28:01,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-11 00:28:01,139 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:01,140 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:01,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:28:01,140 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:01,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:01,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1418553649, now seen corresponding path program 1 times [2021-10-11 00:28:01,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:01,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817132441] [2021-10-11 00:28:01,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:01,229 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:01,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817132441] [2021-10-11 00:28:01,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130100945] [2021-10-11 00:28:01,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee436a-f751-4607-9932-1e978c1c6967/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 00:28:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:01,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 00:28:01,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:28:01,564 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:01,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:28:01,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-11 00:28:01,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525016645] [2021-10-11 00:28:01,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:28:01,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:01,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:28:01,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:28:01,568 INFO L87 Difference]: Start difference. First operand 224 states and 299 transitions. Second operand 6 states. [2021-10-11 00:28:01,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:01,872 INFO L93 Difference]: Finished difference Result 636 states and 864 transitions. [2021-10-11 00:28:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:28:01,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2021-10-11 00:28:01,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:01,876 INFO L225 Difference]: With dead ends: 636 [2021-10-11 00:28:01,876 INFO L226 Difference]: Without dead ends: 466 [2021-10-11 00:28:01,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:28:01,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-10-11 00:28:01,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 272. [2021-10-11 00:28:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2021-10-11 00:28:01,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 363 transitions. [2021-10-11 00:28:01,914 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 363 transitions. Word has length 55 [2021-10-11 00:28:01,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:01,915 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 363 transitions. [2021-10-11 00:28:01,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:28:01,915 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 363 transitions. [2021-10-11 00:28:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-11 00:28:01,916 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:01,917 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-11 00:28:02,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-11 00:28:02,144 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:02,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:02,145 INFO L82 PathProgramCache]: Analyzing trace with hash 242065008, now seen corresponding path program 2 times [2021-10-11 00:28:02,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:02,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207070322] [2021-10-11 00:28:02,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:28:02,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207070322] [2021-10-11 00:28:02,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:02,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:28:02,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945059781] [2021-10-11 00:28:02,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:28:02,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:02,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:28:02,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:02,308 INFO L87 Difference]: Start difference. First operand 272 states and 363 transitions. Second operand 5 states. [2021-10-11 00:28:02,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:02,621 INFO L93 Difference]: Finished difference Result 809 states and 1095 transitions. [2021-10-11 00:28:02,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:28:02,622 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-10-11 00:28:02,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:02,625 INFO L225 Difference]: With dead ends: 809 [2021-10-11 00:28:02,626 INFO L226 Difference]: Without dead ends: 584 [2021-10-11 00:28:02,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:28:02,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2021-10-11 00:28:02,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 376. [2021-10-11 00:28:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2021-10-11 00:28:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 501 transitions. [2021-10-11 00:28:02,677 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 501 transitions. Word has length 76 [2021-10-11 00:28:02,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:02,678 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 501 transitions. [2021-10-11 00:28:02,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:28:02,678 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 501 transitions. [2021-10-11 00:28:02,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-11 00:28:02,679 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:02,679 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-11 00:28:02,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:28:02,680 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:02,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:02,680 INFO L82 PathProgramCache]: Analyzing trace with hash 516824622, now seen corresponding path program 1 times [2021-10-11 00:28:02,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:02,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818740843] [2021-10-11 00:28:02,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:02,781 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 00:28:02,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818740843] [2021-10-11 00:28:02,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:02,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:28:02,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631008597] [2021-10-11 00:28:02,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:28:02,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:02,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:28:02,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:28:02,784 INFO L87 Difference]: Start difference. First operand 376 states and 501 transitions. Second operand 7 states. [2021-10-11 00:28:02,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:02,985 INFO L93 Difference]: Finished difference Result 780 states and 1040 transitions. [2021-10-11 00:28:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:28:02,985 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2021-10-11 00:28:02,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:02,987 INFO L225 Difference]: With dead ends: 780 [2021-10-11 00:28:02,987 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:28:02,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 00:28:02,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:28:02,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:28:02,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:28:02,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:28:02,989 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-10-11 00:28:02,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:02,989 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:02,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:28:02,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:28:02,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:28:02,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-11 00:28:02,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:28:03,261 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 168 [2021-10-11 00:28:03,673 WARN L197 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 184 [2021-10-11 00:28:04,217 WARN L197 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 186 [2021-10-11 00:28:04,467 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 152 [2021-10-11 00:28:04,717 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 102 [2021-10-11 00:28:05,105 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 186 [2021-10-11 00:28:05,418 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 169 [2021-10-11 00:28:05,757 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 181 [2021-10-11 00:28:06,510 WARN L197 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 38 [2021-10-11 00:28:07,331 WARN L197 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 26 [2021-10-11 00:28:07,595 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2021-10-11 00:28:07,827 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2021-10-11 00:28:07,965 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 26 [2021-10-11 00:28:08,786 WARN L197 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 32 [2021-10-11 00:28:09,261 WARN L197 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2021-10-11 00:28:09,515 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 20 [2021-10-11 00:28:10,244 WARN L197 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 32 [2021-10-11 00:28:10,869 WARN L197 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 31 [2021-10-11 00:28:11,539 WARN L197 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2021-10-11 00:28:11,542 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2021-10-11 00:28:11,542 INFO L258 CegarLoopResult]: At program point L399(lines 384 402) the Hoare annotation is: (and (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 0)) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:28:11,542 INFO L258 CegarLoopResult]: At program point L399-1(lines 384 402) the Hoare annotation is: false [2021-10-11 00:28:11,542 INFO L258 CegarLoopResult]: At program point L399-2(lines 384 402) the Hoare annotation is: false [2021-10-11 00:28:11,542 INFO L262 CegarLoopResult]: For program point L598(lines 598 604) no Hoare annotation was computed. [2021-10-11 00:28:11,542 INFO L262 CegarLoopResult]: For program point L598-1(lines 598 604) no Hoare annotation was computed. [2021-10-11 00:28:11,543 INFO L262 CegarLoopResult]: For program point L598-2(lines 598 604) no Hoare annotation was computed. [2021-10-11 00:28:11,543 INFO L262 CegarLoopResult]: For program point L598-3(lines 598 604) no Hoare annotation was computed. [2021-10-11 00:28:11,543 INFO L262 CegarLoopResult]: For program point L598-4(lines 598 604) no Hoare annotation was computed. [2021-10-11 00:28:11,543 INFO L262 CegarLoopResult]: For program point L598-5(lines 598 604) no Hoare annotation was computed. [2021-10-11 00:28:11,543 INFO L262 CegarLoopResult]: For program point L533(lines 533 537) no Hoare annotation was computed. [2021-10-11 00:28:11,543 INFO L262 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2021-10-11 00:28:11,543 INFO L262 CegarLoopResult]: For program point L434-1(lines 196 202) no Hoare annotation was computed. [2021-10-11 00:28:11,543 INFO L258 CegarLoopResult]: At program point L203(lines 203 209) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) .cse0 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4))) [2021-10-11 00:28:11,543 INFO L258 CegarLoopResult]: At program point L203-1(lines 203 209) the Hoare annotation is: false [2021-10-11 00:28:11,543 INFO L258 CegarLoopResult]: At program point L203-2(lines 203 209) the Hoare annotation is: false [2021-10-11 00:28:11,544 INFO L262 CegarLoopResult]: For program point L501(lines 501 508) no Hoare annotation was computed. [2021-10-11 00:28:11,544 INFO L265 CegarLoopResult]: At program point L501-1(lines 501 508) the Hoare annotation is: true [2021-10-11 00:28:11,544 INFO L258 CegarLoopResult]: At program point L172(lines 123 173) the Hoare annotation is: false [2021-10-11 00:28:11,544 INFO L258 CegarLoopResult]: At program point L603(lines 594 607) the Hoare annotation is: false [2021-10-11 00:28:11,544 INFO L258 CegarLoopResult]: At program point L603-1(lines 594 607) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4))) [2021-10-11 00:28:11,544 INFO L258 CegarLoopResult]: At program point L603-2(lines 594 607) the Hoare annotation is: false [2021-10-11 00:28:11,545 INFO L258 CegarLoopResult]: At program point L603-3(lines 594 607) the Hoare annotation is: false [2021-10-11 00:28:11,545 INFO L258 CegarLoopResult]: At program point L603-4(lines 594 607) the Hoare annotation is: false [2021-10-11 00:28:11,545 INFO L258 CegarLoopResult]: At program point L603-5(lines 594 607) the Hoare annotation is: false [2021-10-11 00:28:11,545 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:28:11,545 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2021-10-11 00:28:11,545 INFO L262 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2021-10-11 00:28:11,546 INFO L258 CegarLoopResult]: At program point L407-1(lines 407 413) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1 .cse3))) [2021-10-11 00:28:11,546 INFO L262 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2021-10-11 00:28:11,546 INFO L262 CegarLoopResult]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2021-10-11 00:28:11,546 INFO L262 CegarLoopResult]: For program point L374-3(lines 374 378) no Hoare annotation was computed. [2021-10-11 00:28:11,546 INFO L262 CegarLoopResult]: For program point L374-5(lines 374 378) no Hoare annotation was computed. [2021-10-11 00:28:11,546 INFO L262 CegarLoopResult]: For program point L374-6(lines 374 378) no Hoare annotation was computed. [2021-10-11 00:28:11,546 INFO L262 CegarLoopResult]: For program point L374-8(lines 374 378) no Hoare annotation was computed. [2021-10-11 00:28:11,546 INFO L262 CegarLoopResult]: For program point L374-9(lines 374 378) no Hoare annotation was computed. [2021-10-11 00:28:11,547 INFO L262 CegarLoopResult]: For program point L374-11(lines 374 378) no Hoare annotation was computed. [2021-10-11 00:28:11,547 INFO L262 CegarLoopResult]: For program point L374-12(lines 374 378) no Hoare annotation was computed. [2021-10-11 00:28:11,547 INFO L262 CegarLoopResult]: For program point L374-14(lines 374 378) no Hoare annotation was computed. [2021-10-11 00:28:11,547 INFO L262 CegarLoopResult]: For program point L374-15(lines 374 378) no Hoare annotation was computed. [2021-10-11 00:28:11,547 INFO L262 CegarLoopResult]: For program point L374-17(lines 374 378) no Hoare annotation was computed. [2021-10-11 00:28:11,547 INFO L262 CegarLoopResult]: For program point L144(lines 144 150) no Hoare annotation was computed. [2021-10-11 00:28:11,547 INFO L258 CegarLoopResult]: At program point L144-1(lines 144 150) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse3 .cse2 .cse4) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) .cse1 .cse2 .cse6 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse4) (and .cse5 .cse1 .cse2 .cse6 .cse3 .cse4))) [2021-10-11 00:28:11,547 INFO L265 CegarLoopResult]: At program point L510(lines 491 513) the Hoare annotation is: true [2021-10-11 00:28:11,548 INFO L258 CegarLoopResult]: At program point L478(lines 474 480) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:28:11,548 INFO L262 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2021-10-11 00:28:11,548 INFO L258 CegarLoopResult]: At program point L380(lines 365 383) the Hoare annotation is: false [2021-10-11 00:28:11,548 INFO L258 CegarLoopResult]: At program point L380-1(lines 365 383) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~5 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) .cse3 .cse4))) [2021-10-11 00:28:11,548 INFO L258 CegarLoopResult]: At program point L380-2(lines 365 383) the Hoare annotation is: false [2021-10-11 00:28:11,548 INFO L258 CegarLoopResult]: At program point L380-3(lines 365 383) the Hoare annotation is: false [2021-10-11 00:28:11,548 INFO L258 CegarLoopResult]: At program point L380-4(lines 365 383) the Hoare annotation is: false [2021-10-11 00:28:11,548 INFO L258 CegarLoopResult]: At program point L380-5(lines 365 383) the Hoare annotation is: false [2021-10-11 00:28:11,548 INFO L258 CegarLoopResult]: At program point L613(lines 608 616) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:28:11,549 INFO L258 CegarLoopResult]: At program point L613-1(lines 608 616) the Hoare annotation is: false [2021-10-11 00:28:11,549 INFO L258 CegarLoopResult]: At program point L613-2(lines 608 616) the Hoare annotation is: false [2021-10-11 00:28:11,549 INFO L258 CegarLoopResult]: At program point L316(lines 309 319) the Hoare annotation is: false [2021-10-11 00:28:11,549 INFO L258 CegarLoopResult]: At program point L316-1(lines 309 319) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:28:11,549 INFO L258 CegarLoopResult]: At program point L316-2(lines 309 319) the Hoare annotation is: false [2021-10-11 00:28:11,549 INFO L258 CegarLoopResult]: At program point L316-3(lines 309 319) the Hoare annotation is: false [2021-10-11 00:28:11,549 INFO L258 CegarLoopResult]: At program point L316-4(lines 309 319) the Hoare annotation is: false [2021-10-11 00:28:11,550 INFO L258 CegarLoopResult]: At program point L316-5(lines 309 319) the Hoare annotation is: false [2021-10-11 00:28:11,550 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:28:11,550 INFO L262 CegarLoopResult]: For program point L154(lines 154 167) no Hoare annotation was computed. [2021-10-11 00:28:11,550 INFO L262 CegarLoopResult]: For program point L254(lines 254 271) no Hoare annotation was computed. [2021-10-11 00:28:11,550 INFO L262 CegarLoopResult]: For program point L254-1(lines 254 271) no Hoare annotation was computed. [2021-10-11 00:28:11,550 INFO L262 CegarLoopResult]: For program point L254-2(lines 254 271) no Hoare annotation was computed. [2021-10-11 00:28:11,550 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:28:11,550 INFO L262 CegarLoopResult]: For program point L91(lines 91 104) no Hoare annotation was computed. [2021-10-11 00:28:11,551 INFO L258 CegarLoopResult]: At program point L91-1(lines 1 991) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and (= ~waterLevel~0 1) .cse4 .cse0 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) .cse4 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) .cse2 .cse3))) [2021-10-11 00:28:11,551 INFO L262 CegarLoopResult]: For program point L91-2(lines 91 104) no Hoare annotation was computed. [2021-10-11 00:28:11,551 INFO L258 CegarLoopResult]: At program point L91-3(lines 1 991) the Hoare annotation is: false [2021-10-11 00:28:11,551 INFO L262 CegarLoopResult]: For program point L91-4(lines 91 104) no Hoare annotation was computed. [2021-10-11 00:28:11,551 INFO L258 CegarLoopResult]: At program point L91-5(lines 1 991) the Hoare annotation is: false [2021-10-11 00:28:11,551 INFO L262 CegarLoopResult]: For program point L521(lines 521 525) no Hoare annotation was computed. [2021-10-11 00:28:11,552 INFO L262 CegarLoopResult]: For program point L521-3(lines 521 525) no Hoare annotation was computed. [2021-10-11 00:28:11,552 INFO L262 CegarLoopResult]: For program point L521-6(lines 521 525) no Hoare annotation was computed. [2021-10-11 00:28:11,552 INFO L262 CegarLoopResult]: For program point L125(lines 124 171) no Hoare annotation was computed. [2021-10-11 00:28:11,552 INFO L262 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2021-10-11 00:28:11,552 INFO L262 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2021-10-11 00:28:11,552 INFO L262 CegarLoopResult]: For program point L291-2(lines 291 297) no Hoare annotation was computed. [2021-10-11 00:28:11,552 INFO L262 CegarLoopResult]: For program point L258-1(lines 258 266) no Hoare annotation was computed. [2021-10-11 00:28:11,553 INFO L262 CegarLoopResult]: For program point L258-2(lines 258 266) no Hoare annotation was computed. [2021-10-11 00:28:11,553 INFO L262 CegarLoopResult]: For program point L291-4(lines 291 297) no Hoare annotation was computed. [2021-10-11 00:28:11,553 INFO L262 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-10-11 00:28:11,553 INFO L262 CegarLoopResult]: For program point L291-6(lines 291 297) no Hoare annotation was computed. [2021-10-11 00:28:11,553 INFO L262 CegarLoopResult]: For program point L291-8(lines 291 297) no Hoare annotation was computed. [2021-10-11 00:28:11,553 INFO L262 CegarLoopResult]: For program point L291-10(lines 291 297) no Hoare annotation was computed. [2021-10-11 00:28:11,553 INFO L262 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2021-10-11 00:28:11,553 INFO L262 CegarLoopResult]: For program point L622-1(line 622) no Hoare annotation was computed. [2021-10-11 00:28:11,554 INFO L262 CegarLoopResult]: For program point L622-2(line 622) no Hoare annotation was computed. [2021-10-11 00:28:11,554 INFO L258 CegarLoopResult]: At program point L325(lines 320 328) the Hoare annotation is: false [2021-10-11 00:28:11,554 INFO L258 CegarLoopResult]: At program point L325-1(lines 320 328) the Hoare annotation is: false [2021-10-11 00:28:11,554 INFO L258 CegarLoopResult]: At program point L325-2(lines 320 328) the Hoare annotation is: false [2021-10-11 00:28:11,554 INFO L262 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-10-11 00:28:11,554 INFO L258 CegarLoopResult]: At program point L160-1(lines 196 202) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (not (= 0 ~systemActive~0)) .cse0 .cse2 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4))) [2021-10-11 00:28:11,554 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:28:11,555 INFO L258 CegarLoopResult]: At program point L590(lines 585 593) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 00:28:11,555 INFO L258 CegarLoopResult]: At program point L590-1(lines 585 593) the Hoare annotation is: false [2021-10-11 00:28:11,555 INFO L258 CegarLoopResult]: At program point L590-2(lines 585 593) the Hoare annotation is: false [2021-10-11 00:28:11,555 INFO L262 CegarLoopResult]: For program point L95(lines 95 101) no Hoare annotation was computed. [2021-10-11 00:28:11,555 INFO L262 CegarLoopResult]: For program point L95-2(lines 95 101) no Hoare annotation was computed. [2021-10-11 00:28:11,555 INFO L262 CegarLoopResult]: For program point L95-4(lines 95 101) no Hoare annotation was computed. [2021-10-11 00:28:11,556 INFO L258 CegarLoopResult]: At program point L558(lines 553 561) the Hoare annotation is: false [2021-10-11 00:28:11,556 INFO L258 CegarLoopResult]: At program point L558-1(lines 553 561) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:28:11,556 INFO L258 CegarLoopResult]: At program point L558-2(lines 553 561) the Hoare annotation is: false [2021-10-11 00:28:11,556 INFO L258 CegarLoopResult]: At program point L558-3(lines 553 561) the Hoare annotation is: false [2021-10-11 00:28:11,556 INFO L258 CegarLoopResult]: At program point L558-4(lines 553 561) the Hoare annotation is: false [2021-10-11 00:28:11,556 INFO L262 CegarLoopResult]: For program point L393(lines 393 397) no Hoare annotation was computed. [2021-10-11 00:28:11,556 INFO L258 CegarLoopResult]: At program point L558-5(lines 553 561) the Hoare annotation is: false [2021-10-11 00:28:11,557 INFO L262 CegarLoopResult]: For program point L393-2(lines 393 397) no Hoare annotation was computed. [2021-10-11 00:28:11,557 INFO L262 CegarLoopResult]: For program point L393-3(lines 393 397) no Hoare annotation was computed. [2021-10-11 00:28:11,557 INFO L262 CegarLoopResult]: For program point L228(lines 228 245) no Hoare annotation was computed. [2021-10-11 00:28:11,557 INFO L262 CegarLoopResult]: For program point L393-5(lines 393 397) no Hoare annotation was computed. [2021-10-11 00:28:11,557 INFO L262 CegarLoopResult]: For program point L228-1(lines 228 245) no Hoare annotation was computed. [2021-10-11 00:28:11,557 INFO L262 CegarLoopResult]: For program point L393-6(lines 393 397) no Hoare annotation was computed. [2021-10-11 00:28:11,557 INFO L262 CegarLoopResult]: For program point L228-2(lines 228 245) no Hoare annotation was computed. [2021-10-11 00:28:11,557 INFO L262 CegarLoopResult]: For program point L228-3(lines 228 245) no Hoare annotation was computed. [2021-10-11 00:28:11,558 INFO L262 CegarLoopResult]: For program point L393-8(lines 393 397) no Hoare annotation was computed. [2021-10-11 00:28:11,558 INFO L262 CegarLoopResult]: For program point L228-4(lines 228 245) no Hoare annotation was computed. [2021-10-11 00:28:11,558 INFO L262 CegarLoopResult]: For program point L228-5(lines 228 245) no Hoare annotation was computed. [2021-10-11 00:28:11,558 INFO L258 CegarLoopResult]: At program point L196(lines 195 214) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and (not (= 0 ~systemActive~0)) .cse2 .cse1 (<= 1 ~waterLevel~0) .cse3))) [2021-10-11 00:28:11,558 INFO L262 CegarLoopResult]: For program point L196-1(lines 196 202) no Hoare annotation was computed. [2021-10-11 00:28:11,558 INFO L258 CegarLoopResult]: At program point L196-2(lines 195 214) the Hoare annotation is: false [2021-10-11 00:28:11,559 INFO L258 CegarLoopResult]: At program point L196-3(lines 195 214) the Hoare annotation is: false [2021-10-11 00:28:11,559 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:28:11,559 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2021-10-11 00:28:11,559 INFO L258 CegarLoopResult]: At program point L430-2(lines 430 444) the Hoare annotation is: false [2021-10-11 00:28:11,559 INFO L262 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2021-10-11 00:28:11,559 INFO L262 CegarLoopResult]: For program point L232-1(lines 232 240) no Hoare annotation was computed. [2021-10-11 00:28:11,559 INFO L262 CegarLoopResult]: For program point L232-2(lines 232 240) no Hoare annotation was computed. [2021-10-11 00:28:11,560 INFO L262 CegarLoopResult]: For program point L232-3(lines 232 240) no Hoare annotation was computed. [2021-10-11 00:28:11,560 INFO L262 CegarLoopResult]: For program point L232-4(lines 232 240) no Hoare annotation was computed. [2021-10-11 00:28:11,560 INFO L258 CegarLoopResult]: At program point L67(lines 1 991) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:28:11,560 INFO L262 CegarLoopResult]: For program point L232-5(lines 232 240) no Hoare annotation was computed. [2021-10-11 00:28:11,560 INFO L262 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-11 00:28:11,560 INFO L262 CegarLoopResult]: For program point L134(lines 134 140) no Hoare annotation was computed. [2021-10-11 00:28:11,560 INFO L258 CegarLoopResult]: At program point L134-1(lines 134 140) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse3 .cse2 .cse4) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) .cse1 .cse2 .cse6 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse4) (and .cse5 .cse1 .cse2 .cse6 .cse3 .cse4))) [2021-10-11 00:28:11,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:28:11 BoogieIcfgContainer [2021-10-11 00:28:11,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:28:11,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:28:11,591 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:28:11,591 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:28:11,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:58" (3/4) ... [2021-10-11 00:28:11,595 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:28:11,619 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:28:11,621 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:28:11,623 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:28:11,624 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:28:11,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:28:11,627 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:28:11,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:28:11,657 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2021-10-11 00:28:11,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && pumpRunning == 0) && tmp == systemActive) && tmp == 1) && \result == 1 [2021-10-11 00:28:11,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && 1 <= \result) && \result == 1) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1)) || ((((((((\result == 0 && 2 <= tmp) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) [2021-10-11 00:28:11,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && 1 <= \result) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) [2021-10-11 00:28:11,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && 1 <= \result) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) [2021-10-11 00:28:11,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && \result == 1)) || ((((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) [2021-10-11 00:28:11,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1)) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-10-11 00:28:11,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1)) || ((((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) [2021-10-11 00:28:11,661 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((waterLevel == 1 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:28:11,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) || (((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && 1 <= \result) [2021-10-11 00:28:11,663 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1 [2021-10-11 00:28:11,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) && \result == 1) [2021-10-11 00:28:11,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && tmp == 0) && !(tmp___0 == 0)) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1 [2021-10-11 00:28:11,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) && \result == 1) || (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) [2021-10-11 00:28:11,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1 [2021-10-11 00:28:11,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1 [2021-10-11 00:28:11,741 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ee436a-f751-4607-9932-1e978c1c6967/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:28:11,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:28:11,742 INFO L168 Benchmark]: Toolchain (without parser) took 15362.12 ms. Allocated memory was 90.2 MB in the beginning and 358.6 MB in the end (delta: 268.4 MB). Free memory was 55.6 MB in the beginning and 301.8 MB in the end (delta: -246.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:11,743 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory was 61.3 MB in the beginning and 61.2 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:11,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.07 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 55.5 MB in the beginning and 74.8 MB in the end (delta: -19.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:11,744 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.57 ms. Allocated memory is still 109.1 MB. Free memory was 74.8 MB in the beginning and 70.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:11,744 INFO L168 Benchmark]: Boogie Preprocessor took 52.16 ms. Allocated memory is still 109.1 MB. Free memory was 70.6 MB in the beginning and 67.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:11,745 INFO L168 Benchmark]: RCFGBuilder took 1092.93 ms. Allocated memory is still 109.1 MB. Free memory was 67.4 MB in the beginning and 61.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:11,745 INFO L168 Benchmark]: TraceAbstraction took 13477.98 ms. Allocated memory was 109.1 MB in the beginning and 358.6 MB in the end (delta: 249.6 MB). Free memory was 60.8 MB in the beginning and 313.3 MB in the end (delta: -252.5 MB). Peak memory consumption was 156.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:11,746 INFO L168 Benchmark]: Witness Printer took 150.68 ms. Allocated memory is still 358.6 MB. Free memory was 313.3 MB in the beginning and 301.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:11,748 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory was 61.3 MB in the beginning and 61.2 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 482.07 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 55.5 MB in the beginning and 74.8 MB in the end (delta: -19.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.57 ms. Allocated memory is still 109.1 MB. Free memory was 74.8 MB in the beginning and 70.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.16 ms. Allocated memory is still 109.1 MB. Free memory was 70.6 MB in the beginning and 67.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1092.93 ms. Allocated memory is still 109.1 MB. Free memory was 67.4 MB in the beginning and 61.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13477.98 ms. Allocated memory was 109.1 MB in the beginning and 358.6 MB in the end (delta: 249.6 MB). Free memory was 60.8 MB in the beginning and 313.3 MB in the end (delta: -252.5 MB). Peak memory consumption was 156.8 MB. Max. memory is 16.1 GB. * Witness Printer took 150.68 ms. Allocated memory is still 358.6 MB. Free memory was 313.3 MB in the beginning and 301.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 622]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 622]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 622]: 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: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && 1 <= \result) && \result == 1) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1)) || ((((((((\result == 0 && 2 <= tmp) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && \result == 1)) || ((((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) && \result == 1) || (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) && \result == 1) - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && tmp == 0) && !(tmp___0 == 0)) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && 1 <= \result) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) || (((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && 1 <= \result) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((waterLevel == 1 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && 1 <= \result) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && pumpRunning == 0) && tmp == systemActive) && tmp == 1) && \result == 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1)) || ((((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1)) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.8s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1786 SDtfs, 2440 SDslu, 2771 SDs, 0 SdLazy, 380 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=376occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 1480 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 225 NumberOfFragments, 746 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1721946 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 56 FomulaSimplificationsInter, 629731 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 602 NumberOfCodeBlocks, 602 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 587 ConstructedInterpolants, 0 QuantifiedInterpolants, 46513 SizeOfPredicates, 3 NumberOfNonLiveVariables, 437 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 148/154 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...